add tf parser

mindspore/lite/schema/model.fbs

@@ -267,6 +267,8 @@ union PrimitiveType {
     GeLU,
     Gru,
     NonZero,
+    InvertPermutation,
+    Size,
 }
 
 enum QuantType: int {

mindspore/lite/schema/ops.fbs

@@ -1240,3 +1240,9 @@ table GeLU {
 
 table NonZero {
 }
+
+table InvertPermutation {
+}
+
+table Size {
+}

mindspore/lite/src/ops/invert_permutation.cc

@@ -0,0 +1,58 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "src/ops/invert_permutation.h"
+#include "src/common/common.h"
+
+#ifndef PRIMITIVE_WRITEABLE
+#include "src/ops/ops_register.h"
+#endif
+
+namespace mindspore {
+namespace lite {
+
+#ifdef PRIMITIVE_WRITEABLE
+#else
+int InvertPermutation::UnPackToFlatBuilder(const schema::Primitive *primitive, flatbuffers::FlatBufferBuilder *fbb) {
+  MS_ASSERT(nullptr != primitive);
+  MS_ASSERT(nullptr != fbb);
+  auto val_offset = schema::CreateSize(*fbb);
+  auto prim_offset = schema::CreatePrimitive(*fbb, schema::PrimitiveType_InvertPermutation, val_offset.o);
+  fbb->Finish(prim_offset);
+  return RET_OK;
+}
+PrimitiveC *InvertPermutationCreator(const schema::Primitive *primitive) {
+  return PrimitiveC::NewPrimitiveC<InvertPermutation>(primitive);
+}
+Registry InvertPermutationRegistry(schema::PrimitiveType_InvertPermutation, InvertPermutationCreator);
+#endif
+
+int InvertPermutation::InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) {
+  MS_ASSERT(this->primitive_ != nullptr);
+  auto input = inputs_.front();
+  MS_ASSERT(input != nullptr);
+  auto output = outputs_.front();
+  MS_ASSERT(output != nullptr);
+  output->set_format(input->format());
+  output->set_data_type(input->data_type());
+  if (!infer_flag()) {
+    return RET_INFER_INVALID;
+  }
+  output->set_shape(input->shape());
+  return RET_OK;
+}
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/src/ops/invert_permutation.h

@@ -0,0 +1,43 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LITE_MINDSPORE_LITE_C_OPS_INVERTPERMUTATION_H_
+#define LITE_MINDSPORE_LITE_C_OPS_INVERTPERMUTATION_H_
+
+#include <vector>
+#include <set>
+#include <cmath>
+
+#include "src/ops/primitive_c.h"
+
+namespace mindspore {
+namespace lite {
+class InvertPermutation : public PrimitiveC {
+ public:
+  InvertPermutation() = default;
+  ~InvertPermutation() = default;
+#ifdef PRIMITIVE_WRITEABLE
+  MS_DECLARE_PARENT(InvertPermutation, PrimitiveC);
+  explicit InvertPermutation(schema::PrimitiveT *primitive) : PrimitiveC(primitive) {}
+#else
+  int UnPackToFlatBuilder(const schema::Primitive *primitive, flatbuffers::FlatBufferBuilder *fbb) override;
+#endif
+  int InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // LITE_MINDSPORE_LITE_C_OPS_INVERTPERMUTATION_H_

mindspore/lite/src/ops/primitive_c.cc

@@ -164,6 +164,8 @@
 #include "src/ops/select.h"
 #include "src/ops/gelu.h"
 #include "src/ops/gru.h"
+#include "src/ops/size.h"
+#include "src/ops/invert_permutation.h"
 
