HRP20171541T1 - Postupak i ureðaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice - Google Patents
Postupak i ureðaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice Download PDFInfo
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- H—ELECTRICITY
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- 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
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- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
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- 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
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- 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
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- 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
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- Physics & Mathematics (AREA)
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- Discrete Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
Claims (1)
1. Uređaj (500, 1500) za dekodiranje slike, te uređaj sadrži:
entropijski dekoder (520, 1510) koji provodi entropijsko dekodiranje za dobivanje kvantiziranih transformacijskih koeficijenata najmanje jedne transformacijske jedinice (870) u kodirajućoj jedinici (810);
inverzni kvantizator (530, 1520) i inverzni transformator (540, 1530) koji provode inverznu-kvantizaciju i inverznu transformaciju na kvantiziranim transformacijskim koeficijentima barem jedne transformacijske jedinice da se dobiju ostatci, prima informaciju o maksimalnoj veličini jedinice kodiranja, dijeli sliku u mnoštvo kvadrata maksimalnih jedinica kodiranja koristeći informacije o maksimalnoj veličini jedinice kodiranja i određuje jedinicu kodiranja iz hijerarhijske strukture sadržane u maksimalnoj jedinici kodiranja, između mnoštva maksimalnih jedinica kodiranja, uporabom informacije o obliku dijeljenja raščlanjenom iz toka bitova; i uređaj za obnavljanje (550-580, 1540) koji provodi među predviđanje za barem jednu jedinicu predviđanja (860) u jedinici kodiranja (810) da se generira predskazivač i obnavljanje slike pomoću ostataka i predskazivača, pri čemu, maksimalna jedinica kodiranja je hijerarhijski podijeljena u jednu ili više kodirajućih jedinica dubine koja sadrži najmanje jednu od jedinice kodiranja trenutne dubine i jedinice kodiranja dubine veće od trenutne dubine, prema informacijama o obliku dijeljenja, jedinica kodiranja trenutne dubine je razdijeljena u četiri jednako velike kvadratne jedinice kodiranja dubine veće od trenutne dubine, neovisno o susjednim jedinicama kodiranja trenutne dubine, i jedinica kodiranja dubine veće od trenutne dubine se predviđa korištenjem barem jedne jedinice predviđanja i inverzno se transformira korištenjem barem jedne transformacijske jedinice, pri čemu je barem jedna jedinica predviđanja jedan između blokova koji sadrže: blok jednak po veličini jedinici kodiranja dubine veće od trenutne dubine; i blok između mnoštva blokova generiranih podjednako dijeljenjem barem jednog od visine i širine jedinice kodiranja dubine veće od trenutne dubine, pri čemu je barem jedna transformacijska jedinica jedan između blokova koji sadrže: blok jednak po veličini jedinici kodiranja dubine veće od trenutne dubine; i blok između mnoštva blokova generiranih podjednako dijeljenjem visine i širine jedinice kodiranja dubine veće od trenutne dubine, i pri čemu, kada je način predviđanja određen da bude način među predviđanja, te nije način unutrašnjeg predviđanja, uređaj (500, 1500) za dekodiranje slike je konfiguriran da podržava transformacijsku jedinicu, koja je sadržana između barem jedne transformacijske jedinice, koja ima veličinu od 2N x 2N, koja sadrži četiri jedinice predviđanja koje su sadržane između barem jedne jedinice predviđanja i koja ima veličinu od N x N.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20100003558A KR101487687B1 (ko) | 2010-01-14 | 2010-01-14 | 큰 크기의 변환 단위를 이용한 영상 부호화, 복호화 방법 및 장치 |
| EP15183034.6A EP2996340B1 (en) | 2010-01-14 | 2011-01-14 | Method and apparatus for encoding and decoding image by using large transform unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HRP20171541T1 true HRP20171541T1 (hr) | 2017-11-17 |
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Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HRP20171541TT HRP20171541T1 (hr) | 2010-01-14 | 2017-10-12 | Postupak i ureðaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice |
| HRP20171542TT HRP20171542T1 (hr) | 2010-01-14 | 2017-10-12 | Postupak i ureðaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice |
| HRP20171543TT HRP20171543T1 (hr) | 2010-01-14 | 2017-10-12 | Postupak i ureðaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice |
| HRP20180059TT HRP20180059T1 (hr) | 2010-01-14 | 2018-01-15 | Postupak i uređaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice |
| HRP20190070TT HRP20190070T1 (hr) | 2010-01-14 | 2019-01-10 | Postupak za kodiranje i dekodiranje i ureðaj za kodiranje slike korištenjem velike transformacijske jedinice |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
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| HRP20171542TT HRP20171542T1 (hr) | 2010-01-14 | 2017-10-12 | Postupak i ureðaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice |
| HRP20171543TT HRP20171543T1 (hr) | 2010-01-14 | 2017-10-12 | Postupak i ureðaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice |
| HRP20180059TT HRP20180059T1 (hr) | 2010-01-14 | 2018-01-15 | Postupak i uređaj za kodiranje i dekodiranje slike korištenjem velike transformacijske jedinice |
| HRP20190070TT HRP20190070T1 (hr) | 2010-01-14 | 2019-01-10 | Postupak za kodiranje i dekodiranje i ureðaj za kodiranje slike korištenjem velike transformacijske jedinice |
Country Status (21)
| Country | Link |
|---|---|
| US (9) | US8842927B2 (hr) |
| EP (7) | EP2996341B1 (hr) |
| JP (5) | JP5718363B2 (hr) |
| KR (1) | KR101487687B1 (hr) |
| CN (6) | CN102792695B (hr) |
| BR (5) | BR122020024444B1 (hr) |
| CY (5) | CY1119903T1 (hr) |
| DK (5) | DK2996340T3 (hr) |
| ES (5) | ES2707150T3 (hr) |
| HR (5) | HRP20171541T1 (hr) |
| HU (5) | HUE036055T2 (hr) |
| LT (5) | LT2996340T (hr) |
| MY (5) | MY155335A (hr) |
| NO (1) | NO2996341T3 (hr) |
| PH (4) | PH12015500845B1 (hr) |
| PL (5) | PL3300371T3 (hr) |
| PT (5) | PT2996341T (hr) |
| RS (5) | RS58213B1 (hr) |
| SI (5) | SI2996342T1 (hr) |
| TR (1) | TR201900307T4 (hr) |
| WO (1) | WO2011087323A2 (hr) |
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| KR101712097B1 (ko) * | 2009-08-19 | 2017-03-03 | 삼성전자 주식회사 | 유연한 직교 변환에 기초한 영상 부호화, 복호화 방법 및 장치 |
| KR101487687B1 (ko) * | 2010-01-14 | 2015-01-29 | 삼성전자주식회사 | 큰 크기의 변환 단위를 이용한 영상 부호화, 복호화 방법 및 장치 |
| WO2011129619A2 (ko) * | 2010-04-13 | 2011-10-20 | 삼성전자 주식회사 | 트리 구조 부호화 단위에 기반한 디블록킹 필터링을 수행하는 비디오 부호화 방법과 그 장치 및 복호화 방법과 그 장치 |
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