BR112021025461A2 - Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo - Google Patents

Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo

Info

Publication number
BR112021025461A2
BR112021025461A2 BR112021025461A BR112021025461A BR112021025461A2 BR 112021025461 A2 BR112021025461 A2 BR 112021025461A2 BR 112021025461 A BR112021025461 A BR 112021025461A BR 112021025461 A BR112021025461 A BR 112021025461A BR 112021025461 A2 BR112021025461 A2 BR 112021025461A2
Authority
BR
Brazil
Prior art keywords
motion vector
derivation
vector prediction
temporal motion
video bitstream
Prior art date
Application number
BR112021025461A
Other languages
English (en)
Portuguese (pt)
Inventor
Dmytro Rusanovskyy
Marta Karczewicz
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112021025461A2 publication Critical patent/BR112021025461A2/pt

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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021025461A 2019-06-25 2020-06-24 Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo BR112021025461A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962866536P 2019-06-25 2019-06-25
US201962867021P 2019-06-26 2019-06-26
US201962868462P 2019-06-28 2019-06-28
US16/909,856 US11601666B2 (en) 2019-06-25 2020-06-23 Derivation of temporal motion vector prediction candidates in video coding
PCT/US2020/039311 WO2020263940A1 (en) 2019-06-25 2020-06-24 Derivation of temporal motion vector prediction candidates in video coding

Publications (1)

Publication Number Publication Date
BR112021025461A2 true BR112021025461A2 (pt) 2022-02-01

Family

ID=74044828

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025461A BR112021025461A2 (pt) 2019-06-25 2020-06-24 Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo

Country Status (7)

Country Link
US (1) US11601666B2 (https=)
EP (1) EP3991404A1 (https=)
JP (1) JP2022539005A (https=)
KR (1) KR20220024128A (https=)
CN (1) CN114009039B (https=)
BR (1) BR112021025461A2 (https=)
WO (1) WO2020263940A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114402591B (zh) * 2019-09-13 2024-08-02 北京字节跳动网络技术有限公司 并置运动矢量的推导
JP2022548351A (ja) * 2019-09-19 2022-11-18 アリババ グループ ホウルディング リミテッド マージ候補リストを構築するための方法
CN121531144A (zh) * 2019-10-25 2026-02-13 夏普株式会社 用于在视频编码中发送信号通知图片信息的系统和方法
CN113159921B (zh) * 2021-04-23 2024-10-25 上海晓途网络科技有限公司 一种逾期预测方法、装置、电子设备及存储介质
US12143592B2 (en) * 2022-09-02 2024-11-12 Tencent America LLC Systems and methods for temporal motion vector prediction candidate derivation
WO2025021011A1 (en) * 2023-07-21 2025-01-30 Mediatek Inc. Combined prediction mode

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3139611A1 (en) 2011-03-14 2017-03-08 HFI Innovation Inc. Method and apparatus for deriving temporal motion vector prediction
US9288500B2 (en) * 2011-05-12 2016-03-15 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
KR101607038B1 (ko) * 2011-11-21 2016-04-11 모토로라 모빌리티 엘엘씨 시간 예측을 위한 병치된 픽처의 암시적 결정 및 결합된 암시적 및 명시적 결정
ES2728146T3 (es) * 2012-01-20 2019-10-22 Sun Patent Trust Procedimientos y aparato de codificación y decodificación de vídeo utilizando predicción temporal de vector de movimiento
CN103563373B (zh) * 2012-02-03 2017-09-26 太阳专利托管公司 图像编码方法及图像编码装置
JP6421931B2 (ja) * 2012-03-06 2018-11-14 サン パテント トラスト 動画像符号化方法及び動画像符号化装置
US9210425B2 (en) * 2012-04-11 2015-12-08 Google Technology Holdings LLC Signaling of temporal motion vector predictor (MVP) flag for temporal prediction
CA2864002A1 (en) 2012-04-24 2013-10-31 Mediatek Inc. Method and apparatus of motion vector derivation for 3d video coding
US9838685B2 (en) * 2012-06-15 2017-12-05 Google Technology Holdings LLC Method and apparatus for efficient slice header processing
US9325990B2 (en) * 2012-07-09 2016-04-26 Qualcomm Incorporated Temporal motion vector prediction in video coding extensions
US9319681B2 (en) * 2012-07-18 2016-04-19 Google Technology Holdings LLC Signaling of temporal motion vector predictor (MVP) enable flag
US9491461B2 (en) * 2012-09-27 2016-11-08 Qualcomm Incorporated Scalable extensions to HEVC and temporal motion vector prediction
US20140092971A1 (en) * 2012-09-28 2014-04-03 Kiran Mukesh Misra Picture processing in scalable video systems
US9124899B2 (en) * 2012-09-28 2015-09-01 Sharp Laboratories Of America, Inc. Motion derivation and coding for scaling video
US20140092972A1 (en) * 2012-09-29 2014-04-03 Kiran Mukesh Misra Picture processing in scalable video systems
US10178410B2 (en) * 2012-10-03 2019-01-08 Mediatek Inc. Method and apparatus of motion information management in video coding
US9674542B2 (en) * 2013-01-02 2017-06-06 Qualcomm Incorporated Motion vector prediction for video coding
WO2016048834A1 (en) * 2014-09-26 2016-03-31 Vid Scale, Inc. Intra block copy coding with temporal block vector prediction
US9918105B2 (en) * 2014-10-07 2018-03-13 Qualcomm Incorporated Intra BC and inter unification
WO2016165069A1 (en) 2015-04-14 2016-10-20 Mediatek Singapore Pte. Ltd. Advanced temporal motion vector prediction in video coding
US10834419B2 (en) * 2016-04-13 2020-11-10 Qualcomm Incorporated Conformance constraint for collocated reference index in video coding
US10812791B2 (en) * 2016-09-16 2020-10-20 Qualcomm Incorporated Offset vector identification of temporal motion vector predictor
US10735763B2 (en) * 2018-07-27 2020-08-04 Tencent America LLC Method and apparatus for motion vector prediction using spatial and temporal combination

