NO314709B1 - Fremgangsmåte og anordning til behandling av et sett av transformkoeffisienter - Google Patents
Fremgangsmåte og anordning til behandling av et sett av transformkoeffisienter Download PDFInfo
- Publication number
- NO314709B1 NO314709B1 NO19944138A NO944138A NO314709B1 NO 314709 B1 NO314709 B1 NO 314709B1 NO 19944138 A NO19944138 A NO 19944138A NO 944138 A NO944138 A NO 944138A NO 314709 B1 NO314709 B1 NO 314709B1
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- Norway
- Prior art keywords
- parity
- transform
- transform coefficients
- block
- coefficients
- Prior art date
Links
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- 238000000034 method Methods 0.000 title claims description 40
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
- G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
-
- 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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
- H04N19/45—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- 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
-
- 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
-
- 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
- H04N19/124—Quantisation
-
- 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
- H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Discrete Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Algebra (AREA)
- Databases & Information Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Color Television Systems (AREA)
- Error Detection And Correction (AREA)
- Television Signal Processing For Recording (AREA)
- Complex Calculations (AREA)
- Image Processing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Facsimile Image Signal Circuits (AREA)
- Detection And Correction Of Errors (AREA)
- Color Television Image Signal Generators (AREA)
- Radar Systems Or Details Thereof (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4020393 | 1993-03-01 | ||
| JP5990993 | 1993-03-19 | ||
| PCT/JP1994/000329 WO1994021083A1 (en) | 1993-03-01 | 1994-03-01 | Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO944138D0 NO944138D0 (no) | 1994-10-31 |
| NO944138L NO944138L (no) | 1994-12-23 |
| NO314709B1 true NO314709B1 (no) | 2003-05-05 |
Family
ID=26379647
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19944138A NO314709B1 (no) | 1993-03-01 | 1994-10-31 | Fremgangsmåte og anordning til behandling av et sett av transformkoeffisienter |
| NO20010762A NO314710B1 (no) | 1993-03-01 | 2001-02-15 | Anordning og fremgangsmåte til komprimering av et signal for levende bilde,og anordning til ekspansjon et komprimert signal for levendebilde |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20010762A NO314710B1 (no) | 1993-03-01 | 2001-02-15 | Anordning og fremgangsmåte til komprimering av et signal for levende bilde,og anordning til ekspansjon et komprimert signal for levendebilde |
Country Status (29)
| Country | Link |
|---|---|
| US (2) | US5481553A (de) |
| EP (5) | EP0903944B1 (de) |
| JP (2) | JP3610578B2 (de) |
| KR (1) | KR100287490B1 (de) |
| CN (1) | CN1076935C (de) |
| AT (2) | ATE185663T1 (de) |
| AU (1) | AU673244B2 (de) |
| BR (1) | BR9404321A (de) |
| CA (1) | CA2134444C (de) |
| DE (2) | DE69421135T2 (de) |
| DK (5) | DK2276259T3 (de) |
| EG (1) | EG20330A (de) |
| ES (5) | ES2389797T3 (de) |
| FI (1) | FI112579B (de) |
| GR (1) | GR3032133T3 (de) |
| HK (2) | HK1013575A1 (de) |
| HU (1) | HU217744B (de) |
| IL (1) | IL108787A (de) |
| MY (1) | MY110794A (de) |
| NO (2) | NO314709B1 (de) |
| NZ (1) | NZ261907A (de) |
| OA (1) | OA10108A (de) |
| PL (1) | PL173287B1 (de) |
| PT (4) | PT954182E (de) |
| RO (1) | RO115926B1 (de) |
| RU (1) | RU2119727C1 (de) |
| TR (1) | TR28436A (de) |
| TW (1) | TW224553B (de) |
