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27 Sep 2013 A New Visibility Metric For Haze Images A new visibility metric is proposed for judging which dehaze method is better. Author: dai zhengguo victorp

27 Sep 2013 A New Visibility Metric For Haze Images A new visibility metric is proposed for judging which dehaze method is better. Author: dai zhengguo victorp

19 Mar 2013 Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005). Author: Leo victorp

Leo, thanks lot!

17 Mar 2013 Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005). Author: Leo victorp

Hi Leo,

i'm trying to use your code. For an image of size 256x256, with default parameters i'm obtaining a vector of size - 142884 (63*63*9*4). However, using the vl_hog function (from VLFeat.org) with the same parameters im getting a vector of size-147456 (64*64*9*4). Could you clarify this? Furthermore, could you tell me for example how to fold the output vector back (as 3D) in case of signed case. Thanks,
Best regards,
V.

05 Apr 2011 Fast 2D Walsh-Hadamard Transform The function implement the 2D dyadic(Paley) ordered fast in-place Walsh-Hadamard transform. Author: Gylson Thomas victorp

Hi Gylson,

I'm trying to use your implementation to convert a gray-scale image (e.g., Lena). Unfortunately, i receive as output a matrix with ALL elements zero!
Could you clarify this?
Regards,
Victor

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