 #ifdef SUPPORT_TRAIN
 #include "src/ops/neg_grad.h"
@@ -1004,6 +1006,10 @@ PrimitiveC *PrimitiveC::Create(mindspore::schema::PrimitiveT *primitive) {
       return new (std::nothrow) Select(primitive);
     case schema::PrimitiveType_Gru:
       return new (std::nothrow) Gru(primitive);
+    case schema::PrimitiveType_Size:
+      return new (std::nothrow) Size(primitive);
+    case schema::PrimitiveType_InvertPermutation:
+      return new (std::nothrow) InvertPermutation(primitive);
 #ifdef SUPPORT_TRAIN
     case schema::PrimitiveType_ActivationGrad:
       return new (std::nothrow) ActivationGrad(primitive);

mindspore/lite/src/ops/size.cc

@@ -0,0 +1,64 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "src/ops/size.h"
+#include "src/common/common.h"
+
+#ifndef PRIMITIVE_WRITEABLE
+#include "src/ops/ops_register.h"
+#endif
+
+namespace mindspore {
+namespace lite {
+constexpr int kShapeInputNum = 1;
+constexpr int kShapeOutputNum = 1;
+#ifdef PRIMITIVE_WRITEABLE
+#else
+int Size::UnPackToFlatBuilder(const schema::Primitive *primitive, flatbuffers::FlatBufferBuilder *fbb) {
+  MS_ASSERT(nullptr != primitive);
+  MS_ASSERT(nullptr != fbb);
+  auto val_offset = schema::CreateSize(*fbb);
+  auto prim_offset = schema::CreatePrimitive(*fbb, schema::PrimitiveType_Size, val_offset.o);
+  fbb->Finish(prim_offset);
+  return RET_OK;
+}
+PrimitiveC *SizeCreator(const schema::Primitive *primitive) { return PrimitiveC::NewPrimitiveC<Size>(primitive); }
+Registry SizeRegistry(schema::PrimitiveType_Size, SizeCreator);
+#endif
+
+int Size::InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) {
+  if (inputs_.size() != kShapeInputNum) {
+    MS_LOG(ERROR) << "inputs to Shape operator should be 1, but " << inputs_.size() << " is given.";
+    return RET_ERROR;
+  }
+  if (outputs_.size() != kShapeOutputNum) {
+    MS_LOG(ERROR) << "outputs to Shape operator should be 1, but " << outputs_.size() << " is given.";
+    return RET_ERROR;
+  }
+  auto in_tensor = inputs_.front();
+  auto out_tensor = outputs_.front();
+  out_tensor->set_data_type(kNumberTypeInt32);
+  out_tensor->set_format(in_tensor->format());
+  if (!infer_flag()) {
+    return RET_INFER_INVALID;
+  }
+  std::vector<int> out_shape;
+  out_shape.push_back(static_cast<int>(in_tensor->shape().size()));
+  out_tensor->set_shape(out_shape);
+  return RET_OK;
+}
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/src/ops/size.h

@@ -0,0 +1,43 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LITE_MINDSPORE_LITE_C_OPS_SIZE_H_
+#define LITE_MINDSPORE_LITE_C_OPS_SIZE_H_
+
+#include <vector>
+#include <set>
+#include <cmath>
+
+#include "src/ops/primitive_c.h"
+
+namespace mindspore {
+namespace lite {
+class Size : public PrimitiveC {
+ public:
+  Size() = default;
+  ~Size() = default;
+#ifdef PRIMITIVE_WRITEABLE
+  MS_DECLARE_PARENT(Size, PrimitiveC);
+  explicit Size(schema::PrimitiveT *primitive) : PrimitiveC(primitive) {}
+#else
+  int UnPackToFlatBuilder(const schema::Primitive *primitive, flatbuffers::FlatBufferBuilder *fbb) override;
+#endif
+  int InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // LITE_MINDSPORE_LITE_C_OPS_SIZE_H_

