Focus Measure

Version 2.2.0.0 (4.62 KB) by Said Pertuz
A function to measure the relative degree of focus of an image.
4.9
(36)
10.6K Downloads
Updated 31 Aug 2017

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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://www.mathworks.com/matlabcentral/fileexchange/27314-focus-measure), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2008b
Compatible with any release
Platform Compatibility
Windows macOS Linux
Categories
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Acknowledgements

Inspired: Extended depth-of-field, Shape from focus

fmeasure/

Version Published Release Notes
2.2.0.0

Fixed a bug in the function AcMomentum
2.1.0.0

- Bug fixed in GDER focus operator
- Description updated
2.0.0.0

- Some bugs have been fixed (Brenner's and GDER's focus measure operators)
1.3.0.0

- The function no longer requires the floating-point toolbox.
1.0.0.0