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Panoramic Navigation using Orthogonal Cross Cylinder Mapping and Image-Segmentation Based Environment Modeling  

류승택 (중앙대학교 정보통신연구원)
조청운 (중앙대학교 첨단영상 연구원)
윤경현 (중앙대학교 컴퓨터공학과)
Publication Information
Journal of KIISE:Computer Systems and Theory / v.30, no.3_4, 2003 , pp. 138-148 More about this Journal
Abstract
Orthogonal Cross Cylinder mapping and segmentation based modeling methods have been implemented for constructing the image-based navigation system in this paper. The Orthogonal Cross Cylinder (OCC) is the object expressed by the intersection area that occurs when a cylinder is orthogonal with another. OCC mapping method eliminates the singularity effect caused in the environment maps and shows an almost even amount of area for the environment occupied by a single texel. A full-view image from a fixed point-of-view can be obtained with OCC mapping although it becomes difficult to express another image when the point-of-view has been changed. The OCC map is segmented according to the objects that form the environment and the depth value is set by the characteristics of the classified objects for the segmentation based modeling. This method can easily be implemented on an environment map and makes the environment modeling easier through extracting the depth value by the image segmentation. An environment navigation system with a full-view can be developed with these methods.
Keywords
Sampling; Environment Mapping; Image Based Rendering; Panoramic Navigation;
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