JP2013507083A5 - - Google Patents

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JP2013507083A5
JP2013507083A5 JP2012532713A JP2012532713A JP2013507083A5 JP 2013507083 A5 JP2013507083 A5 JP 2013507083A5 JP 2012532713 A JP2012532713 A JP 2012532713A JP 2012532713 A JP2012532713 A JP 2012532713A JP 2013507083 A5 JP2013507083 A5 JP 2013507083A5
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image
region
compression
quantization matrix
block
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JP2012532713A 2009-10-05 2010-10-05 デジタル画像を再圧縮するための装置および方法 Active JP5844263B2 (ja)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US24852109P 2009-10-05 2009-10-05
US61/248,521 2009-10-05
US25387209P 2009-10-22 2009-10-22
US61/253,872 2009-10-22
US29262210P 2010-01-06 2010-01-06
US61/292,622 2010-01-06
US30219310P 2010-02-08 2010-02-08
US61/302,193 2010-02-08
US32921710P 2010-04-29 2010-04-29
US61/329,217 2010-04-29
US38375010P 2010-09-17 2010-09-17
US61/383,750 2010-09-17
PCT/IL2010/000809 WO2011042898A1 (en) 2009-10-05 2010-10-05 Apparatus and methods for recompression of digital images

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JP2013507083A JP2013507083A (ja) 2013-02-28
JP2013507083A5 true JP2013507083A5 (enExample) 2013-11-21
JP5844263B2 JP5844263B2 (ja) 2016-01-13

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US (6) US8908984B2 (enExample)
EP (1) EP2486517A4 (enExample)
JP (1) JP5844263B2 (enExample)
IL (2) IL247930A (enExample)
WO (1) WO2011042898A1 (enExample)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR038161A1 (es) * 2002-01-24 2004-12-29 Basf Ag Procedimiento para separar acidos de mezclas de reaccion quimicas con la ayuda de liquidos ionicos
EP1999883A4 (en) 2006-03-14 2013-03-06 Divx Llc SCHEME FOR THE MANAGEMENT OF UNITED DIGITAL RIGHTS, INCLUDING TRUSTWORTHY SYSTEMS
KR101635876B1 (ko) 2009-01-07 2016-07-04 쏘닉 아이피, 아이엔씨. 온라인 콘텐츠를 위한 미디어 가이드의 단일, 공동 및 자동 생성
JP2013507084A (ja) * 2009-10-05 2013-02-28 アイ.シー.ヴイ.ティー リミテッド 画像処理のための方法およびシステム
EP2486517A4 (en) 2009-10-05 2014-06-11 Icvt Ltd DEVICE AND METHOD FOR RECOMPRIATING DIGITAL IMAGES
CA2782825C (en) 2009-12-04 2016-04-26 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
JP5914962B2 (ja) * 2010-04-09 2016-05-11 ソニー株式会社 画像処理装置および方法、プログラム、並びに、記録媒体
US20110286663A1 (en) * 2010-05-20 2011-11-24 Wen-Lung Huang Method And Apparatus Of Color Image Rotation For Display And Recording Using JPEG
US9965771B2 (en) * 2010-07-02 2018-05-08 Dialogic Corporation System and method of tracking video advertisements
JP5741076B2 (ja) 2010-12-09 2015-07-01 ソニー株式会社 画像処理装置及び画像処理方法
US9247312B2 (en) 2011-01-05 2016-01-26 Sonic Ip, Inc. Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol
US8989446B2 (en) * 2011-01-18 2015-03-24 Rtc Vision Ltd. Character recognition in distorted images
WO2013030833A1 (en) * 2011-08-29 2013-03-07 I.C.V.T. Ltd. Controlling a video content system
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8964977B2 (en) 2011-09-01 2015-02-24 Sonic Ip, Inc. Systems and methods for saving encoded media streamed using adaptive bitrate streaming
US8909922B2 (en) 2011-09-01 2014-12-09 Sonic Ip, Inc. Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
WO2013144942A1 (en) 2012-03-28 2013-10-03 I.C.V.T. Ltd. Controlling a compression of an image according to a degree of photo-realism
