AU2001267023A1 - Video size conversion and transcoding from mpeg-2 to mpeg-4 - Google Patents

Video size conversion and transcoding from mpeg-2 to mpeg-4

Info

Publication number
AU2001267023A1
AU2001267023A1 AU2001267023A AU6702301A AU2001267023A1 AU 2001267023 A1 AU2001267023 A1 AU 2001267023A1 AU 2001267023 A AU2001267023 A AU 2001267023A AU 6702301 A AU6702301 A AU 6702301A AU 2001267023 A1 AU2001267023 A1 AU 2001267023A1
Authority
AU
Australia
Prior art keywords
mpeg
transcoding
nxn
size conversion
frame
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.)
Abandoned
Application number
AU2001267023A
Other languages
English (en)
Inventor
Xuemin Chen
Krit Panusopone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Publication of AU2001267023A1 publication Critical patent/AU2001267023A1/en
Abandoned legal-status Critical Current

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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N21/23439—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 for generating different versions
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/137—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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/198—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • 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
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N21/234309—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 transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • 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
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
AU2001267023A 2000-06-09 2001-05-25 Video size conversion and transcoding from mpeg-2 to mpeg-4 Abandoned AU2001267023A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/590,928 US6647061B1 (en) 2000-06-09 2000-06-09 Video size conversion and transcoding from MPEG-2 to MPEG-4
US09/590,928 2000-06-09
PCT/US2001/040811 WO2001095633A2 (en) 2000-06-09 2001-05-25 Video size conversion and transcoding from mpeg-2 to mpeg-4

Publications (1)

Publication Number Publication Date
AU2001267023A1 true AU2001267023A1 (en) 2001-12-17

Family

ID=24364310

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001267023A Abandoned AU2001267023A1 (en) 2000-06-09 2001-05-25 Video size conversion and transcoding from mpeg-2 to mpeg-4

Country Status (12)

Country Link
US (2) US6647061B1 (de)
EP (2) EP1287704B1 (de)
JP (1) JP2004504739A (de)
KR (1) KR100563608B1 (de)
CN (2) CN1210961C (de)
AT (1) ATE309676T1 (de)
AU (1) AU2001267023A1 (de)
CA (1) CA2410573C (de)
DE (1) DE60114812T2 (de)
MX (1) MXPA02012169A (de)
TW (1) TW527837B (de)
WO (1) WO2001095633A2 (de)

