KR100312603B1 - 영상 압축 시스템의 연산의 단계적 성능저하를 위한 방법 - Google Patents
영상 압축 시스템의 연산의 단계적 성능저하를 위한 방법 Download PDFInfo
- Publication number
- KR100312603B1 KR100312603B1 KR1020010022965A KR20010022965A KR100312603B1 KR 100312603 B1 KR100312603 B1 KR 100312603B1 KR 1020010022965 A KR1020010022965 A KR 1020010022965A KR 20010022965 A KR20010022965 A KR 20010022965A KR 100312603 B1 KR100312603 B1 KR 100312603B1
- Authority
- KR
- South Korea
- Prior art keywords
- block
- decoder
- image
- complexity
- transform coefficient
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000006835 compression Effects 0.000 title claims description 5
- 238000007906 compression Methods 0.000 title claims description 5
- 230000015556 catabolic process Effects 0.000 title description 16
- 238000006731 degradation reaction Methods 0.000 title description 16
- 239000013598 vector Substances 0.000 claims description 11
- 238000013139 quantization Methods 0.000 claims description 9
- 230000001131 transforming effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000003993 interaction Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
-
- 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
- H04N19/127—Prioritisation of hardware or computational resources
-
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/134—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
- H04N19/134—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
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- 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
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
-
- 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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234318—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into objects, e.g. MPEG-4 objects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
- H04N21/4545—Input to filtering algorithms, e.g. filtering a region of the image
- H04N21/45452—Input to filtering algorithms, e.g. filtering a region of the image applied to an object-based stream, e.g. MPEG-4 streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
-
- 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
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
- H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (3)
- 영상 오브젝트를 인코딩함으로써 얻어진 압축 코드화 데이터 및 연산의 복잡도와 관련된 정보를 인코딩함으로써 얻은 디스크립터를 포함하는 입력 비트스트림을 수신하는 단계를 포함하는데, 상기 연산의 복잡도는 압축 코드화 데이터를 디코딩하기 위한 복잡도를 나타내며;상기 입력 비트스트림으로부터 디스크립터를 추출하는 단계; 및압축 코드화 데이터를 디코드하는 단계를 포함하는 것을 특징으로 하는 입력 비트스트림 디코딩방법.
- 제1항에 있어서, 상기 입력 비트스트림내의 압축 코드화 표시로부터 서브영역의 위치 및 치수를 엔트로피 디코딩하는 단계;디코드될 인터레스트(interest)의 서브영역내에 있는 블록만을 선택하는 단계;양자화 변환계수를 얻도록 압축 코드화 표시를 엔트로피 디코딩하는 단계;공간영역 움직임 압축 예측차를 얻도록 변환계수를 역변환하는 단계;상기 입력 비트스트림내의 압축 코드화 표시로부터 움직임 벡터를 엔트로피 디코딩하는 단계;적어도 임의 블록과 동일 수적인 순서를 갖는 서브영역에 속하는 재구성 화상으로부터 픽셀만을 이용하여 상기 블록에 대한 움직임 보상을 실행하는 단계; 및화상을 재구성하고 프레임 메모리내에 상기 화상을 저장하여 다음 화상을 예측하는 단계를 추가로 포함하는 것을 특징으로 하는 디코딩방법.
