BR9713639A - Processo para codificar uma mensagem - Google Patents
Processo para codificar uma mensagemInfo
- Publication number
- BR9713639A BR9713639A BR9713639-5A BR9713639A BR9713639A BR 9713639 A BR9713639 A BR 9713639A BR 9713639 A BR9713639 A BR 9713639A BR 9713639 A BR9713639 A BR 9713639A
- Authority
- BR
- Brazil
- Prior art keywords
- quantization
- encoding
- receive
- message
- value
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Analogue/Digital Conversion (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
"PROCESSO PARA CODIFICAR UMA MENSAGEM". A invencão refere-se a um processo para a codificação de um sinal analógico possuindo uma amplitude com uma densidade de probabilidade não uniforme; o processo compreendendo: a quantização do sinal como estando dentro de uma das várias faixas de nível, e a codificação do sinal quantizado pela designação de palavras código, cada uma possuindo vários dígitos de valor binário, para os níveis de quantização de forma a gerar uma mensagem codificada binária; onde as palavras código recebem os níveis de quantização de acordo com a probabilidade de ocorrência dos níveis de quantização e o número de bits possuindo um primeiro valor ("1") na palavra código de foram que os níveis de quantização da probabilidade de ocorrência superior recebam as palavras código com menos bits possuindo um primeiro valor ("1") do que os que recebem os níveis de quantização de menor probabilidade de ocorrência. A codificação inclui a geração de uma mensagem codificada binária de forma que o número de bits na mensagem codificada seja minimizado.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9604834A SE512613C2 (sv) | 1996-12-30 | 1996-12-30 | Metod och organ för informationshantering |
PCT/SE1997/002158 WO1998029954A1 (en) | 1996-12-30 | 1997-12-18 | Method and means for handling information |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9713639A true BR9713639A (pt) | 2000-04-11 |
Family
ID=20405183
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9713795-2A BR9713795A (pt) | 1996-12-30 | 1997-12-18 | Processos de redução do número de bits em uma mensagem, de codificação de uma mensagem, de codificação de um sinal analógico, de recuperar uma mensagem, de decodificação de dados, dispositivos de codificação e de decodificação de uma mensagem, sistema para o manuseio de informação, aparelho eletrônico, telefone móvel, e, produto de programa de computador |
BR9713639-5A BR9713639A (pt) | 1996-12-30 | 1997-12-18 | Processo para codificar uma mensagem |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9713795-2A BR9713795A (pt) | 1996-12-30 | 1997-12-18 | Processos de redução do número de bits em uma mensagem, de codificação de uma mensagem, de codificação de um sinal analógico, de recuperar uma mensagem, de decodificação de dados, dispositivos de codificação e de decodificação de uma mensagem, sistema para o manuseio de informação, aparelho eletrônico, telefone móvel, e, produto de programa de computador |
Country Status (15)
Country | Link |
---|---|
US (2) | US6218968B1 (pt) |
EP (2) | EP0948845A1 (pt) |
JP (2) | JP3960627B2 (pt) |
KR (2) | KR100375278B1 (pt) |
CN (2) | CN1108015C (pt) |
AR (2) | AR008949A1 (pt) |
AU (2) | AU739418B2 (pt) |
BR (2) | BR9713795A (pt) |
CO (2) | CO4771137A1 (pt) |
EE (2) | EE9900324A (pt) |
