Hidden Point Removal

Version 1.0.0.0 (1.55 KB) by Sagi Katz
Approximates visbile points in an N dimensional point cloud, as seen from a given viewpoint
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Updated 5 Oct 2007

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Approximates visbile points in an N dimensional point cloud, as seen from a given viewpoint.
This is the most basic implementation of:
"Direct Visibility of Point Sets",
Sagi Katz, Ayellet Tal, and Ronen Basri. SIGGRAPH 2007

Usage:
visiblePtInds=HPR(p,C,param)

Input:
p - NxD D dimensional point cloud.
C - 1xD D dimensional viewpoint.
param - parameter for the algorithm. Indirectly sets the radius.

Output:
visiblePtInds - indices of p that are visible from C.

Cite As

Sagi Katz (2026). Hidden Point Removal (https://www.mathworks.com/matlabcentral/fileexchange/16581-hidden-point-removal), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0

Image now shows both 2D and 3D applications.