CN103369313B (zh) * 2012-03-31 2017-10-10 百度在线网络技术(北京)有限公司 一种进行图像压缩的方法、装置和设备
US9558251B2 (en) * 2012-04-03 2017-01-31 Teradata Us, Inc. Transformation functions for compression and decompression of data in computing environments and systems
JP2013219607A (ja) * 2012-04-10 2013-10-24 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
HK1211770A1 (en) * 2012-08-27 2016-05-27 Thomson Licensing Method and apparatus for estimating content complexity for video quality assessment
US9288484B1 (en) 2012-08-30 2016-03-15 Google Inc. Sparse coding dictionary priming
JPWO2014050948A1 (ja) * 2012-09-28 2016-08-22 シャープ株式会社 画像復号装置、画像復号方法及び画像符号化装置
US9741098B2 (en) * 2012-10-12 2017-08-22 Nvidia Corporation System and method for optimizing image quality in a digital camera
US10277907B2 (en) * 2012-10-25 2019-04-30 Integrated Device Technology, Inc. Rate-distortion optimizers and optimization techniques including joint optimization of multiple color components
CN103810694B (zh) * 2012-11-15 2017-08-01 腾讯科技(深圳)有限公司 图片压缩中质量因子的获取方法及装置
KR102070622B1 (ko) * 2012-11-23 2020-01-29 삼성전자주식회사 동영상을 위한 양자화 테이블 추정 방법 및 장치
JP6056468B2 (ja) * 2012-12-27 2017-01-11 ブラザー工業株式会社 画像処理装置およびコンピュータプログラム
US9313510B2 (en) 2012-12-31 2016-04-12 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
US9264475B2 (en) 2012-12-31 2016-02-16 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
US9066025B2 (en) * 2013-03-15 2015-06-23 Samsung Electronics Co., Ltd. Control of frequency lifting super-resolution with image features
US9305332B2 (en) 2013-03-15 2016-04-05 Samsung Electronics Company, Ltd. Creating details in an image with frequency lifting
US9906785B2 (en) 2013-03-15 2018-02-27 Sonic Ip, Inc. Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata
US9536288B2 (en) 2013-03-15 2017-01-03 Samsung Electronics Co., Ltd. Creating details in an image with adaptive frequency lifting
US10397292B2 (en) 2013-03-15 2019-08-27 Divx, Llc Systems, methods, and media for delivery of content
US9349188B2 (en) 2013-03-15 2016-05-24 Samsung Electronics Co., Ltd. Creating details in an image with adaptive frequency strength controlled transform
US9300906B2 (en) 2013-03-29 2016-03-29 Google Inc. Pull frame interpolation
US9094737B2 (en) 2013-05-30 2015-07-28 Sonic Ip, Inc. Network video streaming with trick play based on separate trick play files
US9967305B2 (en) 2013-06-28 2018-05-08 Divx, Llc Systems, methods, and media for streaming media content
US20150124873A1 (en) * 2013-11-01 2015-05-07 Microsoft Corporation Chroma Down-Conversion and Up-Conversion Processing
CN104683801B (zh) 2013-11-29 2018-06-05 华为技术有限公司 图像压缩方法和装置
US9870375B2 (en) * 2013-12-20 2018-01-16 Nvidia Corporation Image analysis of display content for dynamic adjustment of a continuous scan display
US9830871B2 (en) 2014-01-03 2017-11-28 Nvidia Corporation DC balancing techniques for a variable refresh rate display
US9711099B2 (en) 2014-02-26 2017-07-18 Nvidia Corporation Techniques for avoiding and remedying DC bias buildup on a flat panel variable refresh rate display
US9866878B2 (en) 2014-04-05 2018-01-09 Sonic Ip, Inc. Systems and methods for encoding and playing back video at different frame rates using enhancement layers
US10013625B1 (en) * 2014-04-16 2018-07-03 Instart Logic, Inc. QoE-driven unsupervised image categorization for optimized web delivery