| WO (1) | WO1994021083A1 (de) |
Families Citing this family (145)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515388A (en) * | 1993-03-19 | 1996-05-07 | Sony Corporation | Apparatus and method for preventing repetitive random errors in transform coefficients representing a motion picture signal |
| EP0671816B1 (de) * | 1993-09-28 | 2000-03-29 | Sony Corporation | Gerät zur kodierung/dekodierung mit rundung auf ausschliesslich gerade oder ungerade werte |
| US5796438A (en) * | 1994-07-05 | 1998-08-18 | Sony Corporation | Methods and apparatus for interpolating picture information |
| JP3794502B2 (ja) | 1994-11-29 | 2006-07-05 | ソニー株式会社 | 画像領域抽出方法及び画像領域抽出装置 |
| US5623423A (en) * | 1994-12-12 | 1997-04-22 | Univ. Of Texas | Apparatus and method for video decoding |
| US5675666A (en) * | 1995-03-02 | 1997-10-07 | Sony Corportion | Image data compression method and apparatus with pre-processing to compensate for the blocky effect |
| JP3855286B2 (ja) * | 1995-10-26 | 2006-12-06 | ソニー株式会社 | 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、並びに記録媒体 |
| JPH09128529A (ja) * | 1995-10-30 | 1997-05-16 | Sony Corp | ディジタル画像の雑音の投影に基づく除去方法 |
| KR100355375B1 (ko) * | 1995-11-01 | 2002-12-26 | 삼성전자 주식회사 | 영상부호화장치에있어서양자화간격결정방법및회로 |
| JP3994445B2 (ja) * | 1995-12-05 | 2007-10-17 | ソニー株式会社 | 動きベクトル検出装置及び動きベクトル検出方法 |
| US6057893A (en) * | 1995-12-28 | 2000-05-02 | Sony Corporation | Picture encoding method, picture encoding apparatus, picture transmitting method and picture recording medium |
| US6256349B1 (en) * | 1995-12-28 | 2001-07-03 | Sony Corporation | Picture signal encoding method and apparatus, picture signal transmitting method, picture signal decoding method and apparatus and recording medium |
| US5822005A (en) * | 1996-01-11 | 1998-10-13 | Tektronix, Inc. | Pre-oddification |
| US5710732A (en) * | 1996-04-22 | 1998-01-20 | Samsung Electronics Co., Ltd. | Calculating the average of four integer numbers rounded away from zero in a single instruction cycle |
| US5751617A (en) * | 1996-04-22 | 1998-05-12 | Samsung Electronics Co., Ltd. | Calculating the average of two integer numbers rounded away from zero in a single instruction cycle |
| TW357327B (en) * | 1996-08-02 | 1999-05-01 | Sony Corp | Methods, apparatus and program storage device for removing scratch or wire noise, and recording media therefor |
| US5930159A (en) * | 1996-10-17 | 1999-07-27 | Samsung Electronics Co., Ltd | Right-shifting an integer operand and rounding a fractional intermediate result to obtain a rounded integer result |
| EP1689189A3 (de) * | 1996-11-07 | 2008-12-10 | Panasonic Corporation | Bildcoder und -decoder |
| US6007232A (en) * | 1996-11-14 | 1999-12-28 | Samsung Electronics Co., Ltd. | Calculating the average of two integer numbers rounded towards zero in a single instruction cycle |
| US5917739A (en) * | 1996-11-14 | 1999-06-29 | Samsung Electronics Co., Ltd. | Calculating the average of four integer numbers rounded towards zero in a single instruction cycle |
| EP0786907A3 (de) * | 1997-01-24 | 2001-06-13 | Texas Instruments Incorporated | Videokodierer |
| WO1998036576A1 (en) * | 1997-02-13 | 1998-08-20 | Mitsubishi Denki Kabushiki Kaisha | Moving picture prediction system |
| JP2001506099A (ja) * | 1997-03-12 | 2001-05-08 | 松下電器産業株式会社 | Ｈｄｔｖダウン変換システム |
| US6078616A (en) | 1997-03-13 | 2000-06-20 | Sony Corporation | Methods and apparatus for error concealment utilizing temporal domain motion vector estimation |
| US6128340A (en) * | 1997-03-14 | 2000-10-03 | Sony Corporation | Decoder system with 2.53 frame display buffer |
| WO1998042134A1 (en) * | 1997-03-17 | 1998-09-24 | Mitsubishi Denki Kabushiki Kaisha | Image encoder, image decoder, image encoding method, image decoding method and image encoding/decoding system |
