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company_liver_kidney_seg's Introduction

一共有93例MR数据,对应的标准有273例,其中有极少的数据缺少某一个或者某两个器官 其中有一例数据读取有问题

数据有一点好处就是spacing基本都是一样,差别非常小,这样也就不需要进行归一化了 并且这批数据本身就是扫的肝脏部位的,所以也不必截取仅包含器官的slice 数据的在三个维度上的长度不都是完全一样的,所以直接指定的缩放尺寸就行了 但是大概是围绕(88, 410, 512)的,尤其是第一和第三维度,大部分数据都是一样的 有某些数据数据存在读取错误,直接删除就好了,记得要把金标准和MR一起删除,这样的错误数据目前只发现了一个

目前感觉MR的灰度范围应该是从0开始的正数

数据预处理使用说明:

  1. 首先将存放原始数据的文件夹拷贝到桌面(ubuntu),并将文件夹重命名为raw_data
  2. 然后运行get_data.py,会得到一个data文件夹
  3. 然后是read_data,运行完毕之后查看输出中存在error的数据,将其从data文件夹中删除
  4. 然后运行name_norm...
  5. 然后是get_val...
  6. 最后是get_train...

result.xlsx 是使用Dice_loss训练的结果,对应的网络模型是net870-0.083-0.222.pth

因为使用Dice_loss训练的结果就已经还可以了,所以并没有进一步去尝试使用其他的损失函数

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