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| 2017-01-26 23:33:24 -0600 | commented answer | HoughLine parameter Thank you very much. That answer my question. |
| 2017-01-26 23:31:39 -0600 | received badge | ● Scholar (source) |
| 2017-01-26 02:13:39 -0600 | asked a question | HoughLine parameter I want to use houghline to detect lines in image. I read the concept of houghline in openCV website According to this api call HoughLines(InputArray image, OutputArray lines, double rho, double theta, int threshold, double srn=0, double stn=0 ) and this explanation rho – Distance resolution of the accumulator in pixels. theta – Angle resolution of the accumulator in radians. I still conduse what is rho and theta in parameter do. Isn't the result of houghLines, OutputArray lines, defined in term of rho, theta? Could you explain a purpose of rho and theta in parameter? |