![]() | MatFindContours Method |
Name | Description | |
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![]() | FindContours(Mat, OutputArray, RetrievalModes, ContourApproximationModes, NullablePoint) |
Finds contours in a binary image.
The source is an 8-bit single-channel image. Non-zero pixels are treated as 1’s.
Zero pixels remain 0’s, so the image is treated as binary. The function modifies this image while extracting the contours.
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![]() | FindContours(Point, HierarchyIndex, RetrievalModes, ContourApproximationModes, NullablePoint) |
Finds contours in a binary image.
The source is an 8-bit single-channel image. Non-zero pixels are treated as 1’s.
Zero pixels remain 0’s, so the image is treated as binary. The function modifies this image while extracting the contours.
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