US9609323B2 (en) * 2014-06-26 2017-03-28 Allego Inc. Iterative video optimization for data transfer and viewing
WO2016004006A1 (en) * 2014-06-30 2016-01-07 The University Of North Carolina At Chapel Hill Methods, systems, and computer readable for performing image compression
US9286653B2 (en) 2014-08-06 2016-03-15 Google Inc. System and method for increasing the bit depth of images
US9153017B1 (en) * 2014-08-15 2015-10-06 Google Inc. System and method for optimized chroma subsampling
KR101703330B1 (ko) * 2014-10-06 2017-02-06 삼성전자 주식회사 이미지 재부호화 방법 및 그 장치
US9652829B2 (en) 2015-01-22 2017-05-16 Samsung Electronics Co., Ltd. Video super-resolution by fast video segmentation for boundary accuracy control
US20160234496A1 (en) * 2015-02-09 2016-08-11 Qualcomm Incorporated Near visually lossless video recompression
WO2016142931A1 (en) 2015-03-10 2016-09-15 Beamr Imaging Ltd Method and system of controlling a quality measure
US9536045B1 (en) * 2015-03-16 2017-01-03 D.R. Systems, Inc. Dynamic digital image compression based on digital image characteristics
US9693063B2 (en) * 2015-09-21 2017-06-27 Sling Media Pvt Ltd. Video analyzer
US9749686B2 (en) 2015-09-21 2017-08-29 Sling Media Pvt Ltd. Video analyzer
US10015503B1 (en) 2015-09-24 2018-07-03 Instart Logic, Inc. Fast, real-time, estimation of content-sensitive encoding quality for optimized web delivery of images
KR101832418B1 (ko) 2015-12-31 2018-02-26 네이버 주식회사 이미지 압축 품질을 최적화 하기 위한 방법 및 시스템
EP3200456A1 (en) * 2016-01-28 2017-08-02 Axis AB Video encoding method and video encoder system for temporal noise reduction
US9940898B2 (en) 2016-02-25 2018-04-10 Nvidia Corporation Variable refresh rate video capture and playback
US10902656B2 (en) * 2016-02-29 2021-01-26 Fujifilm North America Corporation System and method for generating a digital image collage
US9712830B1 (en) * 2016-09-15 2017-07-18 Dropbox, Inc. Techniques for image recompression
KR102853921B1 (ko) * 2016-11-18 2025-09-01 삼성전자주식회사 텍스처를 처리하는 방법 및 장치
US10498795B2 (en) 2017-02-17 2019-12-03 Divx, Llc Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming
KR102020953B1 (ko) * 2017-04-07 2019-09-11 주식회사 에스원 카메라 영상의 복호화 정보 기반 영상 재 부호화 방법 및 이를 이용한 영상 재부호화 시스템
US10567768B2 (en) * 2017-04-14 2020-02-18 Apple Inc. Techniques for calculation of quantization matrices in video coding
US11234001B2 (en) 2017-08-02 2022-01-25 DISH Technologies L.L.C. Systems and methods for enhanced video encoding
US10645408B2 (en) * 2017-09-17 2020-05-05 Google Llc Dual deblocking filter thresholds
WO2019059107A1 (ja) * 2017-09-20 2019-03-28 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
CN107801026B (zh) * 2017-11-09 2019-12-03 京东方科技集团股份有限公司 图像压缩方法及装置、图像压缩及解压缩系统
US10924744B2 (en) * 2017-11-17 2021-02-16 Intel Corporation Selective coding
US10636120B2 (en) * 2018-02-01 2020-04-28 Ricoh Company, Ltd. Image scaling with quality control
US11463733B2 (en) * 2018-02-17 2022-10-04 Google Llc Image compression and decompression using controlled quality loss
CN108510474B (zh) * 2018-03-09 2021-07-06 上海烟草集团有限责任公司 烟叶图像质量的评价方法、系统、存储器、及电子设备
US11368697B1 (en) * 2018-05-01 2022-06-21 Google Llc Adaptive image compression using a quality metric
US11449256B2 (en) 2018-05-15 2022-09-20 Samsung Electronics Co., Ltd. Method for accelerating image storing and retrieving differential latency storage devices based on access rates
