DE69329439D1 - Verfahren und Einrichtung zur Kodierung - Google Patents
Verfahren und Einrichtung zur KodierungInfo
- Publication number
- DE69329439D1 DE69329439D1 DE69329439T DE69329439T DE69329439D1 DE 69329439 D1 DE69329439 D1 DE 69329439D1 DE 69329439 T DE69329439 T DE 69329439T DE 69329439 T DE69329439 T DE 69329439T DE 69329439 D1 DE69329439 D1 DE 69329439D1
- Authority
- DE
- Germany
- Prior art keywords
- coding method
- coding
- 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
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
- H04N19/102—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
-
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
-
- 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
-
- 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
- H04N19/134—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
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4150396A JPH05344490A (ja) | 1992-06-10 | 1992-06-10 | 符号化方法および符号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69329439D1 true DE69329439D1 (de) | 2000-10-26 |
DE69329439T2 DE69329439T2 (de) | 2001-03-08 |
Family
ID=15496068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1993629439 Expired - Lifetime DE69329439T2 (de) | 1992-06-10 | 1993-06-09 | Verfahren und Einrichtung zur Kodierung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5956153A (de) |
EP (1) | EP0574244B1 (de) |
JP (1) | JPH05344490A (de) |
DE (1) | DE69329439T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6366614B1 (en) | 1996-10-11 | 2002-04-02 | Qualcomm Inc. | Adaptive rate control for digital video compression |
GB2365240B (en) * | 2000-07-19 | 2002-09-25 | Motorola Inc | Apparatus and method for image transmission |
US7212681B1 (en) * | 2003-01-15 | 2007-05-01 | Cisco Technology, Inc. | Extension of two-dimensional variable length coding for image compression |
US7194137B2 (en) * | 2003-05-16 | 2007-03-20 | Cisco Technology, Inc. | Variable length coding method and apparatus for video compression |
KR100505699B1 (ko) * | 2003-08-12 | 2005-08-03 | 삼성전자주식회사 | 실시간 가변 비트율 제어로 화질을 개선시키는 비디오인코더의 인코딩율 제어기, 이를 구비한 비디오 데이터전송 시스템 및 그 방법 |
US7499595B2 (en) * | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Joint amplitude and position coding for photographic image and video coding |
US7454076B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Hybrid variable length coding method for low bit rate video coding |
US7454073B2 (en) | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks |
US7471841B2 (en) | 2004-06-15 | 2008-12-30 | Cisco Technology, Inc. | Adaptive breakpoint for hybrid variable length coding |
US7499596B2 (en) | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Amplitude coding for clustered transform coefficients |
US7492956B2 (en) * | 2004-08-18 | 2009-02-17 | Cisco Technology, Inc. | Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding |
US7471840B2 (en) * | 2004-08-18 | 2008-12-30 | Cisco Technology, Inc. | Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression |
US7680349B2 (en) * | 2004-08-18 | 2010-03-16 | Cisco Technology, Inc. | Variable length coding for clustered transform coefficients in video compression |
US7620258B2 (en) * | 2004-08-18 | 2009-11-17 | Cisco Technology, Inc. | Extended amplitude coding for clustered transform coefficients |
US7242328B1 (en) | 2006-02-03 | 2007-07-10 | Cisco Technology, Inc. | Variable length coding for sparse coefficients |
US9024958B2 (en) * | 2012-01-30 | 2015-05-05 | Lenovo (Singapore) Pte. Ltd. | Buffering mechanism for camera-based gesturing |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0330455A3 (de) * | 1988-02-22 | 1990-07-04 | Kabushiki Kaisha Toshiba | Vorrichtung zum Kodieren von Bildern |
US4972260A (en) * | 1988-08-22 | 1990-11-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for coding a moving-picture signal |
US5086487A (en) * | 1988-11-24 | 1992-02-04 | Canon Kabushiki Kaisha | Method and apparatus for image encoding in which reference pixels for predictive encoding can be selected based on image size |
JP2946519B2 (ja) * | 1989-02-23 | 1999-09-06 | ミノルタ株式会社 | ファクシミリ装置 |
US5121216A (en) * | 1989-07-19 | 1992-06-09 | Bell Communications Research | Adaptive transform coding of still images |
JPH0761153B2 (ja) * | 1989-10-13 | 1995-06-28 | 松下電器産業株式会社 | 動き補償予測フレーム間符号化装置 |
US5144426A (en) * | 1989-10-13 | 1992-09-01 | Matsushita Electric Industrial Co., Ltd. | Motion compensated prediction interframe coding system |
JPH0761154B2 (ja) * | 1989-10-13 | 1995-06-28 | 松下電器産業株式会社 | 動き補償予測フレーム間符号化装置 |
JPH0761155B2 (ja) * | 1990-01-19 | 1995-06-28 | 松下電器産業株式会社 | 動き補償予測フレーム間符号化装置 |
JP2629409B2 (ja) * | 1990-06-19 | 1997-07-09 | 松下電器産業株式会社 | 動き補償予測フレーム間符号化装置 |
JPH03129987A (ja) * | 1989-10-14 | 1991-06-03 | Sony Corp | 映像信号符号化装置及び映像信号符号化方法 |
US5107345A (en) * | 1990-02-27 | 1992-04-21 | Qualcomm Incorporated | Adaptive block size image compression method and system |
DE69126585T2 (de) * | 1990-09-20 | 1998-01-02 | Nippon Electric Co | Verfahren und Gerät zur Kodierung von bewegten Bildsignalen |
JPH0813138B2 (ja) * | 1990-11-28 | 1996-02-07 | 松下電器産業株式会社 | 画像符号化装置 |
-
1992
- 1992-06-10 JP JP4150396A patent/JPH05344490A/ja active Pending
-
1993
- 1993-06-09 DE DE1993629439 patent/DE69329439T2/de not_active Expired - Lifetime
- 1993-06-09 EP EP19930304471 patent/EP0574244B1/de not_active Expired - Lifetime
-
1995
- 1995-04-26 US US08/427,835 patent/US5956153A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05344490A (ja) | 1993-12-24 |
EP0574244B1 (de) | 2000-09-20 |
EP0574244A2 (de) | 1993-12-15 |
EP0574244A3 (en) | 1994-08-10 |
US5956153A (en) | 1999-09-21 |
DE69329439T2 (de) | 2001-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |