How can I use imshow to display multiple images in multiple windows?

Question

I would like to do something like the following in order to display two images on the screen:

imshow("1", img1);
imshow(\'2\', \'img2\');
         


        

Answer 1

I ran into the problem of having to create an arbitrary number of openCV windows. I had them stored in a list and couldn't simply loop over it to display them:

# images is a list of openCV image object

for img in images:
    cv2.imshow('image',i)

This doesn't work for the trivial reason of images requiring a different label, hence this loop would only display the last item in the list.

That can be solved by using an iterator and python string formatters:

for i, img in enumerator(images):
    cv2.imshow("Image number {}".format(i), img)

Therefore now all images will be displayed since they have been assigned a different label.