Families Citing this family (253)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6983018B1 (en) * 1998-11-30 2006-01-03 Microsoft Corporation Efficient motion vector coding for video compression
US6647061B1 (en) * 2000-06-09 2003-11-11 General Instrument Corporation Video size conversion and transcoding from MPEG-2 to MPEG-4
JP3916382B2 (ja) * 2000-07-07 2007-05-16 沖電気工業株式会社 動画像受信装置
US20030058942A1 (en) * 2001-06-01 2003-03-27 Christian Hentschel Method of running an algorithm and a scalable programmable processing device
FR2813742A1 (fr) * 2000-09-05 2002-03-08 Koninkl Philips Electronics Nv Methode de conversion de flux binaires
US8290062B1 (en) * 2000-09-27 2012-10-16 Intel Corporation Method and apparatus for manipulating MPEG video
JP2002112267A (ja) * 2000-09-28 2002-04-12 Nec Corp 可変解像度復号処理装置
US6934334B2 (en) * 2000-10-02 2005-08-23 Kabushiki Kaisha Toshiba Method of transcoding encoded video data and apparatus which transcodes encoded video data
KR100396892B1 (ko) * 2000-10-05 2003-09-03 삼성전자주식회사 비디오 ｍｐ3 시스템, 축소 비디오데이터 생성장치와생성방법 및 축소 비디오데이터 복원장치 및 복원방법
JP4622077B2 (ja) * 2000-10-11 2011-02-02 ソニー株式会社 画像処理装置及び画像処理方法
JP2002152759A (ja) * 2000-11-10 2002-05-24 Sony Corp 画像情報変換装置および画像情報変換方法
JP4517495B2 (ja) * 2000-11-10 2010-08-04 ソニー株式会社 画像情報変換装置及び画像情報変換方法並びに符号化装置及び符号化方法
KR100433516B1 (ko) * 2000-12-08 2004-05-31 삼성전자주식회사 트랜스코딩 방법
WO2002056598A2 (en) * 2001-01-12 2002-07-18 Koninklijke Philips Electronics N.V. Method and device for scalable video transcoding
EP1231793A1 (de) * 2001-02-09 2002-08-14 STMicroelectronics S.r.l. Verfahren, System und Rechnerprogram zur Abänderung der Syntax, der Auflösung und der Datenrate von MPEG Datenströmen
EP1231794A1 (de) * 2001-02-09 2002-08-14 STMicroelectronics S.r.l. Verfahren, System und Rechnerprogram zur Abänderung der Auflösung von MPEG Datenströmen
US20020176507A1 (en) * 2001-03-26 2002-11-28 Mediatek Inc. Method and an apparatus for reordering a decoded picture sequence using virtual picture
US7602847B1 (en) 2001-03-27 2009-10-13 Vixs Systems, Inc. Device and method for compression of a video stream
US8107524B2 (en) 2001-03-30 2012-01-31 Vixs Systems, Inc. Adaptive bandwidth footprint matching for multiple compressed video streams in a fixed bandwidth network
US7155010B2 (en) * 2001-05-04 2006-12-26 Hewlett-Packard Development Company, L.P. Signal format that facilitates easy scalability of encrypted streams
US6898241B2 (en) * 2001-05-11 2005-05-24 Mitsubishi Electric Research Labs, Inc. Video transcoder with up-sampling
US7170932B2 (en) * 2001-05-11 2007-01-30 Mitsubishi Electric Research Laboratories, Inc. Video transcoder with spatial resolution reduction and drift compensation
US7215708B2 (en) * 2001-05-22 2007-05-08 Koninklijke Philips Electronics N.V. Resolution downscaling of video images
WO2002100112A1 (en) * 2001-06-03 2002-12-12 Seelive Ltd. System and method for rapid video compression
US7103102B2 (en) * 2001-06-29 2006-09-05 Equator Technologies, Inc. Bit stream code lookup table for an MPEG-4 code word
US7675972B1 (en) 2001-07-30 2010-03-09 Vixs Systems, Inc. System and method for multiple channel video transcoding
US6959348B1 (en) 2001-07-30 2005-10-25 Vixs Systems, Inc. Method and system for accessing data
US6981073B2 (en) * 2001-07-31 2005-12-27 Wis Technologies, Inc. Multiple channel data bus control for video processing
US7085320B2 (en) * 2001-07-31 2006-08-01 Wis Technologies, Inc. Multiple format video compression
US7035332B2 (en) * 2001-07-31 2006-04-25 Wis Technologies, Inc. DCT/IDCT with minimum multiplication
US7219173B2 (en) * 2001-07-31 2007-05-15 Micronas Usa, Inc. System for video processing control and scheduling wherein commands are unaffected by signal interrupts and schedule commands are transmitted at precise time
US6970509B2 (en) * 2001-07-31 2005-11-29 Wis Technologies, Inc. Cell array and method of multiresolution motion estimation and compensation
US6996702B2 (en) * 2001-07-31 2006-02-07 Wis Technologies, Inc. Processing unit with cross-coupled ALUs/accumulators and input data feedback structure including constant generator and bypass to reduce memory contention
US20050207663A1 (en) * 2001-07-31 2005-09-22 Weimin Zeng Searching method and system for best matching motion vector
US7184101B2 (en) * 2001-07-31 2007-02-27 Micronas Usa, Inc. Address generation for video processing
US7142251B2 (en) * 2001-07-31 2006-11-28 Micronas Usa, Inc. Video input processor in multi-format video compression system
JP4574090B2 (ja) * 2001-09-21 2010-11-04 三菱電機株式会社 動画データ変換装置および動画データ変換プログラム
US6959042B1 (en) * 2001-10-01 2005-10-25 Cisco Technology, Inc. Methods and apparatus for measuring compressed video signals and applications to statistical remultiplexing
JP2003116104A (ja) * 2001-10-02 2003-04-18 Sony Corp 情報処理装置及び情報処理方法
KR100450939B1 (ko) * 2001-10-23 2004-10-02 삼성전자주식회사 이미지 축소를 위한 스케일-다운 기능을 가지는 압축비디오 복호화기 및 방법
US7139330B1 (en) 2001-10-31 2006-11-21 Vixs Systems, Inc. System for signal mixing and method thereof
US7596127B1 (en) 2001-10-31 2009-09-29 Vixs Systems, Inc. System for allocating data in a communications system and method thereof
US7116712B2 (en) * 2001-11-02 2006-10-03 Koninklijke Philips Electronics, N.V. Apparatus and method for parallel multimedia processing
EP1309181A1 (de) * 2001-11-06 2003-05-07 Thomson Licensing S.A. Gerät, Verfahren und System zur Anpassung von Multimediadaten
US7106715B1 (en) 2001-11-16 2006-09-12 Vixs Systems, Inc. System for providing data to multiple devices and method thereof
US7403564B2 (en) 2001-11-21 2008-07-22 Vixs Systems, Inc. System and method for multiple channel video transcoding
US7356079B2 (en) 2001-11-21 2008-04-08 Vixs Systems Inc. Method and system for rate control during video transcoding
US7165180B1 (en) 2001-11-27 2007-01-16 Vixs Systems, Inc. Monolithic semiconductor device for preventing external access to an encryption key
