predicted mask is whole black

[mxy519]

There is no problem in training and testing process ,but for each image, the ac is 100, miou is 50, and the predicted mask is whole black, what shoud i do?

[Tramac]

Hello, you can check if the label is right.

[mxy519]

The label is right. There are two classes(background and iris) in my dataset, and the input images are one channel ,also,the gt label is one channel. I do not know where is wrong

[Tramac]

Maybe you need to check the pixel value of the predicted mask.

[mxy519]

Thanks, I will do it. There is another problem,for each image, the ac is 100, miou is 50, is it normal?

[Tramac]

Probably not.