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import argparse | |
from collections import OrderedDict | |
import torch | |
def convert(src, dst): | |
import sys | |
sys.path.append('yolov6') | |
try: | |
ckpt = torch.load(src, map_location=torch.device('cpu')) | |
except ModuleNotFoundError: | |
raise RuntimeError( | |
'This script must be placed under the meituan/YOLOv6 repo,' | |
' because loading the official pretrained model need' | |
' some python files to build model.') | |
# The saved model is the model before reparameterization | |
model = ckpt['ema' if ckpt.get('ema') else 'model'].float() | |
new_state_dict = OrderedDict() | |
for k, v in model.state_dict().items(): | |
name = k | |
if 'detect' in k: | |
if 'proj' in k: | |
continue | |
name = k.replace('detect', 'bbox_head.head_module') | |
if k.find('anchors') >= 0 or k.find('anchor_grid') >= 0: | |
continue | |
if 'ERBlock_2' in k: | |
name = k.replace('ERBlock_2', 'stage1.0') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'ERBlock_3' in k: | |
name = k.replace('ERBlock_3', 'stage2.0') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'ERBlock_4' in k: | |
name = k.replace('ERBlock_4', 'stage3.0') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'ERBlock_5' in k: | |
name = k.replace('ERBlock_5', 'stage4.0') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
if 'stage4.0.2' in name: | |
name = name.replace('stage4.0.2', 'stage4.1') | |
name = name.replace('cv', 'conv') | |
elif 'reduce_layer0' in k: | |
name = k.replace('reduce_layer0', 'reduce_layers.2') | |
elif 'Rep_p4' in k: | |
name = k.replace('Rep_p4', 'top_down_layers.0.0') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'reduce_layer1' in k: | |
name = k.replace('reduce_layer1', 'top_down_layers.0.1') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'Rep_p3' in k: | |
name = k.replace('Rep_p3', 'top_down_layers.1') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'upsample0' in k: | |
name = k.replace('upsample0.upsample_transpose', | |
'upsample_layers.0') | |
elif 'upsample1' in k: | |
name = k.replace('upsample1.upsample_transpose', | |
'upsample_layers.1') | |
elif 'Rep_n3' in k: | |
name = k.replace('Rep_n3', 'bottom_up_layers.0') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'Rep_n4' in k: | |
name = k.replace('Rep_n4', 'bottom_up_layers.1') | |
if '.cv' in k: | |
name = name.replace('.cv', '.conv') | |
if '.m.' in k: | |
name = name.replace('.m.', '.block.') | |
elif 'downsample2' in k: | |
name = k.replace('downsample2', 'downsample_layers.0') | |
elif 'downsample1' in k: | |
name = k.replace('downsample1', 'downsample_layers.1') | |
new_state_dict[name] = v | |
data = {'state_dict': new_state_dict} | |
torch.save(data, dst) | |
# Note: This script must be placed under the yolov6 repo to run. | |
def main(): | |
parser = argparse.ArgumentParser(description='Convert model keys') | |
parser.add_argument( | |
'--src', default='yolov6s.pt', help='src yolov6 model path') | |
parser.add_argument('--dst', default='mmyolov6.pt', help='save path') | |
args = parser.parse_args() | |
convert(args.src, args.dst) | |
if __name__ == '__main__': | |
main() | |