Pre-Processing > Adjust Texture
Uses advanced algorithms to highlight various forms of texture in an image. Options include measuring aspects of each pixel’s Hessian matrix  and Gabor filters .
Note that the trace of the hessian matrix is the same as the laplacian operator.
This filter is well-suited to finding corners.
- First Eigen:
- Second Eigen:
- Eigen Difference:
- Square Eigen Difference:
Radius (in pixels) to consider about each pixel to calculate the specified filter.
 D. Eberly, “Ridges in Image and Data Analysis”, Kluwer Academic Publishers, 1996.
 Fogel, I.; Sagi, D. (1989). “Gabor filters as texture discriminator”. Biological Cybernetics. 61 (2).
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