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Module: | MatchingPro |
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Finds all occurrences of a predefined template on an image by comparing object edges.
Applications
Detection of multiple objects whose outlines are sharp and rigid. Often one of the first filters in a program.
Name | Type | Range | Description | |
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inImage | Image | Image on which object occurrences will be searched | ||
inSearchRegion | Region* | Region of possible object centers | ||
inEdgeModel | EdgeModel | Model of objects to be searched | ||
inMinPyramidLevel | Integer | 0 - 12 | Defines the lowest pyramid level at which object position is still refined | |
inMaxPyramidLevel | Integer* | 0 - 12 | Defines the total number of reduced resolution levels that can be used to speed up computations | |
inEdgeThreshold | Real | 0.01 - | Minimum strength of edges used for matching with the model | |
inEdgePolarityMode | EdgePolarityMode | Defines how edges with reversed polarity will contribute to the object score | ||
inEdgeNoiseLevel | EdgeNoiseLevel | Defines how much noise the objects edges have | ||
inIgnoreBoundaryObjects | Bool | Flag indicating whether objects crossing image boundary should be ignored or not | ||
inMinScore | Real | 0.0 - 1.0 | Minimum score of object candidates accepted at each pyramid level | |
inMinDistance | Real | 0.0 - | Minimum distance between two found objects | |
outObjects | Object2DArray | Found objects | ||
outObjectEdges | PathArrayArray | Model edges of the found objects | ||
outPyramidHeight | Integer | Highest pyramid level used to speed up computations | ||
diagEdgePyramid | ImageArray | Image edges used for matching at each pyramid level | ||
diagMatchPyramid | ImageArray | Candidate object locations found at each pyramid level | ||
diagScores | RealArrayArray | Scores of the found objects at each pyramid level |
Hardware Acceleration
This operation supports automatic parallelization for multicore and multiprocessor systems.
Complexity Level
This filter is available on Basic Complexity Level.