| US5903311A (en) * | 1997-05-30 | 1999-05-11 | Sony Corporation | Run level pair buffering for fast variable length decoder circuit |
| US6574371B2 (en) | 1997-06-09 | 2003-06-03 | Hitachi, Ltd. | Image decoding method |
| US7801380B2 (en) * | 1997-06-09 | 2010-09-21 | Hitachi, Ltd. | Recording medium having recorded thereon coded information using plus and/or minus rounding of images |
| ES2545066T3 (es) * | 1997-06-09 | 2015-09-08 | Hitachi, Ltd. | Medio de grabación de información de imágenes |
| US6351563B1 (en) * | 1997-07-09 | 2002-02-26 | Hyundai Electronics Ind. Co., Ltd. | Apparatus and method for coding/decoding scalable shape binary image using mode of lower and current layers |
| SE512171C2 (sv) * | 1997-07-02 | 2000-02-07 | Forskarpatent I Linkoeping Ab | Videoöverföring |
| WO1999010719A1 (en) | 1997-08-29 | 1999-03-04 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
| AU728938B2 (en) * | 1997-09-29 | 2001-01-18 | Canon Kabushiki Kaisha | A method for data compression |
| US6937659B1 (en) | 1997-11-14 | 2005-08-30 | Ac Capital Management, Inc. | Apparatus and method for compressing video information |
| US6222832B1 (en) * | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
| US6137844A (en) * | 1998-02-02 | 2000-10-24 | Oki Telecom, Inc. | Digital filter for noise and error removal in transmitted analog signals |
| EP0936743A1 (de) * | 1998-02-17 | 1999-08-18 | Koninklijke Philips Electronics N.V. | Iteratives Dekodierungsverfahren für binäre Blockcodes |
| GB2335815B (en) * | 1998-03-25 | 2002-02-27 | Sony Uk Ltd | Data compression |
| US6256422B1 (en) * | 1998-11-04 | 2001-07-03 | International Business Machines Corporation | Transform-domain correction of real-domain errors |
| US6393155B1 (en) * | 1998-11-04 | 2002-05-21 | International Business Machines Corporation | Error reduction in transformed digital data |
| US6567557B1 (en) | 1999-12-10 | 2003-05-20 | Stmicroelectronics, Inc. | Method for preventing dual-step half-pixel motion compensation accumulation errors in prediction-rich MPEG-2 sequences |
| EP1166566A2 (de) * | 1999-04-01 | 2002-01-02 | Ravisent Technologies, Inc. | Speicherverwaltungsverfahren zur verarbeitung von hochgeschwindigkeitdatenströmen in einem computer |
| GB2352905B (en) * | 1999-07-30 | 2003-10-29 | Sony Uk Ltd | Data compression |
| US6735249B1 (en) | 1999-08-11 | 2004-05-11 | Nokia Corporation | Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding |
| US6377627B1 (en) | 1999-08-31 | 2002-04-23 | Sony Corporation | Method and apparatus for decoding MPEG video data |
| US6456663B1 (en) * | 2000-03-29 | 2002-09-24 | Matsushita Electric Industrial Co., Ltd. | DCT domain down conversion system that compensates for IDCT mismatch |
| GB2364459B (en) * | 2000-06-30 | 2004-03-31 | Nokia Mobile Phones Ltd | Video error resilience |
| US7168069B1 (en) | 2000-07-12 | 2007-01-23 | Stmicroelectronics, Inc. | Dynamic generation of multimedia code for image processing |
| US6819715B2 (en) * | 2000-07-25 | 2004-11-16 | Matsushita Electric Industrial Co., Ltd. | Image decoding method, image decoding apparatus, and data storage medium |
| FR2815748B1 (fr) * | 2000-10-20 | 2003-01-24 | Canon Kk | Procede et dispositif de traitement et de decodage d'un signal numerique code |
| US8374237B2 (en) | 2001-03-02 | 2013-02-12 | Dolby Laboratories Licensing Corporation | High precision encoding and decoding of video images |
| ES2602575T3 (es) | 2001-11-06 | 2017-02-21 | Panasonic Intellectual Property Corporation Of America | Método de codificación de imágenes en movimiento y método de decodificación de imágenes en movimiento |
| KR100434740B1 (ko) * | 2001-11-09 | 2004-06-10 | 주식회사 휴맥스 | 디지털 방송 프로그램에서의 저배속 재생방법 |