KR20040054809A (ko) * 2001-11-27 2004-06-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 신호 처리 방법과 그 대응 인코딩 방법 및 장치
US7079190B2 (en) * 2001-12-27 2006-07-18 Zoran Corporation Technique for determining the slope of a field pixel
US7177356B2 (en) * 2002-01-11 2007-02-13 Webtv Networks, Inc. Spatially transcoding a video stream
US7003035B2 (en) 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
US6917945B2 (en) * 2002-02-04 2005-07-12 Microsoft Corporation Encoding and decoding methods and systems
US7596179B2 (en) * 2002-02-27 2009-09-29 Hewlett-Packard Development Company, L.P. Reducing the resolution of media data
US8284844B2 (en) * 2002-04-01 2012-10-09 Broadcom Corporation Video decoding system supporting multiple standards
US7202907B2 (en) 2002-04-09 2007-04-10 Zoran Corporation 2:2 and 3:2 pull-down detection techniques
US7620109B2 (en) * 2002-04-10 2009-11-17 Microsoft Corporation Sub-pixel interpolation in motion estimation and compensation
US7305034B2 (en) * 2002-04-10 2007-12-04 Microsoft Corporation Rounding control for multi-stage interpolation
JP4193406B2 (ja) * 2002-04-16 2008-12-10 三菱電機株式会社 映像データ変換装置および映像データ変換方法
US7277587B2 (en) * 2002-04-26 2007-10-02 Sharp Laboratories Of America, Inc. System and method for lossless video coding
US7310679B1 (en) 2002-04-29 2007-12-18 Vixs Systems Inc. Method and system for transmitting video content while preventing other transmissions in a contention-based network
US7120253B2 (en) 2002-05-02 2006-10-10 Vixs Systems, Inc. Method and system for protecting video data
KR100491530B1 (ko) 2002-05-03 2005-05-27 엘지전자 주식회사 모션 벡터 결정 방법
US7305036B2 (en) * 2002-05-14 2007-12-04 Broadcom Corporation System and method for entropy code preprocessing
US7469012B2 (en) * 2002-05-14 2008-12-23 Broadcom Corporation System and method for transcoding entropy-coded bitstreams
US20040001546A1 (en) * 2002-06-03 2004-01-01 Alexandros Tourapis Spatiotemporal prediction for bidirectionally predictive (B) pictures and motion vector prediction for multi-picture reference motion compensation
JP4275358B2 (ja) * 2002-06-11 2009-06-10 株式会社日立製作所 画像情報変換装置およびビットストリーム変換機ならびに画像情報変換送信方法
JP4346868B2 (ja) * 2002-06-17 2009-10-21 株式会社日立製作所 動画符号化装置、及び動画記録再生装置、及び動画再生装置、及び動画符号化方法ならびに動画記録再生方法
US8311095B2 (en) * 2002-07-17 2012-11-13 Onmobile Global Limited Method and apparatus for transcoding between hybrid video codec bitstreams
US20040057521A1 (en) * 2002-07-17 2004-03-25 Macchina Pty Ltd. Method and apparatus for transcoding between hybrid video CODEC bitstreams
US7154952B2 (en) * 2002-07-19 2006-12-26 Microsoft Corporation Timestamp-independent motion vector prediction for predictive (P) and bidirectionally predictive (B) pictures
US7009655B2 (en) 2002-07-23 2006-03-07 Mediostream, Inc. Method and system for direct recording of video information onto a disk medium
US7379496B2 (en) 2002-09-04 2008-05-27 Microsoft Corporation Multi-resolution video coding and decoding
US7555044B2 (en) * 2002-10-04 2009-06-30 General Instrument Corporation Frequency coefficient scanning paths for coding digital video content
KR100376060B1 (en) * 2002-10-25 2003-03-17 Humax Co Ltd Method and system for re-setting image size using inverse discrete cosine transform
FR2846506B1 (fr) * 2002-10-28 2005-02-11 Philippe Marie Alber Guenebaud Dispositif de trans-compression d'un flux numerique audiovisuel pour l'adapter aux equipements de television existants
US6931061B2 (en) * 2002-11-13 2005-08-16 Sony Corporation Method of real time MPEG-4 texture decoding for a multiprocessor environment
US8009731B2 (en) 2002-11-25 2011-08-30 Panasonic Corporation Motion compensation method, picture coding method and picture decoding method
CN100428791C (zh) * 2002-11-27 2008-10-22 腾研科技股份有限公司 Mpeg数据格式转换方法及使用该方法的解码系统
JP3893350B2 (ja) * 2002-11-29 2007-03-14 キヤノン株式会社 符号化データ変換装置及びその方法
EP1427210B1 (de) * 2002-12-04 2006-08-16 Irdeto Access B.V. Gerät, Datenverteilungssystem mit einem solchen Geräten, Verfahren zur Übertragung von Daten
US7408989B2 (en) 2003-01-16 2008-08-05 Vix5 Systems Inc Method of video encoding using windows and system thereof
JP4676331B2 (ja) * 2003-02-04 2011-04-27 パナソニック株式会社 コード変換方法及びその装置
EP1445958A1 (de) * 2003-02-05 2004-08-11 STMicroelectronics S.r.l. Quanitizierungsverfahren und System zum Beispiel für MPEG-Applikationen und Computerprogramm dafür
EP1447976B1 (de) 2003-02-12 2019-06-19 Irdeto B.V. Verfahren zur Steuerung der Entschlüsselung von mehreren Programmströmen, Empfängersystem und trägbares gesichertes Gerät
US7133452B1 (en) * 2003-02-24 2006-11-07 Vixs Systems, Inc. Method and system for transcoding video data
US7327784B2 (en) * 2003-02-24 2008-02-05 Vixs Systems, Inc. Method and system for transcoding video data
US7606305B1 (en) * 2003-02-24 2009-10-20 Vixs Systems, Inc. Method and system for transcoding video data
US7130350B1 (en) 2003-02-28 2006-10-31 Vixs Systems, Inc. Method and system for encoding and decoding data in a video stream
US7382937B2 (en) * 2003-03-07 2008-06-03 Hewlett-Packard Development Company, L.P. Method and apparatus for re-constructing high-resolution images
US7142601B2 (en) * 2003-04-14 2006-11-28 Mitsubishi Electric Research Laboratories, Inc. Transcoding compressed videos to reducing resolution videos
US7739105B2 (en) 2003-06-13 2010-06-15 Vixs Systems, Inc. System and method for processing audio frames
US9612965B2 (en) * 2003-06-24 2017-04-04 Hewlett-Packard Development Company, L.P. Method and system for servicing streaming media
US20050013498A1 (en) 2003-07-18 2005-01-20 Microsoft Corporation Coding of motion vector information
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
JP4403737B2 (ja) * 2003-08-12 2010-01-27 株式会社日立製作所 信号処理装置及びこれを用いた撮像装置
US7412100B2 (en) * 2003-09-04 2008-08-12 Qualcomm Incorporated Apparatus and method for sub-sampling images in a transform domain
US7616692B2 (en) * 2003-09-07 2009-11-10 Microsoft Corporation Hybrid motion vector prediction for interlaced forward-predicted fields
