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MIT

unet liver

Unet network for liver CT image segmentation

data preparation

structure of project

  --project
  	main.py
  	 --data
   		--train
   		--val

data and trained weight link: https://pan.baidu.com/s/1dgGnsfoSmL1lbOUwyItp6w code: 17yr

all dataset you can access from: https://competitions.codalab.org/competitions/15595

training

python main.py train

testing

load the last saved weight

python main.py test --ckpt=weights_19.pth

数据准备

项目文件分布如下

  --project
  	main.py
  	 --data
   		--train
   		--val

数据和权重可以使用百度云下载 链接:

链接: https://pan.baidu.com/s/1dgGnsfoSmL1lbOUwyItp6w 提取码: 17yr

全部数据集: https://competitions.codalab.org/competitions/15595

模型训练

python main.py train

测试模型训练

加载权重,默认保存最后一个权重

python main.py test --ckpt=weights_19.pth

多类别

修改2个地方即可:unet最后一层的通道数设置为类别数;损失函数使用CrossEntropyLoss

bath_size,img_size,num_classes=2,3,4
#model = Unet(3, num_classes)
criterion = nn.CrossEntropyLoss()
#assume the pred is the output of the model
pred=torch.rand(bath_size,num_classes,img_size,img_size)
target=torch.randint(num_classes,(bath_size,img_size,img_size))
loss=criterion(pred,target)

Demo

liver

MIT License Copyright (c) 2019 PJ-Javis Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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