Itseez/opencv — pull request #2109 by scottbreyfogle (2014-01-03 22:08:53+00:00)
Title: Hough lines constrained by angle

First opencv pull request, related to this story: http://code.opencv.org/issues/3438
I wasn't sure whether to request against 2.4 or 3.0. This is a performance improvement, but perhaps a feature as well? Let me know if I should change it master.