发明名称 |
Generation and use of compressed image data |
摘要 |
<p>A method and computer system are described for generating compressed image data, and for rendering pixel data using the compressed image data. A plurality of hulls are defined in the image, each hull being defined as a set of polygons in a desired coordinate system. For at least some of said hulls, a portal is defined, each portal being defined as a set of point in the designated coordinate system for that hull. A viewing transform allows the portal to be mapped to another, target hull. A data structure is stored which holds the defined hulls and portals in a manner describing their physical relationship in the image. The data structure can be transmitted via a number of different mediums and represents the compressed image data which can be used to generate pixel data to generate an image at a remote location. <IMAGE></p> |
申请公布号 |
EP0905654(A1) |
申请公布日期 |
1999.03.31 |
申请号 |
EP19980307900 |
申请日期 |
1998.09.29 |
申请人 |
SCIENCE RESEARCH FOUNDATION |
发明人 |
SIDWELL, NATHAN;STUTTARD, DAVID |
分类号 |
G06T17/00;(IPC1-7):G06T17/00 |
主分类号 |
G06T17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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