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!7948 Add SSD CPU support in model zoo 

Merge pull request !7948 from zhaoting/ssd
tags/v1.1.0
mindspore-ci-bot Gitee 5 years ago
parent
05643cb20c 19fe6031b2
commit
070886802b
8 changed files with 256 additions and 192 deletions
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  1. +92
    -45
      model_zoo/official/cv/ssd/README.md
  2. +21
    -40
      model_zoo/official/cv/ssd/eval.py
  3. +41
    -0
      model_zoo/official/cv/ssd/export.py
  4. +6
    -6
      model_zoo/official/cv/ssd/src/box_utils.py
  5. +19
    -18
      model_zoo/official/cv/ssd/src/config.py
  6. +44
    -10
      model_zoo/official/cv/ssd/src/dataset.py
  7. +2
    -8
      model_zoo/official/cv/ssd/src/eval_utils.py
  8. +31
    -65
      model_zoo/official/cv/ssd/train.py

+ 92
- 45
model_zoo/official/cv/ssd/README.md View File

@@ -12,6 +12,7 @@
- [Training](#training)
- [Evaluation Process](#evaluation-process)
- [Evaluation](#evaluation)
- [Export MindIR](#export-mindir)
- [Model Description](#model-description)
- [Performance](#performance)
- [Evaluation Performance](#evaluation-performance)
@@ -49,21 +50,23 @@ Dataset used: [COCO2017](<http://images.cocodataset.org/>)
- Download the dataset COCO2017.

- We use COCO2017 as training dataset in this example by default, and you can also use your own datasets.
First, install Cython ,pycocotool and opencv to process data and to get evaluation result.

1. If coco dataset is used. **Select dataset to coco when run script.**
Install Cython and pycocotool, and you can also install mmcv to process data.
```
pip install Cython

```
pip install Cython
pip install pycocotools

pip install pycocotools
pip install opencv-python

```
And change the COCO_ROOT and other settings you need in `config.py`. The directory structure is as follows:
```
1. If coco dataset is used. **Select dataset to coco when run script.**

Change the `coco_root` and other settings you need in `src/config.py`. The directory structure is as follows:
```
.
└─cocodataset
└─coco_dataset
├─annotations
├─instance_train2017.json
└─instance_val2017.json
@@ -72,7 +75,27 @@ Dataset used: [COCO2017](<http://images.cocodataset.org/>)

```

2. If your own dataset is used. **Select dataset to other when run script.**
2. If VOC dataset is used. **Select dataset to voc when run script.**
Change `classes`, `num_classes`, `voc_json` and `voc_root` in `src/config.py`. `voc_json` is the path of json file with coco format for evalution, `voc_root` is the path of VOC dataset, the directory structure is as follows:
```
.
└─voc_dataset
└─train
├─0001.jpg
└─0001.xml
...
├─xxxx.jpg
└─xxxx.xml
└─eval
├─0001.jpg
└─0001.xml
...
├─xxxx.jpg
└─xxxx.xml

```

3. If your own dataset is used. **Select dataset to other when run script.**
Organize the dataset infomation into a TXT file, each row in the file is as follows:

```
@@ -80,7 +103,7 @@ Dataset used: [COCO2017](<http://images.cocodataset.org/>)

```

Each row is an image annotation which split by space, the first column is a relative path of image, the others are box and class infomations of the format [xmin,ymin,xmax,ymax,class]. We read image from an image path joined by the `IMAGE_DIR`(dataset directory) and the relative path in `ANNO_PATH`(the TXT file path), `IMAGE_DIR` and `ANNO_PATH` are setting in `config.py`.
Each row is an image annotation which split by space, the first column is a relative path of image, the others are box and class infomations of the format [xmin,ymin,xmax,ymax,class]. We read image from an image path joined by the `image_dir`(dataset directory) and the relative path in `anno_path`(the TXT file path), `image_dir` and `anno_path` are setting in `src/config.py`.

