While cropping the image why we write it as rgb_img[200:300,150:300,:]

#1

while cropping the image why we write it as rgb_img[200:300,150:300,:] what does last : in the bracket means

#2

hey @tanujvats0002_111433f919bfdb0c ,
that’s actually a case of slicing , where we say to use all the values of that axis.
means here we are just specifying a area to be selected based on axis 0 and axis 1 , and says take the same values ( all values ) in axis 2.

I hope this helps.