estimate_laser_plane.md

+# Estimation of the Laser Plane position
+---
+We will use pinhole camera model for finding 3D points ![alt text](http://mathurl.com/hj835tq.png) in projection coordinate ![alt text](http://mathurl.com/hw2kh9a.png) described as:
+
+<img src="http://mathurl.com/hbtk24o.png" /> ,
+
+where **K** is the camera metrix from [here](find_camera_mtx)
+
+We must find some points in space with 
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