Also Published As

Publication number Publication date
JP2022539005A (ja) 2022-09-07
US20200413081A1 (en) 2020-12-31
CN114009039B (zh) 2025-02-18
KR20220024128A (ko) 2022-03-03
CN114009039A (zh) 2022-02-01
EP3991404A1 (en) 2022-05-04
US11601666B2 (en) 2023-03-07
WO2020263940A1 (en) 2020-12-30

Similar Documents

Publication Publication Date Title
BR112021025461A2 (pt) Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo
MX2024013518A (es) Método de codificación/decodificación de señal de imagen y aparato para el mismo
MX2023012298A (es) Metodo y aparato de decodificacion de video y metodo y aparato de codificacion de video.
CL2021000476A1 (es) Predicción de movimiento afín
PH12021551031A1 (en) Method for encoding/decoding image signal and device therefor
MX2024007381A (es) Metodo de codificacion y decodificacion de informacion de movimiento, y aparatos para codificar y decodificar informacion de movimiento.
MX2025003842A (es) Metodo y dispositivo de codificacion/decodificacion de imagen para realizar prediccion ponderada y metodo para transmitir flujo de bits
MX2021011025A (es) Un codificador, un decodificador y métodos correspondientes.
MX2024013246A (es) Metodo para codificacion/decodifcacion de se?ales de video y aparato para lo mismo
BR112017024275A2 (pt) determinação de região de busca para inter-codificação dentro de imagem específica de dados de vídeo
MY198479A (en) Video Encoding Method, Video Decoding Method, and Terminal
MX2024013925A (es) Metodo para codificar imagen a base de intra prediccion usando la lista del modo mas probable (mpm) y aparato para el mismo
BR112014017895A8 (pt) Método de decodificação de imagem
MX2024011341A (es) Método de codificación/decodificación de señales de imagen y dispositivo para lo mismo.
PH12020552273A1 (en) Merge mode-based inter-prediction method and apparatus
MX2024015088A (es) Procedimiento de codificación y decodificación de señal de vídeo y aparato para ello
MY194555A (en) Method and Apparatus for Image Coding and Decoding Through Inter Prediction
EP4451677A3 (en) Image decoding and encoding apparatus based on motion prediction in sub-block unit in image coding system
MY207781A (en) Video signal encoding/decoding method, and device therefor
MX2022006844A (es) Metodo y aparato para codificacion/decodificacion de imagen con base en encabezado de imagen que incluye informacion que se refiere a imagen co-localizada, y metodo para transmitir flujo de bits.
AR119237A1 (es) Derivación de candidatos de predicción de vectores de movimiento temporales en codificación de video
BR112023018885A2 (pt) Codificação adaptativa de informações de movimento para predição de múltiplas hipóteses para codificação de vídeo
CL2022001902A1 (es) Método de codificación/decodificación de imagen y método para transmitir flujo de bits
MX2022000155A (es) Metodo de codificacion/decodificacion de imagen y dispositivo para derivar el indice de peso de la prediccion bidireccional, y metodo para transmitir un flujo de bits.

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2832 DE 15-04-2025 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.