HK (2) | HK1027227A1 (pt) |
MY (2) | MY118092A (pt) |
SE (1) | SE512613C2 (pt) |
TR (2) | TR199901513T2 (pt) |
WO (2) | WO1998029954A1 (pt) |
Families Citing this family (41)
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KR100293523B1 (ko) * | 1998-02-25 | 2001-09-17 | 구본준, 론 위라하디락사 | 액정표시장치 |
US7981126B2 (en) * | 1999-04-16 | 2011-07-19 | Vital Access Corporation | Locking compression plate anastomosis apparatus |
KR100359118B1 (ko) * | 2001-03-20 | 2002-11-04 | 주식회사 아름테크놀로지 | 균일 엔트로피 데이터에 대한 비손실 압축방법 |
GB2378361B (en) * | 2001-08-01 | 2004-10-13 | Roke Manor Research | Method for compression of data |
FR2835665B1 (fr) * | 2002-02-04 | 2004-04-02 | Canon Kk | Codage et decodage de signal numerique |
US6941412B2 (en) * | 2002-08-29 | 2005-09-06 | Sandisk Corporation | Symbol frequency leveling in a storage system |
US7212681B1 (en) * | 2003-01-15 | 2007-05-01 | Cisco Technology, Inc. | Extension of two-dimensional variable length coding for image compression |
US6961696B2 (en) * | 2003-02-07 | 2005-11-01 | Motorola, Inc. | Class quantization for distributed speech recognition |
US7194137B2 (en) * | 2003-05-16 | 2007-03-20 | Cisco Technology, Inc. | Variable length coding method and apparatus for video compression |
KR20050053996A (ko) | 2003-12-03 | 2005-06-10 | 삼성전자주식회사 | 허프만 코드를 효율적으로 복호화하는 방법 및 장치 |
US7454073B2 (en) | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Video compression using multiple variable length coding processes for multiple classes of transform coefficient blocks |
US7499595B2 (en) * | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Joint amplitude and position coding for photographic image and video coding |
US7471840B2 (en) * | 2004-08-18 | 2008-12-30 | Cisco Technology, Inc. | Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression |
US7471841B2 (en) | 2004-06-15 | 2008-12-30 | Cisco Technology, Inc. | Adaptive breakpoint for hybrid variable length coding |
US7499596B2 (en) | 2004-08-18 | 2009-03-03 | Cisco Technology, Inc. | Amplitude coding for clustered transform coefficients |
US7454076B2 (en) * | 2004-06-15 | 2008-11-18 | Cisco Technology, Inc. | Hybrid variable length coding method for low bit rate video coding |
US7492956B2 (en) * | 2004-08-18 | 2009-02-17 | Cisco Technology, Inc. | Video coding using multi-dimensional amplitude coding and 2-D non-zero/zero cluster position coding |
US7680349B2 (en) * | 2004-08-18 | 2010-03-16 | Cisco Technology, Inc. | Variable length coding for clustered transform coefficients in video compression |
US7620258B2 (en) * | 2004-08-18 | 2009-11-17 | Cisco Technology, Inc. | Extended amplitude coding for clustered transform coefficients |
EP1675031B1 (en) * | 2004-12-22 | 2010-01-06 | Telefonaktiebolaget L M Ericsson (Publ) | Watermarking computer program code by equivalent mathematical expressions |
US7242328B1 (en) * | 2006-02-03 | 2007-07-10 | Cisco Technology, Inc. | Variable length coding for sparse coefficients |
CN100468576C (zh) * | 2007-05-30 | 2009-03-11 | 忆正存储技术(深圳)有限公司 | 闪存数据读写处理方法 |
US20100081284A1 (en) * | 2008-09-29 | 2010-04-01 | Applied Materials, Inc. | Methods and apparatus for improving flow uniformity in a process chamber |
KR101582223B1 (ko) * | 2009-02-05 | 2016-01-04 | 삼성전자주식회사 | 미스얼라인 측정용 구조물 및 이를 이용한 패턴의 미스얼라인 측정방법 |
