| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To display an image according to the request from a user while preventing overflow of data in a cache by deleting the cache data which may produce less effect on the regenerated image from the encoded image data in the cache. <P>SOLUTION: An image processing method for regenerating the encoded image data fragmentarily input and cached is presented. When an image area of interest is specified, it is determined whether or not the cache data amount obtained by caching the image data exceeds an allowed amount, caused by modifying the area F of interest. If the cache data amount exceeds the allowed amount, the data amount Y to be deleted from the cache data stored in the cache memory is acquired (S11), and the distance from the area F of interest to a unit area to be deleted is measured. Based on the measured distance, a deletion area R of which data are to be deleted from the cache data is determined on a tile-by-tile basis (S14), and the cache data included in the above determined deletion area R are deleted (S16). <P>COPYRIGHT: (C)2004,JPO</p> |
