A contour tracing and coding algorithm for generating 2D contour codes from 3D classified objects

In 3D image data sets generated by voxel-based classification, each voxel is marked with a specific class label. Voxels of the same class label can form 3D objects of extremely complex shape. Interactively drawn regions are usually represented by their 2D region borders. In order to combine automati...

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Bibliographic Details
Published in:Pattern recognition 2007-04, Vol.40 (4), p.1294-1306
Main Author: Wagenknecht, G.
Format: Article
Language:English
Subjects:
Applied sciences
Biological and medical sciences
Chain code
Coding, codes
Computerized, statistical medical data processing and models in biomedicine
Contour coding
Contour tracing
Crack code
Exact sciences and technology
Image classification
Image processing
Information, signal and communications theory
Medical management aid. Diagnosis aid
Medical sciences
Pattern recognition
Signal and communications theory
Signal processing
Telecommunications and information theory
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Summary:In 3D image data sets generated by voxel-based classification, each voxel is marked with a specific class label. Voxels of the same class label can form 3D objects of extremely complex shape. Interactively drawn regions are usually represented by their 2D region borders. In order to combine automatically classified with interactively drawn regions, a contour tracing and coding algorithm for generating optimized 2D contours from 3D classified objects is presented. A special conversion algorithm allows a chain or a crack code representation. An application to medical images shows the method's necessity and usefulness in dealing with highly complex regions.
ISSN:0031-3203
1873-5142
DOI:10.1016/j.patcog.2006.09.003