BRPI0717831A2 - Codificação eficiente de coeficientes significativos em codecs de vídeo escalonáveis - Google Patents
Codificação eficiente de coeficientes significativos em codecs de vídeo escalonáveisInfo
- Publication number
- BRPI0717831A2 BRPI0717831A2 BRPI0717831-0A2A BRPI0717831A BRPI0717831A2 BR PI0717831 A2 BRPI0717831 A2 BR PI0717831A2 BR PI0717831 A BRPI0717831 A BR PI0717831A BR PI0717831 A2 BRPI0717831 A2 BR PI0717831A2
- Authority
- BR
- Brazil
- Prior art keywords
- scalable video
- video codecs
- efficient coding
- significant coefficients
- coefficients
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
-
- 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
- H04N19/174—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 slice, e.g. a line of blocks or a group of 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
-
- 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
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82949006P | 2006-10-13 | 2006-10-13 | |
US11/868,179 US8942292B2 (en) | 2006-10-13 | 2007-10-05 | Efficient significant coefficients coding in scalable video codecs |
PCT/US2007/081119 WO2008048855A2 (en) | 2006-10-13 | 2007-10-11 | Efficient significant coefficients coding in scalable video codecs |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0717831A2 true BRPI0717831A2 (pt) | 2014-06-10 |
Family
ID=39286551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0717831-0A2A BRPI0717831A2 (pt) | 2006-10-13 | 2007-10-11 | Codificação eficiente de coeficientes significativos em codecs de vídeo escalonáveis |
Country Status (8)
Country | Link |
---|---|
US (1) | US8942292B2 (pt) |
EP (1) | EP2074828B1 (pt) |
JP (1) | JP5180220B2 (pt) |
KR (1) | KR101032277B1 (pt) |
CN (1) | CN101682757B (pt) |
BR (1) | BRPI0717831A2 (pt) |
TW (1) | TWI387343B (pt) |
WO (1) | WO2008048855A2 (pt) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8233544B2 (en) * | 2006-07-13 | 2012-07-31 | Qualcomm Incorporated | Video coding with fine granularity scalability using cycle-aligned fragments |
US8325819B2 (en) | 2006-10-12 | 2012-12-04 | Qualcomm Incorporated | Variable length coding table selection based on video block type for refinement coefficient coding |
US8565314B2 (en) | 2006-10-12 | 2013-10-22 | Qualcomm Incorporated | Variable length coding table selection based on block type statistics for refinement coefficient coding |
US9319700B2 (en) | 2006-10-12 | 2016-04-19 | Qualcomm Incorporated | Refinement coefficient coding based on history of corresponding transform coefficient values |
US8599926B2 (en) | 2006-10-12 | 2013-12-03 | Qualcomm Incorporated | Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers |
US8363579B2 (en) * | 2008-12-08 | 2013-01-29 | Intel Corporation | Apparatus and method of communication in a wireless network |
TWI399093B (zh) * | 2009-12-30 | 2013-06-11 | Univ Feng Chia | 用於高效能細緻可調性編碼器之快速重新量化方法及快速重新量化器 |
US8976861B2 (en) | 2010-12-03 | 2015-03-10 | Qualcomm Incorporated | Separately coding the position of a last significant coefficient of a video block in video coding |
US9042440B2 (en) | 2010-12-03 | 2015-05-26 | Qualcomm Incorporated | Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding |
US20120163456A1 (en) | 2010-12-22 | 2012-06-28 | Qualcomm Incorporated | Using a most probable scanning order to efficiently code scanning order information for a video block in video coding |
