Viola and Jones, Haar Detection, why scale image, not detector?

asked 2014-03-10 20:36:29 -0500

Dehuan Xin gravatar image

I looked into OpenCV 1.0 source code, and also 2.4.8 source code.

I saw that the program both scale image and recompute integral image.

This is contrary to Viola and Jones' ideas in their original paper.

Why is that? Is this implemented this way in OpenCV.

Here is a similar post:

http://opencv-users.1802565.n2.nabble.com/Cascade-detection-scaling-the-image-recomputing-integral-image-td7580735.html

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