# [Quick Start](#contents)

@@ -103,7 +126,19 @@ sh run_distribute_train_gpu.sh [DEVICE_NUM] [EPOCH_SIZE] [LR] [DATASET]
sh run_eval_gpu.sh [DATASET] [CHECKPOINT_PATH] [DEVICE_ID]
```

# [Script Description](#contents)
- runing on CPU(support Windows and Ubuntu)

**CPU is usually used for fine-tuning, which needs pre_trained checkpoint.**

```
# training on CPU
python train.py --run_platform=CPU --lr=[LR] --dataset=[DATASET] --epoch_size=[EPOCH_SIZE] --batch_size=[BATCH_SIZE] --pre_trained=[PRETRAINED_CKPT] --filter_weight=True --save_checkpoint_epochs=1

# run eval on GPU
python eval.py --run_platform=CPU --dataset=[DATASET] --checkpoint_path=[PRETRAINED_CKPT]
```

# [Script Description](#contents)

## [Script and Sample Code](#contents)

@@ -111,24 +146,25 @@ sh run_eval_gpu.sh [DATASET] [CHECKPOINT_PATH] [DEVICE_ID]
.
└─ cv
└─ ssd
├─ README.md ## descriptions about SSD
├─ README.md # descriptions about SSD
├─ scripts
├─ run_distribute_train.sh ## shell script for distributed on ascend
├─ run_distribute_train_gpu.sh ## shell script for distributed on gpu
├─ run_eval.sh ## shell script for eval on ascend
└─ run_eval_gpu.sh ## shell script for eval on gpu
├─ run_distribute_train.sh # shell script for distributed on ascend
├─ run_distribute_train_gpu.sh # shell script for distributed on gpu
├─ run_eval.sh # shell script for eval on ascend
└─ run_eval_gpu.sh # shell script for eval on gpu
├─ src
├─ __init__.py ## init file
├─ box_util.py ## bbox utils
├─ coco_eval.py ## coco metrics utils
├─ config.py ## total config
├─ dataset.py ## create dataset and process dataset
├─ init_params.py ## parameters utils
├─ lr_schedule.py ## learning ratio generator
└─ ssd.py ## ssd architecture
├─ eval.py ## eval scripts
├─ train.py ## train scripts
└─ mindspore_hub_conf.py ## mindspore hub interface
├─ __init__.py # init file
├─ box_utils.py # bbox utils
├─ eval_utils.py # metrics utils
├─ config.py # total config
├─ dataset.py # create dataset and process dataset
├─ init_params.py # parameters utils
├─ lr_schedule.py # learning ratio generator
└─ ssd.py # ssd architecture
├─ eval.py # eval scripts
├─ train.py # train scripts
├─ export.py # export mindir script
└─ mindspore_hub_conf.py # mindspore hub interface
```

## [Script Parameters](#contents)
@@ -136,30 +172,33 @@ sh run_eval_gpu.sh [DATASET] [CHECKPOINT_PATH] [DEVICE_ID]
```
Major parameters in train.py and config.py as follows:

"device_num": 1 # Use device nums
"lr": 0.05 # Learning rate init value
"dataset": coco # Dataset name
"epoch_size": 500 # Epoch size
"batch_size": 32 # Batch size of input tensor
"pre_trained": None # Pretrained checkpoint file path
"pre_trained_epoch_size": 0 # Pretrained epoch size
"save_checkpoint_epochs": 10 # The epoch interval between two checkpoints. By default, the checkpoint will be saved per 10 epochs
"loss_scale": 1024 # Loss scale

"class_num": 81 # Dataset class number
"image_shape": [300, 300] # Image height and width used as input to the model
"mindrecord_dir": "/data/MindRecord_COCO" # MindRecord path
"coco_root": "/data/coco2017" # COCO2017 dataset path
"voc_root": "" # VOC original dataset path
"image_dir": "" # Other dataset image path, if coco or voc used, it will be useless
"anno_path": "" # Other dataset annotation path, if coco or voc used, it will be useless
"device_num": 1 # Use device nums
"lr": 0.05 # Learning rate init value
"dataset": coco # Dataset name
"epoch_size": 500 # Epoch size
"batch_size": 32 # Batch size of input tensor
"pre_trained": None # Pretrained checkpoint file path
"pre_trained_epoch_size": 0 # Pretrained epoch size
"save_checkpoint_epochs": 10 # The epoch interval between two checkpoints. By default, the checkpoint will be saved per 10 epochs
"loss_scale": 1024 # Loss scale
"filter_weight": False # Load paramters in head layer or not. If the class numbers of train dataset is different from the class numbers in pre_trained checkpoint, please set True.
"freeze_layer": "none" # Freeze the backbone paramters or not, support none and backbone.

"class_num": 81 # Dataset class number
"image_shape": [300, 300] # Image height and width used as input to the model
"mindrecord_dir": "/data/MindRecord_COCO" # MindRecord path
"coco_root": "/data/coco2017" # COCO2017 dataset path
"voc_root": "/data/voc_dataset" # VOC original dataset path
"voc_json": "annotations/voc_instances_val.json" # is the path of json file with coco format for evalution
"image_dir": "" # Other dataset image path, if coco or voc used, it will be useless
"anno_path": "" # Other dataset annotation path, if coco or voc used, it will be useless