US7577200B2 (en) * 2003-09-07 2009-08-18 Microsoft Corporation Extended range variable length coding/decoding of differential motion vector information
US8064520B2 (en) 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
US7567617B2 (en) 2003-09-07 2009-07-28 Microsoft Corporation Predicting motion vectors for fields of forward-predicted interlaced video frames
US7822123B2 (en) 2004-10-06 2010-10-26 Microsoft Corporation Efficient repeat padding for hybrid video sequence with arbitrary video resolution
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7623574B2 (en) * 2003-09-07 2009-11-24 Microsoft Corporation Selecting between dominant and non-dominant motion vector predictor polarities
US7620106B2 (en) * 2003-09-07 2009-11-17 Microsoft Corporation Joint coding and decoding of a reference field selection and differential motion vector information
JP2005084321A (ja) * 2003-09-08 2005-03-31 Pioneer Electronic Corp 画像処理装置、その方法、そのプログラム、および、そのプログラムを記録した記録媒体。
US7330509B2 (en) * 2003-09-12 2008-02-12 International Business Machines Corporation Method for video transcoding with adaptive frame rate control
US20050058203A1 (en) * 2003-09-17 2005-03-17 Fernandes Felix C. Transcoders and methods
US7324595B2 (en) * 2003-09-22 2008-01-29 Lsi Logic Corporation Method and/or apparatus for reducing the complexity of non-reference frame encoding using selective reconstruction
US7668396B2 (en) 2003-09-29 2010-02-23 Vixs Systems, Inc. Method and system for noise reduction in an image
US7277101B2 (en) 2003-09-29 2007-10-02 Vixs Systems Inc Method and system for scaling images
JP4470431B2 (ja) * 2003-10-01 2010-06-02 ソニー株式会社 データ処理装置およびその方法
TWI262660B (en) * 2003-11-19 2006-09-21 Inst Information Industry Video transcoder adaptively reducing frame rate
FI115587B (fi) * 2003-12-03 2005-05-31 Nokia Corp Menetelmä ja laitteisto digitaalisen matriisikuvan alaspäin skaalaamiseksi
JP4369857B2 (ja) * 2003-12-19 2009-11-25 パナソニック株式会社 画像符号化装置および画像符号化方法
US7391809B2 (en) * 2003-12-30 2008-06-24 Microsoft Corporation Scalable video transcoding
US8165445B2 (en) * 2004-01-08 2012-04-24 Hewlett-Packard Development Company, L.P. System, method, and computer-readable medium for analyzing an MPEG-formatted file
JP2005214309A (ja) * 2004-01-29 2005-08-11 Nsk Warner Kk フリクションプレート
TWI230547B (en) * 2004-02-04 2005-04-01 Ind Tech Res Inst Low-complexity spatial downscaling video transcoder and method thereof
US7406598B2 (en) 2004-02-17 2008-07-29 Vixs Systems Inc. Method and system for secure content distribution
US7649539B2 (en) 2004-03-10 2010-01-19 Microsoft Corporation Image formats for video capture, processing and display
KR101196429B1 (ko) * 2004-03-12 2012-11-01 삼성전자주식회사 동영상 트랜스코딩 방법 및 그 장치, 이에 사용되는움직임 벡터 보간방법
US7983835B2 (en) 2004-11-03 2011-07-19 Lagassey Paul J Modular intelligent transportation system
US20050232497A1 (en) * 2004-04-15 2005-10-20 Microsoft Corporation High-fidelity transcoding
CA2565645C (en) * 2004-05-04 2012-08-07 Qualcomm Incorporated Method and apparatus to construct bi-directional predicted frames for temporal scalability
DE602005008233D1 (de) * 2004-05-14 2008-08-28 Nxp Bv Einrichtung zur erzeugung aufeinanderfolgender einzelbilder aus verschachtelten codierten einzelbildern
KR100463490B1 (ko) * 2004-06-25 2004-12-30 (주) 포인치 통합 포맷을 가지는 동영상 데이터 생성방법
US8442108B2 (en) * 2004-07-12 2013-05-14 Microsoft Corporation Adaptive updates in motion-compensated temporal filtering
US8340177B2 (en) * 2004-07-12 2012-12-25 Microsoft Corporation Embedded base layer codec for 3D sub-band coding
US8374238B2 (en) 2004-07-13 2013-02-12 Microsoft Corporation Spatial scalability in 3D sub-band decoding of SDMCTF-encoded video
US20060012714A1 (en) * 2004-07-16 2006-01-19 Greenforest Consulting, Inc Dual-scaler architecture for reducing video processing requirements
KR100681258B1 (ko) * 2004-10-02 2007-02-09 삼성전자주식회사 트랜스코딩을 위한 움직임벡터 정밀화 기반 출력움직임벡터 추정방법 및 이를 이용한 트랜스코더
US8243820B2 (en) 2004-10-06 2012-08-14 Microsoft Corporation Decoding variable coded resolution video with native range/resolution post-processing operation
US7839933B2 (en) 2004-10-06 2010-11-23 Microsoft Corporation Adaptive vertical macroblock alignment for mixed frame video sequences
US9071847B2 (en) 2004-10-06 2015-06-30 Microsoft Technology Licensing, Llc Variable coding resolution in video codec
WO2006044227A1 (en) * 2004-10-12 2006-04-27 Aware, Inc. Resource sharing in a telecommunications environment
US20060088105A1 (en) * 2004-10-27 2006-04-27 Bo Shen Method and system for generating multiple transcoded outputs based on a single input
US8199825B2 (en) * 2004-12-14 2012-06-12 Hewlett-Packard Development Company, L.P. Reducing the resolution of media data
US8780957B2 (en) * 2005-01-14 2014-07-15 Qualcomm Incorporated Optimal weights for MMSE space-time equalizer of multicode CDMA system
US7421048B2 (en) 2005-01-20 2008-09-02 Vixs Systems, Inc. System and method for multimedia delivery in a wireless environment
JP2006203682A (ja) * 2005-01-21 2006-08-03 Nec Corp 動画像圧縮符号化ビットストリームシンタックス変換装置及び動画像通信システム
US7609766B2 (en) 2005-02-08 2009-10-27 Vixs Systems, Inc. System of intra-picture complexity preprocessing
EP1880551A4 (de) * 2005-02-24 2011-12-07 Lg Electronics Inc Verfahren zum up- bzw. downsampling von daten eines videoblocks
CN101171843B (zh) * 2005-03-10 2010-10-13 高通股份有限公司 用于多媒体处理的内容分类
US8949920B2 (en) 2005-03-17 2015-02-03 Vixs Systems Inc. System and method for storage device emulation in a multimedia processing system
US7400869B2 (en) 2005-03-22 2008-07-15 Vixs Systems Inc. System and method for adaptive DC offset compensation in wireless transmissions
US8391368B2 (en) * 2005-04-08 2013-03-05 Sri International Macro-block based mixed resolution video compression system
CA2603579A1 (en) * 2005-04-21 2006-10-26 Quartics, Inc. Integrated wireless multimedia transmission system
CN100336400C (zh) * 2005-04-28 2007-09-05 天津大学 色差信号飘移误差校正型异类标准转换编码器
