BR112012006688A8 - Processo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes e processo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes - Google Patents
Processo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes e processo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentesInfo
- Publication number
- BR112012006688A8 BR112012006688A8 BR112012006688A BR112012006688A BR112012006688A8 BR 112012006688 A8 BR112012006688 A8 BR 112012006688A8 BR 112012006688 A BR112012006688 A BR 112012006688A BR 112012006688 A BR112012006688 A BR 112012006688A BR 112012006688 A8 BR112012006688 A8 BR 112012006688A8
- Authority
- BR
- Brazil
- Prior art keywords
- spectral
- current
- spectral coefficients
- arithmetic
- coefficients
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title abstract 17
- 238000000034 method Methods 0.000 title abstract 5
- 238000011002 quantification Methods 0.000 abstract 2
- 238000013507 mapping Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- 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
- H03M7/4006—Conversion to or from arithmetic code
-
- 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
- H04N19/124—Quantisation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
PROCESSO E DISPOSITIVO PARA CODIFICAÇÃO OU DECODIFICAÇÃO ARITMÉTICA. A invenção propõe um processo e um dispositivo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes. Os ditos coeficientes espectrais precedentes já sendo codificados e ambos, os ditos coeficientes espectrais precedentes e atuais, são compreendidos em um ou mais espectros quantificados resultantes de quantificação de tempo - Freqüência - transformação de valores de amostra de sinal de vídeo, áudio ou fala. O dito processo compreende processamento de coeficientes espectrais precedentes, usando os coeficientes espectrais precedentes processados para determinação de uma classe contexto sendo uma de pelo menos duas diferentes classes contextos, usando a classe contexto determinada e um mapeamento das pelo menos duas classes contextos diferentes para pelo menos duas diferentes funções de densidade de probabilidade, e codificação aritmética de coeficiente espectral atual baseado na função de densidade de probabilidade determinada onde processamento de coeficientes espectrais anteriores compreende quantificação não-uniforme de absolutos dos coeficientes espectrais anteriores para uso em determinação da classe contexto.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR122019019924-8A BR122019019924B1 (pt) | 2009-10-09 | 2010-10-01 | processo e dispositivo para decodificação aritmética de um coeficiente espectral atual |
| BR122019019559-5A BR122019019559B1 (pt) | 2009-10-09 | 2010-10-01 | processo e dispositivo para codificação ou decodificação aritmética e meio de armazenamento não transitório |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09305961.6 | 2009-10-09 | ||
| EP09305961A EP2315358A1 (en) | 2009-10-09 | 2009-10-09 | Method and device for arithmetic encoding or arithmetic decoding |
| PCT/EP2010/064644 WO2011042366A1 (en) | 2009-10-09 | 2010-10-01 | Method and device for arithmetic encoding or arithmetic decoding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| BR112012006688A2 BR112012006688A2 (pt) | 2016-05-10 |
| BR112012006688A8 true BR112012006688A8 (pt) | 2017-12-05 |
| BR112012006688B1 BR112012006688B1 (pt) | 2021-03-16 |
Family
ID=41698446
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR122019019559-5A BR122019019559B1 (pt) | 2009-10-09 | 2010-10-01 | processo e dispositivo para codificação ou decodificação aritmética e meio de armazenamento não transitório |
| BR122019019924-8A BR122019019924B1 (pt) | 2009-10-09 | 2010-10-01 | processo e dispositivo para decodificação aritmética de um coeficiente espectral atual |
| BR112012006688-9A BR112012006688B1 (pt) | 2009-10-09 | 2010-10-01 | processo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes, dispositivo para decodificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes e processo para codificação aritmética de um coeficiente espectral atual usando coeficientes espectrais precedentes |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR122019019559-5A BR122019019559B1 (pt) | 2009-10-09 | 2010-10-01 | processo e dispositivo para codificação ou decodificação aritmética e meio de armazenamento não transitório |
| BR122019019924-8A BR122019019924B1 (pt) | 2009-10-09 | 2010-10-01 | processo e dispositivo para decodificação aritmética de um coeficiente espectral atual |
Country Status (16)
| Country | Link |
|---|---|
| US (7) | US9219498B2 (pt) |
| EP (6) | EP2315358A1 (pt) |
| JP (1) | JP5666602B2 (pt) |
| KR (10) | KR101782300B1 (pt) |
| CN (8) | CN104967454B (pt) |
| AU (6) | AU2010305548B2 (pt) |
| BR (3) | BR122019019559B1 (pt) |
| CA (7) | CA2777057C (pt) |
| ES (4) | ES2866125T3 (pt) |
| HK (7) | HK1211754A1 (pt) |
| MX (1) | MX2012004172A (pt) |
