FI107108B - Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä - Google Patents

Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä Download PDF

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Publication number
FI107108B
FI107108B FI982402A FI982402A FI107108B FI 107108 B FI107108 B FI 107108B FI 982402 A FI982402 A FI 982402A FI 982402 A FI982402 A FI 982402A FI 107108 B FI107108 B FI 107108B
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FI
Finland
Prior art keywords
reference value
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macroblock
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coefficients
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Application number
FI982402A
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English (en)
Finnish (fi)
Swedish (sv)
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FI982402A0 (fi
FI982402A (fi
Inventor
Ari Hourunranta
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI982402A priority Critical patent/FI107108B/fi
Publication of FI982402A0 publication Critical patent/FI982402A0/fi
Priority to EP99120462A priority patent/EP0999709B1/en
Priority to DE69930574T priority patent/DE69930574T2/de
Priority to JP31504199A priority patent/JP4440392B2/ja
Publication of FI982402A publication Critical patent/FI982402A/fi
Application granted granted Critical
Publication of FI107108B publication Critical patent/FI107108B/fi
Priority to US10/695,722 priority patent/US7408991B2/en

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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
    • H04N19/527—Global motion vector 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI982402A 1998-11-05 1998-11-05 Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä FI107108B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI982402A FI107108B (fi) 1998-11-05 1998-11-05 Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä
EP99120462A EP0999709B1 (en) 1998-11-05 1999-10-14 Error detection in low bit-rate video transmission
DE69930574T DE69930574T2 (de) 1998-11-05 1999-10-14 Fehlererkennung in einer niedrigen Bitrate Videoübertragung
JP31504199A JP4440392B2 (ja) 1998-11-05 1999-11-05 圧縮ビデオ・データ復号化方法及び装置
US10/695,722 US7408991B2 (en) 1998-11-05 2003-10-28 Error detection in low bit-rate video transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982402A FI107108B (fi) 1998-11-05 1998-11-05 Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä
FI982402 1998-11-05

Publications (3)

Publication Number Publication Date
FI982402A0 FI982402A0 (fi) 1998-11-05
FI982402A FI982402A (fi) 2000-05-06
FI107108B true FI107108B (fi) 2001-05-31

Family

ID=8552855

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982402A FI107108B (fi) 1998-11-05 1998-11-05 Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä

Country Status (5)