WO2006124885A2 (en) * 2005-05-12 2006-11-23 Kylintv, Inc. Codec for iptv
US9648281B2 (en) 2005-05-23 2017-05-09 Open Text Sa Ulc System and method for movie segment bookmarking and sharing
US8141111B2 (en) 2005-05-23 2012-03-20 Open Text S.A. Movie advertising playback techniques
US8724969B2 (en) 2005-05-23 2014-05-13 Open Text S.A. Method, system and computer program product for editing movies in distributed scalable media environment
US8145528B2 (en) 2005-05-23 2012-03-27 Open Text S.A. Movie advertising placement optimization based on behavior and content analysis
TW200701764A (en) * 2005-06-22 2007-01-01 Lite On Technology Corp Apparatus for multimedia format conversion
US8155194B2 (en) * 2005-08-05 2012-04-10 Lsi Corporation Method and apparatus for MPEG-2 to H.264 video transcoding
US8447121B2 (en) * 2005-09-14 2013-05-21 Microsoft Corporation Efficient integrated digital video transcoding
US20070058713A1 (en) * 2005-09-14 2007-03-15 Microsoft Corporation Arbitrary resolution change downsizing decoder
US8879635B2 (en) * 2005-09-27 2014-11-04 Qualcomm Incorporated Methods and device for data alignment with time domain boundary
US7707485B2 (en) 2005-09-28 2010-04-27 Vixs Systems, Inc. System and method for dynamic transrating based on content
US8654848B2 (en) 2005-10-17 2014-02-18 Qualcomm Incorporated Method and apparatus for shot detection in video streaming
US8948260B2 (en) * 2005-10-17 2015-02-03 Qualcomm Incorporated Adaptive GOP structure in video streaming
US20070171280A1 (en) * 2005-10-24 2007-07-26 Qualcomm Incorporated Inverse telecine algorithm based on state machine
FR2894422A1 (fr) * 2005-12-01 2007-06-08 Thomson Licensing Sas Procede de prediction de donnees mouvement et de texture
FR2894424A1 (fr) * 2005-12-05 2007-06-08 Thomson Licensing Sas Procede de prediction de donnees mouvement et de texture
FR2894423A1 (fr) * 2005-12-05 2007-06-08 Thomson Licensing Sas Procede de prediction de donnees mouvement et de texture
US7956930B2 (en) 2006-01-06 2011-06-07 Microsoft Corporation Resampling and picture resizing operations for multi-resolution video coding and decoding
US7549000B2 (en) * 2006-01-09 2009-06-16 Realtek Semiconductor Corp. Apparatus and method for generating bitstream of S/PDIF data in HDMI
EP1977608B1 (de) * 2006-01-09 2020-01-01 LG Electronics, Inc. Inter-schicht-prädiktionsverfahren für ein videosignal
US8131995B2 (en) 2006-01-24 2012-03-06 Vixs Systems, Inc. Processing feature revocation and reinvocation
CN101009838B (zh) * 2006-01-25 2010-06-16 松下电器产业株式会社 可抑制漂移误差的比特率转换编码方法,转换编码器,及集成电路
JP5193026B2 (ja) * 2006-03-07 2013-05-08 日本電気株式会社 動画像配信システムおよび変換装置
US8599841B1 (en) 2006-03-28 2013-12-03 Nvidia Corporation Multi-format bitstream decoding engine
US8320450B2 (en) 2006-03-29 2012-11-27 Vidyo, Inc. System and method for transcoding between scalable and non-scalable video codecs
US8593469B2 (en) * 2006-03-29 2013-11-26 Nvidia Corporation Method and circuit for efficient caching of reference video data
US9131164B2 (en) * 2006-04-04 2015-09-08 Qualcomm Incorporated Preprocessor method and apparatus
BRPI0709871B1 (pt) 2006-04-12 2019-10-15 Tq Delta, Llc. Retransmissão de pacote e compartilhamento de memória
US20080201751A1 (en) * 2006-04-18 2008-08-21 Sherjil Ahmed Wireless Media Transmission Systems and Methods
US7672377B2 (en) * 2006-04-21 2010-03-02 Dilithium Holdings, Inc. Method and system for video encoding and transcoding
US8880571B2 (en) 2006-05-05 2014-11-04 Microsoft Corporation High dynamic range data format conversions for digital media
US7884742B2 (en) * 2006-06-08 2011-02-08 Nvidia Corporation System and method for efficient compression of digital data
CN101094407B (zh) * 2006-06-23 2011-09-28 美国博通公司 视频电路、视频系统及其视频处理方法
US20080049836A1 (en) * 2006-08-23 2008-02-28 C2 Microsystems Method and System for a Fast Video Transcoder
US8700387B2 (en) * 2006-09-14 2014-04-15 Nvidia Corporation Method and system for efficient transcoding of audio data
CN100544439C (zh) * 2006-11-21 2009-09-23 华为技术有限公司 一种支持多种编码格式的媒体数据的方法及系统
KR100896978B1 (ko) * 2006-11-27 2009-05-14 한양대학교 산학협력단 Ｍｐｅｇ-2에서 ｈ.264/ａｖｃ로의 고속 트랜스코딩에서 움직임 벡터 예측 방법과 모드 예측 방법 및 기록매체
US20080137741A1 (en) * 2006-12-05 2008-06-12 Hari Kalva Video transcoding
US20080212682A1 (en) * 2007-01-25 2008-09-04 Hari Kalva Reduced resolution video transcoding with greatly reduced complexity
US20080205515A1 (en) * 2007-01-25 2008-08-28 Florida Atlantic University Video encoding with reduced complexity
CN100499816C (zh) * 2007-02-12 2009-06-10 清华大学 一种流式视频像素域转码的方法
US8054886B2 (en) 2007-02-21 2011-11-08 Microsoft Corporation Signaling and use of chroma sample positioning information
US20080205389A1 (en) * 2007-02-26 2008-08-28 Microsoft Corporation Selection of transrate and transcode processes by host computer
US8107571B2 (en) 2007-03-20 2012-01-31 Microsoft Corporation Parameterized filters and signaling techniques
KR101403341B1 (ko) * 2007-03-28 2014-06-09 삼성전자주식회사 영상의 부호화, 복호화 방법 및 장치
US20080267295A1 (en) * 2007-04-26 2008-10-30 Chih-Ta Star Sung Video decompression, de-interlacing and frame rate conversion with frame buffer compression
US8254455B2 (en) 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
WO2009034486A2 (en) * 2007-09-10 2009-03-19 Nxp B.V. Method and apparatus for line-based motion estimation in video image data
US8098732B2 (en) * 2007-10-10 2012-01-17 Sony Corporation System for and method of transcoding video sequences from a first format to a second format
US8457958B2 (en) * 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
US20100296572A1 (en) * 2007-12-11 2010-11-25 Kumar Ramaswamy Methods and systems for transcoding within the distributiion chain
US8208745B2 (en) * 2008-01-31 2012-06-26 Analog Devices, Inc. Spatial domain video enhancement/scaling system and method
US8953673B2 (en) 2008-02-29 2015-02-10 Microsoft Corporation Scalable video coding and decoding with sample bit depth and chroma high-pass residual layers