US10949087B2 (en) * 2018-05-15 2021-03-16 Samsung Electronics Co., Ltd. Method for rapid reference object storage format for chroma subsampled images
WO2020094074A1 (en) 2018-11-06 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Position-depending ordering of motion candidate list for geometric partitioning mode
US11178430B2 (en) * 2018-12-05 2021-11-16 Google Llc Adaptive DCT sharpener
US11272192B2 (en) * 2019-03-04 2022-03-08 Comcast Cable Communications, Llc Scene classification and learning for video compression
EP3809366A1 (fr) * 2019-10-15 2021-04-21 Aisapack Holding SA Procédé de fabrication
US11341316B2 (en) * 2019-12-05 2022-05-24 Netflix, Inc. Techniques for compressing images to achieve a target quality level
KR102416160B1 (ko) * 2019-12-20 2022-07-05 라인플러스 주식회사 영상 저장 서비스 제공 방법, 컴퓨터 프로그램 및 컴퓨팅 장치
US11570477B2 (en) * 2019-12-31 2023-01-31 Alibaba Group Holding Limited Data preprocessing and data augmentation in frequency domain
US11445200B2 (en) * 2020-05-12 2022-09-13 Alibaba Group Holding Limited Method and system for processing video content
CA3178565A1 (en) 2020-05-14 2021-11-18 Abdul REHMAN Perceptual quality assessment metric based content and viewer aware encoding
KR102374241B1 (ko) * 2020-07-29 2022-03-15 주식회사 핀그램 화질 향상을 위한 적응적 영상 송신 방법 및 시스템
US12165283B2 (en) 2021-07-22 2024-12-10 Qualcomm Incorporated Configurable image enhancement
EP4365825A4 (en) 2021-09-30 2024-10-09 Samsung Electronics Co., Ltd. METHOD AND APPARATUS FOR PREDICTING COMPRESSION QUALITY OF AN IMAGE IN AN ELECTRONIC DEVICE
US11971857B2 (en) * 2021-12-08 2024-04-30 Cohesity, Inc. Adaptively providing uncompressed and compressed data chunks
CN114884925B (zh) 2022-04-18 2023-04-18 深圳市绿联科技股份有限公司 一种传输复合照片数据的方法、装置、系统以及电子设备
CN115081489A (zh) * 2022-07-13 2022-09-20 重庆大学 基于小波分解矩阵和残差网络的时间序列分类方法

Family Cites Families (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2807222B2 (ja) * 1986-11-14 1998-10-08 株式会社東芝 画像圧縮装置
DE69133401T2 (de) * 1990-03-16 2005-01-13 Fujitsu Ltd., Kawasaki System zur Verarbeitung von Bilddaten
JP2831139B2 (ja) * 1991-01-10 1998-12-02 オリンパス光学工業株式会社 画像信号復号化装置
US5625714A (en) * 1991-01-10 1997-04-29 Olympus Optical Co., Ltd. Image signal decoding device capable of removing block distortion with simple structure
US5157488A (en) 1991-05-17 1992-10-20 International Business Machines Corporation Adaptive quantization within the jpeg sequential mode
JPH05219385A (ja) * 1992-02-07 1993-08-27 Hudson Soft Co Ltd 画像圧縮・伸張方法および装置
JP3105335B2 (ja) * 1992-02-07 2000-10-30 株式会社ハドソン 画像の直交変換符号化による圧縮・伸張方法
JP3193458B2 (ja) * 1992-06-19 2001-07-30 日本放送協会 画像符号化方法および装置
JPH06125545A (ja) * 1992-10-12 1994-05-06 Toko Inc 画像圧縮伸張装置の画質評価方法
US5432870A (en) * 1993-06-30 1995-07-11 Ricoh Corporation Method and apparatus for compressing and decompressing images of documents
US5790717A (en) * 1993-10-26 1998-08-04 Bell Communications Research Inc. Apparatus and method for predicting subjective quality of compressed images
US5426512A (en) 1994-01-25 1995-06-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Image data compression having minimum perceptual error
CA2118880A1 (en) 1994-03-11 1995-09-12 Kannan Ramchandran Jpeg/mpeg decoder-compatible optimized thresholding for image and video signal compression
MX9700385A (es) * 1994-07-14 1998-05-31 Johnson Grace Company Metodo y aparato para comprimir imagenes.
