Filtering method and system of deblocking effect filter |
Title： |
| Filtering method and system of deblocking effect filter |
|
Application Number： |
200610113115 |
Application Date： |
2006/09/15 |
Announcement Date： |
2007/02/28 |
Pub. Date： |
|
Publication Number： |
1921625 |
Announcement Number： |
|
Grant Date： |
|
Granted Pub. Date： |
|
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H04N 7/24, H04N 9/77 |
Applicant(s)： |
Tsinghua University |
Inventor(s)： |
Li Shuguo, Yang Chen |
Key Words： |
deblocking effect filter, filtering, method and system |
Abstract： |
The invention relates to a filter method that parallel reads, writes and filters the external memory, and a relative circuit. Wherein, it meets the demand of block effect filter calculation of H.264 video coding standard; and the invention is characterized in that: (1) buffering the middle data in the filter process, only outputting the filtered final result, to reach the lower limit of read-write times of external memory, to minimize the effect of bandwidth of external memory on the processing ability most; (2), based on one improved filter sequence, and compared with basic filter sequence, the invention can reduce the middle data amount of internal buffer, to reduce the circuit scale; (3) it parallel executes the reading, writing and filtering operations on external memory, to reduce the clock periods of whole filter process, to improve the processing ability. The invention can reduce the circuit scale, reduce the bandwidth demand of external memory and improve the data throughout. |
Claim： |
|
Priority： |
|
PCT： |
|
LegalStatus： |
|
 Relevancy information |
|
|
|
| Other Patents of Same Inventor |
|
|
|
|
| Last Update |
|
|
 |
2008-4-17 |
| |
Selected patents owned by Tsinghua University filed in 2005 are loaded. |
|
2008-3-31 |
| |
Selected patents owned by Tsinghua University filed in 2006 and 2007 are load. |
|
|