```


## [Training Process](#contents)

To train the model, run `train.py`. If the `mindrecord_dir` is empty, it will generate [mindrecord](https://www.mindspore.cn/tutorial/training/zh-CN/master/advanced_use/convert_dataset.html) files by `coco_root`(coco dataset) or `iamge_dir` and `anno_path`(own dataset). **Note if mindrecord_dir isn't empty, it will use mindrecord_dir instead of raw images.**
To train the model, run `train.py`. If the `mindrecord_dir` is empty, it will generate [mindrecord](https://www.mindspore.cn/tutorial/training/zh-CN/master/advanced_use/convert_dataset.html) files by `coco_root`(coco dataset), `voc_root`(voc dataset) or `image_dir` and `anno_path`(own dataset). **Note if mindrecord_dir isn't empty, it will use mindrecord_dir instead of raw images.**

### Training on Ascend

@@ -292,6 +331,14 @@ Average Recall (AR) @[ IoU=0.50:0.95 | area= large | maxDets=100 ] = 0.686
mAP: 0.2244936111705981
```

## [Export MindIR](#contents)

Change the export mode and export file in `src/config.py`, and run `export.py`.

```
python export.py --run_platform [PLATFORM] --checkpoint_path [CKPT_PATH]
```

# [Model Description](#contents)
## [Performance](#contents)



+ 21
- 40
model_zoo/official/cv/ssd/eval.py View File

@@ -22,14 +22,15 @@ import numpy as np
from mindspore import context, Tensor
from mindspore.train.serialization import load_checkpoint, load_param_into_net
from src.ssd import SSD300, ssd_mobilenet_v2
from src.dataset import create_ssd_dataset, data_to_mindrecord_byte_image, voc_data_to_mindrecord
from src.dataset import create_ssd_dataset, create_mindrecord
from src.config import config
from src.coco_eval import metrics
from src.eval_utils import metrics

def ssd_eval(dataset_path, ckpt_path):
def ssd_eval(dataset_path, ckpt_path, anno_json):
"""SSD evaluation."""
batch_size = 1
ds = create_ssd_dataset(dataset_path, batch_size=batch_size, repeat_num=1, is_training=False)
ds = create_ssd_dataset(dataset_path, batch_size=batch_size, repeat_num=1,
is_training=False, use_multiprocessing=False)
net = SSD300(ssd_mobilenet_v2(), config, is_training=False)
print("Load Checkpoint!")
param_dict = load_checkpoint(ckpt_path)
@@ -61,51 +62,31 @@ def ssd_eval(dataset_path, ckpt_path):
i += batch_size
cost_time = int((time.time() - start) * 1000)
print(f' 100% [{total}/{total}] cost {cost_time} ms')
mAP = metrics(pred_data)
mAP = metrics(pred_data, anno_json)
print("\n========================================\n")
print(f"mAP: {mAP}")


if __name__ == '__main__':
def get_eval_args():
parser = argparse.ArgumentParser(description='SSD evaluation')
parser.add_argument("--device_id", type=int, default=0, help="Device id, default is 0.")
parser.add_argument("--dataset", type=str, default="coco", help="Dataset, default is coco.")
parser.add_argument("--checkpoint_path", type=str, required=True, help="Checkpoint file path.")
parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "GPU"),
help="run platform, only support Ascend and GPU.")
args_opt = parser.parse_args()
parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "GPU", "CPU"),
help="run platform, support Ascend ,GPU and CPU.")
return parser.parse_args()

if __name__ == '__main__':
args_opt = get_eval_args()
if args_opt.dataset == "coco":
json_path = os.path.join(config.coco_root, config.instances_set.format(config.val_data_type))
elif args_opt.dataset == "voc":
json_path = os.path.join(config.voc_root, config.voc_json)
else:
raise ValueError('SSD eval only supprt dataset mode is coco and voc!')

context.set_context(mode=context.GRAPH_MODE, device_target=args_opt.run_platform, device_id=args_opt.device_id)