mindspore/lite/tools/converter/parser/tf/tf_arithmetic_self_parser.cc

@@ -0,0 +1,88 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_arithmetic_self_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+
+template <typename T>
+int CreateOperator(const std::unique_ptr<schema::PrimitiveT> &primitive, schema::PrimitiveType type) {
+  auto attr = std::make_unique<T>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+  primitive->value.type = type;
+  primitive->value.value = attr.release();
+  return RET_OK;
+}
+
+STATUS TFArithmeticSelfParser::Parse(const tensorflow::NodeDef &tf_op,
+                                     const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+                                     PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF ArithmeticParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+
+  int status = RET_ERROR;
+  if (tf_op.op() == "Ceil") {
+    status = CreateOperator<schema::CeilT>(primitive, schema::PrimitiveType_Ceil);
+  } else if (tf_op.op() == "Exp") {
+    status = CreateOperator<schema::ExpT>(primitive, schema::PrimitiveType_Exp);
+  } else if (tf_op.op() == "Floor") {
+    status = CreateOperator<schema::FloorT>(primitive, schema::PrimitiveType_Floor);
+  } else if (tf_op.op() == "Log") {
+    status = CreateOperator<schema::LogT>(primitive, schema::PrimitiveType_Log);
+  } else if (tf_op.op() == "Sqrt") {
+    status = CreateOperator<schema::SqrtT>(primitive, schema::PrimitiveType_Sqrt);
+  }
+  if (status != RET_OK) {
+    return status;
+  }
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfCeilParser("Ceil", new TFArithmeticSelfParser());
+TFNodeRegistrar g_tfExpParser("Exp", new TFArithmeticSelfParser());
+TFNodeRegistrar g_tfFloorParser("Floor", new TFArithmeticSelfParser());
+TFNodeRegistrar g_tfLogParser("Log", new TFArithmeticSelfParser());
+TFNodeRegistrar g_tfSqrtParser("Sqrt", new TFArithmeticSelfParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_arithmetic_self_parser.h

@@ -0,0 +1,36 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_ARITHMETIC_SELF_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_ARITHMETIC_SELF_PARSER_H_
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFArithmeticSelfParser : public TFNodeParser {
+ public:
+  TFArithmeticSelfParser() = default;
+  ~TFArithmeticSelfParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_ARITHMETIC_SELF_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_conv_parser.cc

@@ -45,10 +45,6 @@ STATUS TFConvParser::Parse(const tensorflow::NodeDef &tf_op,
 
   attr->group = 1;
   attr->format = TensorFlowUtils::ParseNodeFormat(tf_op);
-  if (attr->format == schema::Format_NCHW) {
-    MS_LOG(ERROR) << "TF Conv2D with data_format=NCHW is not supported now";
-    return RET_ERROR;
-  }
 
   std::vector<int64_t> dilations(2);
   auto status = ParseDilations(tf_op, attr->format, &dilations);

mindspore/lite/tools/converter/parser/tf/tf_crop_and_resize_parser.cc

@@ -0,0 +1,107 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_crop_and_resize_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFCropAndResizeParser::Parse(const tensorflow::NodeDef &tf_op,
+                                    const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+                                    PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF ResizeParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::ResizeT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+  tensorflow::AttrValue attr_value;
+  attr->format = schema::Format_NHWC;
+
+  attr->coordinateTransformMode = schema::CoordinateTransformMode_CROP_AND_RESIZE;
+
+  // align_corners
+  if (TensorFlowUtils::FindAttrValue(tf_op, "align_corners", &attr_value)) {
+    attr->alignCorners = true;
+  }
+
+  // extrapolation_value
+  if (!TensorFlowUtils::FindAttrValue(tf_op, "extrapolation_value", &attr_value)) {
+    MS_LOG(ERROR) << "The align_corners attr should be specified";
+    return RET_ERROR;
+  }
+  attr->extrapolationValue = attr_value.f();
+
+  // method
+  if (!TensorFlowUtils::FindAttrValue(tf_op, "method", &attr_value)) {
+    MS_LOG(ERROR) << "The align_corners attr should be specified";
+    return RET_ERROR;
+  }
+  if (attr_value.s() == "bilinear") {
+    attr->method = schema::ResizeMethod_LINEAR;
+  } else if (attr_value.s() == "nearest_neighbor") {
+    attr->method = schema::ResizeMethod_NEAREST;
+  } else {
+    MS_LOG(ERROR) << "Do not support method: " << attr_value.s();
+  }
+
+  primitive->value.type = schema::PrimitiveType_Resize;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 1, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 2, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 3, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfCropAndResizeParser("CropAndResize", new TFCropAndResizeParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_crop_and_resize_parser.h

