-The input is created by array laser_scan (type unsigned short) which contains
-data expressed in polar coordinates. The first step is data conversion from
-polar coordinates to vector whose points are expressed in cartesian coordinates.
-The section includes filtering of error scanned data which are lower level then 20.
+The input of the algorithm is represented by array laser_scan (type
+unsigned short) which contains data expressed in polar coordinates.
+The first step is data conversion from polar coordinates to vector
+whose points are expressed in cartesian coordinates. The section
+includes filtering of errors in the scanned data which are represented
+by values lower then 20.