MX2020013276A - Dispositivo de codificacion, metodo de codificacion, dispositivo de descodificacion y metodo de descodificacion. - Google Patents
Dispositivo de codificacion, metodo de codificacion, dispositivo de descodificacion y metodo de descodificacion.Info
- Publication number
- MX2020013276A MX2020013276A MX2020013276A MX2020013276A MX2020013276A MX 2020013276 A MX2020013276 A MX 2020013276A MX 2020013276 A MX2020013276 A MX 2020013276A MX 2020013276 A MX2020013276 A MX 2020013276A MX 2020013276 A MX2020013276 A MX 2020013276A
- Authority
- MX
- Mexico
- Prior art keywords
- transformation
- coding
- decoding
- base
- coefficient
- Prior art date
Links
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
- H04N19/10—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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
-
- 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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
-
- 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
- H04N19/17—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 an image region, e.g. an object
- H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/423—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 characterised by memory arrangements
-
- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
-
- 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
- H04N19/60—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
- H04N19/619—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding the transform being operated outside the prediction loop
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Se proporciona un codificador (100) que codifica un bloque actual en una imagen que incluye circuitaje y memoria. Usando la memoria, el circuitaje: realiza una primera transformada sobre una señal residual del bloque actual usando una base de primera transformada para generar coeficientes de primera transformada; y realiza una segunda transformada sobre los coeficientes de primera transformada usando una base de segunda transformada para generar coeficientes de segunda transformada y cuantificar los coeficientes de segunda transformada, cuando la base de primera transformada es la misma que una base de transformada predeterminada; y cuantifica los coeficientes de primera transformada sin realizar la segunda transformada cuando la base de primera transformada es diferente de la base de transformada predeterminada.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762532050P | 2017-07-13 | 2017-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2020013276A true MX2020013276A (es) | 2021-02-22 |
Family
ID=65002115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2020013276A MX2020013276A (es) | 2017-07-13 | 2020-01-08 | Dispositivo de codificacion, metodo de codificacion, dispositivo de descodificacion y metodo de descodificacion. |
Country Status (14)
Country | Link |
---|---|
US (3) | US10742977B2 (es) |
EP (3) | EP3955572B1 (es) |
JP (4) | JP6756919B2 (es) |
KR (4) | KR102399384B1 (es) |
CN (7) | CN114173124B (es) |
BR (1) | BR112020000219A2 (es) |
CA (2) | CA3086574A1 (es) |
ES (1) | ES2917553T3 (es) |
HU (1) | HUE059331T2 (es) |
LT (2) | LT3955572T (es) |
MX (1) | MX2020013276A (es) |
PL (1) | PL3637767T3 (es) |
TW (4) | TW202322631A (es) |
WO (1) | WO2019013235A1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW202322631A (zh) * | 2017-07-13 | 2023-06-01 | 美商松下電器(美國)知識產權公司 | 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體 |
CN116055718A (zh) | 2018-09-05 | 2023-05-02 | Lg电子株式会社 | 设备对图像信号进行编码/解码的方法及比特流发送方法 |
MX2021012063A (es) * | 2019-04-16 | 2021-11-03 | Panasonic Ip Corp America | Codificador, decodificador, metodo de codificacion y metodo de decodificacion. |
WO2020218580A1 (ja) * | 2019-04-24 | 2020-10-29 | 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、および復号方法 |
CN117915098A (zh) * | 2019-06-14 | 2024-04-19 | 松下电器(美国)知识产权公司 | 解码装置和非暂时性的计算机可读取介质 |
