WO2003017675A1 - Image encoding apparatus and method - Google Patents
Image encoding apparatus and method Download PDFInfo
- Publication number
- WO2003017675A1 WO2003017675A1 PCT/JP2002/008036 JP0208036W WO03017675A1 WO 2003017675 A1 WO2003017675 A1 WO 2003017675A1 JP 0208036 W JP0208036 W JP 0208036W WO 03017675 A1 WO03017675 A1 WO 03017675A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- encoding apparatus
- quantization
- image encoding
- quantization index
- calculator
- Prior art date
Links
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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/115—Selection of the code volume for a coding unit prior to 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/398,687 US7649940B2 (en) | 2001-08-09 | 2002-08-06 | Image encoding apparatus and method |
KR10-2003-7004951A KR20040030424A (ko) | 2001-08-09 | 2002-08-06 | 화상 부호화 장치 및 방법 |
EP02758789A EP1416736A4 (en) | 2001-08-09 | 2002-08-06 | BILDCODING DEVICE AND METHOD |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-241543 | 2001-08-09 | ||
JP2001241543A JP2003061097A (ja) | 2001-08-09 | 2001-08-09 | 画像符号化装置および方法、記録媒体、並びにプログラム |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003017675A1 true WO2003017675A1 (en) | 2003-02-27 |
Family
ID=19071964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/008036 WO2003017675A1 (en) | 2001-08-09 | 2002-08-06 | Image encoding apparatus and method |
Country Status (6)
Country | Link |
---|---|
US (1) | US7649940B2 (ja) |
EP (1) | EP1416736A4 (ja) |
JP (1) | JP2003061097A (ja) |
KR (1) | KR20040030424A (ja) |
CN (1) | CN1268133C (ja) |
WO (1) | WO2003017675A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3802521B2 (ja) | 2003-09-02 | 2006-07-26 | ソニー株式会社 | 符号化装置、符号化制御方法及び符号化制御プログラム |
JP4650173B2 (ja) * | 2005-09-05 | 2011-03-16 | ソニー株式会社 | 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体 |
JP4529919B2 (ja) * | 2006-02-28 | 2010-08-25 | 日本ビクター株式会社 | 適応量子化装置及び適応量子化プログラム |
CN100405403C (zh) * | 2006-08-03 | 2008-07-23 | 上海交通大学 | 一种数字图像数据编码方法 |
JP4668878B2 (ja) * | 2006-09-22 | 2011-04-13 | Nttエレクトロニクス株式会社 | 符号化装置 |
JP5988577B2 (ja) * | 2011-12-28 | 2016-09-07 | キヤノン株式会社 | 画像符号化装置、画像符号化方法及びプログラム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0818959A (ja) * | 1994-07-04 | 1996-01-19 | Matsushita Electric Ind Co Ltd | 画像信号符号化方法及び画像信号符号化装置 |
JPH08163557A (ja) * | 1994-12-06 | 1996-06-21 | Matsushita Electric Ind Co Ltd | 画像信号符号化方法および画像信号符号化装置 |
JP2000270323A (ja) * | 1999-03-18 | 2000-09-29 | Nec Corp | 画像信号の符号化制御装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3050047B2 (ja) * | 1994-06-24 | 2000-06-05 | 日本ビクター株式会社 | 動画像符号化装置及び動画像符号化方法 |
US6151360A (en) * | 1995-04-28 | 2000-11-21 | Sony Corporation | Method for encoding video signal using statistical information |
JPH1079948A (ja) * | 1996-09-03 | 1998-03-24 | Mitsubishi Electric Corp | 画像符号化装置 |
JPH10174103A (ja) | 1996-12-13 | 1998-06-26 | Matsushita Electric Ind Co Ltd | 画像符号化装置、符号化画像記録媒体、画像復号化装置、画像符号化方法、および符号化画像伝送方法 |
US6167085A (en) * | 1997-07-31 | 2000-12-26 | Sony Corporation | Image data compression |
JP2001197501A (ja) * | 2000-01-07 | 2001-07-19 | Fujitsu Ltd | 動きベクトル探索器及び動きベクトル探索方法並びに動画像符号化装置 |
US6831947B2 (en) * | 2001-03-23 | 2004-12-14 | Sharp Laboratories Of America, Inc. | Adaptive quantization based on bit rate prediction and prediction error energy |
-
2001
- 2001-08-09 JP JP2001241543A patent/JP2003061097A/ja active Pending
-
2002
- 2002-08-06 CN CNB028027809A patent/CN1268133C/zh not_active Expired - Fee Related
- 2002-08-06 KR KR10-2003-7004951A patent/KR20040030424A/ko not_active Application Discontinuation
- 2002-08-06 WO PCT/JP2002/008036 patent/WO2003017675A1/ja active Application Filing
- 2002-08-06 EP EP02758789A patent/EP1416736A4/en not_active Withdrawn
- 2002-08-06 US US10/398,687 patent/US7649940B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0818959A (ja) * | 1994-07-04 | 1996-01-19 | Matsushita Electric Ind Co Ltd | 画像信号符号化方法及び画像信号符号化装置 |
JPH08163557A (ja) * | 1994-12-06 | 1996-06-21 | Matsushita Electric Ind Co Ltd | 画像信号符号化方法および画像信号符号化装置 |
JP2000270323A (ja) * | 1999-03-18 | 2000-09-29 | Nec Corp | 画像信号の符号化制御装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1416736A4 * |
Also Published As
Publication number | Publication date |
---|---|
US7649940B2 (en) | 2010-01-19 |
EP1416736A4 (en) | 2007-10-03 |
CN1473436A (zh) | 2004-02-04 |
US20040066975A1 (en) | 2004-04-08 |
EP1416736A1 (en) | 2004-05-06 |
KR20040030424A (ko) | 2004-04-09 |
JP2003061097A (ja) | 2003-02-28 |
CN1268133C (zh) | 2006-08-02 |
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