CN102811113B (zh) * | 2012-07-12 | 2014-12-10 | 中国电子科技集团公司第二十八研究所 | 一种字符型报文压缩方法 |
US9135155B2 (en) | 2012-11-30 | 2015-09-15 | Sandisk Technologies Inc. | Storage and retrieval of shaped data |
US9575683B2 (en) | 2012-11-30 | 2017-02-21 | Sandisk Technologies Llc | Processing shaped data |
RU2510942C1 (ru) * | 2012-12-05 | 2014-04-10 | Владимир Петрович Панов | Способ передачи и приема информации |
RU2510941C1 (ru) * | 2012-12-05 | 2014-04-10 | Владимир Петрович Панов | Система передачи и приема информации |
US9165649B2 (en) | 2013-12-20 | 2015-10-20 | Sandisk Technologies Inc. | Systems and methods of shaping data |
WO2015112167A1 (en) * | 2014-01-24 | 2015-07-30 | Hewlett-Packard Development Company, L.P. | Bit-flip coding |
CN105022674B (zh) * | 2014-04-25 | 2019-02-01 | 群联电子股份有限公司 | 解码方法、存储器存储装置、存储器控制电路单元 |
JP6511752B2 (ja) * | 2014-09-19 | 2019-05-15 | カシオ計算機株式会社 | 符号化装置、符号化方法、復号装置、復号方法、及び、プログラム |
US10074427B2 (en) | 2014-11-12 | 2018-09-11 | Sandisk Technologies Llc | Shaped data associated with an erase operation |
US9912352B1 (en) * | 2017-06-06 | 2018-03-06 | Western Digital Technologies, Inc. | Hamming distance based binary representations of numbers |
US10719339B2 (en) * | 2017-10-18 | 2020-07-21 | Bank Of America Corporation | Computer architecture for emulating a quantizer in a correlithm object processing system |
US10727872B2 (en) * | 2018-01-10 | 2020-07-28 | Western Digital Technologies, Inc. | Encoding and decoding of hamming distance-based binary representations of numbers |
CN109979540B (zh) * | 2018-11-29 | 2023-05-05 | 天津大学 | 一种dna信息存储编码方法 |
US10826536B1 (en) * | 2019-10-03 | 2020-11-03 | International Business Machines Corporation | Inter-chip data transmission system using single-ended transceivers |
GB2593691B (en) * | 2020-03-30 | 2022-08-24 | Imagination Tech Ltd | Efficient encoding methods |
WO2023236128A1 (en) * | 2022-06-09 | 2023-12-14 | Huawei Technologies Co., Ltd. | Apparatus and methods for source coding and channel coding of low entropy signals |
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US3651459A (en) * | 1970-05-15 | 1972-03-21 | Philco Ford Corp | Character distance coding |
US4168513A (en) * | 1977-09-12 | 1979-09-18 | Xerox Corporation | Regenerative decoding of binary data using minimum redundancy codes |
US4396906A (en) * | 1980-10-31 | 1983-08-02 | Sri International | Method and apparatus for digital Huffman encoding |
US4516246A (en) * | 1982-02-26 | 1985-05-07 | Prentice Corporation | Data compression system |
US4546342A (en) * | 1983-12-14 | 1985-10-08 | Digital Recording Research Limited Partnership | Data compression method and apparatus |
US4535320A (en) * | 1984-06-22 | 1985-08-13 | Digital Recording Research Limited Partnership | Method and apparatus for digital Huffman decoding |
US4646061A (en) * | 1985-03-13 | 1987-02-24 | Racal Data Communications Inc. | Data communication with modified Huffman coding |
US4899149A (en) * | 1986-02-28 | 1990-02-06 | Gary Kahan | Method of and apparatus for decoding Huffman or variable-length coees |
GB8717124D0 (en) * | 1987-07-20 | 1987-08-26 | British Telecomm | P c m signal coding |
US4841299A (en) * | 1987-08-31 | 1989-06-20 | Digital Recording Research Limited Partnership | Method and apparatus for digital encoding and decoding |
US4813056A (en) * | 1987-12-08 | 1989-03-14 | General Electric Company | Modified statistical coding of digital signals |
