MX367546B - Dispositvo para procesamiento de imagen y método para procesamiento de imagen. - Google Patents
Dispositvo para procesamiento de imagen y método para procesamiento de imagen.Info
- Publication number
- MX367546B MX367546B MX2017001340A MX2017001340A MX367546B MX 367546 B MX367546 B MX 367546B MX 2017001340 A MX2017001340 A MX 2017001340A MX 2017001340 A MX2017001340 A MX 2017001340A MX 367546 B MX367546 B MX 367546B
- Authority
- MX
- Mexico
- Prior art keywords
- image processing
- layer
- quantization
- color difference
- quantization parameter
- Prior art date
Links
- 238000003672 processing method Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 abstract 7
Classifications
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- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image 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
- H04N19/10—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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
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- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
- H04N19/10—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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/187—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 scalable video layer
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/60—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
- H04N19/70—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Color Television Systems (AREA)
Abstract
Se proporciona un dispositivo para procesamiento de imagen que incluye una sección de control configurada para establecer, con base en la primera compensación del parámetro de cuantificación establecida para un componente de croma de la primera capa, una segunda compensación del parámetro de cuantificación para un componente de croma de una segunda capa decodificada con referencia a la primera capa, y una sección de cuantificación inversa configurada para cuantificar de forma inversa los datos del coeficiente de transformación del componente de croma de la segunda capa usando un parámetro de cuantificación calculado usando la segunda compensación del parámetro de cuantificación establecida por la sección de control.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012275775 | 2012-12-18 | ||
JP2013144930 | 2013-07-10 | ||
PCT/JP2013/081406 WO2014097816A1 (ja) | 2012-12-18 | 2013-11-21 | 画像処理装置及び画像処理方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX367546B true MX367546B (es) | 2019-08-27 |
Family
ID=50978159
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2017001340A MX367546B (es) | 2012-12-18 | 2013-11-21 | Dispositvo para procesamiento de imagen y método para procesamiento de imagen. |
MX2015007443A MX345489B (es) | 2012-12-18 | 2013-11-21 | Dispositivo para procesamiento de imagen y metodo para procesamiento de imagen. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015007443A MX345489B (es) | 2012-12-18 | 2013-11-21 | Dispositivo para procesamiento de imagen y metodo para procesamiento de imagen. |
Country Status (15)
Country | Link |
---|---|
US (3) | US9967578B2 (es) |
EP (2) | EP3273691B1 (es) |
JP (2) | JP6406014B2 (es) |
KR (2) | KR102307099B1 (es) |
CN (2) | CN109068136B (es) |
AU (2) | AU2013365309A1 (es) |
BR (1) | BR112015013768A2 (es) |
CA (1) | CA2894637A1 (es) |
CO (1) | CO7380755A2 (es) |
MX (2) | MX367546B (es) |
PH (1) | PH12015501311A1 (es) |
RU (2) | RU2639250C2 (es) |
SG (1) | SG11201504504YA (es) |
WO (1) | WO2014097816A1 (es) |
ZA (1) | ZA201503589B (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9414054B2 (en) | 2012-07-02 | 2016-08-09 | Microsoft Technology Licensing, Llc | Control and use of chroma quantization parameter values |
US9591302B2 (en) * | 2012-07-02 | 2017-03-07 | Microsoft Technology Licensing, Llc | Use of chroma quantization parameter offsets in deblocking |
