matlab - imshow() displays a white image for a grey image

Question

I have computed an image with values between 0 and 255. When I use imageview(), the image is correctly displayed, in grey levels, but when I want to save this image or display it with imshow, I have a white image, or sometimes some black pixels here and there:

Whereas with imageview():

Can some one help me?

Answer 1

I think that you should use imshow(uint8(image)); on the image before displaying it.