Supported techniques for Region extraction are: Pyramidal Linking which uses a hierarchical representation to group pixels into regions, and Multiple Threshold segmentation which computes thresholds on resulting Image contrast. The algorithm "ConvexSeg" produces regions that exhibit varying degrees of convexity. Other morphological techniques are also supported and implemented efficiently within this module.
In addition to Tasks which "segment" the Image, this module also provides feature extraction and computation Tasks that add feature values to the extracted Tokensets. Some Tasks (Tokenset filtering and merging) assist the user in grouping intermediate level results into higher level (relational) Tokens.
For more information see these KBV technical reports:
KBVision Modules (webmaster@aai.com)
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