JP2003230143A - 周波数領域のビデオ・データを濾波する回路 - Google Patents
周波数領域のビデオ・データを濾波する回路Info
- Publication number
- JP2003230143A JP2003230143A JP2002279566A JP2002279566A JP2003230143A JP 2003230143 A JP2003230143 A JP 2003230143A JP 2002279566 A JP2002279566 A JP 2002279566A JP 2002279566 A JP2002279566 A JP 2002279566A JP 2003230143 A JP2003230143 A JP 2003230143A
- Authority
- JP
- Japan
- Prior art keywords
- data
- odd
- processing
- transformed
- stage
- 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.)
- Withdrawn
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 32
- 230000009466 transformation Effects 0.000 claims abstract description 12
- 230000001131 transforming effect Effects 0.000 claims abstract description 3
- 238000012937 correction Methods 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 abstract 1
- 238000007792 addition Methods 0.000 description 15
- 230000000903 blocking effect Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 102100021867 Natural resistance-associated macrophage protein 2 Human genes 0.000 description 1
- 108091006618 SLC11A2 Proteins 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Picture Signal Circuits (AREA)
- Image Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0112325 | 2001-09-25 | ||
| FR0112325 | 2001-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003230143A true JP2003230143A (ja) | 2003-08-15 |
| JP2003230143A5 JP2003230143A5 (enExample) | 2005-11-10 |
Family
ID=8867585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002279566A Withdrawn JP2003230143A (ja) | 2001-09-25 | 2002-09-25 | 周波数領域のビデオ・データを濾波する回路 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7180946B2 (enExample) |
| EP (1) | EP1303142B1 (enExample) |
| JP (1) | JP2003230143A (enExample) |
| KR (1) | KR20030026904A (enExample) |
| AT (1) | ATE324748T1 (enExample) |
| DE (1) | DE60210894T2 (enExample) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5168375A (en) * | 1991-09-18 | 1992-12-01 | Polaroid Corporation | Image reconstruction by use of discrete cosine and related transforms |
| US5528528A (en) * | 1993-03-29 | 1996-06-18 | Intel Corporation | Method, apparatus, and system for transforming signals |
| US5386233A (en) * | 1993-05-13 | 1995-01-31 | Intel Corporation | Method for efficient memory use |
| US5684534A (en) * | 1993-05-26 | 1997-11-04 | Intel Corporation | Task-splitting dual-processor system for motion estimation processing |
| JPH08275160A (ja) * | 1995-03-27 | 1996-10-18 | Internatl Business Mach Corp <Ibm> | 離散余弦変換方法 |
| US6587590B1 (en) * | 1998-02-02 | 2003-07-01 | The Trustees Of The University Of Pennsylvania | Method and system for computing 8×8 DCT/IDCT and a VLSI implementation |
| US6324559B1 (en) * | 1998-10-16 | 2001-11-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Odd-transform fast convolution |
| US6504872B1 (en) * | 2000-07-28 | 2003-01-07 | Zenith Electronics Corporation | Down-conversion decoder for interlaced video |
-
2002
- 2002-09-17 DE DE60210894T patent/DE60210894T2/de not_active Expired - Fee Related
- 2002-09-17 EP EP02078817A patent/EP1303142B1/fr not_active Expired - Lifetime
- 2002-09-17 AT AT02078817T patent/ATE324748T1/de not_active IP Right Cessation
- 2002-09-20 US US10/247,923 patent/US7180946B2/en not_active Expired - Fee Related
- 2002-09-25 KR KR1020020058145A patent/KR20030026904A/ko not_active Withdrawn
- 2002-09-25 JP JP2002279566A patent/JP2003230143A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030026904A (ko) | 2003-04-03 |
| DE60210894T2 (de) | 2006-11-30 |
| DE60210894D1 (de) | 2006-06-01 |
| ATE324748T1 (de) | 2006-05-15 |
| EP1303142A3 (fr) | 2003-04-23 |
| US7180946B2 (en) | 2007-02-20 |
| EP1303142A2 (fr) | 2003-04-16 |
| US20030076882A1 (en) | 2003-04-24 |
| EP1303142B1 (fr) | 2006-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2010001911A1 (ja) | フィルタ装置 | |
| JP5231506B2 (ja) | 低複雑度のビデオ復号器 | |
| CN100340117C (zh) | 照片图象杂波清除方法 | |
| JP2002500455A (ja) | 高速ｉｄｃｔ／ダウンサンプリング複合演算方法および装置 | |
| CN110913219A (zh) | 一种视频帧预测方法、装置及终端设备 | |
| Zummach et al. | High-throughput cdef architecture for the av1 decoder targeting 4k@ 60fps videos | |
| US6181831B1 (en) | Spatial frequency-domain video signal processing | |
| JPH09212484A (ja) | 離散コサイン変換方法 | |
| RU2154917C2 (ru) | Улучшенный способ заключительной обработки и устройство для использования в системе декодирования сигнала изображения | |
| JP2002354481A (ja) | データの後処理及び復号化を一緒に実施する装置 | |
| CN112449187B (zh) | 视频解码方法、编码方法、装置、介质及电子设备 | |
| US6766286B2 (en) | Pyramid filter | |
| JP2003230143A (ja) | 周波数領域のビデオ・データを濾波する回路 | |
| JP4323808B2 (ja) | 二次元ピラミッド・フィルタ・アーキテクチャ | |
| US8180169B2 (en) | System and method for multi-scale sigma filtering using quadrature mirror filters | |
| WO2007072644A1 (ja) | ２次元フィルタ演算装置及び方法 | |
| CN110830806A (zh) | 一种视频帧预测方法、装置及终端设备 | |
| JPH042275A (ja) | 画像信号復号再生装置 | |
| KR100994908B1 (ko) | 디지털 데이터 필터링 회로, 비디오 디코더, 휴대형 장치및 텔레비전 수신기 | |
| JP2004530206A (ja) | 二次元ピラミッド・フィルタ・アーキテクチャ | |
| TWI382768B (zh) | 具有執行重疊濾波以及核心轉換的運算方法及其裝置 | |
| KR20030026898A (ko) | 코드된 비디오 데이터 변환방법 | |
| Palau et al. | Hardware design for the separable symmetric normalized wiener filter of the av1 decoder | |
| JPWO2009130942A1 (ja) | 画像符号化装置および画像復号装置 | |
| US7912310B2 (en) | System and method for scaling multiple channel and interlaced images with different offsets between channels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050921 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050921 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20070418 |
|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20070608 |