| KR100632072B1 (ko) * | 2001-12-25 | 2006-10-04 | 마츠시타 덴끼 산교 가부시키가이샤 | 동화상 압축 부호화장치 및 모션벡터 검출방법 |
| KR100491530B1 (ko) | 2002-05-03 | 2005-05-27 | 엘지전자 주식회사 | 모션 벡터 결정 방법 |
| US7016547B1 (en) * | 2002-06-28 | 2006-03-21 | Microsoft Corporation | Adaptive entropy encoding/decoding for screen capture content |
| ES2378462T3 (es) | 2002-09-04 | 2012-04-12 | Microsoft Corporation | Codificación entrópica por adaptación de codificación entre modalidades de nivel y de longitud/nivel de cadencia |
| US7433824B2 (en) * | 2002-09-04 | 2008-10-07 | Microsoft Corporation | Entropy coding by adapting coding between level and run-length/level modes |
| KR100506864B1 (ko) | 2002-10-04 | 2005-08-05 | 엘지전자 주식회사 | 모션벡터 결정방법 |
| JP2006506929A (ja) * | 2002-11-12 | 2006-02-23 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 変換ドメインのサンプル毎の判定帰還型等化器 |
| US7292867B2 (en) * | 2003-01-16 | 2007-11-06 | Bones In Motion, Inc. | Location-aware fitness training device, methods, and program products that support real-time interactive communication and automated route generation |
| US7403561B2 (en) * | 2003-04-04 | 2008-07-22 | Avid Technology, Inc. | Fixed bit rate, intraframe compression and decompression of video |
| US7580584B2 (en) * | 2003-07-18 | 2009-08-25 | Microsoft Corporation | Adaptive multiple quantization |
| US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
| US7602851B2 (en) * | 2003-07-18 | 2009-10-13 | Microsoft Corporation | Intelligent differential quantization of video coding |
| US7738554B2 (en) | 2003-07-18 | 2010-06-15 | Microsoft Corporation | DC coefficient signaling at small quantization step sizes |
| US8218624B2 (en) * | 2003-07-18 | 2012-07-10 | Microsoft Corporation | Fractional quantization step sizes for high bit rates |
| US7688894B2 (en) * | 2003-09-07 | 2010-03-30 | Microsoft Corporation | Scan patterns for interlaced video content |
| US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
| US7782954B2 (en) * | 2003-09-07 | 2010-08-24 | Microsoft Corporation | Scan patterns for progressive video content |
| DE10345995B4 (de) | 2003-10-02 | 2005-07-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten |
| US7801383B2 (en) * | 2004-05-15 | 2010-09-21 | Microsoft Corporation | Embedded scalar quantizers with arbitrary dead-zone ratios |
| US8331445B2 (en) * | 2004-06-01 | 2012-12-11 | Qualcomm Incorporated | Method, apparatus, and system for enhancing robustness of predictive video codecs using a side-channel based on distributed source coding techniques |
| EP1815687A1 (de) * | 2004-11-16 | 2007-08-08 | Koninklijke Philips Electronics N.V. | Senderseitenkanaladaptive vidoübertragung |
| KR100669634B1 (ko) * | 2004-12-06 | 2007-01-15 | 엘지전자 주식회사 | 동영상 압축 및 복원 방법 |
| US8311119B2 (en) | 2004-12-31 | 2012-11-13 | Microsoft Corporation | Adaptive coefficient scan order |
| JP4270161B2 (ja) * | 2005-04-15 | 2009-05-27 | ソニー株式会社 | 情報記録再生システム、情報記録再生装置及び情報記録再生方法 |
| US8422546B2 (en) | 2005-05-25 | 2013-04-16 | Microsoft Corporation | Adaptive video encoding using a perceptual model |
| US7599840B2 (en) * | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
| US7684981B2 (en) * | 2005-07-15 | 2010-03-23 | Microsoft Corporation | Prediction of spectral coefficients in waveform coding and decoding |
| US7693709B2 (en) | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
| US7933337B2 (en) * | 2005-08-12 | 2011-04-26 | Microsoft Corporation | Prediction of transform coefficients for image compression |
| US8599925B2 (en) * | 2005-08-12 | 2013-12-03 | Microsoft Corporation | Efficient coding and decoding of transform blocks |
| US7565018B2 (en) * | 2005-08-12 | 2009-07-21 | Microsoft Corporation | Adaptive coding and decoding of wide-range coefficients |
| 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 |