@@ -0,0 +1,36 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_CROP_AND_RESIZE_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_CROP_AND_RESIZE_PARSER_H_
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFCropAndResizeParser : public TFNodeParser {
+ public:
+  TFCropAndResizeParser() = default;
+  ~TFCropAndResizeParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_CROP_AND_RESIZE_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_gather_nd_parser.cc

@@ -0,0 +1,68 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_gather_nd_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFGatherNDParser::Parse(const tensorflow::NodeDef &tf_op,
+                               const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+                               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF GatherNDParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::GatherT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+
+  primitive->value.type = schema::PrimitiveType_GatherNd;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 1, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfGatherNDParser("GatherNd", new TFGatherNDParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_gather_nd_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_GATHER_ND_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_GATHER_ND_PARSER_H_
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFGatherNDParser : public TFNodeParser {
+ public:
+  TFGatherNDParser() = default;
+  ~TFGatherNDParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_GATHER_ND_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_invert_permutation_parser.cc

@@ -0,0 +1,63 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_invert_permutation_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFInvertPermutationParser::Parse(const tensorflow::NodeDef &tf_op,
+                                        const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+                                        PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF SizeParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::SizeT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+
+  primitive->value.type = schema::PrimitiveType_InvertPermutation;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfInvertPermutationParser("InvertPermutation", new TFInvertPermutationParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_invert_permutation_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_INVERT_PERMUTATION_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_INVERT_PERMUTATION_PARSER_H_
+
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFInvertPermutationParser : public TFNodeParser {
+ public:
+  TFInvertPermutationParser() = default;
+  ~TFInvertPermutationParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_INVERT_PERMUTATION_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_model_parser.cc

@@ -175,8 +175,9 @@ STATUS TFModelParser::ConvertConstVariant(const tensorflow::TensorProto &tensor_
   return RET_OK;
 }
 
