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"Voxel Surface" is a free MATLAB program distributed under the GPL license.
Program consists of the following files
run Run a demo example
voxel_bnd_faces Main function
voxel_vtx
renumbervertex
plotsurf
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"Voxel Surface" creates surfaces from 3-D voxel data such as from MRI and CT Scan.
It replaces MATLAB isosurface, isocap and isonormals functions.
MATLAB isosurface function does not render exact surfaces (even without smoothing).
The surface facets have quality issues for complex shapes - bad connectivity and duplicate faces.
Normals are not consistent and isonormals function runs out of memory for large data.
"Voxel Surface" renders exact surfaces with automatic normal orientation and no quality issues.
The program is useful for anyone that wants exact rendering of boundaries of 3-D domains or extracting exact isosurfaces (surfaces corresponding to a given scalar value).
It has uses in medicine, topography and geometrical analysis.
The program is release under the GNU GPL license.
See folder=results for comparison of surface rendering by "Voxel Surface" program and MATLAB "isosurface" function.
"Voxel Surface" creates exact surface from the voxel data.
"isosurface" does not render the exact surface - tapering at edges.
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