Data processing method, recording medium and data processing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 29, 2005
Grant Date -
Dec 27, 2001
app pub date -
Jun 22, 2001
filing date -
Jun 23, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data processing method for compressing vertex coordinate data of a plurality of polygons approximating a three-dimensional shape of an image, an apparatus therefor, and a program recording medium therefor. Vertexes of a plurality of polygons approximating a three-dimensional shape of an image are divided into a plurality of vertex sets. A reference point is defined for each of the vertex sets. As positional information of each vertex in each of the vertex sets, differential data between the coordinates of the vertex and the coordinates of the reference point is obtained as an integer value indicating the magnitude relative to a predetermined scale value. The coordinate data of the reference point and the differential data in each of the vertex sets are compressed data.
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