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