EA202092359A1 - Кодирование и декодирование видео - Google Patents

Кодирование и декодирование видео

Info

Publication number
EA202092359A1
EA202092359A1 EA202092359A EA202092359A EA202092359A1 EA 202092359 A1 EA202092359 A1 EA 202092359A1 EA 202092359 A EA202092359 A EA 202092359A EA 202092359 A EA202092359 A EA 202092359A EA 202092359 A1 EA202092359 A1 EA 202092359A1
Authority
EA
Eurasian Patent Office
Prior art keywords
samples
prediction samples
motion
encoder
decoding
Prior art date
Application number
EA202092359A
Other languages
English (en)
Inventor
Маттео Наккари
Марта Мрак
Саверио Блази
Андре Сеиксас Диас
Original Assignee
Бритиш Бродкастинг Корпорейшн
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Бритиш Бродкастинг Корпорейшн filed Critical Бритиш Бродкастинг Корпорейшн
Publication of EA202092359A1 publication Critical patent/EA202092359A1/ru

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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/17—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/19—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 using optimisation based on Lagrange multipliers
    • 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
    • H04N19/198—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 including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Abstract

Изобретение относится к способу декодирования битового потока видео, причем способ, содержащий этапы, на которых принимают битовый поток, представляющий собой остаточные выборки, созданные путем вычитания отфильтрованных кодером выборок предсказания с компенсацией движения из выборок изображения; и векторы движения, которые использовались при формировании выборок предсказания с компенсацией движения; процесс фильтрации кодера, который проводится над выборками предсказания с компенсацией движения в кодере, с по меньшей мере одним параметром; используют упомянутые векторы движения чтобы предоставлять выборки предсказания с компенсацией движения из ранее восстановленного изображения; осуществляют фильтрацию декодера упомянутых выборок предсказания с компенсацией движения в соответствии с упомянутым по меньшей мере одним параметром; и складывают упомянутые отфильтрованные выборки предсказания с компенсацией движения с упомянутыми остаточными выборками для восстановления изображений. Также раскрываются система и устройство, соответствующие данному способу.
EA202092359A 2018-04-04 2019-03-20 Кодирование и декодирование видео EA202092359A1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1805569.9A GB2572595B (en) 2018-04-04 2018-04-04 Video encoding and decoding
PCT/GB2019/050776 WO2019193313A1 (en) 2018-04-04 2019-03-20 Video encoding and decoding

Publications (1)

Publication Number Publication Date
EA202092359A1 true EA202092359A1 (ru) 2021-06-30

Family

ID=62142172

Family Applications (1)

Application Number Title Priority Date Filing Date
EA202092359A EA202092359A1 (ru) 2018-04-04 2019-03-20 Кодирование и декодирование видео

Country Status (7)

Country Link
US (1) US11317102B2 (ru)
EP (1) EP3777193A1 (ru)
KR (1) KR20200134318A (ru)
CN (1) CN112154667B (ru)
EA (1) EA202092359A1 (ru)
GB (1) GB2572595B (ru)
WO (1) WO2019193313A1 (ru)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8914843D0 (en) * 1989-06-28 1989-08-16 British Aerospace A method of processing video image data for use in the storage or transmission of moving digital images
US7764572B2 (en) * 2004-12-08 2010-07-27 Schlumberger Technology Corporation Methods and systems for acoustic waveform processing
US20060171569A1 (en) * 2005-01-10 2006-08-03 Madhukar Budagavi Video compression with blur compensation
US9014280B2 (en) * 2006-10-13 2015-04-21 Qualcomm Incorporated Video coding with adaptive filtering for motion compensated prediction
EP2048886A1 (en) * 2007-10-11 2009-04-15 Panasonic Corporation Coding of adaptive interpolation filter coefficients
US8270472B2 (en) * 2007-11-09 2012-09-18 Thomson Licensing Methods and apparatus for adaptive reference filtering (ARF) of bi-predictive pictures in multi-view coded video
US9143803B2 (en) * 2009-01-15 2015-09-22 Qualcomm Incorporated Filter prediction based on activity metrics in video coding
KR101660558B1 (ko) * 2009-02-03 2016-09-27 톰슨 라이센싱 비트 깊이 스케일리빌리티에서 스무드 참조 프레임에 의한 모션 보상을 하는 방법들 및 장치
WO2011112237A1 (en) * 2010-03-09 2011-09-15 Thomson Licensing Methods and apparatus for a classification-based loop filter
US9819966B2 (en) * 2010-09-01 2017-11-14 Qualcomm Incorporated Filter description signaling for multi-filter adaptive filtering
US20130083844A1 (en) * 2011-09-30 2013-04-04 In Suk Chong Coefficient coding for sample adaptive offset and adaptive loop filter
US9521423B2 (en) * 2014-06-26 2016-12-13 Sony Corporation Data encoding and decoding apparatus, method and storage medium
US10595050B2 (en) * 2015-11-24 2020-03-17 Samsung Electronics Co., Ltd. Method and apparatus for post-processing intra or inter prediction block on basis of gradient of pixel