| US8503536B2 (en) * | 2006-04-07 | 2013-08-06 | Microsoft Corporation | Quantization adjustments for DC shift artifacts |
| US8711925B2 (en) * | 2006-05-05 | 2014-04-29 | Microsoft Corporation | Flexible quantization |
| US8699810B2 (en) | 2006-06-26 | 2014-04-15 | Qualcomm Incorporated | Efficient fixed-point approximations of forward and inverse discrete cosine transforms |
| US8606023B2 (en) | 2006-06-26 | 2013-12-10 | Qualcomm Incorporated | Reduction of errors during computation of inverse discrete cosine transform |
| US8275045B2 (en) | 2006-07-12 | 2012-09-25 | Qualcomm Incorporated | Video compression using adaptive variable length codes |
| US20080036864A1 (en) * | 2006-08-09 | 2008-02-14 | Mccubbrey David | System and method for capturing and transmitting image data streams |
| US8565314B2 (en) | 2006-10-12 | 2013-10-22 | Qualcomm Incorporated | Variable length coding table selection based on block type statistics for refinement coefficient coding |
| US8599926B2 (en) | 2006-10-12 | 2013-12-03 | Qualcomm Incorporated | Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers |
| US8325819B2 (en) | 2006-10-12 | 2012-12-04 | Qualcomm Incorporated | Variable length coding table selection based on video block type for refinement coefficient coding |
| US9319700B2 (en) | 2006-10-12 | 2016-04-19 | Qualcomm Incorporated | Refinement coefficient coding based on history of corresponding transform coefficient values |
| DE102006049232B4 (de) * | 2006-10-18 | 2010-02-04 | Ods Technology Gmbh | Verfahren und Vorrichtung zur Vermeidung von Fehlern beim Runden von Werten nach Durchführung einer inversen diskreten Kosinus-Transformation |
| US8300698B2 (en) | 2006-10-23 | 2012-10-30 | Qualcomm Incorporated | Signalling of maximum dynamic range of inverse discrete cosine transform |
| US8238424B2 (en) * | 2007-02-09 | 2012-08-07 | Microsoft Corporation | Complexity-based adaptive preprocessing for multiple-pass video compression |
| US8184710B2 (en) * | 2007-02-21 | 2012-05-22 | Microsoft Corporation | Adaptive truncation of transform coefficient data in a transform-based digital media codec |
| 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 |
| US8774283B2 (en) * | 2007-03-30 | 2014-07-08 | Sony Corporation | Information processing device and method |
| KR101370286B1 (ko) | 2007-04-06 | 2014-03-06 | 삼성전자주식회사 | 레지듀얼 블록의 변형을 이용한 영상 부호화, 복호화 방법및 장치 |
| 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 |
| US7774205B2 (en) * | 2007-06-15 | 2010-08-10 | Microsoft Corporation | Coding of sparse digital media spectral data |
| US8619853B2 (en) | 2007-06-15 | 2013-12-31 | Qualcomm Incorporated | Separable directional transforms |
| US8571104B2 (en) | 2007-06-15 | 2013-10-29 | Qualcomm, Incorporated | Adaptive coefficient scanning in video coding |
| KR101401967B1 (ko) * | 2007-12-04 | 2014-06-27 | 삼성전자주식회사 | 암호화된 데이터 스트림의 트릭 플레이 방법 및 장치 |
| US8189933B2 (en) * | 2008-03-31 | 2012-05-29 | Microsoft Corporation | Classifying and controlling encoding quality for textured, dark smooth and smooth video content |
| US8179974B2 (en) | 2008-05-02 | 2012-05-15 | Microsoft Corporation | Multi-level representation of reordered transform coefficients |
| US8897359B2 (en) * | 2008-06-03 | 2014-11-25 | Microsoft Corporation | Adaptive quantization for enhancement layer video coding |
| US8270745B2 (en) * | 2008-06-27 | 2012-09-18 | Sony Corporation | Image processing device and image processing method |
| JPWO2009157581A1 (ja) * | 2008-06-27 | 2011-12-15 | ソニー株式会社 | 画像処理装置及び画像処理方法 |
| BRPI0904320A2 (pt) * | 2008-06-27 | 2015-06-30 | Sony Corp | Dispositivo e método de processamento de imagem |
| US8406307B2 (en) | 2008-08-22 | 2013-03-26 | Microsoft Corporation | Entropy coding/decoding of hierarchically organized data |
