| 发明名称 |
Image filter method |
| 摘要 |
Pre-process an image to be compressed with a DCT-based compression method by by filtering with a filter defined by local modified horizontal and vertical auto-correlations to suppress artifacts related to items such as edges between bright and dark planes.
|
| 申请公布号 |
US2005025381(A1) |
申请公布日期 |
2005.02.03 |
| 申请号 |
US20030632322 |
申请日期 |
2003.08.01 |
| 申请人 |
OIZUMI MUNENORI;KOSHIBA OSAMU;YAMAGUCHI HIROKI |
发明人 |
OIZUMI MUNENORI;KOSHIBA OSAMU;YAMAGUCHI HIROKI |
| 分类号 |
G06K9/40;G06T5/00;H04N7/26;(IPC1-7):G06K9/40 |
主分类号 |
G06K9/40 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
