depth to external rgb [closed]

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Hi,

I want to use external web camera instead of kinect rgb camera. To achieve this, my steps are :

• I found intrinsic parameters of both ir camera and rgb camera.
• After than, I found extrinsic parameters between ir and external rgb camera with using
  opencv stereo calibrate function.
• after rectification, I tried to create rgb-d point clouds with depth and rgb information. But my result point clouds seem as sliced.

I think I have rectification problem. To solve this problem, I tried to marked correspond points in depth and rgb images( after than basic triangulation). But I could not find disparity correctly. What are your sugggestions for me ?

Regards,

P.S. I uploaded my results that links :

http://www.upload.gen.tr/d.php/www/948apxn5/3D1.PNG.html http://www.upload.gen.tr/d.php/www/948apxn5/3D2.PNG.html http://www.upload.gen.tr/d.php/www/948apxn5/3D3.PNG.html