US10356405B2 (en) * | 2013-11-04 | 2019-07-16 | Integrated Device Technology, Inc. | Methods and apparatuses for multi-pass adaptive quantization |
US9794558B2 (en) * | 2014-01-08 | 2017-10-17 | Qualcomm Incorporated | Support of non-HEVC base layer in HEVC multi-layer extensions |
PE20171159A1 (es) | 2014-10-03 | 2017-08-17 | Nec Corp | Dispositivo de codificacion de video, dispositivo de descodificacion de video, metodo de codificacion de video, metodo de descodificacion de video y programa |
EP3041233A1 (en) * | 2014-12-31 | 2016-07-06 | Thomson Licensing | High frame rate-low frame rate transmission technique |
CN107710760A (zh) * | 2015-10-15 | 2018-02-16 | 富士通株式会社 | 图像编码方法、装置以及图像处理设备 |
CN106856571B (zh) * | 2015-12-09 | 2019-12-06 | 阿里巴巴集团控股有限公司 | 一种转码方法及装置 |
ES2739668B1 (es) | 2016-03-28 | 2021-12-03 | Kt Corp | Metodo y aparato para procesar senales de video |
US10432936B2 (en) * | 2016-04-14 | 2019-10-01 | Qualcomm Incorporated | Apparatus and methods for perceptual quantization parameter (QP) weighting for display stream compression |
CN107646206B (zh) * | 2016-05-20 | 2020-11-27 | 华为技术有限公司 | 一种通信方法和装置 |
US20200186841A1 (en) * | 2017-06-09 | 2020-06-11 | Sony Semiconductor Solutions Corporation | Picture transmission device and picture reception device |
EP3649782A4 (en) * | 2017-07-05 | 2021-04-14 | Telefonaktiebolaget LM Ericsson (PUBL) | DECODING A BLOCK OF VIDEO SAMPLE |
US11019339B2 (en) | 2017-07-12 | 2021-05-25 | Futurewei Technologies, Inc. | Fractional quantization parameter offset in video compression |
CN109819253B (zh) * | 2017-11-21 | 2022-04-22 | 腾讯科技(深圳)有限公司 | 视频编码方法、装置、计算机设备和存储介质 |
EP3496404A1 (en) * | 2017-12-06 | 2019-06-12 | V-Nova International Limited | Image processing |
US11463763B2 (en) | 2018-03-08 | 2022-10-04 | Dish Network L.L.C. | Reducing digital video recorder storage through reduced encoding of certain program portions |
US10873778B2 (en) * | 2018-03-08 | 2020-12-22 | Dish Network L.L.C. | Reducing digital video recorder storage through reduced encoding of certain program portions |
JP7105675B2 (ja) | 2018-11-02 | 2022-07-25 | 株式会社東芝 | 送信装置、サーバ装置、送信方法およびプログラム |
CN114009007A (zh) * | 2019-06-28 | 2022-02-01 | 索尼半导体解决方案公司 | 发送装置、接收装置和传输系统 |
TWI731579B (zh) * | 2020-02-11 | 2021-06-21 | 日商東芝股份有限公司 | 傳輸裝置、通訊系統、傳輸方法及電腦程式產品 |
WO2023132532A1 (ko) * | 2022-01-07 | 2023-07-13 | 엘지전자 주식회사 | 피쳐 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6788740B1 (en) * | 1999-10-01 | 2004-09-07 | Koninklijke Philips Electronics N.V. | System and method for encoding and decoding enhancement layer data using base layer quantization data |
US7263124B2 (en) | 2001-09-26 | 2007-08-28 | Intel Corporation | Scalable coding scheme for low latency applications |
AU2003285850A1 (en) * | 2002-04-23 | 2004-04-30 | Nokia Corporation | Method and device for indicating quantizer parameters in a video coding system |
JP4196726B2 (ja) * | 2003-05-14 | 2008-12-17 | ソニー株式会社 | 画像処理装置および画像処理方法、記録媒体、並びに、プログラム |
EP1675402A1 (en) * | 2004-12-22 | 2006-06-28 | Thomson Licensing | Optimisation of a quantisation matrix for image and video coding |
US7995656B2 (en) * | 2005-03-10 | 2011-08-09 | Qualcomm Incorporated | Scalable video coding with two layer encoding and single layer decoding |
JP2007006390A (ja) * | 2005-06-27 | 2007-01-11 | Sony Corp | 画像処理装置、画像処理方法及びプログラム |
JP2009500941A (ja) * | 2005-07-08 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | 情報を圧縮/圧縮解除するためにビデオ信号のコーディング情報をモデリングする方法 |
JP2007266749A (ja) * | 2006-03-27 | 2007-10-11 | Sanyo Electric Co Ltd | 符号化方法 |
US20070230564A1 (en) * | 2006-03-29 | 2007-10-04 | Qualcomm Incorporated | Video processing with scalability |
US7773672B2 (en) * | 2006-05-30 | 2010-08-10 | Freescale Semiconductor, Inc. | Scalable rate control system for a video encoder |
US8059714B2 (en) * | 2006-07-10 | 2011-11-15 | Sharp Laboratories Of America, Inc. | Methods and systems for residual layer scaling |
CN102685496B (zh) * | 2006-07-10 | 2014-11-05 | 夏普株式会社 | 用于组合多层比特流中的层的方法和系统 |
