TW200515714A - Method of video compression that accommodates scene changes - Google Patents
Method of video compression that accommodates scene changesInfo
- Publication number
- TW200515714A TW200515714A TW093111091A TW93111091A TW200515714A TW 200515714 A TW200515714 A TW 200515714A TW 093111091 A TW093111091 A TW 093111091A TW 93111091 A TW93111091 A TW 93111091A TW 200515714 A TW200515714 A TW 200515714A
- Authority
- TW
- Taiwan
- Prior art keywords
- frame
- frames
- sequence
- accommodates
- scene change
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
-
- 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
- H04N19/142—Detection of scene cut or scene change
-
- 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
- H04N19/172—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 picture, frame or field
-
- 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
- H04N19/177—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 a group of pictures [GOP]
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/87—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving scene cut or scene change detection in combination with video compression
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/605,746 US20050089232A1 (en) | 2003-10-23 | 2003-10-23 | Method of video compression that accommodates scene changes |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200515714A true TW200515714A (en) | 2005-05-01 |
TWI249291B TWI249291B (en) | 2006-02-11 |
Family
ID=34520367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093111091A TWI249291B (en) | 2003-10-23 | 2004-04-21 | Method of video compression that accommodates scene changes |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050089232A1 (zh) |
CN (1) | CN1301620C (zh) |
TW (1) | TWI249291B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI505046B (zh) * | 2008-01-24 | 2015-10-21 | Jsr Corp | 光阻圖型之形成方法及微細化光阻圖型之樹脂組成物 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7733959B2 (en) * | 2005-06-08 | 2010-06-08 | Institute For Information Industry | Video conversion methods for frame rate reduction |
US20070274385A1 (en) * | 2006-05-26 | 2007-11-29 | Zhongli He | Method of increasing coding efficiency and reducing power consumption by on-line scene change detection while encoding inter-frame |
GB2447058A (en) * | 2007-02-28 | 2008-09-03 | Tandberg Television Asa | Compression of video signals containing fades and flashes |
CN101577823B (zh) * | 2008-05-08 | 2011-05-25 | 宏碁股份有限公司 | 视讯编码方法及编码系统与具有视讯编码功能的摄影装置 |
JP5178311B2 (ja) * | 2008-05-12 | 2013-04-10 | キヤノン株式会社 | 送信装置、送信装置の制御方法、及びプログラム |
CN101686391A (zh) * | 2008-09-22 | 2010-03-31 | 华为技术有限公司 | 视频编码/解码方法、装置与视频播放方法、装置及系统 |
US20100329338A1 (en) * | 2009-06-25 | 2010-12-30 | Qualcomm Incorporated | Low complexity b to p-slice transcoder |
US8345750B2 (en) * | 2009-09-02 | 2013-01-01 | Sony Computer Entertainment Inc. | Scene change detection |
KR101187530B1 (ko) * | 2011-03-02 | 2012-10-02 | 한국과학기술원 | 모노스코픽, 스테레오 스코픽 및 멀티뷰를 위한 렌더링 방법, 시스템 및 이를 위한 기록매체 |
US9489659B1 (en) * | 2012-04-02 | 2016-11-08 | Cisco Technology, Inc. | Progressive sharing during a collaboration session |
US9578333B2 (en) * | 2013-03-15 | 2017-02-21 | Qualcomm Incorporated | Method for decreasing the bit rate needed to transmit videos over a network by dropping video frames |
CN107124610A (zh) * | 2017-04-06 | 2017-09-01 | 浙江大华技术股份有限公司 | 一种视频编码方法及装置 |
CN107948646B (zh) * | 2017-09-26 | 2019-02-05 | 北京字节跳动网络技术有限公司 | 一种视频摘要生成方法与视频再编码方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08163554A (ja) * | 1994-12-02 | 1996-06-21 | Electron & Telecommun Res Inst | ビデオビット率制御方法 |
JPH08242452A (ja) * | 1995-03-02 | 1996-09-17 | Matsushita Electric Ind Co Ltd | 映像信号圧縮符号化装置 |
US5872598A (en) * | 1995-12-26 | 1999-02-16 | C-Cube Microsystems | Scene change detection using quantization scale factor rate control |
US5724100A (en) * | 1996-02-26 | 1998-03-03 | David Sarnoff Research Center, Inc. | Method and apparatus for detecting scene-cuts in a block-based video coding system |
JPH09261648A (ja) * | 1996-03-21 | 1997-10-03 | Fujitsu Ltd | シーンチェンジ検出装置 |
US5978029A (en) * | 1997-10-10 | 1999-11-02 | International Business Machines Corporation | Real-time encoding of video sequence employing two encoders and statistical analysis |
US6351493B1 (en) * | 1998-06-30 | 2002-02-26 | Compaq Computer Corporation | Coding an intra-frame upon detecting a scene change in a video sequence |
JP2002010259A (ja) * | 2000-06-21 | 2002-01-11 | Mitsubishi Electric Corp | 画像符号化装置及び画像符号化方法及び画像符号化プログラムを記録した記録媒体 |
-
2003
- 2003-10-23 US US10/605,746 patent/US20050089232A1/en not_active Abandoned
-
2004
- 2004-04-21 TW TW093111091A patent/TWI249291B/zh not_active IP Right Cessation
- 2004-05-10 CN CNB200410043349XA patent/CN1301620C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI505046B (zh) * | 2008-01-24 | 2015-10-21 | Jsr Corp | 光阻圖型之形成方法及微細化光阻圖型之樹脂組成物 |
Also Published As
Publication number | Publication date |
---|---|
TWI249291B (en) | 2006-02-11 |
CN1610407A (zh) | 2005-04-27 |
CN1301620C (zh) | 2007-02-21 |
US20050089232A1 (en) | 2005-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |