This week was image operation with OpenCV.
I always use crop tool inside photoshop or the foundry nuke, but I never thought how it was working now finally understand match behind crop tool.
learning hardcore stuff with basic fundamentals @opencv
crop tool takes x and y coordinate and pushes out pixel in between coordinate we call it cropping.
its same method i use in digital compositing application ex- get input and do process then send into output write file-