Image segmentation from point clouds

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Xinyi Li
Xinyi Li 2021-8-27
评论： darova 2021-9-11
I have some .ply files that storing 3D triangle meshes describing binary masks in image segmentation. These masks are manually contoured slice-by-slice. Usually they are stored in RS Dicom files. Now I want to read these ply files in MATLAB and convert them back to binary masks or contours. Any related resources or suggestions are appreciated. Thanks!

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Sahil Jain
Sahil Jain 2021-9-2
Hi. You can use the "pcread" function to read point clouds from ".ply" files into MATLAB. For more information about point cloud processing in MATLAB, please refer to the "Point Cloud Processing" documentation page.
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Xinyi Li
Xinyi Li 2021-9-9
Thank you for the answer. A following up question is, how do I convert point clouds (representing a shell) to binary masks (representing a volume, enclosed by the shell)?

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