US20120230418A1 (en) | 2011-03-08 | 2012-09-13 | Qualcomm Incorporated | Coding of transform coefficients for video coding |
US9106913B2 (en) | 2011-03-08 | 2015-08-11 | Qualcomm Incorporated | Coding of transform coefficients for video coding |
US9167253B2 (en) | 2011-06-28 | 2015-10-20 | Qualcomm Incorporated | Derivation of the position in scan order of the last significant transform coefficient in video coding |
WO2014053519A1 (en) * | 2012-10-01 | 2014-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Scalable video coding using inter-layer prediction of spatial intra prediction parameters |
US20230035118A1 (en) * | 2021-07-23 | 2023-02-02 | Tencent America LLC | Cross component end of block flag coding |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6792044B2 (en) * | 2001-05-16 | 2004-09-14 | Koninklijke Philips Electronics N.V. | Method of and system for activity-based frequency weighting for FGS enhancement layers |
US6959116B2 (en) * | 2001-09-18 | 2005-10-25 | Emc Corporation | Largest magnitude indices selection for (run, level) encoding of a block coded picture |
US6909753B2 (en) * | 2001-12-05 | 2005-06-21 | Koninklijke Philips Electronics, N.V. | Combined MPEG-4 FGS and modulation algorithm for wireless video transmission |
JPWO2003079692A1 (ja) * | 2002-03-19 | 2005-07-21 | 富士通株式会社 | 階層符号化装置および復号装置 |
AU2003221378B9 (en) * | 2002-03-27 | 2009-01-08 | Panasonic Intellectual Property Corporation Of America | Variable length encoding method, storage medium, and variable length encoding device. |
US7136532B2 (en) * | 2002-06-27 | 2006-11-14 | Koninklijke Philips Electronics N.V. | FGS decoder based on quality estimated at the decoder |
US6894628B2 (en) * | 2003-07-17 | 2005-05-17 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and methods for entropy-encoding or entropy-decoding using an initialization of context variables |
US7286710B2 (en) * | 2003-10-01 | 2007-10-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Coding of a syntax element contained in a pre-coded video signal |
US7227894B2 (en) * | 2004-02-24 | 2007-06-05 | Industrial Technology Research Institute | Method and apparatus for MPEG-4 FGS performance enhancement |
US7519229B2 (en) * | 2004-03-30 | 2009-04-14 | Apple, Inc. | Video coding system providing separate coding chains for dynamically selected small-size or full-size playback |
US20060008009A1 (en) * | 2004-07-09 | 2006-01-12 | Nokia Corporation | Method and system for entropy coding for scalable video codec |
TWI243615B (en) * | 2004-10-11 | 2005-11-11 | Ind Tech Res Inst | System for enhancing compression ratio of scalable video coding and method thereof |
WO2007107855A2 (en) * | 2006-03-21 | 2007-09-27 | Nokia Corporation | Fine grained scalability ordering for scalable video coding |
US8275045B2 (en) | 2006-07-12 | 2012-09-25 | Qualcomm Incorporated | Video compression using adaptive variable length codes |
KR100809301B1 (ko) * | 2006-07-20 | 2008-03-04 | 삼성전자주식회사 | 엔트로피 부호화/복호화 방법 및 장치 |
-
2007
- 2007-10-05 US US11/868,179 patent/US8942292B2/en not_active Expired - Fee Related
- 2007-10-11 BR BRPI0717831-0A2A patent/BRPI0717831A2/pt not_active IP Right Cessation
- 2007-10-11 WO PCT/US2007/081119 patent/WO2008048855A2/en active Search and Examination
- 2007-10-11 JP JP2009532580A patent/JP5180220B2/ja not_active Expired - Fee Related
- 2007-10-11 EP EP07853960.8A patent/EP2074828B1/en not_active Not-in-force
- 2007-10-11 CN CN200780038049.4A patent/CN101682757B/zh not_active Expired - Fee Related