- 제1항에 있어서, 상기 입력 비트스트림내의 압축 코드화 표시로부터 서브영역의 위치 및 치수를 엔트로피 디코딩하는 단계;디코드될 인터레스트의 서브영역내에 있는 블록만을 선택하는 단계;양자화 변환계수를 얻도록 압축 코드화 표시를 엔트로피 디코딩하는 단계;적어도 임의 블록과 동일 수적인 순서를 갖는 서브영역에 속하는 좌측 위의 블록으로부터 그에 대응하는 양자화 변환계수만을 이용하여 상기 블록에 대한 양자화 변환계수 예측을 실행하는 단계; 및구한 변환계수에 대응하는 양자화 변환계수를 역양자화하는 단계;공간영역 픽셀값을 얻도록 변환계수를 역변환하는 단계;화상을 재구성하고 프레임 메모리내에 상기 화상을 저장하여 다음 화상을 예측하는 단계를 추가로 포함하는 것을 특징으로 하는 디코딩방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG1997003861A SG116400A1 (en) | 1997-10-24 | 1997-10-24 | A method for computational graceful degradation inan audiovisual compression system. |
SG9703861-6 | 1997-10-24 | ||
KR1019980044562A KR100312602B1 (ko) | 1997-10-24 | 1998-10-23 | 영상압축시스템의연산의단계적성능저하를위한방법 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980044562A Division KR100312602B1 (ko) | 1997-10-24 | 1998-10-23 | 영상압축시스템의연산의단계적성능저하를위한방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010070539A KR20010070539A (ko) | 2001-07-25 |
KR100312603B1 true KR100312603B1 (ko) | 2001-11-08 |
Family
ID=20429767
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010022966A KR100312604B1 (ko) | 1997-10-24 | 2001-04-27 | 영상 압축 시스템의 연산의 단계적 성능저하를 위한 방법 |
KR1020010022965A KR100312603B1 (ko) | 1997-10-24 | 2001-04-27 | 영상 압축 시스템의 연산의 단계적 성능저하를 위한 방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010022966A KR100312604B1 (ko) | 1997-10-24 | 2001-04-27 | 영상 압축 시스템의 연산의 단계적 성능저하를 위한 방법 |
Country Status (7)
Country | Link |
---|---|
US (5) | US6408096B2 (ko) |
EP (3) | EP1187490B1 (ko) |
JP (2) | JP3425377B2 (ko) |
KR (2) | KR100312604B1 (ko) |
CN (3) | CN1147152C (ko) |
DE (3) | DE69803821T2 (ko) |
SG (1) | SG116400A1 (ko) |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1201587C (zh) * | 1998-05-20 | 2005-05-11 | 皇家菲利浦电子有限公司 | 块一编制数据的编码 |
SE513353C2 (sv) * | 1998-10-21 | 2000-08-28 | Ericsson Telefon Ab L M | Partiell hämtning av bilder i den komprimerade domänen |
US6498816B1 (en) * | 1999-09-03 | 2002-12-24 | Equator Technologies, Inc. | Circuit and method for formatting each of a series of encoded video images into respective regions |
US7194032B1 (en) | 1999-09-03 | 2007-03-20 | Equator Technologies, Inc. | Circuit and method for modifying a region of an encoded image |
GB2356997A (en) * | 1999-12-02 | 2001-06-06 | Sony Uk Ltd | Video signal processing |
US6674800B1 (en) * | 2000-08-29 | 2004-01-06 | Koninklijke Philips Electronics N.V. | Method and system for utilizing a global optimal approach of scalable algorithms |
US6904094B1 (en) * | 2000-09-20 | 2005-06-07 | General Instrument Corporation | Processing mode selection for channels in a video multi-processor system |
US6631163B1 (en) * | 2000-11-14 | 2003-10-07 | Koninklijke Philips Electronics N.V. | Dynamic adaptation of complexity in an MPEG-2 scalable decoder |
US6961383B1 (en) * | 2000-11-22 | 2005-11-01 | At&T Corp. | Scalable video encoder/decoder with drift control |
US6765964B1 (en) * | 2000-12-06 | 2004-07-20 | Realnetworks, Inc. | System and method for intracoding video data |
US6925126B2 (en) * | 2001-04-18 | 2005-08-02 | Koninklijke Philips Electronics N.V. | Dynamic complexity prediction and regulation of MPEG2 decoding in a media processor |
US6782054B2 (en) * | 2001-04-20 | 2004-08-24 | Koninklijke Philips Electronics, N.V. | Method and apparatus for motion vector estimation |