prefix = "ssd_eval.mindrecord"
mindrecord_dir = config.mindrecord_dir
mindrecord_file = os.path.join(mindrecord_dir, prefix + "0")
if args_opt.dataset == "voc":
config.coco_root = config.voc_root
if not os.path.exists(mindrecord_file):
if not os.path.isdir(mindrecord_dir):
os.makedirs(mindrecord_dir)
if args_opt.dataset == "coco":
if os.path.isdir(config.coco_root):
print("Create Mindrecord.")
data_to_mindrecord_byte_image("coco", False, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("coco_root not exits.")
elif args_opt.dataset == "voc":
if os.path.isdir(config.voc_dir) and os.path.isdir(config.voc_root):
print("Create Mindrecord.")
voc_data_to_mindrecord(mindrecord_dir, False, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("voc_root or voc_dir not exits.")
else:
if os.path.isdir(config.image_dir) and os.path.exists(config.anno_path):
print("Create Mindrecord.")
data_to_mindrecord_byte_image("other", False, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("IMAGE_DIR or ANNO_PATH not exits.")
mindrecord_file = create_mindrecord(args_opt.dataset, "ssd_eval.mindrecord", False)

print("Start Eval!")
ssd_eval(mindrecord_file, args_opt.checkpoint_path)
ssd_eval(mindrecord_file, args_opt.checkpoint_path, json_path)

+ 41
- 0
model_zoo/official/cv/ssd/export.py View File

@@ -0,0 +1,41 @@
# Copyright 2020 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.
# ============================================================================
"""
ssd export mindir.
"""
import argparse
import numpy as np
from mindspore import context, Tensor
from mindspore.train.serialization import load_checkpoint, load_param_into_net, export
from src.ssd import SSD300, ssd_mobilenet_v2
from src.config import config

def get_export_args():
parser = argparse.ArgumentParser(description='SSD export')
parser.add_argument("--checkpoint_path", type=str, required=True, help="Checkpoint file path.")
parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "GPU", "CPU"),
help="run platform, support Ascend, GPU and CPU.")
return parser.parse_args()

if __name__ == '__main__':
args_opt = get_export_args()
context.set_context(mode=context.GRAPH_MODE, device_target=args_opt.run_platform)
net = SSD300(ssd_mobilenet_v2(), config, is_training=False)

param_dict = load_checkpoint(args_opt.checkpoint_path)
load_param_into_net(net, param_dict)
input_shp = [1, 3] + config.img_shape
input_array = Tensor(np.random.uniform(-1.0, 1.0, size=input_shp).astype(np.float32))
export(net, input_array, file_name=config.export_file, file_format=config.export_format)

+ 6
- 6
model_zoo/official/cv/ssd/src/box_utils.py View File

@@ -25,7 +25,7 @@ class GeneratDefaultBoxes():
"""
Generate Default boxes for SSD, follows the order of (W, H, archor_sizes).
`self.default_boxes` has a shape of [archor_sizes, H, W, 4], the last dimension is [y, x, h, w].
`self.default_boxes_ltrb` has a shape as `self.default_boxes`, the last dimension is [y1, x1, y2, x2].
`self.default_boxes_tlbr` has a shape as `self.default_boxes`, the last dimension is [y1, x1, y2, x2].
"""
def __init__(self):
fk = config.img_shape[0] / np.array(config.steps)
@@ -54,17 +54,17 @@ class GeneratDefaultBoxes():
cx, cy = (j + 0.5) / fk[idex], (i + 0.5) / fk[idex]
self.default_boxes.append([cy, cx, h, w])

def to_ltrb(cy, cx, h, w):
def to_tlbr(cy, cx, h, w):
return cy - h / 2, cx - w / 2, cy + h / 2, cx + w / 2

# For IoU calculation
self.default_boxes_ltrb = np.array(tuple(to_ltrb(*i) for i in self.default_boxes), dtype='float32')
self.default_boxes_tlbr = np.array(tuple(to_tlbr(*i) for i in self.default_boxes), dtype='float32')
self.default_boxes = np.array(self.default_boxes, dtype='float32')


