CA2522856C - Conversion de format d'ecran et transcodage de mpeg-2 en mpeg-4 - Google Patents
Conversion de format d'ecran et transcodage de mpeg-2 en mpeg-4 Download PDFInfo
- Publication number
- CA2522856C CA2522856C CA002522856A CA2522856A CA2522856C CA 2522856 C CA2522856 C CA 2522856C CA 002522856 A CA002522856 A CA 002522856A CA 2522856 A CA2522856 A CA 2522856A CA 2522856 C CA2522856 C CA 2522856C
- Authority
- CA
- Canada
- Prior art keywords
- mpeg
- matrix
- bitstream
- downsampling
- dct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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Landscapes
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/590,928 | 2000-06-09 | ||
| US09/590,928 US6647061B1 (en) | 2000-06-09 | 2000-06-09 | Video size conversion and transcoding from MPEG-2 to MPEG-4 |
| CA002410573A CA2410573C (fr) | 2000-06-09 | 2001-05-25 | Conversion de format d'ecran et transcodage de mpeg-2 en mpeg-4 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002410573A Division CA2410573C (fr) | 2000-06-09 | 2001-05-25 | Conversion de format d'ecran et transcodage de mpeg-2 en mpeg-4 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2522856A1 CA2522856A1 (fr) | 2001-12-13 |
| CA2522856C true CA2522856C (fr) | 2008-01-15 |
Family
ID=35511251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002522856A Expired - Lifetime CA2522856C (fr) | 2000-06-09 | 2001-05-25 | Conversion de format d'ecran et transcodage de mpeg-2 en mpeg-4 |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2522856C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210025507A (ko) * | 2019-08-27 | 2021-03-09 | 현대자동차주식회사 | 차등 부호화를 이용하는 비디오 부호화 및 복호화 |
| CN114640796B (zh) * | 2022-03-24 | 2024-02-09 | 北京字跳网络技术有限公司 | 视频处理方法、装置、电子设备及存储介质 |
-
2001
- 2001-05-25 CA CA002522856A patent/CA2522856C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2522856A1 (fr) | 2001-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20210525 |