US20230142928A1 (en) * | 2020-04-02 | 2023-05-11 | Lg Electronics Inc. | Transform-based image coding method and device therefor |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6341144B1 (en) | 1996-09-20 | 2002-01-22 | At&T Corp. | Video coder providing implicit coefficient prediction and scan adaptation for image coding and intra coding of video |
US6898288B2 (en) * | 2001-10-22 | 2005-05-24 | Telesecura Corporation | Method and system for secure key exchange |
HUP0301368A3 (en) * | 2003-05-20 | 2005-09-28 | Amt Advanced Multimedia Techno | Method and equipment for compressing motion picture data |
DE10331803A1 (de) * | 2003-07-14 | 2005-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Umsetzen in eine transformierte Darstellung oder zum inversen Umsetzen der transformierten Darstellung |
US20050206741A1 (en) * | 2004-03-19 | 2005-09-22 | Raber Gregory W | Law enforcement vehicle surveillance system |
US20050264545A1 (en) | 2004-05-27 | 2005-12-01 | Walker Ray A | Method and system for determining the location of a movable icon on a display surface |
US20050265445A1 (en) * | 2004-06-01 | 2005-12-01 | Jun Xin | Transcoding videos based on different transformation kernels |
US20100086028A1 (en) | 2007-04-16 | 2010-04-08 | Kabushiki Kaisha Toshiba | Video encoding and decoding method and apparatus |
WO2011016248A1 (ja) * | 2009-08-06 | 2011-02-10 | パナソニック株式会社 | 符号化方法、復号方法、符号化装置及び復号装置 |
WO2011016251A1 (ja) | 2009-08-06 | 2011-02-10 | パナソニック株式会社 | 符号化方法、復号方法、符号化装置及び復号装置 |
WO2011022043A1 (en) * | 2009-08-20 | 2011-02-24 | Thomson Licensing | Method and apparatus for reusing tree structures to encode and decode binary sets |
KR101441879B1 (ko) * | 2009-12-09 | 2014-09-23 | 에스케이텔레콤 주식회사 | 영상 부호화 장치 및 방법, 및 거기에 이용되는 변환 부호화 장치 및 방법, 변환기저 생성장치 및 방법, 및 영상 복호화 장치 및 방법 |
WO2011118156A1 (ja) * | 2010-03-24 | 2011-09-29 | パナソニック株式会社 | 画像復号装置、画像符号化装置、画像復号回路及び画像復号方法 |
EP2705667B1 (en) * | 2011-06-30 | 2016-09-21 | Huawei Technologies Co., Ltd. | Lossless coding and associated signaling methods for compound video |
CN107835414B (zh) * | 2011-10-18 | 2020-11-06 | 株式会社Kt | 视频信号解码方法 |
US9131210B2 (en) * | 2012-03-16 | 2015-09-08 | Texas Instruments Incorporated | Low-complexity two-dimensional (2D) separable transform design with transpose buffer management |
US9602826B2 (en) * | 2014-06-27 | 2017-03-21 | Massachusetts Institute Of Technology | Managing transforms for compressing and decompressing visual data |
US10491922B2 (en) * | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
CN105791867B (zh) * | 2016-03-23 | 2019-02-22 | 北京大学 | 基于边界自适应变换的优化视频数据编码方法 |
CN114598865A (zh) * | 2016-03-28 | 2022-06-07 | 株式会社Kt | 对视频进行解码和编码的方法以及解码的装置 |
WO2017173593A1 (en) * | 2016-04-06 | 2017-10-12 | Mediatek Singapore Pte. Ltd. | Separate coding secondary transform syntax elements for different color components |
EP3457691A1 (en) * | 2016-05-13 | 2019-03-20 | Sharp Kabushiki Kaisha | Image decoding device and image encoding device |
US11228770B2 (en) * | 2016-05-16 | 2022-01-18 | Qualcomm Incorporated | Loop sample processing for high dynamic range and wide color gamut video coding |
TW202322631A (zh) * | 2017-07-13 | 2023-06-01 | 美商松下電器(美國)知識產權公司 | 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體 |
-
2018
- 2018-07-10 TW TW112102272A patent/TW202322631A/zh unknown
- 2018-07-10 TW TW111111115A patent/TWI777907B/zh active
- 2018-07-10 TW TW111131151A patent/TWI794129B/zh active
- 2018-07-10 TW TW107123847A patent/TWI761551B/zh active
- 2018-07-11 KR KR1020207034738A patent/KR102399384B1/ko active Application Filing
- 2018-07-11 CN CN202210052356.4A patent/CN114173124B/zh active Active
- 2018-07-11 EP EP21199072.6A patent/EP3955572B1/en active Active
- 2018-07-11 KR KR1020227016026A patent/KR102556279B1/ko active IP Right Grant
- 2018-07-11 EP EP24166623.9A patent/EP4373091A3/en active Pending
- 2018-07-11 CN CN202210052229.4A patent/CN114173121B/zh active Active
- 2018-07-11 CN CN202210052230.7A patent/CN114173122B/zh active Active
- 2018-07-11 EP EP18832876.9A patent/EP3637767B1/en active Active