-STATUS TFModelParser::ConvertConstTensor(const tensorflow::AttrValue &attr_value, const TypeId &type,
-                                         const ParameterPtr &parameter, std::vector<int64_t> *shape_vector) {
+STATUS TFModelParser::ConvertConstTensor(const tensorflow::NodeDef &node_def, const tensorflow::AttrValue &attr_value,
+                                         const TypeId &type, const ParameterPtr &parameter,
+                                         std::vector<int64_t> *shape_vector) {
   MS_ASSERT(parameter != nullptr);
   MS_ASSERT(shape_vector != nullptr);
   const tensorflow::TensorProto &tensor_proto = attr_value.tensor();
@@ -258,6 +259,23 @@ STATUS TFModelParser::ConvertConstTensor(const tensorflow::AttrValue &attr_value
     }
     tensor_size = (*tensor_data).size();
     param_value->SetTensorData(tensor_data, tensor_size);
+  } else if (type == kNumberTypeInt64) {
+    param_value->set_tensor_type(kNumberTypeInt32);
+    auto *tensor_data = new (std::nothrow) int[shape_size];
+    if (tensor_data == nullptr) {
+      MS_LOG(ERROR) << "new data failed";
+      return RET_ERROR;
+    }
+    const auto origin_data = reinterpret_cast<const int64_t *>(tensor_proto.tensor_content().data());
+    for (int i = 0; i < shape_size; ++i) {
+      if (origin_data[i] > static_cast<int64_t>(INT32_MAX) || origin_data[i] < static_cast<int64_t>(INT32_MIN)) {
+        MS_LOG(WARNING) << "int64 data " << origin_data[i] << "too big to fit into int32";
+        tensor_data[i] = origin_data[i] > 0 ? INT32_MAX : INT32_MIN;
+      } else {
+        tensor_data[i] = static_cast<int>(origin_data[i]);
+      }
+    }
+    param_value->SetTensorData(tensor_data, shape_size * sizeof(int32_t));
   } else {
     MS_LOG(ERROR) << "Unsupport dataType: " << type;
     return RET_ERROR;
@@ -266,7 +284,15 @@ STATUS TFModelParser::ConvertConstTensor(const tensorflow::AttrValue &attr_value
   std::vector<int> param_shape(shape_vector->begin(), shape_vector->end());
   param_value->set_tensor_shape(param_shape);
   param_value->set_tensor_type(type);
-  param_value->set_format(schema::Format::Format_NHWC);
+  if (TensorFlowUtils::FindAttrValue(node_def, "data_format", const_cast<tensorflow::AttrValue *>(&attr_value))) {
+    auto format = mindspore::lite::TensorFlowUtils::ParseNodeFormat(node_def);
+    if (format == schema::Format_NUM_OF_FORMAT) {
+      MS_LOG(ERROR) << "Do not support data format: " << attr_value.s();
+    }
+    param_value->set_format(format);
+  } else {
+    param_value->set_format(schema::Format::Format_NHWC);
+  }
   parameter->set_default_param(param_value);
   return RET_OK;
 }
@@ -294,7 +320,7 @@ STATUS TFModelParser::ConvertParameter(const tensorflow::NodeDef &node, const Pa
 
   if (TensorFlowUtils::FindAttrValue(node, "value", &attr_value)) {
     MS_LOG(INFO) << "Found value attr, means it has default value";
-    auto status = ConvertConstTensor(attr_value, type, parameter, &shape_vector);
+    auto status = ConvertConstTensor(node, attr_value, type, parameter, &shape_vector);
     if (status != RET_OK) {
       return status;
     }

mindspore/lite/tools/converter/parser/tf/tf_model_parser.h

@@ -45,8 +45,8 @@ class TFModelParser : public ModelParser {
 
  private:
   STATUS ConvertConstVariant(const tensorflow::TensorProto &tensor_proto, const ParamValueLitePtr &param_value);
-  STATUS ConvertConstTensor(const tensorflow::AttrValue &attr_value, const TypeId &type, const ParameterPtr &parameter,
-                            std::vector<int64_t> *shape_vector);
+  STATUS ConvertConstTensor(const tensorflow::NodeDef &node_def, const tensorflow::AttrValue &attr_value,
+                            const TypeId &type, const ParameterPtr &parameter, std::vector<int64_t> *shape_vector);
   STATUS ConvertParameter(const tensorflow::NodeDef &node, const ParameterPtr &parameter,
                           std::unordered_map<std::string, AnfNodePtr> *anf_node_map);
   STATUS ConvertGraphInputsAndConsts(const std::map<std::string, const tensorflow::NodeDef *> &tf_graph_nodes,

mindspore/lite/tools/converter/parser/tf/tf_non_max_suppression_parser.cc

@@ -0,0 +1,83 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_non_max_suppression_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFNonMaxSuppressionParser::Parse(const tensorflow::NodeDef &tf_op,
+                                        const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+                                        PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF NonMaxSuppressionParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::NonMaxSuppressionT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+  attr->centerPointBox = 0;
+  primitive->value.type = schema::PrimitiveType_NonMaxSuppression;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 1, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 2, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 3, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 4, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfNonMaxSuppressionV3Parser("NonMaxSuppressionV3", new TFNonMaxSuppressionParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_non_max_suppression_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_NON_MAX_SUPPRESSION_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_NON_MAX_SUPPRESSION_PARSER_H_
+
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFNonMaxSuppressionParser : public TFNodeParser {
+ public:
+  TFNonMaxSuppressionParser() = default;
+  ~TFNonMaxSuppressionParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_NON_MAX_SUPPRESSION_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_pad_parser.cc