US6947598B2 (en) * | 2001-04-20 | 2005-09-20 | Front Porch Digital Inc. | Methods and apparatus for generating, including and using information relating to archived audio/video data |
US7110664B2 (en) | 2001-04-20 | 2006-09-19 | Front Porch Digital, Inc. | Methods and apparatus for indexing and archiving encoded audio-video data |
US7035468B2 (en) | 2001-04-20 | 2006-04-25 | Front Porch Digital Inc. | Methods and apparatus for archiving, indexing and accessing audio and video data |
JP4157686B2 (ja) * | 2001-05-15 | 2008-10-01 | 株式会社モノリス | 画像符号化および復号のための方法および装置 |
US6940904B2 (en) * | 2001-05-29 | 2005-09-06 | Broadcom Corporation | Artifact-free displaying of MPEG-2 video in the progressive-refresh mode |
US7483581B2 (en) | 2001-07-02 | 2009-01-27 | Qualcomm Incorporated | Apparatus and method for encoding digital image data in a lossless manner |
US6704362B2 (en) | 2001-07-06 | 2004-03-09 | Koninklijke Philips Electronics N.V. | Resource scalable decoding |
KR100440953B1 (ko) * | 2001-08-18 | 2004-07-21 | 삼성전자주식회사 | 영상 압축 비트 스트림의 트랜스코딩 방법 |
US7646816B2 (en) * | 2001-09-19 | 2010-01-12 | Microsoft Corporation | Generalized reference decoder for image or video processing |
US7039113B2 (en) * | 2001-10-16 | 2006-05-02 | Koninklijke Philips Electronics N.V. | Selective decoding of enhanced video stream |
FR2832581A1 (fr) * | 2001-11-21 | 2003-05-23 | Canon Kk | Procede et dispositif de determination d'au moins un parametre de codage de donnees multimedia |
WO2003045068A2 (en) * | 2001-11-21 | 2003-05-30 | Canon Kabushiki Kaisha | Method and device for determining at least one multimedia data encoding parameter |
US20050114887A1 (en) * | 2002-03-08 | 2005-05-26 | Gelissen Johan H.A. | Quality of video |
US7660356B2 (en) * | 2002-10-02 | 2010-02-09 | Lsi Corporation | Compressed video format with partial picture representation |
EP1414273A1 (en) * | 2002-10-22 | 2004-04-28 | Koninklijke Philips Electronics N.V. | Embedded data signaling |
JP2006511159A (ja) * | 2002-12-20 | 2006-03-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | マルチメディアを安全に頒布するための階層スキーム |
US7380028B2 (en) * | 2003-06-13 | 2008-05-27 | Microsoft Corporation | Robust delivery of video data |
US20040252762A1 (en) * | 2003-06-16 | 2004-12-16 | Pai R. Lakshmikanth | System, method, and apparatus for reducing memory and bandwidth requirements in decoder system |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7961786B2 (en) * | 2003-09-07 | 2011-06-14 | Microsoft Corporation | Signaling field type information |
US8345754B2 (en) * | 2003-09-07 | 2013-01-01 | Microsoft Corporation | Signaling buffer fullness |
US8582659B2 (en) | 2003-09-07 | 2013-11-12 | Microsoft Corporation | Determining a decoding time stamp from buffer fullness |
US8107531B2 (en) * | 2003-09-07 | 2012-01-31 | Microsoft Corporation | Signaling and repeat padding for skip frames |
US7388620B2 (en) * | 2003-10-23 | 2008-06-17 | Sony Corporation | Method and system for pan-scan using motion vectors presentation |
US20070110157A1 (en) * | 2003-10-27 | 2007-05-17 | Koninklijke Philips Electronics N.V. | Power optimized collocated motion estimation method |
US20060026217A1 (en) | 2004-06-25 | 2006-02-02 | Lindner James A | Method and system for automated migration of media archives |
JP2006014086A (ja) * | 2004-06-28 | 2006-01-12 | Canon Inc | 動画像符号化装置及び動画像符号化方法 |
US20060104356A1 (en) * | 2004-11-15 | 2006-05-18 | Microsoft Corporation | Timing for decoder buffer examination |
