Improving HoG

Dai Yan kanshuzhi at gmail.com
Mon Nov 16 20:41:39 EST 2015


Hello, Martin

I find out that skimage HOG doesn't have "overlapping feature". 

May I know whether your patches has merged into master tree or could you 
please share your branch?

Best Regards
Dai Yan

在 2015年1月28日星期三 UTC+8上午3:18:34,Martin Savc写道:
>
> I've been implementing my own HoG transform looking at different sources. 
> While the implementation in scikit-image seems to lack certain features 
> (multiple normalization schemes, general block overlap, Gaussian block 
> window, trillinear interpolation/weighting of bin assignments,...) these 
> don't seem to be that important, at least when applied to my current 
> problem (eye blink analysis).
>
> Most of these would increase complexity, giving the implementation a 
> complicated look, with little gain. I've also been looking into some 
> practical improvements - integral histogram, separating the cell-block 
> histogram feature to use it with other dense feature transforms such as 
> LBP, a HoG visualization function that would render the visualization at 
> higher resolutions that the original image.
>
> Would any of these be welcomed additions to scikit-image? 
>
> Regards,
> Martin Savc
> PuppySaturation
>
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