| US8798152B2 (en) * | 2008-09-11 | 2014-08-05 | General Instrument Corporation | Method and apparatus for fast motion estimation |
| JP2012516626A (ja) | 2009-01-27 | 2012-07-19 | トムソン ライセンシング | ビデオ符号化およびビデオ復号における変換の選択のための方法および装置 |
| EP2222086A1 (de) * | 2009-02-18 | 2010-08-25 | EcoDisc Technology AG | Verfahren und Vorrichtung zur Vermeidung von Rundungsfehlern nach Durchführung einer inversen diskreten orthogonalen Transformation |
| US8457425B2 (en) * | 2009-06-09 | 2013-06-04 | Sony Corporation | Embedded graphics coding for images with sparse histograms |
| KR101456498B1 (ko) * | 2009-08-14 | 2014-10-31 | 삼성전자주식회사 | 계층적 부호화 단위의 스캔 순서를 고려한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치 |
| JP5530198B2 (ja) * | 2009-11-20 | 2014-06-25 | パナソニック株式会社 | 画像符号化方法、復号化方法、装置 |
| JP5546329B2 (ja) * | 2010-04-14 | 2014-07-09 | キヤノン株式会社 | データ変換装置 |
| KR101690253B1 (ko) * | 2010-05-06 | 2016-12-27 | 삼성전자주식회사 | 영상 처리 장치 및 그 방법 |
| GB2483282B (en) * | 2010-09-03 | 2017-09-13 | Advanced Risc Mach Ltd | Data compression and decompression using relative and absolute delta values |
| US9268723B2 (en) * | 2011-12-21 | 2016-02-23 | Intel Corporation | Dram compression scheme to reduce power consumption in motion compensation and display refresh |
| US9008184B2 (en) * | 2012-01-20 | 2015-04-14 | Blackberry Limited | Multiple sign bit hiding within a transform unit |
| EP2675159B1 (de) * | 2012-06-15 | 2018-08-08 | BlackBerry Limited | Verbergen von Multibit-Information mithilfe überlappender Untermengen |
| CN104380740A (zh) * | 2012-06-29 | 2015-02-25 | 索尼公司 | 编码装置、编码方法、解码装置和解码方法 |
| US20140133574A1 (en) * | 2012-11-13 | 2014-05-15 | Mediatek Inc. | Method and Apparatus for Sign Data Hiding of Video and Image Data |
| CN110047499B (zh) * | 2013-01-29 | 2023-08-29 | 弗劳恩霍夫应用研究促进协会 | 低复杂度音调自适应音频信号量化 |
| US10306229B2 (en) | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| KR20180107153A (ko) | 2016-02-16 | 2018-10-01 | 삼성전자주식회사 | 영상 부호화 방법 및 장치와 영상 복호화 방법 및 장치 |
| US10623774B2 (en) | 2016-03-22 | 2020-04-14 | Qualcomm Incorporated | Constrained block-level optimization and signaling for video coding tools |
| US10225562B1 (en) * | 2017-08-21 | 2019-03-05 | Google Llc | Embedding information about EOB positions |
| US11323748B2 (en) | 2018-12-19 | 2022-05-03 | Qualcomm Incorporated | Tree-based transform unit (TU) partition for video coding |
| US11962757B2 (en) | 2019-03-23 | 2024-04-16 | Lg Electronics Inc. | Residual signal encoding/decoding method and apparatus employing intra sub-partitions (ISP), and method for transmitting bitstream |
| EP4020993A4 (de) | 2019-08-23 | 2022-09-07 | Mitsubishi Electric Corporation | Bildübertragungsvorrichtung, bildempfangsvorrichtung, bildübertragungsprogramm und bildempfangsprogramm |
| KR20210156985A (ko) | 2020-06-19 | 2021-12-28 | 삼성전자주식회사 | 일 함수 층들을 갖는 반도체 소자들 |
| KR20210158607A (ko) | 2020-06-24 | 2021-12-31 | 삼성전자주식회사 | 캡핑층을 포함하는 반도체 소자 |
| KR20210158615A (ko) | 2020-06-24 | 2021-12-31 | 삼성전자주식회사 | 게이트 라인을 포함하는 집적회로 소자 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138816A1 (de) * | 1981-09-30 | 1983-04-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zum speichern oder uebertragen und zum rueckgewinnen von bildsignalen |
| EP0232417B1 (de) * | 1985-10-02 | 1991-11-06 | Deutsche Thomson-Brandt GmbH | Verfahren zur korrektur von übertragungsfehlern |
| ES2031499T3 (es) * | 1986-03-20 | 1992-12-16 | American Telephone And Telegraph Company | Metodo y codificador para codificar senales de datos. |
| US5218650A (en) * | 1991-01-02 | 1993-06-08 | Ricoh Corporation | Quantization method for use in image compression |
| JP2909239B2 (ja) * | 1991-03-27 | 1999-06-23 | 株式会社東芝 | 高能率符号化記録再生装置 |
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