Extracting tissue deformation using Gabor filter banks

Albert Montillo; Dimitris Metaxas; Leon Axel

doi:10.1117/12.536860

30 April 2004 Extracting tissue deformation using Gabor filter banks

Albert Montillo, Dimitris Metaxas, Leon Axel

Proceedings Volume 5369, Medical Imaging 2004: Physiology, Function, and Structure from Medical Images; (2004) https://doi.org/10.1117/12.536860
Event: Medical Imaging 2004, 2004, San Diego, California, United States

Abstract

This paper presents a new approach for accurate extraction of tissue deformation imaged with tagged MR. Our method, based on banks of Gabor filters, adjusts (1) the aspect and (2) orientation of the filter’s envelope and adjusts (3) the radial frequency and (4) angle of the filter’s sinusoidal grating to extract information about the deformation of tissue. The method accurately extracts tag line spacing, orientation, displacement and effective contrast. Existing, non-adaptive methods often fail to recover useful displacement information in the proximity of tissue boundaries while our method works in the proximity of the boundaries. We also present an interpolation method to recover all tag information at a finer resolution than the filter bank parameters. Results are shown on simulated images of translating and contracting tissue.

Citation Download Citation

Albert Montillo, Dimitris Metaxas, and Leon Axel "Extracting tissue deformation using Gabor filter banks", Proc. SPIE 5369, Medical Imaging 2004: Physiology, Function, and Structure from Medical Images, (30 April 2004); https://doi.org/10.1117/12.536860

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