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Aeris

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27 Nov 2011 HOG descriptor for Matlab Image descriptor based on Histogram of Oriented Gradients for gray-level images Author: Oswaldo Ludwig

Hi, do you have any example showing how the descriptor is applied to an 640x480 image?
And i don't really understand how does 2*pi/B = 360/9 => 20 degrees per bin? As i see it is equal to 40 degrees.
"ang_lim=-pi+2*pi/B:2*pi/B:pi"

Please correct me if i were wrong, thanks.

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