Three approximate methods for Laplacian image were implemented.
Figure1_2.m shows the comparisons of edge Laplacian images, random
projection tree Laplacian images and k-means Laplacian Images.
1. ImageLaplacian.m, original Laplacian image
2. EdgeLaplacian.m, e-Laplacian image employs Canny edge detector.
3. RPtreeLaplacian.m, r-Laplacian image employs random projection trees.
4. kmeansLaplacian.m, k-Laplacian image employs k-means clustering.
Zhulou Cao (2021). approximate methods for Laplacian images (https://www.mathworks.com/matlabcentral/fileexchange/48196-approximate-methods-for-laplacian-images), MATLAB Central File Exchange. Retrieved .
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