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.
Zitieren als
Beril Sirmacek (2024). Shadow Detection (https://www.mathworks.com/matlabcentral/fileexchange/54647-shadow-detection), MATLAB Central File Exchange. Abgerufen .
Kompatibilität der MATLAB-Version
Plattform-Kompatibilität
Windows macOS LinuxKategorien
- Image Processing and Computer Vision > Computer Vision Toolbox > Feature Detection and Extraction >
- Sciences > Earth, Ocean, and Atmospheric Sciences >
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Version | Veröffentlicht | Versionshinweise | |
---|---|---|---|
1.0.0.0 | References are added. |