default_boxes_ltrb = GeneratDefaultBoxes().default_boxes_ltrb
default_boxes_tlbr = GeneratDefaultBoxes().default_boxes_tlbr
default_boxes = GeneratDefaultBoxes().default_boxes
y1, x1, y2, x2 = np.split(default_boxes_ltrb[:, :4], 4, axis=-1)
y1, x1, y2, x2 = np.split(default_boxes_tlbr[:, :4], 4, axis=-1)
vol_anchors = (x2 - x1) * (y2 - y1)
matching_threshold = config.match_threshold

@@ -115,7 +115,7 @@ def ssd_bboxes_encode(boxes):

index = np.nonzero(t_label)

# Transform to ltrb.
# Transform to tlbr.
bboxes = np.zeros((config.num_ssd_boxes, 4), dtype=np.float32)
bboxes[:, [0, 1]] = (t_boxes[:, [0, 1]] + t_boxes[:, [2, 3]]) / 2
bboxes[:, [2, 3]] = t_boxes[:, [2, 3]] - t_boxes[:, [0, 1]]


+ 19
- 18
model_zoo/official/cv/ssd/src/config.py View File

@@ -27,7 +27,6 @@ config = ed({
"max_boxes": 100,

# learing rate settings
"global_step": 0,
"lr_init": 0.001,
"lr_end_rate": 0.001,
"warmup_epochs": 2,
@@ -55,27 +54,29 @@ config = ed({
"train_data_type": "train2017",
"val_data_type": "val2017",
"instances_set": "annotations/instances_{}.json",
"coco_classes": ('background', 'person', 'bicycle', 'car', 'motorcycle', 'airplane', 'bus',
'train', 'truck', 'boat', 'traffic light', 'fire hydrant',
'stop sign', 'parking meter', 'bench', 'bird', 'cat', 'dog',
'horse', 'sheep', 'cow', 'elephant', 'bear', 'zebra',
'giraffe', 'backpack', 'umbrella', 'handbag', 'tie',
'suitcase', 'frisbee', 'skis', 'snowboard', 'sports ball',
'kite', 'baseball bat', 'baseball glove', 'skateboard',
'surfboard', 'tennis racket', 'bottle', 'wine glass', 'cup',
'fork', 'knife', 'spoon', 'bowl', 'banana', 'apple',
'sandwich', 'orange', 'broccoli', 'carrot', 'hot dog', 'pizza',
'donut', 'cake', 'chair', 'couch', 'potted plant', 'bed',
'dining table', 'toilet', 'tv', 'laptop', 'mouse', 'remote',
'keyboard', 'cell phone', 'microwave', 'oven', 'toaster', 'sink',
'refrigerator', 'book', 'clock', 'vase', 'scissors',
'teddy bear', 'hair drier', 'toothbrush'),
"classes": ('background', 'person', 'bicycle', 'car', 'motorcycle', 'airplane', 'bus',
'train', 'truck', 'boat', 'traffic light', 'fire hydrant',
'stop sign', 'parking meter', 'bench', 'bird', 'cat', 'dog',
'horse', 'sheep', 'cow', 'elephant', 'bear', 'zebra',
'giraffe', 'backpack', 'umbrella', 'handbag', 'tie',
'suitcase', 'frisbee', 'skis', 'snowboard', 'sports ball',
'kite', 'baseball bat', 'baseball glove', 'skateboard',
'surfboard', 'tennis racket', 'bottle', 'wine glass', 'cup',
'fork', 'knife', 'spoon', 'bowl', 'banana', 'apple',
'sandwich', 'orange', 'broccoli', 'carrot', 'hot dog', 'pizza',
'donut', 'cake', 'chair', 'couch', 'potted plant', 'bed',
'dining table', 'toilet', 'tv', 'laptop', 'mouse', 'remote',
'keyboard', 'cell phone', 'microwave', 'oven', 'toaster', 'sink',
'refrigerator', 'book', 'clock', 'vase', 'scissors',
'teddy bear', 'hair drier', 'toothbrush'),
"num_classes": 81,
# The annotation.json position of voc validation dataset.
"voc_root": "",
"voc_json": "annotations/voc_instances_val.json",
# voc original dataset.
"voc_dir": "",
"voc_root": "/data/voc_dataset",
# if coco or voc used, `image_dir` and `anno_path` are useless.
"image_dir": "",
"anno_path": "",
"export_format": "MINDIR",
"export_file": "ssd.mindir"
})

+ 44
- 10
model_zoo/official/cv/ssd/src/dataset.py View File

@@ -159,10 +159,10 @@ def preprocess_fn(img_id, image, box, is_training):

def create_voc_label(is_training):
"""Get image path and annotation from VOC."""
voc_dir = config.voc_dir
cls_map = {name: i for i, name in enumerate(config.coco_classes)}
voc_root = config.voc_root
cls_map = {name: i for i, name in enumerate(config.classes)}
