close to above line or below 中

asked 2014-01-27 00:15:35 -0500

suocean16 gravatar image

updated 2014-01-27 00:15:59 -0500

image description

Hello ALl: with this picture,you can see 3 line. i would like to know does the middle line is more close to above or below line.

i use HoughLines functions , i can't get result.

does some one can share some suggestion?

only need suggestion and some key point.

thank you! ocean su

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