WO2006067731A1 (en) * | 2004-12-22 | 2006-06-29 | Koninklijke Philips Electronics N.V. | Video stream modifier |
US7924915B2 (en) * | 2005-01-28 | 2011-04-12 | Broadcom Corporation | Method and system for encoding video data |
CN1977538A (zh) * | 2005-03-03 | 2007-06-06 | 皇家飞利浦电子股份有限公司 | 用于消费品中mpeg译码器的自适应后退*** |
US8929464B2 (en) * | 2005-03-25 | 2015-01-06 | Sharp Laboratories Of America, Inc. | Video entropy decoding with graceful degradation |
US9560349B2 (en) | 2005-04-19 | 2017-01-31 | Koninklijke Philips N.V. | Embedded data signaling |
JP2007043651A (ja) | 2005-07-05 | 2007-02-15 | Ntt Docomo Inc | 動画像符号化装置、動画像符号化方法、動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム |
EP1911278A2 (en) | 2005-08-04 | 2008-04-16 | Nds Limited | Advanced digital tv system |
JP4415978B2 (ja) * | 2006-08-02 | 2010-02-17 | ソニー株式会社 | 画像信号処理装置、画像信号処理方法 |
US8515194B2 (en) * | 2007-02-21 | 2013-08-20 | Microsoft Corporation | Signaling and uses of windowing information for images |
FR2915342A1 (fr) * | 2007-04-20 | 2008-10-24 | Canon Kk | Procede et dispositif de codage video |
US8948822B2 (en) | 2008-04-23 | 2015-02-03 | Qualcomm Incorporated | Coordinating power management functions in a multi-media device |
US8908763B2 (en) * | 2008-06-25 | 2014-12-09 | Qualcomm Incorporated | Fragmented reference in temporal compression for video coding |
US8964828B2 (en) | 2008-08-19 | 2015-02-24 | Qualcomm Incorporated | Power and computational load management techniques in video processing |
US8948270B2 (en) * | 2008-08-19 | 2015-02-03 | Qualcomm Incorporated | Power and computational load management techniques in video processing |
US9654792B2 (en) | 2009-07-03 | 2017-05-16 | Intel Corporation | Methods and systems for motion vector derivation at a video decoder |
EP2779655B1 (en) | 2010-01-06 | 2019-05-22 | Dolby Laboratories Licensing Corporation | Complexity-adaptive scalable decoding and streaming for multi-layered video systems |
US20110310956A1 (en) * | 2010-06-22 | 2011-12-22 | Jian-Liang Lin | Methods for controlling video decoder to selectively skip one or more video frames and related signal processing apparatuses thereof |
US20120163456A1 (en) * | 2010-12-22 | 2012-06-28 | Qualcomm Incorporated | Using a most probable scanning order to efficiently code scanning order information for a video block in video coding |
US9195675B2 (en) * | 2011-02-24 | 2015-11-24 | A9.Com, Inc. | Decoding of variable-length data with group formats |
KR101968700B1 (ko) | 2011-03-09 | 2019-04-12 | 지멘스 악티엔게젤샤프트 | 디지털화된 이미지들의 시퀀스를 코딩하기 위한 방법 |
WO2013001730A1 (ja) | 2011-06-30 | 2013-01-03 | 三菱電機株式会社 | 画像符号化装置、画像復号装置、画像符号化方法および画像復号方法 |
US10045089B2 (en) | 2011-08-02 | 2018-08-07 | Apple Inc. | Selection of encoder and decoder for a video communications session |
US8781238B2 (en) * | 2011-09-08 | 2014-07-15 | Dolby Laboratories Licensing Corporation | Efficient decoding and post-processing of high dynamic range images |
AR091515A1 (es) * | 2012-06-29 | 2015-02-11 | Sony Corp | Dispositivo y metodo para el procesamiento de imagenes |
CN105519117A (zh) * | 2013-09-06 | 2016-04-20 | 三菱电机株式会社 | 动态图像编码装置、动态图像转码装置、动态图像编码方法、动态图像转码方法以及动态图像流传输*** |
US10264269B2 (en) * | 2014-10-13 | 2019-04-16 | Apple Inc. | Metadata hints to support best effort decoding for green MPEG applications |
KR102543444B1 (ko) * | 2017-08-29 | 2023-06-13 | 삼성전자주식회사 | 영상 부호화 장치 |
