diff --git a/tools/onnx/onnx2ncnn.cpp b/tools/onnx/onnx2ncnn.cpp
index a1c005267..4a47d7b64 100644
--- a/tools/onnx/onnx2ncnn.cpp
+++ b/tools/onnx/onnx2ncnn.cpp
@@ -478,6 +478,15 @@ int main(int argc, char** argv)
                 fprintf(pp, "%-16s", "Convolution");
             }
         }
+        else if (op == "ConvTranspose")
+        {
+            int group = get_node_attr_i(node, "group", 1);
+            if (group > 1) {
+                fprintf(pp, "%-16s", "DeconvolutionDepthWise");
+            } else {
+                fprintf(pp, "%-16s", "Deconvolution");
+            }
+        }
         else if (op == "Dropout")
         {
             fprintf(pp, "%-16s", "Dropout");
@@ -514,6 +523,10 @@ int main(int argc, char** argv)
         {
             fprintf(pp, "%-16s", "Scale");
         }
+        else if (op == "InstanceNormalization")
+        {
+            fprintf(pp, "%-16s", "InstanceNorm");
+        }
         else if (op == "LeakyRelu")
         {
             fprintf(pp, "%-16s", "ReLU");
@@ -782,6 +795,85 @@ int main(int argc, char** argv)
                 fwrite_tensor_proto_data(B, bp);
             }
         }
+        else if (op == "ConvTranspose")
+        {
+            const onnx::TensorProto& W = weights[node.input(1)];
+
+            int num_filter = W.dims(0);
+            int has_bias = node.input_size() == 3 ? 1 : 0;
+
+            std::string auto_pad = get_node_attr_s(node, "auto_pad");//TODO
+            std::vector<int> kernel_shape = get_node_attr_ai(node, "kernel_shape");
+            std::vector<int> dilations = get_node_attr_ai(node, "dilations");
+            std::vector<int> strides = get_node_attr_ai(node, "strides");
+            std::vector<int> output_padding = get_node_attr_ai(node, "output_padding");//TODO implement adj
+            std::vector<int> output_shape = get_node_attr_ai(node, "output_shape");//TODO
+            std::vector<int> pads = get_node_attr_ai(node, "pads");
+            int group = get_node_attr_i(node, "group", 1);
+
+            fprintf(pp, " 0=%d", num_filter);
+
+            if (kernel_shape.size() == 1) {
+                fprintf(pp, " 1=%d", kernel_shape[0]);
+            } else if (kernel_shape.size() == 2) {
+                fprintf(pp, " 1=%d", kernel_shape[1]);
+                fprintf(pp, " 11=%d", kernel_shape[0]);
+            }
+
+            if (dilations.size() == 1) {
+                fprintf(pp, " 2=%d", dilations[0]);
+            } else if (dilations.size() == 2) {
+                fprintf(pp, " 2=%d", dilations[1]);
+                fprintf(pp, " 12=%d", dilations[0]);
+            }
+
+            if (strides.size() == 1) {
+                fprintf(pp, " 3=%d", strides[0]);
+            } else if (strides.size() == 2) {
+                fprintf(pp, " 3=%d", strides[1]);
+                fprintf(pp, " 13=%d", strides[0]);
+            }
+
+            if (auto_pad == "SAME_LOWER" || auto_pad == "SAME_UPPER")
+            {
+                // TODO
+                fprintf(pp, " 4=-233");
+            }
+            else
+            {
+
+            if (pads.size() == 1) {
+                fprintf(pp, " 4=%d", pads[0]);
+            } else if (pads.size() == 2) {
+                fprintf(pp, " 4=%d", pads[1]);
+                fprintf(pp, " 14=%d", pads[0]);
+            } else if (pads.size() == 4) {
+                fprintf(pp, " 4=%d", pads[1]);
+                fprintf(pp, " 14=%d", pads[0]);
+                // TODO hpad2=pads[2]   wpad2=pads[3]
+            }
+
+            }
+
+            fprintf(pp, " 5=%d", has_bias);
+
+            fprintf(pp, " 6=%d", get_tensor_proto_data_size(W));
+
+            if (group > 1) {
+                fprintf(pp, " 7=%d", group);
+            }
+
+            int quantize_tag = 0;
+            fwrite(&quantize_tag, sizeof(int), 1, bp);
+
+            fwrite_tensor_proto_data(W, bp);
+
+            if (has_bias)
+            {
+                const onnx::TensorProto& B = weights[node.input(2)];
+                fwrite_tensor_proto_data(B, bp);
+            }
+        }
         else if (op == "Dropout")
         {
             // no-op
@@ -846,6 +938,18 @@ int main(int argc, char** argv)
             }
             fwrite(&bias[0], sizeof(float), channels, bp);
         }
+        else if (op == "InstanceNormalization")
+        {
+            float eps = get_node_attr_f(node, "epsilon", 1e-5f);
+            std::vector<float> scale = get_node_attr_af(node, "scale");
+            std::vector<float> bias = get_node_attr_af(node, "B");
+
+            fprintf(pp, " 0=%d", (int)scale.size());
+            fprintf(pp, " 1=%f", eps);
+
+            fwrite(scale.data(), sizeof(float), scale.size(), bp);
+            fwrite(bias.data(), sizeof(float), bias.size(), bp);
+        }
         else if (op == "LeakyRelu")
         {
             float alpha = get_node_attr_f(node, "alpha", 0.01f);