- 2007-10-11 KR KR1020097009489A patent/KR101032277B1/ko not_active IP Right Cessation
- 2007-10-12 TW TW096138335A patent/TWI387343B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2074828B1 (en) | 2016-11-16 |
EP2074828A2 (en) | 2009-07-01 |
WO2008048855A2 (en) | 2008-04-24 |
CN101682757A (zh) | 2010-03-24 |
US8942292B2 (en) | 2015-01-27 |
TW200835337A (en) | 2008-08-16 |
KR101032277B1 (ko) | 2011-05-06 |
WO2008048855A3 (en) | 2009-12-17 |
US20080089425A1 (en) | 2008-04-17 |
TWI387343B (zh) | 2013-02-21 |
JP2010528492A (ja) | 2010-08-19 |
KR20090095564A (ko) | 2009-09-09 |
JP5180220B2 (ja) | 2013-04-10 |
CN101682757B (zh) | 2014-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BRPI0717831A2 (pt) | Codificação eficiente de coeficientes significativos em codecs de vídeo escalonáveis | |
EP2041979A4 (en) | VIDEO SCALABLE CODING | |
GB0600141D0 (en) | Scalable coding of video signals | |
BRPI0818603A2 (pt) | método de codificação de vídeo e método de decodificação de vídeo | |
EP2092749A4 (en) | ADJUSTMENTS OF LOWER DISPOSABLE LAYERS IN AN EXTENDABLE VIDEO CODING | |
HK1223453A1 (zh) | 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 | |
BRPI0720702A2 (pt) | Decodificador hipotético de referência para codificação de vídeo escalável | |
EP1935180A4 (en) | SCALABLE VIDEO CODING METHOD AND CODEC USING THE SAME | |
ZA200709666B (en) | Coding of frame number in scalable video coding | |
GB0619570D0 (en) | Complexity scalable video transcoder and encoder | |
BRPI0910635A2 (pt) | técnicas de predição por interpolação em codificação de vídeo | |
EP2209320A4 (en) | METHOD AND DEVICE FOR VIDEO ENCODING / DECODING AND VIDEO CODEC | |
EP2005751A4 (en) | IMAGE DELIMITER IN SCALABLE VIDEO CODING | |
HK1161788A1 (en) | Conversion operations in scalable video encoding and decoding | |
EP1990800A4 (en) | SCALABLE ENCRYPTION DEVICE AND SCALABLE ENCRYPTION METHOD | |
BRPI0822364A2 (pt) | método e aparelho de codificação/decodificação de vídeo | |
GB0625611D0 (en) | Weighted prediction video encoding | |
EP2346259A4 (en) | IMAGE CODERS AND DECODERS WITH UNIDIRECTIONAL PREDICTION | |
EP2207358A4 (en) | VIDEO ENCODING AND DECODING METHOD | |
PT2165543E (pt) | Codificação adaptativa de modo de previsão de bloco de vídeo | |
DK3758380T3 (da) | Tiling i videokodning og -afkodning | |
EP2001239A4 (en) | IMAGE ENCODING APPARATUS AND IMAGE DECODING APPARATUS | |
EP2207351A4 (en) | METHOD OF VIDEO CODING AND DECODING AND COPY BASED ON MOTION CRASHING MODE | |
EP2040251A4 (en) | AUDIO DEODICATION DEVICE AND AUDIO CODING DEVICE | |
EP2265024A4 (en) | DEVICE FOR SCALABLE BILDCODING AND DEVICE FOR SCALABLE IMAGE DECODING |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08L | Patent application lapsed because of non payment of annual fee [chapter 8.12 patent gazette] |
Free format text: REFERENTE AO NAO RECOLHIMENTO DAS 3A, 4A, 5A, 6A E 7A ANUIDADES. |
|
B15K | Others concerning applications: alteration of classification |
Ipc: H04N 19/33 (2014.01), H04N 19/34 (2014.01), H04N 1 |
|
B08I | Application fees: publication cancelled [chapter 8.9 patent gazette] |
Free format text: ANULADA A PUBLICACAO CODIGO 8.12 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA. |
|
B08F | Application fees: application dismissed [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A, 11A, 12A E 13A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2602 DE 17-11-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |