Multi-resolution LOD volume rendering in medicine

Authors:
Kai Xie;Jie Yang;Yue Min Zhu
Affiliations:
Inst. of Image Processing & Pattern Recognition, Shanghai Jiaotong Univ., Shanghai, China;Inst. of Image Processing & Pattern Recognition, Shanghai Jiaotong Univ., Shanghai, China;CREATIS – CNRS research unit 5515 & INSERM unit 630, Villeurbanne, France
Venue:
ICCS'05 Proceedings of the 5th international conference on Computational Science - Volume Part I
Year:
2005

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Abstract

This paper presents a level of detail (LOD) selection algorithm for multi-resolution volume rendering using 3D texture mapping. It uses an adaptive scheme that renders the volume in a region-of-interest at a high resolution and the volume away from this region at progressively lower resolutions. The algorithm is based on several important criteria, rendering is done adaptively by selecting high-resolution cells close to a center of attention and low-resolution cells away from this area. In addition, our hierarchical level-of-detail representation guarantees consistent interpolation between different resolution levels. Experiments have been applied to a number of large medical data and produced high quality images at interactive frame rates using standard PC hardware.