sub_dir = 'train' if is_training else 'eval'
voc_dir = os.path.join(voc_dir, sub_dir)
voc_dir = os.path.join(voc_root, sub_dir)
if not os.path.isdir(voc_dir):
raise ValueError(f'Cannot find {sub_dir} dataset path.')

@@ -173,8 +173,7 @@ def create_voc_label(is_training):
anno_dir = os.path.join(voc_dir, 'Annotations')

if not is_training:
data_dir = config.voc_root
json_file = os.path.join(data_dir, config.instances_set.format(sub_dir))
json_file = os.path.join(config.voc_root, config.voc_json)
file_dir = os.path.split(json_file)[0]
if not os.path.isdir(file_dir):
os.makedirs(file_dir)
@@ -203,7 +202,7 @@ def create_voc_label(is_training):
for obj in root_node.iter('object'):
cls_name = obj.find('name').text
if cls_name not in cls_map:
print(f'Label "{cls_name}" not in "{config.coco_classes}"')
print(f'Label "{cls_name}" not in "{config.classes}"')
continue
bnd_box = obj.find('bndbox')
x_min = int(bnd_box.find('xmin').text) - 1
@@ -258,7 +257,7 @@ def create_coco_label(is_training):
data_type = config.train_data_type

# Classes need to train or test.
train_cls = config.coco_classes
train_cls = config.classes
train_cls_dict = {}
for i, cls in enumerate(train_cls):
train_cls_dict[cls] = i
@@ -390,7 +389,7 @@ def data_to_mindrecord_byte_image(dataset="coco", is_training=True, prefix="ssd.


def create_ssd_dataset(mindrecord_file, batch_size=32, repeat_num=10, device_num=1, rank=0,
is_training=True, num_parallel_workers=4):
is_training=True, num_parallel_workers=4, use_multiprocessing=True):
"""Creatr SSD dataset with MindDataset."""
ds = de.MindDataset(mindrecord_file, columns_list=["img_id", "image", "annotation"], num_shards=device_num,
shard_id=rank, num_parallel_workers=num_parallel_workers, shuffle=is_training)
@@ -409,10 +408,45 @@ def create_ssd_dataset(mindrecord_file, batch_size=32, repeat_num=10, device_num
trans = [normalize_op, change_swap_op]
ds = ds.map(operations=compose_map_func, input_columns=["img_id", "image", "annotation"],
output_columns=output_columns, column_order=output_columns,
python_multiprocessing=is_training,
python_multiprocessing=use_multiprocessing,
num_parallel_workers=num_parallel_workers)
ds = ds.map(operations=trans, input_columns=["image"], python_multiprocessing=is_training,
ds = ds.map(operations=trans, input_columns=["image"], python_multiprocessing=use_multiprocessing,
num_parallel_workers=num_parallel_workers)
ds = ds.batch(batch_size, drop_remainder=True)
ds = ds.repeat(repeat_num)
return ds


def create_mindrecord(dataset="coco", prefix="ssd.mindrecord", is_training=True):
print("Start create dataset!")

# It will generate mindrecord file in config.mindrecord_dir,
# and the file name is ssd.mindrecord0, 1, ... file_num.

mindrecord_dir = config.mindrecord_dir
mindrecord_file = os.path.join(mindrecord_dir, prefix + "0")
if not os.path.exists(mindrecord_file):
if not os.path.isdir(mindrecord_dir):
os.makedirs(mindrecord_dir)
if dataset == "coco":
if os.path.isdir(config.coco_root):
print("Create Mindrecord.")
data_to_mindrecord_byte_image("coco", is_training, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("coco_root not exits.")
elif dataset == "voc":
if os.path.isdir(config.voc_root):
print("Create Mindrecord.")
voc_data_to_mindrecord(mindrecord_dir, is_training, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("voc_root not exits.")
else:
if os.path.isdir(config.image_dir) and os.path.exists(config.anno_path):
print("Create Mindrecord.")
data_to_mindrecord_byte_image("other", is_training, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("image_dir or anno_path not exits.")
return mindrecord_file

