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Feature Detection

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Icon Name Description / Applications Modules
cvCanny

Finds edges in an image using Canny algorithm.

OpenCV
cvCornerEigenValsAndVecs

Calculates eigenvalues and eigenvectors of image blocks for corner detection.

OpenCV
cvCornerHarris

Harris corner detector.

OpenCV
cvCornerMinEigenVal

Calculates the minimal eigenvalue of gradient matrices for corner detection.

OpenCV
cvCornerSubPix

Refines the corner locations.

OpenCV
cvGoodFeaturesToTrack

Determines strong corners on an image.

OpenCV
cvHoughCircles

Finds circles in a grayscale image using a Hough transform.

OpenCV
cvHoughLines

Finds lines in a binary image using standard Hough transform.

OpenCV
cvHoughLinesP

Finds lines segments in a binary image using probabilistic Hough transform.

OpenCV
cvPreCornerDetect

Calculates the feature map for corner detection.

OpenCV