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cvFindContours

Basic

Module: OpenCV

Finds the contours in a binary image.

Name Type Description
Input value
 inImage Image Source, an UINT8 single-channel image. Non-zero pixels are treated as 1's. Zero pixels remain 0's, so the image is treated as binary.
Input value
 inMode CvContourRetrievalMode Contour retrieval mode.
Input value
 inMethod CvContourApproximationMethod Contour approximation method.
Input value
 inOffset Location* Offset by which every contour point is shifted.
Output value
 outHierarchy IntegerArrayArray Output array containing information about the image topology.
Output value
 outContours PathArray Detected contours.

Errors

This filter can throw an exception to report error. Read how to deal with errors in Error Handling.

List of possible exceptions:

Error type Description
DomainError Input image must be Int32 single-channel in cvFindContours.
DomainError Input image must be Uint8 single-channel in cvFindContours.

Complexity Level

This filter is available on Basic Complexity Level.