- 2018-07-11 CA CA3086574A patent/CA3086574A1/en active Pending
- 2018-07-11 KR KR1020207000316A patent/KR102188582B1/ko active IP Right Grant
- 2018-07-11 PL PL18832876.9T patent/PL3637767T3/pl unknown
- 2018-07-11 CN CN202210052357.9A patent/CN114173125B/zh active Active
- 2018-07-11 ES ES18832876T patent/ES2917553T3/es active Active
- 2018-07-11 BR BR112020000219-4A patent/BR112020000219A2/pt unknown
- 2018-07-11 KR KR1020237023521A patent/KR20230108353A/ko not_active Application Discontinuation
- 2018-07-11 CA CA3069579A patent/CA3069579C/en active Active
- 2018-07-11 LT LTEP21199072.6T patent/LT3955572T/lt unknown
- 2018-07-11 CN CN202210052241.5A patent/CN114173123B/zh active Active
- 2018-07-11 CN CN201880045386.4A patent/CN110892720B/zh active Active
- 2018-07-11 JP JP2019529752A patent/JP6756919B2/ja active Active
- 2018-07-11 HU HUE18832876A patent/HUE059331T2/hu unknown
- 2018-07-11 WO PCT/JP2018/026113 patent/WO2019013235A1/ja unknown
- 2018-07-11 LT LTEPPCT/JP2018/026113T patent/LT3637767T/lt unknown
- 2018-07-11 CN CN202110493689.6A patent/CN113115035B/zh active Active
-
2020
- 2020-01-08 MX MX2020013276A patent/MX2020013276A/es unknown
- 2020-01-09 US US16/738,398 patent/US10742977B2/en active Active
- 2020-06-23 US US16/909,356 patent/US11895299B2/en active Active
- 2020-08-27 JP JP2020143622A patent/JP7109511B2/ja active Active
-
2022
- 2022-07-19 JP JP2022115137A patent/JP7299386B2/ja active Active
-
2023
- 2023-06-15 JP JP2023098496A patent/JP2023107985A/ja active Pending
- 2023-12-20 US US18/390,668 patent/US20240146925A1/en active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX2020013276A (es) | Dispositivo de codificacion, metodo de codificacion, dispositivo de descodificacion y metodo de descodificacion. | |
MX2016011590A (es) | Uso de una imagen actual como una referencia para la codificacion de video. | |
PH12019500094A1 (en) | Transmission device, reception device, communication method, and integrated circuit | |
WO2016123398A3 (en) | Intra-block copy searching | |
MY171807A (en) | Signaling of clock tick derivation information for video timing in video coding | |
MX360311B (es) | Dispositivo y metodo para codificacion escalable de informacion de video. | |
TN2017000327A1 (en) | Restriction on palette block size in video coding | |
MX2019008023A (es) | Metodo de procesamiento de imagen, y aparato para el mismo. | |
MX2017016049A (es) | Agrupacion de intervalos de omision de paleta para codificacion de video. | |
TW201615012A (en) | Palette mode encoding and decoding design | |
TN2017000297A1 (en) | Coding escape pixels for palette coding | |
MX2017016832A (es) | Metodos y dispositivos para codificar y decodificar una imagen de color hdr. | |
MY166883A (en) | Determining contexts for coding transform coefficient data in video coding | |
MY183211A (en) | Palette index grouping for video coding | |
MY182651A (en) | Information processing apparatus and method | |
MX2018011255A (es) | Metodo y dispositivo para codificar una imagen de alto rango dinamico, metodo de decodificacion correspondiente y dispositivo de decodificacion. | |
WO2020106564A3 (en) | Method and device for picture encoding and decoding | |
MX2016004643A (es) | Dispositivo y metodo para codificacion escalable de informacion de video. | |
EP3886436A4 (en) | VIDEO ENCODING METHOD AND DEVICE, ELECTRONIC DEVICE AND COMPUTER READABLE STORAGE MEDIUM | |
GB2563419A8 (en) | Polar decoder, communication unit, integrated circuit and method therefor | |
MX2020011906A (es) | Compensacion de movimiento para codificacion y decodificacion de video. | |
MY180423A (en) | Signal encoding method and apparatus, and signal decoding method and apparatus | |
MX2016002292A (es) | Metodo y dispositivo para comprimir un programa de firmware, metodo y dispositivo para descomprimir un programa de firmware. | |
CL2021001439A1 (es) | Procesamiento de coeficientes para codificación y decodificación de video | |
EP4336840A3 (en) | A method and a device for picture encoding and decoding |