BR112019006726A2 - dispositivo de codificação de imagem, método de codificação de imagem, programa de codificação de imagem, dispositivo de decodificação de imagem, método de decodificação de imagem e programa de decodificação de imagem - Google Patents

dispositivo de codificação de imagem, método de codificação de imagem, programa de codificação de imagem, dispositivo de decodificação de imagem, método de decodificação de imagem e programa de decodificação de imagem

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Publication number
BR112019006726A2
BR112019006726A2 BR112019006726A BR112019006726A BR112019006726A2 BR 112019006726 A2 BR112019006726 A2 BR 112019006726A2 BR 112019006726 A BR112019006726 A BR 112019006726A BR 112019006726 A BR112019006726 A BR 112019006726A BR 112019006726 A2 BR112019006726 A2 BR 112019006726A2
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Brazil
Prior art keywords
image
block
segmentation
program
unit
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BR112019006726A
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English (en)
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BR112019006726B1 (pt
Inventor
Fukushima Shigeru
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Jvc Kenwood Corp
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Publication date
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Publication of BR112019006726A2 publication Critical patent/BR112019006726A2/pt
Publication of BR112019006726B1 publication Critical patent/BR112019006726B1/pt

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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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/189—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
    • H04N19/189—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
    • H04N19/46—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
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

a presente invenção refere-se a um dispositivo de codificação de imagem adaptado para segmentar uma imagem em blocos e codificar a imagem em unidades de blocos resultantes da segmentação da imagem. uma unidade de segmentação de bloco (101) recursivamente segmenta a imagem em retângulos de um tamanho predeterminado para gerar um bloco a ser codificado. uma unidade de geração de fluxo de bits (105) codifica a informação de segmentação de bloco do bloco a ser codificado. a unidade de segmentação de bloco (101) inclui: uma unidade de divisão em quatro partes que divide em quatro um bloco alvo em segmentação recursiva em uma direção horizontal uma direção vertical para gerar quatro blocos; e uma unidade de divisão em duas partes que divide em dois um bloco alvo em segmentação recursiva em uma direção horizontal ou uma direção vertical para gerar dois blocos. quando a segmentação recursiva anterior for dividida em duas partes, a unidade de divisão em duas partes irá impedir que um bloco alvo sujeito à segmentação recursiva atual seja segmentado na mesma direção que uma direção na qual o bloco foi segmentado na segmentação recursiva anterior.
BR112019006726-4A 2016-12-06 2017-06-13 Dispositivo de codificação de imagem, método de codificação de imagem, dispositivo de decodificação de imagem e método de decodificação de imagem BR112019006726B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016-236507 2016-12-06
JP2016236507A JP6565885B2 (ja) 2016-12-06 2016-12-06 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号化装置、画像復号化方法及び画像復号化プログラム
PCT/JP2017/021783 WO2018105148A1 (ja) 2016-12-06 2017-06-13 画像符号化装置、画像符号化方法及び画像符号化プログラム、並びに画像復号化装置、画像復号化方法及び画像復号化プログラム

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BR112019006726A2 true BR112019006726A2 (pt) 2019-06-25
BR112019006726B1 BR112019006726B1 (pt) 2021-09-21

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EP (4) EP4017002B1 (pt)
JP (1) JP6565885B2 (pt)
KR (4) KR102623073B1 (pt)
CN (5) CN117376561A (pt)
AU (4) AU2017371859B2 (pt)
BR (1) BR112019006726B1 (pt)
CA (3) CA3039023C (pt)
CL (1) CL2019001118A1 (pt)
CY (2) CY1123412T1 (pt)
ES (2) ES2952360T3 (pt)
HR (2) HRP20230736T1 (pt)
HU (2) HUE062193T2 (pt)
IL (5) IL300081B1 (pt)
LT (1) LT3554073T (pt)
MX (2) MX2019003870A (pt)
MY (1) MY194373A (pt)
PH (1) PH12019500745A1 (pt)
PL (2) PL3554073T3 (pt)
PT (1) PT3554073T (pt)
RS (1) RS60859B1 (pt)
RU (3) RU2719560C9 (pt)
SG (3) SG10202100541PA (pt)
SI (1) SI3554073T1 (pt)
WO (1) WO2018105148A1 (pt)
ZA (3) ZA201902023B (pt)

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IL300081B1 (en) 2024-06-01
US10893270B2 (en) 2021-01-12
EP3554073B1 (en) 2020-09-23
CN109845257A (zh) 2019-06-04
CN117376560A (zh) 2024-01-09
NZ752494A (en) 2021-01-29
PH12019500745A1 (en) 2019-11-11
CY1126111T1 (el) 2023-11-15
MY194373A (en) 2022-11-30
SG11201903285VA (en) 2019-05-30
AU2020239760B2 (en) 2022-03-03
RU2719560C9 (ru) 2021-02-10
HUE062193T2 (hu) 2023-09-28
BR112019006726B1 (pt) 2021-09-21
RU2770686C1 (ru) 2022-04-21
CA3119110A1 (en) 2018-06-14
KR20220047400A (ko) 2022-04-15
MX2019003870A (es) 2019-08-05
CN109845257B (zh) 2023-12-12
KR102385196B1 (ko) 2022-04-08
RU2719560C1 (ru) 2020-04-21
EP3754985B1 (en) 2021-12-29
EP3754985A1 (en) 2020-12-23
SG10202104184QA (en) 2021-06-29
CY1123412T1 (el) 2022-03-24
EP4221206A1 (en) 2023-08-02
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HUE050910T2 (hu) 2021-01-28
PL4017002T3 (pl) 2023-10-16
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AU2020239760A1 (en) 2020-10-22
MX2022013106A (es) 2022-11-14
CN117354520A (zh) 2024-01-05
LT3554073T (lt) 2020-11-10
AU2022203353A1 (en) 2022-06-09
RU2740631C1 (ru) 2021-01-18
CA3039023C (en) 2021-07-06
CA3203498A1 (en) 2018-06-14
ZA202100894B (en) 2022-09-28
IL289392A (en) 2022-02-01
CN112954319B (zh) 2023-03-24
ZA202001864B (en) 2022-07-27
CL2019001118A1 (es) 2019-06-28
HRP20201637T1 (hr) 2021-03-05
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CA3119110C (en) 2023-08-15
IL265767A (en) 2019-06-30
PL3554073T3 (pl) 2021-01-11
US20210120244A1 (en) 2021-04-22
EP4017002B1 (en) 2023-07-05
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CA3039023A1 (en) 2018-06-14
EP3554073A1 (en) 2019-10-16
KR20190091257A (ko) 2019-08-05
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AU2017371859B2 (en) 2020-08-06
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IL265767B (en) 2021-08-31
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US20190208202A1 (en) 2019-07-04
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IL285356A (en) 2021-09-30
IL300081A (en) 2023-03-01
EP3554073A4 (en) 2019-10-16
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JP6565885B2 (ja) 2019-08-28
WO2018105148A1 (ja) 2018-06-14
RU2754635C1 (ru) 2021-09-06
ZA201902023B (en) 2020-10-28
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RS60859B1 (sr) 2020-10-30
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HRP20230736T1 (hr) 2023-10-13
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