Computer Science – Computer Vision and Pattern Recognition
Scientific paper
2007-05-06
Computer Science
Computer Vision and Pattern Recognition
4 pages
Scientific paper
This paper presents deformable templates as a tool for segmentation and localization of biological structures in medical images. Structures are represented by a prototype template, combined with a parametric warp mapping used to deform the original shape. The localization procedure is achieved using a multi-stage, multi-resolution algorithm de-signed to reduce computational complexity and time. The algorithm initially identifies regions in the image most likely to contain the desired objects and then examines these regions at progressively increasing resolutions. The final stage of the algorithm involves warping the prototype template to match the localized objects. The algorithm is presented along with the results of four example applications using MRI, x-ray and ultrasound images.
Marwala** Tshilidzi
Spiller Jonathan M.
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