KBVision Segmenter Module

The KBVision Segmenter Module is a set of thirty-nine (39) Tasks that provide a variety of tools for extracting intermediate level Tokensets from Images. Two feature types are extracted: Lines and Regions. The collected gradient technique "Burns Straight Line Finder" algorithm is a very powerful means for extracting lines. This algorithm collects areas with similar gradient direction and fits a line segment to each area. A different algorithm, "GradLine", supports line extraction for applications requiring rapid execution.

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:


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