Does LCCP Segmentation work well?

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Does LCCP Segmentation work well?

rlaace423
I have worked with PCL in 2 month.
To use lccp segmentation, i compiled github source in windows 7, vs 2010.

purpose is that I want to segment structures in construction site to figure out what have done or not.

I used lccp sample source which is in github. ( and I think it is same one in paper about lccp segmentation )

So I tried hundred of times with different argments. But I didn't get good result.


in this image, floor have to be united, also ceiling. (ceiling have to be united by each portions)


in this image, each pillars have several colors, but they have to be united.

parameters i used is -v 1000 -s 1100 -c 0 -z 1 -n 4 -ct 5 -st 0 -smooth 0

and i used compressed binary pcd format (x,y,z,rgb)

Does anyone help me please?

#1. when can lccp be in trunk version?



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Re: Does LCCP Segmentation work well?

Nicola
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Hi,

I think that you have already resolved your problem. If not could you give the point cloud? so I can try too.
I am using LCCP too for objects segmentation and works quite good, and I guess that your point cloud should be quite easy to segment by the LCCP and it is strange for me that you got such result.

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Re: Does LCCP Segmentation work well?

codierknecht
Hi,

I am struggeling a few days with LCCP segmentation, too.

<http://www.pcl-users.org/file/t498736/lccp.png>
./example_lccp_segmentation ../scene.down_0.pcd -v 0.1 -s 1 -c 0 -z 1 -n 4
-refine -ct 5 -st 0 -smooth 0

As you can see this is highly over-segmented and playing around with the
parameters usually leads to a strong under segmentation. My point cloud does
not contain any color-information nor normals. They are estimated using
pcl::NormalEstimator or I yield this to the LCCP class.

I have no clue why this is not working in such a simple seen.

@Nicola or other folks around: Do you have any hints what I am doing wrong?    

Thanks in advance



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