Country Link
US (1) US7408991B2 (ja)
EP (1) EP0999709B1 (ja)
JP (1) JP4440392B2 (ja)
DE (1) DE69930574T2 (ja)
FI (1) FI107108B (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107108B (fi) * 1998-11-05 2001-05-31 Nokia Mobile Phones Ltd Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä
US6983078B2 (en) * 2001-05-01 2006-01-03 Hewlett-Packard Development Company, L.P. System and method for improving image quality in processed images
DE60220047T2 (de) * 2001-05-29 2008-01-10 Koninklijke Philips Electronics N.V. Verfahren und einrichtung zum verbergen von fehlern
FR2848768B1 (fr) * 2002-12-17 2005-04-15 France Telecom Procede de filtrage des artefacts causes par des erreurs de bits dans un flux video code a base de bloc
KR20050015723A (ko) * 2003-08-07 2005-02-21 삼성전자주식회사 동영상 화면 재생시 발생하는 불량 요소 검출 장치 및검출 방법
JP2005117196A (ja) * 2003-10-03 2005-04-28 Matsushita Electric Ind Co Ltd 映像符号化方法
KR101108681B1 (ko) * 2005-01-19 2012-01-25 삼성전자주식회사 동영상 코덱에서의 주파수 변환 계수 예측 방법 및 장치,이를 구비한 부호화 및 복호화 장치와 방법
KR101221913B1 (ko) * 2006-12-20 2013-01-15 엘지전자 주식회사 디지털 방송 시스템 및 데이터 처리 방법
WO2008144004A1 (en) 2007-05-16 2008-11-27 Thomson Licensing Apparatus and method for encoding and decoding signals
MX2010004146A (es) 2007-10-15 2010-05-17 Thomson Licensing Aparatos y metodos para codificar y decodificar se?ales.
KR101513283B1 (ko) 2007-10-15 2015-04-17 톰슨 라이센싱 버스트 모드 활동을 통신하기 위한 장치 및 방법
US9848209B2 (en) * 2008-04-02 2017-12-19 Microsoft Technology Licensing, Llc Adaptive error detection for MPEG-2 error concealment
US9924184B2 (en) * 2008-06-30 2018-03-20 Microsoft Technology Licensing, Llc Error detection, protection and recovery for video decoding
US9788018B2 (en) * 2008-06-30 2017-10-10 Microsoft Technology Licensing, Llc Error concealment techniques in video decoding
CN102301390B (zh) 2008-09-26 2015-03-25 汤姆森特许公司 抗共谋的水印生成方法
US9131241B2 (en) * 2008-11-25 2015-09-08 Microsoft Technology Licensing, Llc Adjusting hardware acceleration for video playback based on error detection
US8582645B2 (en) * 2009-06-11 2013-11-12 Texas Instruments Incorporated Reducing flicker in the display of video streams
US8340510B2 (en) 2009-07-17 2012-12-25 Microsoft Corporation Implementing channel start and file seek for decoder
KR101345098B1 (ko) * 2009-12-18 2013-12-26 한국전자통신연구원 실시간 영상품질 측정 장치 및 방법
US9681141B2 (en) * 2011-02-08 2017-06-13 Texas Instruments Incorporated Error detection on variable length code decoder
US9591304B2 (en) * 2011-11-08 2017-03-07 Tektronix, Inc. Evaluation of perceptual visual quality
US11553211B2 (en) * 2013-01-03 2023-01-10 Disney Enterprises, Inc. Heuristic detection of potential digital media artifacts and defects in digital media assets
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
JP6222854B2 (ja) * 2013-10-23 2017-11-01 株式会社Ｋ−Ｗｉｌｌ 映像検査方法及び音声検査方法
US11871036B2 (en) * 2020-09-24 2024-01-09 Korea University Research And Business Foundation Apparatus and method for compressing JPEG images

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04320160A (ja) * 1991-04-19 1992-11-10 Matsushita Electric Ind Co Ltd 画像信号圧縮伸長装置および領域識別処理装置
JPH04358486A (ja) * 1991-06-04 1992-12-11 Toshiba Corp 高能率符号化信号処理装置
US5517327A (en) * 1993-06-30 1996-05-14 Minolta Camera Kabushiki Kaisha Data processor for image data using orthogonal transformation
US5745169A (en) * 1993-07-19 1998-04-28 British Telecommunications Public Limited Company Detecting errors in video images
US5598514A (en) * 1993-08-09 1997-01-28 C-Cube Microsystems Structure and method for a multistandard video encoder/decoder
US5621467A (en) * 1995-02-16 1997-04-15 Thomson Multimedia S.A. Temporal-spatial error concealment apparatus and method for video signal processors
US5708732A (en) * 1996-03-06 1998-01-13 Hewlett-Packard Company Fast DCT domain downsampling and inverse motion compensation
FI107108B (fi) * 1998-11-05 2001-05-31 Nokia Mobile Phones Ltd Virheen ilmaiseminen alhaisen bittinopeuden videolähetyksessä

Also Published As

Publication number Publication date
DE69930574D1 (de) 2006-05-18
EP0999709B1 (en) 2006-03-29
US7408991B2 (en) 2008-08-05
DE69930574T2 (de) 2007-02-01
EP0999709A2 (en) 2000-05-10
US20040101055A1 (en) 2004-05-27
EP0999709A3 (en) 2001-03-28
FI982402A0 (fi) 1998-11-05
FI982402A (fi) 2000-05-06
JP2000174631A (ja) 2000-06-23
JP4440392B2 (ja) 2010-03-24

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