The bwconvhull function in MATLAB finds the convex hull of a binary image, which is the smallest convex shape that contains all the white pixels. Its applications include shape analysis, object encapsulation, morphological measurements, pattern recognition, and collision detection in robotics. While bwconvhull itself does not provide the coordinates of the hull's boundary pixels, the bwboundaries function can be used on its output for this purpose.
MATLAB does not have a direct 3D counterpart to bwconvhull, but the convhull function can be used for 3D point clouds to find convex hulls. In 3D, convex hull applications include volume estimation, 3D shape analysis, medical imaging, computer graphics, and geospatial analysis. Working with 3D voxel data often requires surface point extraction before applying convhull.
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