MXPA04007139A - Metodo y sistema para reduccion de contorno. - Google Patents

Metodo y sistema para reduccion de contorno.

Info

Publication number
MXPA04007139A
MXPA04007139A MXPA04007139A MXPA04007139A MXPA04007139A MX PA04007139 A MXPA04007139 A MX PA04007139A MX PA04007139 A MXPA04007139 A MX PA04007139A MX PA04007139 A MXPA04007139 A MX PA04007139A MX PA04007139 A MXPA04007139 A MX PA04007139A
Authority
MX
Mexico
Prior art keywords
pixel
identified
range
value
video signal
Prior art date
Application number
MXPA04007139A
Other languages
English (en)
Spanish (es)
Inventor
Alan Hague John
Original Assignee
Thomson Licensing Sa
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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of MXPA04007139A publication Critical patent/MXPA04007139A/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/34—Smoothing or thinning of the pattern; Morphological operations; Skeletonisation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Image Analysis (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Picture Signal Circuits (AREA)
MXPA04007139A 2002-01-25 2003-01-17 Metodo y sistema para reduccion de contorno. MXPA04007139A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/056,595 US6647152B2 (en) 2002-01-25 2002-01-25 Method and system for contouring reduction
PCT/US2003/001525 WO2003065293A1 (en) 2002-01-25 2003-01-17 Method and system for contouring reduction

Publications (1)

Publication Number Publication Date
MXPA04007139A true MXPA04007139A (es) 2004-10-29

Family

ID=27609300

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04007139A MXPA04007139A (es) 2002-01-25 2003-01-17 Metodo y sistema para reduccion de contorno.

Country Status (10)

Country Link
US (1) US6647152B2 (enExample)
EP (1) EP1468397A4 (enExample)
JP (1) JP4740539B2 (enExample)
KR (2) KR101000718B1 (enExample)
CN (1) CN1307592C (enExample)
BR (1) BR0307078A (enExample)
MX (1) MXPA04007139A (enExample)
MY (1) MY134337A (enExample)
TW (1) TW591936B (enExample)
WO (1) WO2003065293A1 (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6885383B2 (en) * 2002-03-08 2005-04-26 David Muresan Moving-pixels procedure for digital picture edge-smoothing
EP1387340A1 (en) * 2002-07-30 2004-02-04 Deutsche Thomson-Brandt Gmbh Method and device for processing video data for a display
JP2004078059A (ja) * 2002-08-22 2004-03-11 Rohm Co Ltd 表示装置
JP3877694B2 (ja) * 2003-03-28 2007-02-07 三洋電機株式会社 表示処理装置
US7602851B2 (en) 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US8218624B2 (en) 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US7580584B2 (en) 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
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
US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US7542620B1 (en) * 2004-08-16 2009-06-02 Apple Inc. Robust temporal dithering and filtering
US7675872B2 (en) * 2004-11-30 2010-03-09 Broadcom Corporation System, method, and apparatus for displaying pictures
KR100594738B1 (ko) * 2004-12-28 2006-06-30 삼성전자주식회사 비트 깊이 감소로 인하여 발생된 윤곽선을 제거하기 위한장치
JP4463705B2 (ja) 2005-03-01 2010-05-19 三菱電機株式会社 画像表示装置、および画像表示方法
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
KR100627615B1 (ko) * 2005-12-29 2006-09-25 엠텍비젼 주식회사 조정 가능한 임계값을 이용한 노이즈 제거 장치
JP4455513B2 (ja) * 2006-02-13 2010-04-21 三菱電機株式会社 画像処理方法、画像処理装置、及び画像表示装置
KR20070099170A (ko) * 2006-04-03 2007-10-09 엘지.필립스 엘시디 주식회사 데이터 변환장치 및 변환방법과 이를 이용한 영상표시장치의 구동장치 및 구동방법
US8503536B2 (en) * 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
TWI466547B (zh) 2007-01-05 2014-12-21 Marvell World Trade Ltd 用於改善低解析度視訊之方法與系統
WO2008088901A2 (en) * 2007-01-19 2008-07-24 Thomson Licensing Reducing contours in digital images
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US7864191B2 (en) * 2007-04-16 2011-01-04 Texas Instruments Incorporated Techniques for efficient dithering
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US8270498B2 (en) * 2009-03-26 2012-09-18 Apple Inc. Dynamic dithering for video compression
US8860750B2 (en) * 2011-03-08 2014-10-14 Apple Inc. Devices and methods for dynamic dithering
KR102007815B1 (ko) * 2012-12-12 2019-08-07 엘지디스플레이 주식회사 표시장치와 그의 영상데이터 처리방법
US9092856B2 (en) * 2013-10-31 2015-07-28 Stmicroelectronics Asia Pacific Pte. Ltd. Recursive de-banding filter for digital images
CN108322723B (zh) * 2018-02-06 2020-01-24 深圳创维－Rgb电子有限公司 一种色彩失真的补偿方法、装置和电视机

