more than one instance found using geometric consistency method

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gxy
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more than one instance found using geometric consistency method

gxy
Hello all

I am following this tutorial
"http://www.pointclouds.org/documentation/tutorials/correspondence_grouping.php",
which describes two methods of clustering, one is the Hough, and the other
is geometric consistency. In that tutorial, it is just with the hough method
tested and one can get the perfect result as described in this tutorial.

My question is:

Does anyone try to use the geometric consistency method given as command
line " --algorithm GC"? does it also work? because I try to use that and get
four matched instances in the scene, and three of them are shifted. I
uploaded the screenshot to this link:
https://drive.google.com/file/d/1arqHTFT7aJFlgB43K76othV1lP0Ecl6b/view?usp=sharing

Besides, I just downloaded the .cpp file and.pcd file from the tutorial
without any changes, and I am using PCL 1.8.1, any advice?



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