US8711948B2 (en) 2008-03-21 2014-04-29 Microsoft Corporation Motion-compensated prediction of inter-layer residuals
US9571856B2 (en) 2008-08-25 2017-02-14 Microsoft Technology Licensing, Llc Conversion operations in scalable video encoding and decoding
US8213503B2 (en) * 2008-09-05 2012-07-03 Microsoft Corporation Skip modes for inter-layer residual video coding and decoding
US8631454B2 (en) * 2008-09-05 2014-01-14 Motorola Mobility Llc Method and apparatus for constrained distribution of television program material
US8311115B2 (en) 2009-01-29 2012-11-13 Microsoft Corporation Video encoding using previously calculated motion information
US8396114B2 (en) 2009-01-29 2013-03-12 Microsoft Corporation Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming
US8189666B2 (en) 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
WO2010092740A1 (ja) * 2009-02-10 2010-08-19 パナソニック株式会社 画像処理装置、画像処理方法、プログラムおよび集積回路
JP5321895B2 (ja) * 2009-05-27 2013-10-23 ソニー株式会社 情報処理装置および方法
US8270473B2 (en) 2009-06-12 2012-09-18 Microsoft Corporation Motion based dynamic resolution multiple bit rate video encoding
US20110070286A1 (en) * 2009-09-24 2011-03-24 Andreas Hugerth Process for the manufacture of nicotine-comprising chewing gum and nicotine-comprising chewing gum manufactured according to said process
US8340191B2 (en) * 2009-09-25 2012-12-25 General Instrument Corporation Transcoder from first MPEG stream to second MPEG stream
US9289257B2 (en) * 2009-11-13 2016-03-22 Minerva Surgical, Inc. Methods and systems for endometrial ablation utilizing radio frequency
US8290038B1 (en) * 2009-11-30 2012-10-16 Google Inc. Video coding complexity estimation
US20110158310A1 (en) * 2009-12-30 2011-06-30 Nvidia Corporation Decoding data using lookup tables
US8885714B2 (en) * 2010-01-14 2014-11-11 Texas Instruments Incorporated Method and system for intracoding in video encoding
BR112012028184A2 (pt) 2010-05-07 2016-08-02 Nippon Telegraph & Telephone método de controle de codificação de vídeo, aparelho de codificação de vídeo e programa de codificação de vídeo
CA2798354C (en) * 2010-05-12 2016-01-26 Nippon Telegraph And Telephone Corporation A video encoding bit rate control technique using a quantization statistic threshold to determine whether re-encoding of an encoding-order picture group is required
US8744015B2 (en) * 2010-06-04 2014-06-03 Blackberry Limited Message decoding for discretized signal transmissions
US8705616B2 (en) 2010-06-11 2014-04-22 Microsoft Corporation Parallel multiple bitrate video encoding to reduce latency and dependences between groups of pictures
CN101945265B (zh) * 2010-08-19 2013-05-08 北京市博汇科技有限公司 一种基于带宽占用率的多节目恒码率ts流复用方法
WO2012035534A2 (en) 2010-09-17 2012-03-22 I.C.V.T Ltd. Downsizing an encoded image
US9014471B2 (en) * 2010-09-17 2015-04-21 I.C.V.T. Ltd. Method of classifying a chroma downsampling error
US8873884B2 (en) * 2010-10-06 2014-10-28 International Business Machines Corporation Method and system for resizing an image
US8472754B1 (en) 2010-11-11 2013-06-25 Amazon Technologies, Inc. Image artifact prevention
EP2685719B1 (de) 2011-03-09 2019-10-30 Panasonic Intellectual Property Corporation of America Videobilddekodierungsvorrichtung
WO2012120908A1 (ja) 2011-03-09 2012-09-13 パナソニック株式会社 動画像符号化装置および動画像符号化方法
EP2723079A4 (de) 2011-06-15 2015-03-04 Korea Electronics Telecomm Verfahren zum kodieren und dekodieren skalierbarer videoinhalte und vorrichtung dafür
US9591318B2 (en) 2011-09-16 2017-03-07 Microsoft Technology Licensing, Llc Multi-layer encoding and decoding
US10277915B2 (en) 2011-11-07 2019-04-30 Qualcomm Incorporated Signaling quantization matrices for video coding
US11089343B2 (en) 2012-01-11 2021-08-10 Microsoft Technology Licensing, Llc Capability advertisement, configuration and control for video coding and decoding
KR20140131352A (ko) 2012-02-06 2014-11-12 노키아 코포레이션 코딩을 위한 방법 및 장치
TWI481488B (zh) * 2012-04-09 2015-04-21 Intelligence Develop Engineering Aid Ltd 機械手臂操控動作重現方法
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
WO2013173292A1 (en) 2012-05-14 2013-11-21 Motorola Mobility Llc Scalable video coding with enhanced base layer
US9426498B2 (en) 2012-07-10 2016-08-23 Broadcom Corporation Real-time encoding system of multiple spatially scaled video based on shared video coding information
US9307235B2 (en) * 2012-12-03 2016-04-05 Vixs Systems, Inc. Video encoding system with adaptive hierarchical B-frames and method for use therewith
US9743097B2 (en) * 2013-03-01 2017-08-22 Qualcomm Incorporated Spatial motion vector scaling for scalable video coding
US9998750B2 (en) * 2013-03-15 2018-06-12 Cisco Technology, Inc. Systems and methods for guided conversion of video from a first to a second compression format
TWI512675B (zh) * 2013-10-02 2015-12-11 Mstar Semiconductor Inc 影像處理裝置與方法
CN104581175B (zh) * 2013-10-23 2018-01-12 晨星半导体股份有限公司 影像处理装置与方法
US9942560B2 (en) 2014-01-08 2018-04-10 Microsoft Technology Licensing, Llc Encoding screen capture data
US9749642B2 (en) 2014-01-08 2017-08-29 Microsoft Technology Licensing, Llc Selection of motion vector precision
US9774881B2 (en) 2014-01-08 2017-09-26 Microsoft Technology Licensing, Llc Representing motion vectors in an encoded bitstream
FR3016764B1 (fr) * 2014-01-17 2016-02-26 Sagemcom Broadband Sas Procede et dispositif de transcodage de donnees video de h.264 vers h.265
US20160041993A1 (en) * 2014-08-05 2016-02-11 Time Warner Cable Enterprises Llc Apparatus and methods for lightweight transcoding
US10230980B2 (en) * 2015-01-26 2019-03-12 Qualcomm Incorporated Overlapped motion compensation for video coding
WO2016209125A1 (en) * 2015-06-23 2016-12-29 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for transcoding
US11539977B2 (en) * 2018-07-31 2022-12-27 Hfi Innovation Inc. Method and apparatus of merge with motion vector difference for video coding
CN113115037B (zh) * 2021-06-15 2021-09-14 深圳市中鹏教育科技股份有限公司 一种在线教育方法、系统、设备及存储介质

