BR112014008921A2 - método e dispositivo de codificação de vídeo, método e dispositivo de decodificação de vídeo e programas - Google Patents

método e dispositivo de codificação de vídeo, método e dispositivo de decodificação de vídeo e programas

Info

Publication number
BR112014008921A2
BR112014008921A2 BR112014008921A BR112014008921A BR112014008921A2 BR 112014008921 A2 BR112014008921 A2 BR 112014008921A2 BR 112014008921 A BR112014008921 A BR 112014008921A BR 112014008921 A BR112014008921 A BR 112014008921A BR 112014008921 A2 BR112014008921 A2 BR 112014008921A2
Authority
BR
Brazil
Prior art keywords
filter coefficient
interpolation filter
coding
interpolation
parameter
Prior art date
Application number
BR112014008921A
Other languages
English (en)
Inventor
Shimizu Atsushi
Jozawa Hirohisa
Takamura Seishi
Matsuo Shohei
Ito Takeshi
Bandoh Yukihiro
Original Assignee
Nippon Telegraph & Telephone
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 Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of BR112014008921A2 publication Critical patent/BR112014008921A2/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
    • H04N19/10—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
    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

resumo patende de invenção: "método e dispositivo de codificação de vídeo, método e dispositivo de decodificação de vídeo e programas". a presente invenção tem objetivo minimizar o volume de codificação de geração de coeficiente de filtro de um filtro de interpolação aplicado. um dispositivo de codificação de vídeo utiliza a correção de movimento compreende: unidade de detecção de movimento que realiza uma busca de movimento e adquire um vetor de movimento; unidade de derivação de coeficiente de filtro de interpolação que computa um coeficiente de filtro de interpolação; unidade de interpolação que, utilizando o coeficiente de filtro de interpolação e o vetor de movimento, realiza a interpolação de pixel de precisão decimal e implementa a codificação; unidade de seleção de parâmetro que seleciona, entre os parâmetros que são utilizados na codificação por entropia do coeficiente de filtro de interpolação, parâmetro com o qual o volume de codificação gerado do coeficiente de filtro de interpolação é menor entre pluralidade de parâmetros designados, unidade de processamento de codificação que codifica o parâmetro selecionado e o coeficiente de filtro de interpolação computado e envia o parâmetro codificado e o coeficiente de filtro de interpolação codificado.
BR112014008921A 2011-10-18 2012-10-18 método e dispositivo de codificação de vídeo, método e dispositivo de decodificação de vídeo e programas BR112014008921A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011228553A JP5762243B2 (ja) 2011-10-18 2011-10-18 映像符号化方法，装置，映像復号方法，装置およびそれらのプログラム
PCT/JP2012/076929 WO2013058311A1 (ja) 2011-10-18 2012-10-18 映像符号化方法，装置，映像復号方法，装置およびそれらのプログラム

Publications (1)

Publication Number Publication Date
BR112014008921A2 true BR112014008921A2 (pt) 2017-04-25

Family

ID=48140954

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014008921A BR112014008921A2 (pt) 2011-10-18 2012-10-18 método e dispositivo de codificação de vídeo, método e dispositivo de decodificação de vídeo e programas

Country Status (10)

Country Link
US (1) US20140247865A1 (pt)
EP (1) EP2768221B1 (pt)
JP (1) JP5762243B2 (pt)
KR (1) KR20140062519A (pt)
CN (1) CN103875246B (pt)
BR (1) BR112014008921A2 (pt)
CA (1) CA2850743A1 (pt)
RU (1) RU2014114262A (pt)
TW (1) TW201328362A (pt)
WO (1) WO2013058311A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017082698A1 (ko) * 2015-11-11 2017-05-18 삼성전자 주식회사 비디오 복호화 방법 및 그 장치 및 비디오 부호화 방법 및 그 장치
CN116193110A (zh) * 2017-01-16 2023-05-30 世宗大学校产学协力团 影像编码/解码方法
CN111010568B (zh) 2018-10-06 2023-09-29 华为技术有限公司 插值滤波器的训练方法、装置及视频图像编解码方法、编解码器
CN113711589B (zh) 2019-04-01 2022-10-25 北京字节跳动网络技术有限公司 帧间编解码模式中的二分之一像素插值滤波器
KR102635319B1 (ko) 2019-08-20 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 프로세싱에서 대안적 보간 필터들의 선택적 사용

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Publication number Priority date Publication date Assignee Title
EP1530829B1 (en) * 2002-07-09 2018-08-22 Nokia Technologies Oy Method and apparatus for selecting interpolation filter type in video coding
WO2006108654A2 (en) * 2005-04-13 2006-10-19 Universität Hannover Method and apparatus for enhanced video coding
CN100455025C (zh) * 2005-07-21 2009-01-21 华为技术有限公司 一种分数像素插值方法和编解码设备
JP4956550B2 (ja) * 2006-11-30 2012-06-20 株式会社エヌ・ティ・ティ・ドコモ 動画像符号化装置、動画像符号化方法、動画像符号化プログラム、動画像復号化装置、動画像復号化方法及び動画像復号化プログラム
EP2048886A1 (en) * 2007-10-11 2009-04-15 Panasonic Corporation Coding of adaptive interpolation filter coefficients
WO2009088340A1 (en) * 2008-01-08 2009-07-16 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive filtering
US9967590B2 (en) * 2008-04-10 2018-05-08 Qualcomm Incorporated Rate-distortion defined interpolation for video coding based on fixed filter or adaptive filter
US8462842B2 (en) * 2008-04-10 2013-06-11 Qualcomm, Incorporated Symmetry for interpolation filtering of sub-pixel positions in video coding
US8270744B2 (en) * 2008-06-27 2012-09-18 Sony Corporation Image processing apparatus and image processing method
JP5759387B2 (ja) * 2010-01-08 2015-08-05 シャープ株式会社 符号化装置および復号装置

Also Published As

Publication number Publication date
JP5762243B2 (ja) 2015-08-12
CA2850743A1 (en) 2013-04-25
KR20140062519A (ko) 2014-05-23
WO2013058311A1 (ja) 2013-04-25
CN103875246B (zh) 2017-03-29
EP2768221B1 (en) 2021-01-06
TW201328362A (zh) 2013-07-01
CN103875246A (zh) 2014-06-18
US20140247865A1 (en) 2014-09-04
RU2014114262A (ru) 2015-11-27
EP2768221A1 (en) 2014-08-20
JP2013090121A (ja) 2013-05-13
EP2768221A4 (en) 2015-03-18

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: H04N 19/117 (2014.01), H04N 19/15 (2014.01), H04N

B350 Update of information on the portal [chapter 15.35 patent gazette]