| MY (3) | MY176427A (pt) |
| RU (2) | RU2691197C2 (pt) |
| TW (7) | TWI558110B (pt) |
| WO (1) | WO2011042366A1 (pt) |
| ZA (1) | ZA201201402B (pt) |
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| EP2315358A1 (en) | 2009-10-09 | 2011-04-27 | Thomson Licensing | Method and device for arithmetic encoding or arithmetic decoding |
| KR101411780B1 (ko) | 2009-10-20 | 2014-06-24 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 이전의 디코딩된 스펙트럼 값들의 그룹의 검출을 이용하는 오디오 인코더, 오디오 디코더, 오디오 정보를 인코딩하기 위한 방법, 오디오 정보를 디코딩하기 위한 방법 및 컴퓨터 프로그램 |
| JP5773502B2 (ja) | 2010-01-12 | 2015-09-02 | フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | オーディオ符号化器、オーディオ復号器、オーディオ情報を符号化するための方法、オーディオ情報を復号するための方法、および上位状態値と間隔境界との両方を示すハッシュテーブルを用いたコンピュータプログラム |
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| US9659063B2 (en) * | 2010-12-17 | 2017-05-23 | Software Ag | Systems and/or methods for event stream deviation detection |
| EP3091536B1 (en) * | 2014-01-15 | 2019-12-11 | Samsung Electronics Co., Ltd. | Weight function determination for a quantizing linear prediction coding coefficient |
| CN106157960A (zh) * | 2015-04-14 | 2016-11-23 | 杜比实验室特许公司 | 音频内容的自适应算术编解码 |
| US9792259B2 (en) | 2015-12-17 | 2017-10-17 | Software Ag | Systems and/or methods for interactive exploration of dependencies in streaming data |
| RU2611022C1 (ru) * | 2016-01-28 | 2017-02-17 | федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации | Способ совместного арифметического и помехоустойчивого кодирования (варианты) |
| US11776562B2 (en) * | 2020-05-29 | 2023-10-03 | Qualcomm Incorporated | Context-aware hardware-based voice activity detection |
| RU2752868C1 (ru) * | 2020-08-24 | 2021-08-11 | федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации | Способ арифметического кодирования и декодирования |
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2009
- 2009-10-09 EP EP09305961A patent/EP2315358A1/en not_active Withdrawn
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2010
- 2010-10-01 TW TW099133448A patent/TWI558110B/zh active
- 2010-10-01 TW TW108128334A patent/TWI714203B/zh active
- 2010-10-01 RU RU2015135352A patent/RU2691197C2/ru active
- 2010-10-01 MX MX2012004172A patent/MX2012004172A/es active IP Right Grant
- 2010-10-01 KR KR1020177004383A patent/KR101782300B1/ko active IP Right Grant
- 2010-10-01 KR KR1020187015841A patent/KR101950253B1/ko active IP Right Grant
- 2010-10-01 RU RU2012118634/08A patent/RU2565501C2/ru active
- 2010-10-01 KR KR1020237033869A patent/KR20230145524A/ko active Application Filing
- 2010-10-01 KR KR1020197004376A patent/KR101993820B1/ko active IP Right Grant
- 2010-10-01 CA CA2777057A patent/CA2777057C/en active Active
- 2010-10-01 AU AU2010305548A patent/AU2010305548B2/en active Active
- 2010-10-01 CN CN201510458559.3A patent/CN104967454B/zh active Active
- 2010-10-01 KR KR1020207029672A patent/KR102361280B1/ko active IP Right Grant
- 2010-10-01 ES ES19187816T patent/ES2866125T3/es active Active
- 2010-10-01 EP EP19187816.4A patent/EP3591843B1/en active Active
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- 2010-10-01 MY MYPI2016001568A patent/MY176427A/en unknown
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- 2010-10-01 KR KR1020227004028A patent/KR102586833B1/ko active IP Right Grant
- 2010-10-01 TW TW104143481A patent/TWI580198B/zh active
- 2010-10-01 CN CN201510458595.XA patent/CN105119607B/zh active Active
- 2010-10-01 BR BR122019019559-5A patent/BR122019019559B1/pt active IP Right Grant
- 2010-10-01 US US13/500,106 patent/US9219498B2/en active Active
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- 2010-10-01 EP EP21213737.6A patent/EP3998708B1/en active Active
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- 2010-10-01 CA CA3178168A patent/CA3178168A1/en active Pending
- 2010-10-01 CN CN201080045319.6A patent/CN102577133B/zh active Active
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- 2015-10-20 AU AU2015246076A patent/AU2015246076B2/en active Active
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- 2016-05-18 HK HK16105686.0A patent/HK1217826A1/zh unknown
- 2016-05-18 HK HK16105684.2A patent/HK1217824A1/zh unknown
- 2016-05-18 HK HK16105687.9A patent/HK1217827A1/zh unknown
- 2016-05-18 HK HK16105685.1A patent/HK1217825A1/zh unknown
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2017
- 2017-12-07 AU AU2017272250A patent/AU2017272250B2/en active Active
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2018
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2019
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2020
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2021
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2022
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2023
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- 2023-09-12 US US18/465,479 patent/US20230421174A1/en active Pending
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