How to know which points pcl::PassThrough and pcl::StatisticalOutlierRemoval removes?

asked 2011-02-21 18:39:54 -0500

Kadir Firat Uyanik

288 ●10 ●15 ●24 http://kadiruyanik.wor...

updated 2011-02-22 07:44:09 -0500

mmwise

8372 ●45 ●74 ●99 http://www.meloneewise.com/

Hi,

I would like to know which point is removed/filtered out from an input cloud after applying pcl::PassThrough and pcl::StatisticalOutlierRemoval filters. What I mean by "which point" is the x and y index values of a 3D Point in the sensor plane, or simply the index value of the point.

I have checked pcl::ExtractIndices and pcl_base.h and many other source files, but I couldn't find an easy way to do that.

Thanks...

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You can get x,y,z of points that you want when you call pcl::PassThrough and pcl::StatisticalOutlierRemoval filters. What I don't know is how to know the indices of original point cloud. Anyone know? Thank you~

sam ( 2014-05-09 22:22:16 -0500 )edit

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answered 2011-02-23 08:53:56 -0500

Kadir Firat Uyanik

288 ●10 ●15 ●24 http://kadiruyanik.wor...

Hi Corey,

I think you misunderstood the actual problem here.

It is not possible to know which points are removed/filtered out in the current version of PCL for the filters that I have mentioned above. This feature/addon is going to be included in the upcoming versions of PCL, probably 2.0.