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Structural Analysis and Shape Descriptors
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Icon | Name | Description |
---|---|---|
cvApproxPolyDP | Approximates polygonal curve(s) with the specified precision. | |
cvArcLength | Calculates a contour perimeter or a curve length. | |
cvBoundingRect | Calculates the up-right bounding rectangle of a point set. | |
cvConnectedComponents | Computes the connected components labeled image of boolean image. | |
cvContourArea | Calculates the contour area. | |
cvConvexHull | Finds the convex hull of a point set. | |
cvDrawContours | Draws contour outlines or filled contours. | |
cvFindContours | Finds the contours in a binary image. | |
cvFitEllipse | Fits an ellipse around a set of 2D points. | |
cvFitLine | Fits a line to a 2D or 3D point set. | |
cvHuMoments | Calculates Hu moments of the image. | |
cvIsContourConvex | Tests contour convexity. | |
cvMatchShapes_Images | Compares two shapes. | |
cvMatchShapes_Shapes | Compares two shapes. | |
cvMinAreaRect | Finds a rotated rectangle of the minimum area enclosing the input 2D point set. | |
cvMinEnclosingCircle | Finds the minimum area circle enclosing a 2D point set. | |
cvMinEnclosingTriangle | Finds a rotated rectangle of the minimum area enclosing the input 2D point set. | |
cvMoments | Calculates image moments. | |
cvPointPolygonTest | Performs point-in-contour test. |