@@ -0,0 +1,89 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_pad_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFPadParser::Parse(const tensorflow::NodeDef &tf_op,
+                          const std::map<string, const tensorflow::NodeDef *> &tf_node_map, PrimitiveC **primitiveC,
+                          std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF PadParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::PadT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+  if (tf_op.op() == "Pad") {
+    attr->paddingMode = schema::PaddingMode_CONSTANT;
+    attr->constantValue = 0.0f;
+
+  } else if (tf_op.op() == "MirrorPad") {
+    tensorflow::AttrValue attr_value;
+    if (!TensorFlowUtils::FindAttrValue(tf_op, "mode", &attr_value)) {
+      MS_LOG(ERROR) << "The axis attr should be specified";
+      return RET_ERROR;
+    }
+
+    if (attr_value.s() == "SYMMETRIC") {
+      attr->paddingMode = schema::PaddingMode_SYMMETRIC;
+    } else if (attr_value.s() == "REFLECT") {
+      attr->paddingMode = schema::PaddingMode_REFLECT;
+    } else {
+      MS_LOG(ERROR) << "padding mode:" << attr_value.s() << " don't support";
+      return RET_ERROR;
+    }
+  }
+  primitive->value.type = schema::PrimitiveType_Pad;
+  primitive->value.value = attr.release();
+
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 1, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfPadParser("Pad", new TFPadParser());
+TFNodeRegistrar g_tfMirrorPadParser("MirrorPad", new TFPadParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_pad_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_PAD_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_PAD_PARSER_H_
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFPadParser : public TFNodeParser {
+ public:
+  TFPadParser() = default;
+  ~TFPadParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_PAD_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_reverse_parser.cc

@@ -0,0 +1,86 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_reverse_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFReverseParser::Parse(const tensorflow::NodeDef &tf_op,
+                              const std::map<string, const tensorflow::NodeDef *> &tf_node_map, PrimitiveC **primitiveC,
+                              std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF ReverseParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::ReverseT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+
+  tensorflow::AttrValue attr_value;
+  auto axis = GetConstInputNode(tf_node_map, tf_op.input(1));
+  if (axis == nullptr) {
+    MS_LOG(ERROR) << "Find axis failed";
+    return RET_ERROR;
+  }
+  if (!TensorFlowUtils::FindAttrValue(*axis, "value", &attr_value)) {
+    MS_LOG(ERROR) << "The value attr should be specified";
+    return RET_ERROR;
+  }
+  auto tensor_proto = attr_value.tensor();
+  if (tensor_proto.int_val_size() > 0) {
+    for (int i = 0; i < tensor_proto.int_val_size(); ++i) {
+      attr->axis.push_back(tensor_proto.int_val(i));
+    }
+  } else {
+    auto data_num = tensor_proto.tensor_content().size() / sizeof(int32_t);
+    auto data = reinterpret_cast<const int32_t *>(tensor_proto.tensor_content().data());
+    for (size_t i = 0; i < data_num; ++i) {
+      attr->axis.push_back(data[i]);
+    }
+  }
+
+  primitive->value.type = schema::PrimitiveType_Reverse;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfReverseV2Parser("ReverseV2", new TFReverseParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_reverse_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_REVERSE_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_REVERSE_PARSER_H_
+
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFReverseParser : public TFNodeParser {
+ public:
+  TFReverseParser() = default;
+  ~TFReverseParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_REVERSE_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_size_parser.cc

