Syntax is: pcl_normal_estimation input.pcd output.pcd <options> [optional_arguments]
Estimate surface normals using NormalEstimation. For more information, use: pcl_normal_estimation -h
where options are:
-radius X = use a radius of Xm around each point to determine the neighborhood (default: 0.000000)
-k X = use a fixed number of X-nearest neighbors around each point (default: 0.000000)
For organized datasets, an IntegralImageNormalEstimation approach will be used, with the RADIUS given
value as SMOOTHING SIZE.
Optional arguments are:
-input_dir X = batch process all PCD files found in input_dir
-output_dir X = save the processed files from input_dir in this directory