Abstract
This paper describes a novel method for simulating soft tissue deformation with image-based rendering. It is based on the association of a depth map with the texture image and the incorporation of micro-surface details to generate photorealistic images representing soft tissue deformations. In a pre-processing step, the depth map describing the surface is separated into two distributions corresponding to macro- and micro-surface details. During user interactive simulation, deformations resulting from tissue-instrument interaction are rapidly calculated by modifying a coarse mass-spring model fitted to the macro-surface structure. Micro-surface details are subsequently augmented to the modified model with 3D image warping. The proposed technique drastically reduces the polygonal count required to model the scene whilst preserving deformed small surface details to offer a high level of photorealism.
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© 2003 Springer-Verlag Berlin Heidelberg
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ElHelw, M.A., Chung, A.J., Darzi, A., Yang, GZ. (2003). Image-Based Modelling of Soft Tissue Deformation. In: Ellis, R.E., Peters, T.M. (eds) Medical Image Computing and Computer-Assisted Intervention - MICCAI 2003. MICCAI 2003. Lecture Notes in Computer Science, vol 2878. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39899-8_11
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DOI: https://doi.org/10.1007/978-3-540-39899-8_11
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