TW200742440A - Video coding method with multi-function and expandable design and circuit system thereof - Google Patents
Video coding method with multi-function and expandable design and circuit system thereofInfo
- Publication number
- TW200742440A TW200742440A TW095115338A TW95115338A TW200742440A TW 200742440 A TW200742440 A TW 200742440A TW 095115338 A TW095115338 A TW 095115338A TW 95115338 A TW95115338 A TW 95115338A TW 200742440 A TW200742440 A TW 200742440A
- Authority
- TW
- Taiwan
- Prior art keywords
- add
- shift
- circuit system
- circuit
- function
- Prior art date
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- Image Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Disclosed are a video coding method with multi-function and expandable design and the circuit system thereof. The operation of inner product in the expression for transform coding becomes a progression of add-and-shift operation, and the expression is divided into several sub-expressions while a level of the progression is a cycle. Several adders-subtractors and a shift-add accumulator are used to add/subtract and shift the input data accordingly. The computational results of all the progressions are accumulated, and the last accumulated value is the output of a transform coding. The present invention enables to enhance the yield on data, and further save on the power consumption of the circuit system. Additionally, said invention provides a dynamic monitoring method and spurious power suppression technique. A detection logic circuit is used to automatically detect the bits needed to activate the detection operation circuit, and then a control circuit shut down partial circuits which are not needed according the detected result to further lower the power consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095115338A TW200742440A (en) | 2006-04-28 | 2006-04-28 | Video coding method with multi-function and expandable design and circuit system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095115338A TW200742440A (en) | 2006-04-28 | 2006-04-28 | Video coding method with multi-function and expandable design and circuit system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200742440A true TW200742440A (en) | 2007-11-01 |
| TWI313134B TWI313134B (en) | 2009-08-01 |
Family
ID=45072723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095115338A TW200742440A (en) | 2006-04-28 | 2006-04-28 | Video coding method with multi-function and expandable design and circuit system thereof |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TW200742440A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI402771B (en) * | 2009-12-24 | 2013-07-21 | Univ Nat Central | Fast inverse integer dct method on multi-core processor |
-
2006
- 2006-04-28 TW TW095115338A patent/TW200742440A/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI402771B (en) * | 2009-12-24 | 2013-07-21 | Univ Nat Central | Fast inverse integer dct method on multi-core processor |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI313134B (en) | 2009-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |