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Monochromatic Visualization of Multimodal Images by Projection Pursuit
Seiji HOTTA Kiichi URAHAMA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/12/25
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Image Theory
multimodal image fusion, projection pursuit, anisotropic diffusion,
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A method of visualization of multimodal images by one monochromatic image is presented on the basis of the projection pursuit approach of the inverse process of the anisotropic diffusion which is a method of image restoration enhancing contrasts at edges. The extension of the projection from a linear one to nonlinear sigmoidal functions enhances the contrast further. The deterministic annealing technique is also incorporated into the optimization process for improving the contrast enhancement ability of the projection. An application of this method to a pair of MRI images of brains reveals its promising performance of superior visualization of tissues.