CN113542871B (zh) * | 2021-07-06 | 2023-05-26 | 腾讯科技(深圳)有限公司 | 解码方法及装置、电子设备、计算机可读存储介质 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8828499D0 (en) * | 1988-12-07 | 1989-01-11 | British Telecomm | Data compression |
US5128756A (en) * | 1990-12-11 | 1992-07-07 | At&T Bell Laboratories | High definition television coding arrangement with graceful degradation |
US5212742A (en) * | 1991-05-24 | 1993-05-18 | Apple Computer, Inc. | Method and apparatus for encoding/decoding image data |
US5402146A (en) * | 1992-10-23 | 1995-03-28 | International Business Machines Corporation | System and method for video compression with artifact dispersion control |
US5537551A (en) * | 1992-11-18 | 1996-07-16 | Denenberg; Jeffrey N. | Data compression method for use in a computerized informational and transactional network |
EP0888012B1 (en) * | 1993-03-25 | 2005-06-01 | Sony Corporation | Moving picture coding and decoding |
US6026088A (en) * | 1993-10-20 | 2000-02-15 | Lsi Logic Corporation | Network architecture |
US5434913A (en) * | 1993-11-24 | 1995-07-18 | Intel Corporation | Audio subsystem for computer-based conferencing system |
US5512939A (en) | 1994-04-06 | 1996-04-30 | At&T Corp. | Low bit rate audio-visual communication system having integrated perceptual speech and video coding |
US5852669A (en) | 1994-04-06 | 1998-12-22 | Lucent Technologies Inc. | Automatic face and facial feature location detection for low bit rate model-assisted H.261 compatible coding of video |
JP2945842B2 (ja) * | 1994-04-13 | 1999-09-06 | 株式会社東芝 | データ記録方法、データ再生装置及びデータ再生方法 |
US5608458A (en) * | 1994-10-13 | 1997-03-04 | Lucent Technologies Inc. | Method and apparatus for a region-based approach to coding a sequence of video images |
US5978514A (en) | 1994-11-10 | 1999-11-02 | Kabushiki Kaisha Toshiba | Image data coding and decoding system for efficiently compressing information using the shape and position of the image content |
JPH08294119A (ja) * | 1995-04-21 | 1996-11-05 | Toshiba Corp | 画像符号化/復号化装置 |
US5757967A (en) * | 1995-10-19 | 1998-05-26 | Ibm Corporation | Digital video decoder and deinterlacer, format/frame rate converter with common memory |
US6002802A (en) * | 1995-10-27 | 1999-12-14 | Kabushiki Kaisha Toshiba | Video encoding and decoding apparatus |
US5719632A (en) * | 1996-01-25 | 1998-02-17 | Ibm Corporation | Motion video compression system with buffer empty/fill look-ahead bit allocation |
US5832490A (en) * | 1996-05-31 | 1998-11-03 | Siemens Medical Systems, Inc. | Lossless data compression technique that also facilitates signal analysis |
US6072830A (en) * | 1996-08-09 | 2000-06-06 | U.S. Robotics Access Corp. | Method for generating a compressed video signal |
US6005980A (en) * | 1997-03-07 | 1999-12-21 | General Instrument Corporation | Motion estimation and compensation of video object planes for interlaced digital video |
US5990958A (en) * | 1997-06-17 | 1999-11-23 | National Semiconductor Corporation | Apparatus and method for MPEG video decompression |
KR100248404B1 (ko) * | 1997-09-04 | 2000-03-15 | 정선종 | 다중 객체 환경에서 우선 순위 정보를 이용한 순화적 계산량 감소 방법 |
US6137837A (en) * | 1998-01-23 | 2000-10-24 | Motorola, Inc. | Motion estimation for digital video with reduced number of search window pixels |
US6167084A (en) * | 1998-08-27 | 2000-12-26 | Motorola, Inc. | Dynamic bit allocation for statistical multiplexing of compressed and uncompressed digital video signals |