KR100396971B1 (ko) * 1994-11-29 2003-11-03 산요덴키가부시키가이샤 인코드된비디오데이터의에러검출및처리기능을구비한비디오디코더
US5629780A (en) 1994-12-19 1997-05-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Image data compression having minimum perceptual error
US5774593A (en) * 1995-07-24 1998-06-30 University Of Washington Automatic scene decomposition and optimization of MPEG compressed video
JP3096618B2 (ja) * 1995-08-10 2000-10-10 三洋電機株式会社 撮像装置
KR20000005110A (ko) 1996-03-29 2000-01-25 윌리암 제이. 버크 지각 메트릭을 이용하는 이미지 코딩시스템에서 엔코딩 최적화및 자동 조정가능 이미지 압축을 위한 장치 및 방법
US5739457A (en) 1996-09-26 1998-04-14 Devecka; John R. Method and apparatus for simulating a jam session and instructing a user in how to play the drums
US6369313B2 (en) 2000-01-13 2002-04-09 John R. Devecka Method and apparatus for simulating a jam session and instructing a user in how to play the drums
JPH10271498A (ja) * 1997-03-26 1998-10-09 Sanyo Electric Co Ltd 圧縮データ変換方法、画像圧縮データの情報量変換方法およびその方法を適用した画像記録装置
US6167155A (en) 1997-07-28 2000-12-26 Physical Optics Corporation Method of isomorphic singular manifold projection and still/video imagery compression
US6252994B1 (en) * 1998-01-26 2001-06-26 Xerox Corporation Adaptive quantization compatible with the JPEG baseline sequential mode
US6154493A (en) * 1998-05-21 2000-11-28 Intel Corporation Compression of color images based on a 2-dimensional discrete wavelet transform yielding a perceptually lossless image
EP1086593B1 (en) 1998-05-30 2003-07-30 STMicroelectronics Asia Pacific Pte Ltd. Sequence adaptive bit allocation for pictures encoding
US6233359B1 (en) 1998-10-29 2001-05-15 Seiko Epson Corporation File size bounded JPEG transcoder (FSBJT)
US6225547B1 (en) 1998-10-30 2001-05-01 Konami Co., Ltd. Rhythm game apparatus, rhythm game method, computer-readable storage medium and instrumental device
US6584154B1 (en) 1998-11-26 2003-06-24 Oki Electric Industry Co., Ltd. Moving-picture coding and decoding method and apparatus with reduced computational cost
JP3017986B1 (ja) 1998-11-26 2000-03-13 コナミ株式会社 ゲームシステムおよびコンピュータ読み取り可能な記憶媒体
JP2000237455A (ja) 1999-02-16 2000-09-05 Konami Co Ltd 音楽演出ゲーム装置、音楽演出ゲーム方法および可読記録媒体
JP2001009152A (ja) 1999-06-30 2001-01-16 Konami Co Ltd ゲームシステムおよびコンピュータ読み取り可能な記憶媒体
KR100788642B1 (ko) * 1999-10-01 2007-12-26 삼성전자주식회사 디지털 영상 텍스쳐 분석 방법
JP2001129244A (ja) 1999-11-01 2001-05-15 Konami Co Ltd 音楽演奏ゲーム装置、演奏ガイド画像表示方法及び演奏ガイド画像形成プログラムを記録した可読記録媒体
US6614942B1 (en) 1999-12-17 2003-09-02 Microsoft Corporation Constant bitrate algorithm for block based image compression
US7430330B2 (en) 2001-01-16 2008-09-30 Hamilton Chris H Method and apparatus for optimizing a JPEG image using regionally variable compression levels
US20030035586A1 (en) * 2001-05-18 2003-02-20 Jim Chou Decoding compressed image data
US6959348B1 (en) * 2001-07-30 2005-10-25 Vixs Systems, Inc. Method and system for accessing data
US7092578B2 (en) 2001-10-23 2006-08-15 Agilent Technologies, Inc. Signaling adaptive-quantization matrices in JPEG using end-of-block codes
DE60230666D1 (de) * 2001-11-29 2009-02-12 Panasonic Corp Verfahren zur beseitigung von kodierungsverzerrung und verfahren zur videokodierung und -dekodierung
JP3882651B2 (ja) * 2002-03-20 2007-02-21 富士ゼロックス株式会社 画像処理装置およびプログラム
US20040028139A1 (en) 2002-08-06 2004-02-12 Andre Zaccarin Video encoding
US7050656B2 (en) 2002-12-11 2006-05-23 Seiko Epson Corporation Image scaling in the compressed domain
JP4245139B2 (ja) * 2003-03-31 2009-03-25 株式会社メガチップス 画像処理装置
JP2005176069A (ja) 2003-12-12 2005-06-30 Ntt Data Corp 分散並列トランスコーダシステム及び分散並列トランスコード方法
US7391809B2 (en) * 2003-12-30 2008-06-24 Microsoft Corporation Scalable video transcoding