JPH0834432B2 (ja) * | 1989-01-31 | 1996-03-29 | 三菱電機株式会社 | 符号化装置及び符号化方法 |
US5254990A (en) * | 1990-02-26 | 1993-10-19 | Fujitsu Limited | Method and apparatus for compression and decompression of data |
JP2697479B2 (ja) * | 1992-04-17 | 1998-01-14 | 国際電信電話株式会社 | 可逆可変長符号化方式 |
EP0582907A3 (en) * | 1992-08-10 | 1995-05-10 | Stac Electronics Inc | Device and method for data compression using search by comparison of strings and Huffman coding. |
GB9224893D0 (en) * | 1992-11-27 | 1993-01-13 | Philips Electronics Nv | Encoding and decoding data |
KR100186915B1 (ko) * | 1994-07-13 | 1999-05-01 | 모리시다 요이치 | 디지털 부호화 장치 및 디지털 부호 복호화 장치 |
US6373412B1 (en) * | 2000-12-15 | 2002-04-16 | International Business Machines Corporation | Fast JPEG huffman encoding and decoding |
-
1996
- 1996-12-30 SE SE9604834A patent/SE512613C2/sv not_active IP Right Cessation
-
1997
- 1997-12-18 WO PCT/SE1997/002158 patent/WO1998029954A1/en active IP Right Grant
- 1997-12-18 BR BR9713795-2A patent/BR9713795A/pt not_active Application Discontinuation
- 1997-12-18 KR KR10-1999-7006002A patent/KR100375278B1/ko not_active IP Right Cessation
- 1997-12-18 WO PCT/SE1997/002159 patent/WO1998029955A1/en active IP Right Grant
- 1997-12-18 EE EEP199900324A patent/EE9900324A/xx unknown
- 1997-12-18 JP JP52991698A patent/JP3960627B2/ja not_active Expired - Fee Related
- 1997-12-18 AU AU55810/98A patent/AU739418B2/en not_active Ceased
- 1997-12-18 BR BR9713639-5A patent/BR9713639A/pt not_active Application Discontinuation
- 1997-12-18 CN CN97181989A patent/CN1108015C/zh not_active Expired - Fee Related
- 1997-12-18 CN CN97181993A patent/CN1100390C/zh not_active Expired - Fee Related
- 1997-12-18 EE EEP199900325A patent/EE04409B1/xx not_active IP Right Cessation
- 1997-12-18 EP EP97952147A patent/EP0948845A1/en not_active Withdrawn
- 1997-12-18 EP EP97952148A patent/EP0948846A1/en not_active Withdrawn
- 1997-12-18 KR KR10-1999-7006001A patent/KR100378319B1/ko not_active IP Right Cessation
- 1997-12-18 JP JP52991598A patent/JP3995106B2/ja not_active Expired - Lifetime
- 1997-12-18 AU AU55811/98A patent/AU730951B2/en not_active Ceased
- 1997-12-18 TR TR1999/01513T patent/TR199901513T2/xx unknown
- 1997-12-18 TR TR1999/01505T patent/TR199901505T2/xx unknown
- 1997-12-24 US US08/998,403 patent/US6218968B1/en not_active Expired - Lifetime
- 1997-12-24 US US08/997,771 patent/US6556151B1/en not_active Expired - Lifetime
- 1997-12-27 MY MYPI97006357A patent/MY118092A/en unknown
- 1997-12-29 CO CO97075264A patent/CO4771137A1/es unknown
- 1997-12-29 CO CO97075263A patent/CO4771136A1/es unknown
- 1997-12-30 MY MYPI97006410A patent/MY121639A/en unknown
- 1997-12-30 AR ARP970106262A patent/AR008949A1/es unknown
- 1997-12-30 AR ARP970106261A patent/AR014862A1/es unknown
-
2000
- 2000-09-27 HK HK00106150A patent/HK1027227A1/xx not_active IP Right Cessation
- 2000-09-28 HK HK00106183A patent/HK1027228A1/xx not_active IP Right Cessation
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Legal Events
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B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFERIDO COM BASE NO ARTIGO 8O COMBINADO COM O ARTIGO 13 DA LPI |
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B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL. |