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This function measures the relative degree of focus of an image. Several up-to-date focus measuring algorithms have been implemented and the function supports uint8 or double images. For futher details on each focus measuring algorithm the reader is referred to [1] and the references therein. For further information and datasets, see https://sites.google.com/view/cvia/focus-measure
[1] S. Pertuz et al., Analysis of focus measure operators for shape-from-focus. Pattern Recognition, 46(5):1415:1432, 2013.
Cite As
Said Pertuz (2026). Focus Measure (https://nl.mathworks.com/matlabcentral/fileexchange/27314-focus-measure), MATLAB Central File Exchange. Retrieved .
Acknowledgements
Inspired: Extended depth-of-field, Shape from focus
General Information
- Version 2.2.0.0 (4.62 KB)
MATLAB Release Compatibility
- Compatible with any release
Platform Compatibility
- Windows
- macOS
- Linux
| Version | Published | Release Notes | Action |
|---|---|---|---|
| 2.2.0.0 | Fixed a bug in the function AcMomentum |
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| 2.1.0.0 | - Bug fixed in GDER focus operator
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| 2.0.0.0 | - Some bugs have been fixed (Brenner's and GDER's focus measure operators) |
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| 1.3.0.0 | - The function no longer requires the floating-point toolbox. |
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| 1.0.0.0 |