Also Published As

Publication number Publication date
EP3777193A1 (en) 2021-02-17
GB2572595B (en) 2023-03-22
CN112154667A (zh) 2020-12-29
US20210168378A1 (en) 2021-06-03
CN112154667B (zh) 2023-05-23
GB201805569D0 (en) 2018-05-16
WO2019193313A1 (en) 2019-10-10
US11317102B2 (en) 2022-04-26
GB2572595A (en) 2019-10-09
KR20200134318A (ko) 2020-12-01

Similar Documents

Publication Publication Date Title
MX2021008449A (es) Metodo y dispositivo de codificacion de imagen usando bandera de salto de transformacion.
MX2020007663A (es) Procesamiento de una nube de puntos.
MY187403A (en) Apparatus and method for video motion compensation with selectable interpolation filter
GB2561515A8 (en) Method and apparatus for encoding image, and method and apparatus for decoding image
MX2023000074A (es) Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.
WO2013002549A3 (ko) 영상 부호화/복호화 방법 및 장치
MX2018011412A (es) Metodo y aparato para inter-prediccion en sistema de codificacion de video.
RU2014153258A (ru) Устройство, способ и компьютерная программа для кодирования и декодирования видеоинформации
MX2021011038A (es) Un codificador, un decodificador y metodos correspondientes.
EP3962085A3 (en) Image encoding and decoding method, encoding and decoding device, encoder and decoder
MX2020006623A (es) Metodo para codificar imagen con base en transformacion selectiva y dispositivo para el mismo.
MY188617A (en) Intra prediction from a predictive block using displacement vectors
MX2020006313A (es) Metodo de codificacion de imagenes basado en transformacion secundaria no separable y dispositivo para el mismo.
WO2019209444A3 (en) Method and apparatus for video coding
RU2015108787A (ru) Устройство кодирования движущихся изображений, устройство декодирования движущихся изображений, способ кодирования движущихся изображений и способ декодирования движущихся изображений
TW200718217A (en) Method and apparatus for weighted prediction for scalable video coding
MX2020006314A (es) Metodo de codificacion de imagenes basado en transformacion y dispositivo para el mismo.
JP2012502552A5 (ru)
PH12021551031A1 (en) Method for encoding/decoding image signal and device therefor
MX2021005493A (es) Metodo para codificar el coeficiente de transformacion con base en la puesta a cero de frecuencia alta y aparato del mismo.
MX2021002881A (es) Método de decodificación de imagen basado en predicción de movimiento afín y aparato usando la lista de candidato de mvp afín en el sistema de codificación de imagen.
MX2021003245A (es) Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo.
MX2021002815A (es) Metodo de codificacion residual y dispositivo para lo mismo.
EP4262212A3 (en) Image decoding and encoding method by an apparatus based on motion prediction in sub-block unit in image coding system
MX2021010704A (es) Metodo y aparato de codificacion/decodificacion de imagenes.