BR0304656A - Filtro de desblocamento condicionado ao brilho de pixel - Google Patents
Filtro de desblocamento condicionado ao brilho de pixelInfo
- Publication number
- BR0304656A BR0304656A BR0304656-7A BR0304656A BR0304656A BR 0304656 A BR0304656 A BR 0304656A BR 0304656 A BR0304656 A BR 0304656A BR 0304656 A BR0304656 A BR 0304656A
- Authority
- BR
- Brazil
- Prior art keywords
- brightness
- pixel
- block
- conditional
- unlock filter
- Prior art date
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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
-
- 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
- H04N19/134—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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/182—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
- H04N19/60—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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
"FILTRO DE DESBLOCAMENTO CONDICIONADO AO BRILHO DE PIXEL". Um codificador (100), um decodificador (200, 300), e um método correspondente (400) são apresentados para a codificação de dados de pixel como uma pluralidade de coeficientes de transformação de bloco e para a decodificação de coeficientes de transformação de bloco de modo a prover dados de pixel reconstruídos, o codificador e/ou decodificador inclui um filtro de desblocamento condicional (140, 240, 340) para a filtragem apenas das transições de bloco que satisfazem critérios de nível de brilho de pixel pré-selecionados, nos quais o método de filtro de desblocamento condicional (400) inclui a recepção (412) de pelo menos um primeiro pixel adjacente para uma transição de bloco, a provisão (414) de um sinal indicativo do brilho de pelo menos um primeiro pixel, a comparação (416, 418) do sinal de brilho com pelo menos um dentre um limite de brilho superior e um limite de brilho inferior, e a filtragem condicional (426) de uma pluralidade de pixéis adjacentes, incluindo o primeiro pixel na transição de bloco em resposta à comparação de brilho.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37706102P | 2002-05-01 | 2002-05-01 | |
US10/364,430 US6907079B2 (en) | 2002-05-01 | 2003-02-11 | Deblocking filter conditioned on pixel brightness |
PCT/US2003/011398 WO2003094498A2 (en) | 2002-05-01 | 2003-04-14 | Deblocking filter conditioned on pixel brightness |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0304656A true BR0304656A (pt) | 2004-07-06 |
Family
ID=29272972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0304656-7A BR0304656A (pt) | 2002-05-01 | 2003-04-14 | Filtro de desblocamento condicionado ao brilho de pixel |
Country Status (11)
Country | Link |
---|---|
US (1) | US6907079B2 (pt) |
EP (1) | EP1500207B1 (pt) |
JP (1) | JP4518390B2 (pt) |
KR (1) | KR100942628B1 (pt) |
CN (1) | CN100370837C (pt) |
AU (1) | AU2003224957A1 (pt) |
BR (1) | BR0304656A (pt) |
ES (1) | ES2785061T3 (pt) |
MX (1) | MXPA04010857A (pt) |
MY (1) | MY136053A (pt) |
WO (1) | WO2003094498A2 (pt) |
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-
2003
- 2003-02-11 US US10/364,430 patent/US6907079B2/en not_active Expired - Lifetime
- 2003-04-14 ES ES03721655T patent/ES2785061T3/es not_active Expired - Lifetime
- 2003-04-14 EP EP03721655.3A patent/EP1500207B1/en not_active Expired - Lifetime
- 2003-04-14 JP JP2004502607A patent/JP4518390B2/ja not_active Expired - Lifetime
- 2003-04-14 BR BR0304656-7A patent/BR0304656A/pt not_active Application Discontinuation
- 2003-04-14 CN CNB038133741A patent/CN100370837C/zh not_active Expired - Lifetime
- 2003-04-14 MX MXPA04010857A patent/MXPA04010857A/es active IP Right Grant
- 2003-04-14 WO PCT/US2003/011398 patent/WO2003094498A2/en active Application Filing
- 2003-04-14 AU AU2003224957A patent/AU2003224957A1/en not_active Abandoned
- 2003-04-14 KR KR1020047017577A patent/KR100942628B1/ko active IP Right Grant
- 2003-04-30 MY MYPI20031639A patent/MY136053A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY136053A (en) | 2008-08-29 |
JP4518390B2 (ja) | 2010-08-04 |
MXPA04010857A (es) | 2005-02-14 |
JP2005524347A (ja) | 2005-08-11 |
US20030206664A1 (en) | 2003-11-06 |
CN100370837C (zh) | 2008-02-20 |
WO2003094498A3 (en) | 2004-03-25 |
AU2003224957A1 (en) | 2003-11-17 |
EP1500207A2 (en) | 2005-01-26 |
AU2003224957A8 (en) | 2003-11-17 |
KR100942628B1 (ko) | 2010-02-17 |
EP1500207A4 (en) | 2011-01-19 |
WO2003094498A2 (en) | 2003-11-13 |
KR20040106437A (ko) | 2004-12-17 |
ES2785061T3 (es) | 2020-10-05 |
CN1659794A (zh) | 2005-08-24 |
US6907079B2 (en) | 2005-06-14 |
EP1500207B1 (en) | 2020-03-25 |
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