Access to Hough Transform accumulator

问题

I'm trying to use the Hough Transform from EmguCV 3.0 to detect lines, but then, I'm only interested by some line "angles". Basically, I just want to see almost 90/270º and 0/180º lines (with a margin of a few degrees). And of course, I just want those who reach a certain treshold. I was thinking finding those lines using the accumulator and only looking at some angles values (85 to 95º for instance)... but no way to access to this accumulator :/ Is there some smart way to do it? Or should I look at angles of the top lines from the Hough Transform and then just keeping the ones I'm interested in...?

Thanks =)

来源：https://stackoverflow.com/questions/31543444/access-to-hough-transform-accumulator