SG10201803573PA - Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same - Google Patents
Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using sameInfo
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- SG10201803573PA SG10201803573PA SG10201803573PA SG10201803573PA SG10201803573PA SG 10201803573P A SG10201803573P A SG 10201803573PA SG 10201803573P A SG10201803573P A SG 10201803573PA SG 10201803573P A SG10201803573P A SG 10201803573PA SG 10201803573P A SG10201803573P A SG 10201803573PA
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- Prior art keywords
- conversion coefficient
- coefficient level
- parameter
- decoding
- entropy coding
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- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
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- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4031—Fixed length to variable length coding
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- H04N19/96—Tree coding, e.g. quad-tree coding
Abstract
of the Disclosure A parameter update method that is used for entropy coding and decoding of a conversion is disclosed. A syntax element indicating a conversion coefficient level is binarized by using a parameter. The parameter is updated or maintained based on a result obtained by comparing the size of the previous conversion coefficient with a certain threshold obtained on the basis of the previous parameter used for the inverse-binarization of the previous conversion coefficient level syntax element. The certain threshold is set to have a value proportional to the previous parameter and if the previous parameter is updated, the updated parameter has a value that gradually 10 increases in comparision to the previous parameter. Fig. 24 54
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| US201261624358P | 2012-04-15 | 2012-04-15 |
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| Publication Number | Publication Date |
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| SG10201803573PA true SG10201803573PA (en) | 2018-06-28 |
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| SG10201803573PA SG10201803573PA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG10201703653YA SG10201703653YA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG10201707023VA SG10201707023VA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG11201406560UA SG11201406560UA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG10201510259UA SG10201510259UA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG10201710903VA SG10201710903VA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
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| SG10201703653YA SG10201703653YA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG10201707023VA SG10201707023VA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG11201406560UA SG11201406560UA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG10201510259UA SG10201510259UA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
| SG10201710903VA SG10201710903VA (en) | 2012-04-15 | 2013-04-15 | Parameter update method for entropy coding and decoding of conversion coefficient level, and entropy coding device and entropy decoding device of conversion coefficient level using same |
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| AU (4) | AU2013250108B2 (en) |
| BR (2) | BR112014025686B1 (en) |
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| CY (1) | CY1120738T1 (en) |
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| ES (3) | ES2949651T3 (en) |
| HR (1) | HRP20181467T1 (en) |
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| SG (6) | SG10201803573PA (en) |
| SI (1) | SI2840789T1 (en) |
| TW (3) | TWI601412B (en) |
| WO (1) | WO2013157794A1 (en) |
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