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605692A (ja) 1983-06-24 1985-01-12 Victor Co Of Japan Ltd 映像信号処理装置
JPS6319982A (ja) * 1986-07-12 1988-01-27 Fujitsu Ltd ビデオプリンタの階調制御方式
US5838298A (en) 1987-02-13 1998-11-17 Canon Kabushiki Kaisha Image processing apparatus and method for smoothing stairway-like portions of a contour line of an image
JP2644491B2 (ja) * 1987-05-18 1997-08-25 キヤノン株式会社 画像処理装置
US5138303A (en) 1989-10-31 1992-08-11 Microsoft Corporation Method and apparatus for displaying color on a computer output device using dithering techniques
JPH03226177A (ja) * 1990-01-31 1991-10-07 Fuji Xerox Co Ltd 階調変換処理装置
US5218649A (en) * 1990-05-04 1993-06-08 U S West Advanced Technologies, Inc. Image enhancement system
US5374963A (en) 1990-06-01 1994-12-20 Thomson Consumer Electronics, Inc. Picture resolution enhancement with dithering and dedithering
JPH0490680A (ja) * 1990-08-06 1992-03-24 Oki Electric Ind Co Ltd 画像２値化方法
JPH04165874A (ja) * 1990-10-30 1992-06-11 Canon Inc ディジタル信号処理装置
US5101452A (en) 1990-12-17 1992-03-31 Eastman Kodak Company Apparatus and method for dynamic step quantization
EP0555674B1 (en) * 1992-02-11 1999-04-21 Eastman Kodak Company Image rendering system and associated method for minimizing contours in a quantized digital color image
JP3222183B2 (ja) * 1992-02-19 2001-10-22 株式会社リコー 画像処理装置
JPH06152992A (ja) * 1992-10-29 1994-05-31 Canon Inc 画像処理方法及び装置
JPH06225179A (ja) * 1993-01-21 1994-08-12 Sony Corp 画像信号用量子化器
JP3361355B2 (ja) * 1993-05-14 2003-01-07 株式会社リコー 画像処理装置
US5651078A (en) * 1994-07-18 1997-07-22 Thomson Consumer Electronics, Inc. Method and apparatus for reducing contouring in video compression
US6147671A (en) 1994-09-13 2000-11-14 Intel Corporation Temporally dissolved dithering
KR100414432B1 (ko) * 1995-03-24 2004-03-18 마츠시타 덴끼 산교 가부시키가이샤 윤곽추출장치
US5579054A (en) * 1995-04-21 1996-11-26 Eastman Kodak Company System and method for creating high-quality stills from interlaced video
JPH0944648A (ja) * 1995-08-01 1997-02-14 Sony Corp 画像処理装置及び画像処理方法
US6040876A (en) 1995-10-13 2000-03-21 Texas Instruments Incorporated Low intensity contouring and color shift reduction using dither
US5777624A (en) 1996-01-02 1998-07-07 Intel Corporation Method and apparatus for eliminating visual artifacts caused by diffusing errors in a decimated video signal
JP4067594B2 (ja) 1996-01-26 2008-03-26 テキサス インスツルメンツ インコーポレイテツド 信号変換回路および入力ワードのデジタル出力ワードへの変換方法
US5835117A (en) * 1996-05-31 1998-11-10 Eastman Kodak Company Nonlinear dithering to reduce neutral toe color shifts
FR2769453B1 (fr) * 1997-10-06 2000-01-07 Telediffusion Fse Procede d'evaluation de la degradation d'une image video introduite par un systeme de codage et/ou de stockage et/ou de transmission numerique
JPH11272228A (ja) * 1998-03-19 1999-10-08 Mitsubishi Electric Corp ディスプレイ駆動装置及びその方法
EP0999265B1 (en) * 1998-03-31 2005-10-12 Bioreal, Inc. Fine algae culture device
US6324310B1 (en) * 1998-06-02 2001-11-27 Digital Persona, Inc. Method and apparatus for scanning a fingerprint using a linear sensor
JP3738574B2 (ja) * 1998-09-18 2006-01-25 富士ゼロックス株式会社 画像情報符号化装置
JP2001036756A (ja) * 1999-07-15 2001-02-09 Canon Inc 画像処理方法及び装置
JP2001136535A (ja) * 1999-08-25 2001-05-18 Fuji Xerox Co Ltd 画像符号化装置および量子化特性決定装置
JP2001092954A (ja) * 1999-09-20 2001-04-06 Matsushita Electric Ind Co Ltd 丸め処理装置

