Integrated region/edge framework for multimodality target delineation

Richard M. Wasserman; Raj S. Acharya; Claudio H. Sibata; Kyu H. Shin

doi:10.1117/12.237929

16 April 1996 Integrated region/edge framework for multimodality target delineation

Richard M. Wasserman, Raj S. Acharya, Claudio H. Sibata, Kyu H. Shin

Proceedings Volume 2710, Medical Imaging 1996: Image Processing; (1996) https://doi.org/10.1117/12.237929
Event: Medical Imaging 1996, 1996, Newport Beach, CA, United States

Abstract

A new methodology is proposed for the delineation of anatomical or physiological target regions utilizing a rich set of multimodality imagery. The proposed technique is unique in that it allows the integration of anatomical cues from transmission tomography (MRI/CT) with more fuzzy, physiological information derived from emission tomography (PET/SPECT). This approach allows for the delineation of regions of homogeneous tracer uptake constrained by the boundaries of anatomical structures, and vice versa. An extension of deformable model segmentation techniques is presented which integrates both region and edge information from registered scans in a competitive manner. The proposed technique has been implemented for two-dimensional deformable models. Results are presented for the cases of unimodal MRI in which region and edge information is integrated, and for a multimodal case employing a registered MRI and PET scan.

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Richard M. Wasserman, Raj S. Acharya, Claudio H. Sibata, and Kyu H. Shin "Integrated region/edge framework for multimodality target delineation", Proc. SPIE 2710, Medical Imaging 1996: Image Processing, (16 April 1996); https://doi.org/10.1117/12.237929

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KEYWORDS

Positron emission tomography

Magnetic resonance imaging

Image segmentation

3D modeling

Tomography

Information fusion

Data modeling

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