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5887115A (en) 1993-01-13 1999-03-23 Hitachi America, Ltd. Method and apparatus for implementing a video tape recorder for recording digital video signals having either a fixed or variable data transmission rate
US5477397A (en) 1993-02-23 1995-12-19 Matsushita Electric Corporation Of America Digital high definition television receiver with features that facilitate trick-play modes on a digital VCR
KR950014858B1 (ko) 1993-06-04 1995-12-16 대우전자주식회사 디지탈 영상 기록장치
US5617142A (en) 1994-11-08 1997-04-01 General Instrument Corporation Of Delaware Method and apparatus for changing the compression level of a compressed digital signal
US5619733A (en) 1994-11-10 1997-04-08 International Business Machines Corporation Method and apparatus for synchronizing streaming and non-streaming multimedia devices by controlling the play speed of the non-streaming device in response to a synchronization signal
US5832120A (en) * 1995-12-22 1998-11-03 Cirrus Logic, Inc. Universal MPEG decoder with scalable picture size
US5737019A (en) 1996-01-29 1998-04-07 Matsushita Electric Corporation Of America Method and apparatus for changing resolution by direct DCT mapping
US5708732A (en) 1996-03-06 1998-01-13 Hewlett-Packard Company Fast DCT domain downsampling and inverse motion compensation
JP2000508855A (ja) 1996-04-12 2000-07-11 イメディア コーポレイション ビデオ・トランスコーダ
US5933500A (en) 1996-05-31 1999-08-03 Thomson Consumer Electronics, Inc. Adaptive decoding system for processing encrypted and non-encrypted broadcast, cable or satellite video data
US6535530B1 (en) * 1997-07-23 2003-03-18 Matsushita Electric Industrial Co., Ltd. Apparatus and method for demultiplexing multiplexed data
US6445828B1 (en) * 1998-09-28 2002-09-03 Thomson Licensing S.A. Transform domain resizing of an image compressed with field encoded blocks
US6434197B1 (en) * 1999-01-07 2002-08-13 General Instrument Corporation Multi-functional transcoder for compressed bit streams
US6625211B1 (en) 1999-02-25 2003-09-23 Matsushita Electric Industrial Co., Ltd. Method and apparatus for transforming moving picture coding system
US6275536B1 (en) * 1999-06-23 2001-08-14 General Instrument Corporation Implementation architectures of a multi-channel MPEG video transcoder using multiple programmable processors
US6441754B1 (en) * 1999-08-17 2002-08-27 General Instrument Corporation Apparatus and methods for transcoder-based adaptive quantization
JP2001204026A (ja) * 2000-01-21 2001-07-27 Sony Corp 画像情報変換装置及び方法
US6647061B1 (en) * 2000-06-09 2003-11-11 General Instrument Corporation Video size conversion and transcoding from MPEG-2 to MPEG-4

