Feature Detection

Select a filter from the list below.

Icon	Name	Description
	cvCanny	Finds edges in an image using Canny algorithm.
	cvCornerEigenValsAndVecs	Calculates eigenvalues and eigenvectors of image blocks for corner detection.
	cvCornerHarris	Harris edge detector.
	cvCornerMinEigenVal	Calculates the minimal eigenvalue of gradient matrices for corner detection.
	cvCornerSubPix	Refines the corner locations.
	cvGoodFeaturesToTrack	Determines strong corners on an image.
	cvHoughCircles	Finds circles in a grayscale image using a Hough transform.
	cvHoughLines	Finds lines in a binary image using standard Hough transform.
	cvHoughLinesP	Finds lines segments in a binary image using probabilistic Hough transform.
	cvLineSegmentDetector	Finds line segments on an image.
	cvPreCornerDetect	Calculates the feature map for corner detection.