BRPI0910638A2 - filtragem semelhante à interpolação de posições de pixel inteiro em codificação de vídeo - Google Patents

filtragem semelhante à interpolação de posições de pixel inteiro em codificação de vídeo

Info

Publication number
BRPI0910638A2
BRPI0910638A2 BRPI0910638A BRPI0910638A BRPI0910638A2 BR PI0910638 A2 BRPI0910638 A2 BR PI0910638A2 BR PI0910638 A BRPI0910638 A BR PI0910638A BR PI0910638 A BRPI0910638 A BR PI0910638A BR PI0910638 A2 BRPI0910638 A2 BR PI0910638A2
Authority
BR
Brazil
Prior art keywords
interpolation
video encoding
pixel positions
full pixel
filtering similar
Prior art date
Application number
BRPI0910638A
Other languages
English (en)
Inventor
Marta Karczewicz
Yan Ye
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 BRPI0910638A2 publication Critical patent/BRPI0910638A2/pt
Publication of BRPI0910638B1 publication Critical patent/BRPI0910638B1/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
    • 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
    • H04N19/10—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
    • H04N19/169—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
    • 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
    • H04N19/10—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
    • H04N19/146—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
    • H04N19/189—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
    • H04N19/50—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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—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 filter definition or implementation details

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0910638-3A 2008-04-10 2009-04-10 Filtragem semelhante a interpolaqao de posiqoes de pixel inteiro em codificaqao de video BRPI0910638B1 (pt)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US4402308P 2008-04-10 2008-04-10
US4402008P 2008-04-10 2008-04-10
US61/044,020 2008-04-10
US61/044,023 2008-04-10
US4424008P 2008-04-11 2008-04-11
US61/044,240 2008-04-11
US5737308P 2008-05-30 2008-05-30
US61/057,373 2008-05-30
US12/420,292 US9077971B2 (en) 2008-04-10 2009-04-08 Interpolation-like filtering of integer-pixel positions in video coding
US12/420,292 2009-04-08
PCT/US2009/040270 WO2009126929A1 (en) 2008-04-10 2009-04-10 Interpolation-like filtering of integer-pixel positions in video coding

Publications (2)

Publication Number Publication Date
BRPI0910638A2 true BRPI0910638A2 (pt) 2016-08-02
BRPI0910638B1 BRPI0910638B1 (pt) 2020-11-24

Family

ID=40755172

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0910638-3A BRPI0910638B1 (pt) 2008-04-10 2009-04-10 Filtragem semelhante a interpolaqao de posiqoes de pixel inteiro em codificaqao de video

Country Status (15)

Country Link
US (1) US9077971B2 (pt)
EP (2) EP2304960A1 (pt)
JP (1) JP5575747B2 (pt)
KR (1) KR101214021B1 (pt)
CN (1) CN102017631B (pt)
BR (1) BRPI0910638B1 (pt)
CA (1) CA2719404C (pt)
DK (1) DK2827593T3 (pt)
ES (1) ES2633476T3 (pt)
HU (1) HUE033226T2 (pt)
PL (1) PL2827593T3 (pt)
PT (1) PT2827593T (pt)
SI (1) SI2827593T1 (pt)
TW (1) TWI523528B (pt)
WO (1) WO2009126929A1 (pt)

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Also Published As

Publication number Publication date
CA2719404A1 (en) 2009-10-15
EP2827593A1 (en) 2015-01-21
DK2827593T3 (en) 2017-07-24
TW201006252A (en) 2010-02-01
TWI523528B (zh) 2016-02-21
CN102017631A (zh) 2011-04-13
ES2633476T3 (es) 2017-09-21
EP2827593B1 (en) 2017-05-17
BRPI0910638B1 (pt) 2020-11-24
PT2827593T (pt) 2017-07-24
KR101214021B1 (ko) 2012-12-20
EP2304960A1 (en) 2011-04-06
KR20100130643A (ko) 2010-12-13
US20090257501A1 (en) 2009-10-15
PL2827593T3 (pl) 2017-10-31
CN102017631B (zh) 2013-05-01
HUE033226T2 (hu) 2017-11-28
JP2011517240A (ja) 2011-05-26
CA2719404C (en) 2013-07-30
US9077971B2 (en) 2015-07-07
SI2827593T1 (sl) 2017-07-31
WO2009126929A1 (en) 2009-10-15
JP5575747B2 (ja) 2014-08-20

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Legal Events

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B15K Others concerning applications: alteration of classification

Ipc: H04N 19/523 (2014.01), H04N 19/117 (2014.01), H04N

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 24/11/2020, OBSERVADAS AS CONDICOES LEGAIS.