Also Published As

Publication number Publication date
CA2410573C (en) 2007-01-30
JP2004504739A (ja) 2004-02-12
EP1401209A2 (de) 2004-03-24
MXPA02012169A (es) 2003-06-06
WO2001095633A2 (en) 2001-12-13
EP1287704A2 (de) 2003-03-05
US20040013195A1 (en) 2004-01-22
CN1681325A (zh) 2005-10-12
EP1287704B1 (de) 2005-11-09
CN1210961C (zh) 2005-07-13
EP1401209A3 (de) 2004-11-03
CA2410573A1 (en) 2001-12-13
DE60114812D1 (de) 2005-12-15
WO2001095633A3 (en) 2002-08-22
US6647061B1 (en) 2003-11-11
KR100563608B1 (ko) 2006-03-23
CN100380978C (zh) 2008-04-09
KR20030014697A (ko) 2003-02-19
TW527837B (en) 2003-04-11
US7676106B2 (en) 2010-03-09
CN1435056A (zh) 2003-08-06
DE60114812T2 (de) 2006-08-03
ATE309676T1 (de) 2005-11-15

Similar Documents

Publication Publication Date Title
AU2001267023A1 (en) Video size conversion and transcoding from mpeg-2 to mpeg-4
WO2003047265A3 (en) Multiple channel video transcoding
EP0794674A3 (de) Bewegungsausgleich von schnellen DCT
JP3189258B2 (ja) 画像信号符号化方法および画像信号符号化装置、並びに画像信号復号化方法および画像信号復号化装置
EP2458864A3 (de) Verbesserte Interpolation von komprimierten Videobildern
BRPI0414397A (pt) geração de imagem de referência adaptativa
CA2108778A1 (en) Process for coding picture signals
JPH09247679A (ja) スケーラブルｍｐｅｇ２適合ビデオ・エンコーダ
CA2156180A1 (en) Method and apparatus for transcoding a digitally compressed high definition television bitstream to a standard definition television bitstream
JP2008187727A (ja) サブピクセル値補間方法
EP1195993A3 (de) Videosignaltranskodierung
EP1091592A3 (de) Videosignalkodierungsvorrichtung
EP1307054A2 (de) Videodekoder mit einer Verkleinerungfunktion zur Verkleinerung von Bildern und Verfahren dafür
JP3615241B2 (ja) ビデオデータデコーダのアーキテクチャ
WO1998041929A3 (en) Down scaling of images
US7231090B2 (en) Method for performing motion estimation with Walsh-Hadamard transform (WHT)
KR930019025A (ko) 비디오 신호의 전송방법
JP4209134B2 (ja) 圧縮ビットストリームをアップサンプリングする方法および装置
EP1416723A3 (de) Verfahren zur Grössenanderung eines Bildes mittels einer inversen diskreten Cosinustransformation
US20060072846A1 (en) Transformation or inverse transformation method and apparatus capable of transforming or inversely transforming blocks having various sizes
JPH10145788A (ja) 映像再生装置
JPH05236462A (ja) 画像データ処理装置
KR20040073095A (ko) Ｍｐｅｇ／ｊｐｅｇ 인코딩 및 디코딩 장치
JPH10262255A (ja) 画像符号化装置
Mackenzie Codecs: Encoding/decoding images and sounds