Also Published As

Publication number Publication date
CN1623165A (zh) 2005-06-01
MY134337A (en) 2007-12-31
JP2005516260A (ja) 2005-06-02
KR20040075108A (ko) 2004-08-26
EP1468397A1 (en) 2004-10-20
TW591936B (en) 2004-06-11
CN1307592C (zh) 2007-03-28
US6647152B2 (en) 2003-11-11
TW200302662A (en) 2003-08-01
WO2003065293A1 (en) 2003-08-07
KR20100089906A (ko) 2010-08-12
BR0307078A (pt) 2004-12-28
EP1468397A4 (en) 2017-05-10
JP4740539B2 (ja) 2011-08-03
KR101000718B1 (ko) 2010-12-10
US20030142878A1 (en) 2003-07-31

Similar Documents

Publication Publication Date Title
MXPA04007139A (es) Metodo y sistema para reduccion de contorno.
KR100334360B1 (ko) 디지탈비디오신호처리시스템용온스크린디스플레이장치
US7072491B2 (en) Integrative encoding system and adaptive decoding system
EP1158810B1 (en) Recording medium
Limb et al. An interframe coding technique for broadcast television
US5912708A (en) Picture signal encoding device, picture signal encoding method, picture signal decoding device, picture signal decoding method, and recording medium
US8321907B2 (en) Broadcast receiving apparatus, broadcast receiving method, broadcast receiving program, and broadcast receiving circuit
KR20000068044A (ko) 텔레비전 화상 신호 처리 방법
US6728312B1 (en) Adaptive video decoding and rendering with respect to processor congestion
EP0892558B1 (en) Picture signal coding device, picture signal coding method, picture signal decoding device, picture signal decoding method, and recording medium
EP0891101B1 (en) Picture coding device, picture coding method, picture decoding device, picture decoding method, and recording medium
US6339615B1 (en) Picture encoding device, picture encoding method, picture decoding device, picture decoding method, and recording medium
US6755531B2 (en) Motion picture code evaluator and billing system
JPH0730887A (ja) ビデオ画像信号送受信の装置
KR101075969B1 (ko) 비디오 시퀀스 내에서 에러 전달을 예방하기 위한 방법 및 장치
JP4001962B2 (ja) ブロック歪低減装置及び方法
US20060093037A1 (en) Device and method for decoding and digital broadcast receiving apparatus
JP3642158B2 (ja) 画像符号化装置および画像符号化方法、画像復号化装置および画像復号化方法、並びに伝送方法
KR19990049348A (ko) 움직임 벡터를 이용한 프레임 율(frame rate) 변환장치와 방법.
Noll The Digital Mystique

Legal Events

Date Code Title Description
FG Grant or registration