KR101366249B1 (ko) * | 2007-06-28 | 2014-02-21 | 삼성전자주식회사 | 스케일러블 영상 부호화장치 및 방법과 그 영상 복호화장치및 방법 |
US9648325B2 (en) * | 2007-06-30 | 2017-05-09 | Microsoft Technology Licensing, Llc | Video decoding implementations for a graphics processing unit |
KR101375663B1 (ko) * | 2007-12-06 | 2014-04-03 | 삼성전자주식회사 | 영상을 계층적으로 부호화/복호화하는 방법 및 장치 |
US8897359B2 (en) * | 2008-06-03 | 2014-11-25 | Microsoft Corporation | Adaptive quantization for enhancement layer video coding |
US20100309987A1 (en) * | 2009-06-05 | 2010-12-09 | Apple Inc. | Image acquisition and encoding system |
US20120063515A1 (en) * | 2010-09-09 | 2012-03-15 | Qualcomm Incorporated | Efficient Coding of Video Parameters for Weighted Motion Compensated Prediction in Video Coding |
US9749630B2 (en) * | 2010-09-30 | 2017-08-29 | Sun Patent Trust | Image decoding method, image coding method, image decoding apparatus, image coding apparatus, program, and integrated circuit |
EP2675161B1 (en) * | 2011-02-10 | 2018-11-14 | Velos Media International Limited | Image processing device and image processing method |
US9641840B2 (en) * | 2011-05-20 | 2017-05-02 | Sony Corporation | Processing device and image processing method for encoding and decoding image |
TWI575933B (zh) * | 2011-11-04 | 2017-03-21 | 杜比實驗室特許公司 | 階層式視覺動態範圍編碼中之層分解技術 |
KR102030205B1 (ko) * | 2012-01-20 | 2019-10-08 | 선 페이턴트 트러스트 | 시간 움직임 벡터 예측을 사용하여 비디오를 부호화 및 복호하는 방법 및 장치 |
US9635356B2 (en) * | 2012-08-07 | 2017-04-25 | Qualcomm Incorporated | Multi-hypothesis motion compensation for scalable video coding and 3D video coding |
US9344718B2 (en) * | 2012-08-08 | 2016-05-17 | Qualcomm Incorporated | Adaptive up-sampling filter for scalable video coding |
KR20140034053A (ko) * | 2012-08-21 | 2014-03-19 | 삼성전자주식회사 | 트리 구조의 부호화 단위에 기초한 예측 정보의 인터-레이어 비디오 부호화 방법 및 그 장치, 트리 구조의 부호화 단위에 기초한 예측 정보의 인터-레이어 비디오 복호화 방법 및 그 장치 |
CN105103563B (zh) * | 2013-04-08 | 2019-05-21 | 寰发股份有限公司 | 关于缩放列表数据信令的方法和装置 |
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2013
- 2013-11-21 CN CN201811100458.9A patent/CN109068136B/zh active Active
- 2013-11-21 AU AU2013365309A patent/AU2013365309A1/en not_active Abandoned
- 2013-11-21 SG SG11201504504YA patent/SG11201504504YA/en unknown
- 2013-11-21 KR KR1020217015631A patent/KR102307099B1/ko active IP Right Grant
- 2013-11-21 KR KR1020157013021A patent/KR102258356B1/ko active IP Right Grant
- 2013-11-21 BR BR112015013768A patent/BR112015013768A2/pt not_active Application Discontinuation
- 2013-11-21 CN CN201380064914.8A patent/CN104871539B/zh active Active
- 2013-11-21 US US14/441,671 patent/US9967578B2/en not_active Expired - Fee Related
- 2013-11-21 MX MX2017001340A patent/MX367546B/es unknown
- 2013-11-21 WO PCT/JP2013/081406 patent/WO2014097816A1/ja active Application Filing
- 2013-11-21 RU RU2015122700A patent/RU2639250C2/ru not_active IP Right Cessation
- 2013-11-21 JP JP2014553036A patent/JP6406014B2/ja active Active
- 2013-11-21 CA CA2894637A patent/CA2894637A1/en not_active Abandoned
- 2013-11-21 RU RU2017137110A patent/RU2667719C1/ru not_active IP Right Cessation
- 2013-11-21 MX MX2015007443A patent/MX345489B/es active IP Right Grant
- 2013-11-21 EP EP17181919.6A patent/EP3273691B1/en active Active
- 2013-11-21 EP EP13863956.2A patent/EP2908526A4/en not_active Withdrawn
-
2015
- 2015-05-21 ZA ZA2015/03589A patent/ZA201503589B/en unknown
- 2015-06-03 CO CO15126734A patent/CO7380755A2/es unknown
- 2015-06-09 PH PH12015501311A patent/PH12015501311A1/en unknown
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2018
- 2018-02-09 US US15/892,972 patent/US10368082B2/en active Active
- 2018-02-16 AU AU2018201160A patent/AU2018201160B2/en not_active Expired - Fee Related
- 2018-08-27 JP JP2018158229A patent/JP6610735B2/ja active Active
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2019
- 2019-05-08 US US16/406,616 patent/US10609400B2/en active Active
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