vlfeat/vlfeat — pull request #14 by pppoe (2012-10-10 23:51:51+00:00)
Title: In vl_lbp_process added a line to clean up the buffer on entering

I ran into this, because vl_lbp_process assumes the output buffer are all zeros without documentation. I suggest to add one cleaning up there, it's hard to notice this, since this still gives you a normalized LBP histogram.