Edge & Features
32 methods for extracting structures.

Canny Edge Detection

Sobel X

Sobel Y

Sobel Magnitude

Scharr Filter

Prewitt Edges

Roberts Cross

Laplacian Edges

Laplacian of Gaussian

Difference of Gaussians

Hough Line Transform

Harris Corner Detection

Shi–Tomasi Corners

ORB Keypoints

SIFT Scale Space

Contour Extraction

Adaptive Thresholding

Otsu Binarization

Local Binary Pattern

CLAHE Local Contrast

Histogram Equalization

Kirsch Compass Edges

Hough Circle Transform

FAST Corners

HOG Gradients

Gabor Filter Bank

Frangi Ridge Filter

Structure Tensor Orientation

MSER Regions

Blob Detection

Template Matching Heatmap

Gaussian Pyramid