How to remove unwanted points in point cloud

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Shaurab Show
Shaurab Show 2021-3-10
评论： Shaurab Show 2021-3-17
Hi,
I am a beginner to Matlab and would like some suggestion on how to remove the top point cloud (which is detached from the body) in the figure below
Thanks in advance

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KSSV
KSSV 2021-3-10
You can see that the unwanted points are lying in certain intervel of (x,y,z). Get those indices using logical indexing and remove them.
Example:
x = rand(1,100) ;
x(x>0.5) = [] ; % remove x which are greater than 0.5

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Mehmed Saad
Mehmed Saad 2021-3-10
The cheapest and easiest method is use of brush
Select Points you want to delete
now press delete
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Shaurab Show
Shaurab Show 2021-3-17
I did but its not generating an accurate result. Therefore, I have decided to do it using the manually with the help of brush.
But thanks anyways for the help

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