Entropy encoding scheme
Abstract
Decomposing a value range of the respective syntax elements into a sequence of n partitions with coding the components of z laying within the respective partitions separately with at least one by VCL coding and with at least one by PIPE or entropy coding is used to greatly increase the compression efficiency at a moderate coding overhead since the coding scheme used may be better adapted to the syntax element statistics. Accordingly, in accordance with embodiments, syntax elements are decomposed into a respective number n of source symbols si with i=1...n, the respective number n of source symbols depending on as to which of a sequence of n partitions (1401-3) into which a value range of the respective syntax elements is sub-divided, a value z of the respective syntax elements falls into, so that a sum of values of the respective number of source symbols si yields z, and, if n>1, for all i=1...n-1, the value of si corresponds to a range of the ith partition.

Term
5.3 yearsto projected expiry
Projected expiry 12 January 2032, counted from filing; an application has no term until it is granted.
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159 members in 15 offices
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 201161432884 | United States of America | P | |
| 12700329 | European Patent Office (EPO) | A |
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| CN103404035A | China | A | |
| EP2664070A2 | European Patent Office (EPO) | A2 | |
| KR20130140840A | Republic of Korea | A | |
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| EP2760138A2 | European Patent Office (EPO) | A2 | |
| EP2768144A2 | European Patent Office (EPO) | A2 | |
| EP2768145A2 | European Patent Office (EPO) | A2 | |
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| KR20150054013A | Republic of Korea | A | |
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| HK1201999A1 | Hong Kong, China | A1 | |
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| EP2768144B1 | European Patent Office (EPO) | B1 | |
| EP2768145B1 | European Patent Office (EPO) | B1 | |
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| DK2768145T3 | Denmark | T3 | |
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| DK2760138T3 | Denmark | T3 | |
| ES2671482T3 | Spain | T3 | |
| TR2018007771T4 | Türkiye | T4 | |
| TR201807771T4 | Türkiye | T4 | |
| EP3349360A1 | European Patent Office (EPO) | A1 | |
| PL2760138T3This record | Poland | T3 | |
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| TW201924337A | Taiwan Province of China | A | |
| US10404272B2 | United States of America | B2 | |
| EP3349360B1 | European Patent Office (EPO) | B1 | |
| US10419017B2 | United States of America | B2 | |
| US2019305795A1 | United States of America | A1 | |
| US2019334546A1 | United States of America | A1 | |
| DK3349360T3 | Denmark | T3 | |
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Numbers
- Publication
- 2760138
- Application
- 14160512
Titles2
- English
- Entropy encoding scheme
- Polish
- Schemat kodowania entropijnego
Classification
- CPC, 12
- H03M7/40
- H04N19/13
- H03M7/00
- H03M7/4006
- H04N19/91
- H03M7/4037
- H03M7/55
- H04N19/70
- H04N19/119
- H04N19/129
- H04N19/18
- H03M7/46
- IPC, 2
- H03M7 40
- H04N19 13