Now I'm working for calculating the head pose. I use solvePnPRansac() in opencv and get the rotation and translation vector.Then, I use Rodrigues() to get my rotation matrix and get three angles from the rotation matrix. But from my data,the angle rotated by x axis is 172 degrees. I'm very confusing about this data.That means my head rotate 172 degrees by x axis?Could anyone help me with this problem? Thank you in advance!
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please create a full example including images and matrix data, camera calibration etc. – Micka Apr 26 '16 at 08:26
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I'm very sorry that I didn't reply to you recently.I'm a little busy these days.I did with my project in this method.http://www.morethantechnical.com/2010/03/19/quick-and-easy-head-pose-estimation-with-opencv-w-code/ – ss_shine May 03 '16 at 07:30
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But I found that the video result shows that the rotation of the x axis in 172 degrees.I'm very confused with this result.Thank you for your response! – ss_shine May 03 '16 at 07:34