model_zoo/official/cv/ssd/src/coco_eval.py → model_zoo/official/cv/ssd/src/eval_utils.py View File

@@ -14,7 +14,6 @@
# ============================================================================
"""Coco metrics utils"""

import os
import json
import numpy as np
from .config import config
@@ -56,22 +55,17 @@ def apply_nms(all_boxes, all_scores, thres, max_boxes):
return keep


def metrics(pred_data):
def metrics(pred_data, anno_json):
"""Calculate mAP of predicted bboxes."""
from pycocotools.coco import COCO
from pycocotools.cocoeval import COCOeval
num_classes = config.num_classes

coco_root = config.coco_root
data_type = config.val_data_type

#Classes need to train or test.
val_cls = config.coco_classes
val_cls = config.classes
val_cls_dict = {}
for i, cls in enumerate(val_cls):
val_cls_dict[i] = cls

anno_json = os.path.join(coco_root, config.instances_set.format(data_type))
coco_gt = COCO(anno_json)
classs_dict = {}
cat_ids = coco_gt.loadCats(coco_gt.getCatIds())

+ 31
- 65
model_zoo/official/cv/ssd/train.py View File

@@ -15,7 +15,6 @@

"""Train SSD and get checkpoint files."""

import os
import argparse
import ast
import mindspore.nn as nn
@@ -28,14 +27,16 @@ from mindspore.train.serialization import load_checkpoint, load_param_into_net
from mindspore.common import set_seed, dtype
from src.ssd import SSD300, SSDWithLossCell, TrainingWrapper, ssd_mobilenet_v2
from src.config import config
from src.dataset import create_ssd_dataset, data_to_mindrecord_byte_image, voc_data_to_mindrecord
from src.dataset import create_ssd_dataset, create_mindrecord
from src.lr_schedule import get_lr
from src.init_params import init_net_param, filter_checkpoint_parameter

set_seed(1)

def main():
def get_args():
parser = argparse.ArgumentParser(description="SSD training")
parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "GPU", "CPU"),
help="run platform, support Ascend, GPU and CPU.")
parser.add_argument("--only_create_dataset", type=ast.literal_eval, default=False,
help="If set it true, only create Mindrecord, default is False.")
parser.add_argument("--distribute", type=ast.literal_eval, default=False,
@@ -52,77 +53,39 @@ def main():
parser.add_argument("--save_checkpoint_epochs", type=int, default=10, help="Save checkpoint epochs, default is 10.")
parser.add_argument("--loss_scale", type=int, default=1024, help="Loss scale, default is 1024.")
parser.add_argument("--filter_weight", type=ast.literal_eval, default=False,
help="Filter weight parameters, default is False.")
parser.add_argument("--run_platform", type=str, default="Ascend", choices=("Ascend", "GPU"),
help="run platform, only support Ascend and GPU.")
help="Filter head weight parameters, default is False.")
parser.add_argument('--freeze_layer', type=str, default="none", choices=["none", "backbone"],
help="freeze the weights of network, support freeze the backbone's weights, "
"default is not freezing.")
args_opt = parser.parse_args()
return args_opt

if args_opt.run_platform == "Ascend":
context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
def main():
args_opt = get_args()
rank = 0
device_num = 1
if args_opt.run_platform == "CPU":
context.set_context(mode=context.GRAPH_MODE, device_target="CPU")
else:
context.set_context(mode=context.GRAPH_MODE, device_target=args_opt.run_platform, device_id=args_opt.device_id)
if args_opt.distribute:
device_num = args_opt.device_num
context.reset_auto_parallel_context()
context.set_auto_parallel_context(parallel_mode=ParallelMode.DATA_PARALLEL, gradients_mean=True,
device_num=device_num)
init()
rank = args_opt.device_id % device_num
else:
rank = 0
device_num = 1
elif args_opt.run_platform == "GPU":
