3D Euclidean Distance Transform for Variable Data Aspect Ratio

Implementation of 3D Euclidean distance transform for data with non-trivial aspect ratio.

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Cite As

Yuriy Mishchenko (2026). 3D Euclidean Distance Transform for Variable Data Aspect Ratio (https://ch.mathworks.com/matlabcentral/fileexchange/15455-3d-euclidean-distance-transform-for-variable-data-aspect-ratio), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.8.0

Added citation information as many people had requested.

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1.7.0

Replaces bwdistsc with the earlier introduced experimental bwdistX, which uses forward-backward version of algorithm, improving speed up to 10x vs native bwdist

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1.6.0

Adds experimental bwdistX for user testing, which uses forward-backward version of algorithm and is up to 10x faster than native bwdist

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1.3.0

Included bwdistsc1 that allows restricting calculations out to a certain distance, which may accelerate calculations in some cases, see readme. Also contains a fix for Matlab version detection routine, thanks to Tudor Dima.

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1.0.0

The code had been improved to better handle certain type of problems (cavities). It also contains fix allowing use of function with plain 2D images.

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