@@ -0,0 +1,63 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_size_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFSizeParser::Parse(const tensorflow::NodeDef &tf_op,
+                           const std::map<string, const tensorflow::NodeDef *> &tf_node_map, PrimitiveC **primitiveC,
+                           std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF SizeParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::SizeT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+
+  primitive->value.type = schema::PrimitiveType_Size;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfSizeParser("Size", new TFSizeParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_size_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_SIZE_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_SIZE_PARSER_H_
+
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFSizeParser : public TFNodeParser {
+ public:
+  TFSizeParser() = default;
+  ~TFSizeParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_SIZE_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_slice_parser.cc

@@ -0,0 +1,105 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_slice_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFSliceParser::Parse(const tensorflow::NodeDef &tf_op,
+                            const std::map<string, const tensorflow::NodeDef *> &tf_node_map, PrimitiveC **primitiveC,
+                            std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF SliceParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::SliceT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+
+  // begin
+  tensorflow::AttrValue attr_value;
+  auto begin_node = GetConstInputNode(tf_node_map, tf_op.input(1));
+  if (begin_node == nullptr) {
+    MS_LOG(ERROR) << "Find StridedSlice input begin failed";
+    return RET_ERROR;
+  }
+  if (!TensorFlowUtils::FindAttrValue(*begin_node, "value", &attr_value)) {
+    MS_LOG(ERROR) << "The value attr should be specified";
+    return RET_ERROR;
+  }
+  auto tensor_proto = attr_value.tensor();
+  if (tensor_proto.int_val_size() > 0) {
+    for (int i = 0; i < tensor_proto.int_val_size(); ++i) {
+      attr->begin.push_back(tensor_proto.int_val(i));
+    }
+  } else {
+    auto data_num = tensor_proto.tensor_content().size() / sizeof(int32_t);
+    auto data = reinterpret_cast<const int32_t *>(tensor_proto.tensor_content().data());
+    for (size_t i = 0; i < data_num; ++i) {
+      attr->begin.push_back(data[i]);
+    }
+  }
+
+  // axes
+  std::vector<int> axes;
+  axes.clear();
+  for (size_t i = 0; i < attr->begin.size(); ++i) {
+    axes.push_back(i);
+  }
+  attr->axes = axes;
+
+  primitive->value.type = schema::PrimitiveType_Slice;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 1, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 2, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfSliceParser("Slice", new TFSliceParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_slice_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_SLICE_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_SLICE_PARSER_H_
+
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFSliceParser : public TFNodeParser {
+ public:
+  TFSliceParser() = default;
+  ~TFSliceParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_SLICE_PARSER_H_

mindspore/lite/tools/converter/parser/tf/tf_topk_parser.cc

@@ -0,0 +1,76 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tools/converter/parser/tf/tf_topk_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFTopKParser::Parse(const tensorflow::NodeDef &tf_op,
+                           const std::map<string, const tensorflow::NodeDef *> &tf_node_map, PrimitiveC **primitiveC,
+                           std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(INFO) << "TF TopKParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::TopKT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+
+  // sorted
+  tensorflow::AttrValue attr_value;
+  if (!TensorFlowUtils::FindAttrValue(tf_op, "sorted", &attr_value)) {
+    MS_LOG(ERROR) << "The begin_mask attr should be specified";
+    return RET_ERROR;
+  }
+  attr->sorted = attr_value.i();
+
+  primitive->value.type = schema::PrimitiveType_TopK;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 2;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  status = AddOpInput(tf_op, 1, inputs);
+  if (status != RET_OK) {
+    MS_LOG(ERROR) << "Add Op input failed.";
+    return status;
+  }
+  return status;
+}
+TFNodeRegistrar g_tfTopKV2Parser("TopKV2", new TFTopKParser());
+}  // namespace lite
+}  // namespace mindspore

mindspore/lite/tools/converter/parser/tf/tf_topk_parser.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright 2021 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_TOPK_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_TOPK_PARSER_H_
+
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFTopKParser : public TFNodeParser {
+ public:
+  TFTopKParser() = default;
+  ~TFTopKParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_TOPK_PARSER_H_