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BRPI1015984A2 - dispositivos e métodos de codificação e de decotificação de imagem. - Google Patents

dispositivos e métodos de codificação e de decotificação de imagem.

Info

Publication number
BRPI1015984A2
BRPI1015984A2 BRPI1015984A BRPI1015984A BRPI1015984A2 BR PI1015984 A2 BRPI1015984 A2 BR PI1015984A2 BR PI1015984 A BRPI1015984 A BR PI1015984A BR PI1015984 A BRPI1015984 A BR PI1015984A BR PI1015984 A2 BRPI1015984 A2 BR PI1015984A2
Authority
BR
Brazil
Prior art keywords
methods
image coding
decoding devices
decoding
devices
Prior art date
Application number
BRPI1015984A
Other languages
English (en)
Inventor
Akira Minezawa
Kazuo Sugimoto
Kohtaro Asai
Norimichi Hiwasa
Shuichi Yamagishi
Shunichi Sekiguchi
Tokumichi Murakami
Yoshiaki Kato
Yoshihisa Yamada
Yoshimi Moriya
Yusuke Itani
Original Assignee
Mitsubishi Eletric Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43356106&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1015984(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsubishi Eletric Corp filed Critical Mitsubishi Eletric Corp
Publication of BRPI1015984A2 publication Critical patent/BRPI1015984A2/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
    • H04N19/102—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • 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
    • H04N19/134—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/196—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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI1015984A 2009-06-19 2010-05-25 dispositivos e métodos de codificação e de decotificação de imagem. BRPI1015984A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009146350 2009-06-19
PCT/JP2010/003492 WO2010146771A1 (ja) 2009-06-19 2010-05-25 画像符号化装置、画像復号装置、画像符号化方法及び画像復号方法

Publications (1)

Publication Number Publication Date
BRPI1015984A2 true BRPI1015984A2 (pt) 2016-04-19

Family

ID=43356106

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1015984A BRPI1015984A2 (pt) 2009-06-19 2010-05-25 dispositivos e métodos de codificação e de decotificação de imagem.

Country Status (12)

Country Link
US (2) US20120087595A1 (pt)
EP (1) EP2445216A4 (pt)
JP (1) JP5528445B2 (pt)
KR (1) KR101351709B1 (pt)
CN (5) CN105872541B (pt)
BR (1) BRPI1015984A2 (pt)
CA (1) CA2764868A1 (pt)
MX (1) MX2011013861A (pt)
RU (7) RU2510592C2 (pt)
SG (5) SG10202012742QA (pt)
WO (1) WO2010146771A1 (pt)
ZA (1) ZA201109488B (pt)

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Also Published As

Publication number Publication date
CN102804781A (zh) 2012-11-28
CN104639942A (zh) 2015-05-20
KR20120061797A (ko) 2012-06-13
HK1207931A1 (en) 2016-03-24
CN104639942B (zh) 2018-10-02
CN105872541A (zh) 2016-08-17
JPWO2010146771A1 (ja) 2012-11-29
RU2685981C1 (ru) 2019-04-23
RU2015124155A (ru) 2017-01-10
CN104506877A (zh) 2015-04-08
CN104506877B (zh) 2018-01-19
KR101351709B1 (ko) 2014-01-16
US20120087595A1 (en) 2012-04-12
JP5528445B2 (ja) 2014-06-25
HK1224111A1 (zh) 2017-08-11
RU2666328C1 (ru) 2018-09-06
CN104539956A (zh) 2015-04-22
HK1207926A1 (en) 2016-02-12
EP2445216A4 (en) 2013-03-20
SG10201403250WA (en) 2014-10-30
SG10201910966SA (en) 2020-01-30
SG176827A1 (en) 2012-01-30
ZA201109488B (en) 2013-03-27
RU2557768C2 (ru) 2015-07-27
RU2012101781A (ru) 2013-07-27
HK1178355A1 (zh) 2013-09-06
RU2702052C1 (ru) 2019-10-03
HK1210556A1 (en) 2016-04-22
CA2764868A1 (en) 2010-12-23
CN102804781B (zh) 2016-06-29
RU2013151253A (ru) 2015-05-27
EP2445216A1 (en) 2012-04-25
SG10201809929SA (en) 2018-12-28
WO2010146771A1 (ja) 2010-12-23
RU2714100C1 (ru) 2020-02-11
CN104539956B (zh) 2018-11-06
MX2011013861A (es) 2012-02-13
SG10202012742QA (en) 2021-01-28
RU2627104C2 (ru) 2017-08-03
US20150043630A1 (en) 2015-02-12
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CN105872541B (zh) 2019-05-14

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