An illumination invariant shadow ratio is introduced. The invariant is calculated using RGB information.
The threshold value needs to be tuned by user for the test images.
A test image is included.
% For Academic & Educational Usage Only
% Please consider citing following reference articles.
%
% B. Sirmacek and C. Unsalan, "Damaged Building Detection in Aerial Images
% using Shadow Information", 4th International Conference on Recent Advances
% in Space Technologies RAST 2009, Istanbul, Turkey, June 2009.
%
% C. Unsalan and K. L. Boyer, "Linearized vegetation indices based on a formal
% statistical framework," IEEE Transactions on Geoscience and Remote Sensing,
% vol. 42, pp. 1575-1585, 2004.
Citation pour cette source
Beril Sirmacek (2026). Shadow Detection (https://fr.mathworks.com/matlabcentral/fileexchange/54647-shadow-detection), MATLAB Central File Exchange. Extrait(e) le .
Compatibilité avec les versions de MATLAB
Plateformes compatibles
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- Image Processing and Computer Vision > Computer Vision Toolbox > Feature Detection and Extraction >
- Sciences > Geoscience >
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| Version | Publié le | Notes de version | |
|---|---|---|---|
| 1.0.0.0 | References are added. |
