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What does opencv 'mean' function do when passing a mask of zeros?

What does opencv 'mean' function do when passing a mask of zeros?
  1. How does masking work in OpenCV?
  2. What does cv mean in OpenCV?
  3. What does cv2 mean return?

How does masking work in OpenCV?

Masking of images using Python OpenCV

Masking is used in Image Processing to output the Region of Interest, or simply the part of the image that we are interested in. We tend to use bitwise operations for masking as it allows us to discard the parts of the image that we do not need.

What does cv mean in OpenCV?

OpenCV (Open Source Computer Vision Library) is a library of programming functions mainly aimed at real-time computer vision.

What does cv2 mean return?

This answer explains what a CV2 or CVV2 code is and how it is used. CV2 is an important security feature for credit card transactions on the Internet and over the phone. “CVV” stands for “Card Verification Value”.

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