KR20080066823A (ko) 2004-01-28 2008-07-16 닛본 덴끼 가부시끼가이샤 컨텐츠의 부호화, 배신 및, 수신 방법과 장치와 시스템그리고 프로그램
US7453938B2 (en) * 2004-02-06 2008-11-18 Apple Inc. Target bitrate estimator, picture activity and buffer management in rate control for video coder
US8832434B2 (en) 2004-02-13 2014-09-09 Hewlett-Packard Development Company, L.P. Methods for generating data for describing scalable media
JP4281615B2 (ja) * 2004-05-10 2009-06-17 セイコーエプソン株式会社 撮影装置およびこれに用いるプログラム並びに画像記憶方法
US20060034531A1 (en) * 2004-05-10 2006-02-16 Seiko Epson Corporation Block noise level evaluation method for compressed images and control method of imaging device utilizing the evaluation method
US20060008167A1 (en) * 2004-07-06 2006-01-12 Qing Yu Digital camera having picture quality setting
US7664184B2 (en) 2004-07-21 2010-02-16 Amimon Ltd. Interpolation image compression
DE102004059993B4 (de) 2004-10-15 2006-08-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen einer codierten Videosequenz unter Verwendung einer Zwischen-Schicht-Bewegungsdaten-Prädiktion sowie Computerprogramm und computerlesbares Medium
US7580579B2 (en) 2004-12-20 2009-08-25 Hewlett-Packard Development Company, L.P. Image-adaptive quantization for JPEG compression
US20060193527A1 (en) 2005-01-11 2006-08-31 Florida Atlantic University System and methods of mode determination for video compression
EP1872590B1 (en) 2005-04-19 2014-10-22 Telecom Italia S.p.A. Method and apparatus for digital image coding
JP2007019742A (ja) * 2005-07-06 2007-01-25 Olympus Imaging Corp 電子カメラ、電子カメラの制御方法および制御プログラム
US8019167B2 (en) 2007-01-03 2011-09-13 Human Monitoring Ltd. Compressing high resolution images in a low resolution video
JP2008199587A (ja) 2007-01-18 2008-08-28 Matsushita Electric Ind Co Ltd 画像符号化装置、画像復号化装置および方法
WO2008091687A2 (en) 2007-01-25 2008-07-31 Florida Atlantic University Reduced resolution video transcoding with greatly reduced complexity
US8625663B2 (en) * 2007-02-20 2014-01-07 Pixar Home-video digital-master package
JP2008244993A (ja) 2007-03-28 2008-10-09 Renesas Technology Corp トランスコーディングのための装置および方法
WO2008148207A1 (en) 2007-06-04 2008-12-11 Research In Motion Limited Method and device for selecting optimal transform matrices for down-sampling dct image
US8233727B2 (en) 2007-10-19 2012-07-31 Research In Motion Limited Arbitrary ratio image resizing in the DCT domain
US8295624B2 (en) * 2007-12-03 2012-10-23 Ecole De Technologie Superieure Method and system for generating a quality prediction table for quality-aware transcoding of digital images
JP2009141815A (ja) * 2007-12-07 2009-06-25 Toshiba Corp 画像符号化方法、装置及びプログラム
US8953685B2 (en) * 2007-12-10 2015-02-10 Qualcomm Incorporated Resource-adaptive video interpolation or extrapolation with motion level analysis
JP2009182623A (ja) * 2008-01-30 2009-08-13 Panasonic Corp 画像符号化方法
US8185822B2 (en) 2008-02-11 2012-05-22 Apple Inc. Image application performance optimization
WO2009113276A1 (ja) 2008-03-12 2009-09-17 三菱電機株式会社 画像符号化方式変換装置
JP2013507084A (ja) * 2009-10-05 2013-02-28 アイ.シー.ヴイ.ティー リミテッド 画像処理のための方法およびシステム
EP2486517A4 (en) 2009-10-05 2014-06-11 Icvt Ltd DEVICE AND METHOD FOR RECOMPRIATING DIGITAL IMAGES
JP2012060261A (ja) * 2010-09-06 2012-03-22 Sony Corp 画像処理装置および方法
WO2013030833A1 (en) * 2011-08-29 2013-03-07 I.C.V.T. Ltd. Controlling a video content system
WO2013144942A1 (en) * 2012-03-28 2013-10-03 I.C.V.T. Ltd. Controlling a compression of an image according to a degree of photo-realism
WO2016142931A1 (en) * 2015-03-10 2016-09-15 Beamr Imaging Ltd Method and system of controlling a quality measure

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