context.set_context(mode=context.GRAPH_MODE, device_target="GPU", device_id=args_opt.device_id)
init()
if args_opt.distribute:
device_num = args_opt.device_num
context.reset_auto_parallel_context()
context.set_auto_parallel_context(parallel_mode=ParallelMode.DATA_PARALLEL, gradients_mean=True,
device_num=device_num)
rank = get_rank()
else:
rank = 0
device_num = 1
else:
raise ValueError("Unsupported platform.")

print("Start create dataset!")

# It will generate mindrecord file in args_opt.mindrecord_dir,
# and the file name is ssd.mindrecord0, 1, ... file_num.

prefix = "ssd.mindrecord"
mindrecord_dir = config.mindrecord_dir
mindrecord_file = os.path.join(mindrecord_dir, prefix + "0")
if not os.path.exists(mindrecord_file):
if not os.path.isdir(mindrecord_dir):
os.makedirs(mindrecord_dir)
if args_opt.dataset == "coco":
if os.path.isdir(config.coco_root):
print("Create Mindrecord.")
data_to_mindrecord_byte_image("coco", True, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("coco_root not exits.")
elif args_opt.dataset == "voc":
if os.path.isdir(config.voc_dir):
print("Create Mindrecord.")
voc_data_to_mindrecord(mindrecord_dir, True, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("voc_dir not exits.")
else:
if os.path.isdir(config.image_dir) and os.path.exists(config.anno_path):
print("Create Mindrecord.")
data_to_mindrecord_byte_image("other", True, prefix)
print("Create Mindrecord Done, at {}".format(mindrecord_dir))
else:
print("image_dir or anno_path not exits.")

mindrecord_file = create_mindrecord(args_opt.dataset, "ssd.mindrecord", True)
if not args_opt.only_create_dataset:
loss_scale = float(args_opt.loss_scale)
if args_opt.run_platform == "CPU":
loss_scale = 1.0

# When create MindDataset, using the fitst mindrecord file, such as ssd.mindrecord0.
dataset = create_ssd_dataset(mindrecord_file, repeat_num=1,
batch_size=args_opt.batch_size, device_num=device_num, rank=rank)
use_multiprocessing = (args_opt.run_platform != "CPU")
dataset = create_ssd_dataset(mindrecord_file, repeat_num=1, batch_size=args_opt.batch_size,
device_num=device_num, rank=rank, use_multiprocessing=use_multiprocessing)

dataset_size = dataset.get_dataset_size()
print("Create dataset done!")
@@ -140,27 +103,30 @@ def main():
ckpoint_cb = ModelCheckpoint(prefix="ssd", directory=save_ckpt_path, config=ckpt_config)

if args_opt.pre_trained:
if args_opt.pre_trained_epoch_size <= 0:
raise KeyError("pre_trained_epoch_size must be greater than 0.")
param_dict = load_checkpoint(args_opt.pre_trained)
if args_opt.filter_weight:
filter_checkpoint_parameter(param_dict)
load_param_into_net(net, param_dict)

lr = Tensor(get_lr(global_step=config.global_step,
if args_opt.freeze_layer == "backbone":
for param in backbone.feature_1.trainable_params():
param.requires_grad = False

lr = Tensor(get_lr(global_step=args_opt.pre_trained_epoch_size * dataset_size,
lr_init=config.lr_init, lr_end=config.lr_end_rate * args_opt.lr, lr_max=args_opt.lr,
warmup_epochs=config.warmup_epochs,
total_epochs=args_opt.epoch_size,
steps_per_epoch=dataset_size))

opt = nn.Momentum(filter(lambda x: x.requires_grad, net.get_parameters()), lr,
config.momentum, config.weight_decay, loss_scale)

net = TrainingWrapper(net, opt, loss_scale)

callback = [TimeMonitor(data_size=dataset_size), LossMonitor(), ckpoint_cb]

model = Model(net)
dataset_sink_mode = False
if args_opt.mode == "sink":
if args_opt.mode == "sink" and args_opt.run_platform != "CPU":
print("In sink mode, one epoch return a loss.")
dataset_sink_mode = True
print("Start train SSD, the first epoch will be slower because of the graph compilation.")


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