-
1997
- 1997-10-24 SG SG1997003861A patent/SG116400A1/en unknown
-
1998
- 1998-10-20 JP JP29814198A patent/JP3425377B2/ja not_active Expired - Lifetime
- 1998-10-21 EP EP20010128012 patent/EP1187490B1/en not_active Expired - Lifetime
- 1998-10-21 EP EP19980119908 patent/EP0912063B1/en not_active Expired - Lifetime
- 1998-10-21 DE DE69803821T patent/DE69803821T2/de not_active Expired - Lifetime
- 1998-10-21 DE DE69810669T patent/DE69810669T2/de not_active Expired - Lifetime
- 1998-10-21 US US09/176,104 patent/US6408096B2/en not_active Expired - Lifetime
- 1998-10-21 DE DE69810670T patent/DE69810670T2/de not_active Expired - Lifetime
- 1998-10-21 EP EP20010118323 patent/EP1154650B1/en not_active Expired - Lifetime
- 1998-10-26 CN CNB011187891A patent/CN1147152C/zh not_active Expired - Lifetime
- 1998-10-26 CN CNB981205771A patent/CN1155252C/zh not_active Expired - Lifetime
- 1998-10-26 CN CNB011187867A patent/CN1146244C/zh not_active Expired - Lifetime
-
2001
- 2001-01-02 US US09/750,706 patent/US6408099B2/en not_active Expired - Lifetime
- 2001-01-02 US US09/750,696 patent/US6421465B2/en not_active Expired - Lifetime
- 2001-04-27 KR KR1020010022966A patent/KR100312604B1/ko not_active IP Right Cessation
- 2001-04-27 KR KR1020010022965A patent/KR100312603B1/ko not_active IP Right Cessation
- 2001-07-12 JP JP2001212177A patent/JP3425435B2/ja not_active Expired - Lifetime
-
2002
- 2002-03-08 US US10/092,467 patent/US6480628B2/en not_active Expired - Lifetime
- 2002-05-20 US US10/147,988 patent/US6563954B2/en not_active Expired - Lifetime
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100312603B1 (ko) | 영상 압축 시스템의 연산의 단계적 성능저하를 위한 방법 | |
US6785331B1 (en) | Predictive encoding and decoding methods of video data | |
JP4109113B2 (ja) | ビデオ伝送におけるビットストリーム間の切換 | |
US6687296B1 (en) | Apparatus and method for transforming picture information | |
US20030095603A1 (en) | Reduced-complexity video decoding using larger pixel-grid motion compensation | |
KR100680452B1 (ko) | 움직임 벡터 메모리의 갱신방법 및 장치 | |
JP2006521771A (ja) | ハイブリッドレートコントローラーを備えるデジタルストリームトランスコーダー | |
KR20040047977A (ko) | 공간적으로 스케일가능한 압축 | |
JP2005510983A (ja) | ビデオ画像のグローバル動き補償 | |
KR20010021879A (ko) | 코딩 시스템의 매크로 블록 기반 비율을 제어하기 위한장치 및 방법 | |
US20040081237A1 (en) | Transcoder system for compressed digital video bitstreams | |
KR100364748B1 (ko) | 영상 변환 부호화 장치 | |
KR100394014B1 (ko) | 영상 변환 부호화 장치 | |
KR100312602B1 (ko) | 영상압축시스템의연산의단계적성능저하를위한방법 | |
EP0892559A1 (en) | Padding of object border blocks for motion estimation and transform coding in an object-oriented video coder | |
KR19980028347A (ko) | 움직임예측 및 시차예측을 적용하는 경우의 화질열화억제를 위한 입체동영상의 압축방법 | |
JP2004032300A (ja) | 動画像圧縮符号化装置 | |
Onishi | MPEG-4 VIDEO ENCODER IMPLEMENTATION IN JAVA | |
JP2001145108A (ja) | 画像情報変換装置及び方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A107 | Divisional application of patent | ||
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120924 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20130924 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20140923 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20150917 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20160922 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20170920 Year of fee payment: 17 |
|
FPAY | Annual fee payment |
Payment date: 20180905 Year of fee payment: 18 |
|
EXPY | Expiration of term |