KR940003199B1 - 다수의 기호값을 갖는 입력 신호를 인코딩하는 방법 - Google Patents
다수의 기호값을 갖는 입력 신호를 인코딩하는 방법 Download PDFInfo
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- KR940003199B1 KR940003199B1 KR1019910002066A KR910002066A KR940003199B1 KR 940003199 B1 KR940003199 B1 KR 940003199B1 KR 1019910002066 A KR1019910002066 A KR 1019910002066A KR 910002066 A KR910002066 A KR 910002066A KR 940003199 B1 KR940003199 B1 KR 940003199B1
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- 238000000034 method Methods 0.000 title claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 4
- 239000000872 buffer Substances 0.000 description 39
- 238000012360 testing method Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 6
- 238000013144 data compression Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 1
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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
- H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
- H03M7/12—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word having two radices, e.g. binary-coded-decimal code
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
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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
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Abstract
Description
Claims (7)
- 기호원(101)으로부터 인코드될 입력 신호를 제공하는 단계와, 상기 입력 신호의 확률 평가를 (205로부터)제공하는 단계와, 인코드된 신호를 발생하기 위해, 제공된 입력 신호를 상기 확률 평가에 응답하여 산술적으로 인코딩하는 단계에서, 상기 입력 신호를 압축 데이타화한 신호와 제1캐리 표시자를 발생하는 서브단계와 상기 제1캐리 표시자에 응답하여 상기 압축 데이타화한 신호를 처리하는 서브 단계를 포함하는 (201를 통해)산술적으로 인코드하는 단계와, 전송 및 기억 매체에 상기 입력 신호의 상기 인코드된 신호(102를 통해)를 제공하는 단계를 구비하는 다수의 기호값을 갖는 입력 신호를 인코딩하는 방법에 있어서, 상기 처리하는 서브 단계는, 상기 제1캐리 표시자에 의해 수정된 상기 압축 데이타화된 신호에서 제1종류의 연속 지정 논리 신호의 세트 카운트를 누산하는 단계(603-608)와, 제1캐리가 카운트 되는 세트에서 제1종류의 연속지정 논리 신호를 통해 전달되는가를 표시하는 제2캐리 표시자(502를 통해)를 얻은 단계와, 상기 세트의 카운트를 누산하기 전후에 상기 제1캐리 표시자에 의해 수정된 압축 데이타 논리 신호의 임의의 세트를 출력으로써 기억 및 제공하는 단계(611-616)와, 상기 세트의 카운트를 누산하기 전후에 발생되는 상기 세트에 상기 제2캐리 표시자를 부가하는 단계(610)와, 각 세트는 상기 제2캐리 표시자에 따르는 제1 및 제2종류의 연속 지정 논리 신호를 포함하며, 상기 누산된 카운트와 동일한 세트수를 출력으로서 제공하는 단계 (617-623)를 특징으로 하는 입력 신호 인코딩 방법.
- 제1항에 있어서, 제1종류의 연속지정 논리 신호는 논리수 1이고, 제2종류의 연속지정 논리 신호는 논리수 0인 것을 특징으로 하는 입력 신호 인코딩 방법.
- 제1항에 있어서, 상기 출력으로서 제공하는 단계는, 상기 카운트와 동일한 세트수를 출력으로 제공하는 단계(617-620, 또는 617및 621-623)를 포함하고, 각 세트는 상기 제2캐리 표시자를 보완하는 연속지정 논리 신호를 포함하는 것을 특징으로 하는 입력 신호 인코딩 방법.
- 제3항에 있어서, 상기 제2캐리 표시자가 논리수 1인 경우에는 캐리 있음을 표시하고, 논리수 0인 경우에는 캐리 없음을 표시하는 것을 특징으로 하는 입력 신호 인코딩 방법.
- 제4항에 있어서, 상기 각각의 세트는 소정수의 비트로 이루어진 것을 특징으로 하는 입력 신호 인코딩 방법.
- 제5항에 있어서, 소정의 비트수가 한 바이트인 것을 특징으로 하는 입력 신호 인코딩 방법.
- 제1항에 있어서, 상기 누산하는 단계는, 저장부로 시프트될 압축 데이타화된 신호의 비트를 기억하는 단계(606)와, 기억된 비트의 최하위의 비트에 제1캐리 표시자를 부가하는 단계(604)와, 상기 압축화된 데이타 신호에서 제1종류의 연속 지정 논리 신호의 세트수를 카운트하는 단계(603-608)를 포함하는 것을 특징으로 하는 신호 인코딩 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US478,335 | 1990-02-12 | ||
US07/478,335 US4973961A (en) | 1990-02-12 | 1990-02-12 | Method and apparatus for carry-over control in arithmetic entropy coding |
Publications (2)
Publication Number | Publication Date |
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KR910016155A KR910016155A (ko) | 1991-09-30 |
KR940003199B1 true KR940003199B1 (ko) | 1994-04-15 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019910002066A KR940003199B1 (ko) | 1990-02-12 | 1991-02-07 | 다수의 기호값을 갖는 입력 신호를 인코딩하는 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4973961A (ko) |
EP (1) | EP0443255B1 (ko) |
JP (1) | JPH07123228B2 (ko) |
KR (1) | KR940003199B1 (ko) |
CA (1) | CA2032127C (ko) |
DE (1) | DE69029194T2 (ko) |
Cited By (1)
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US10306228B2 (en) | 2012-01-20 | 2019-05-28 | Electronics And Telecommunications Research Institute | Method for encoding and decoding quantized matrix and apparatus using same |
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KR950013404B1 (ko) * | 1991-11-15 | 1995-11-08 | 미쯔비시덴끼 가부시끼가이샤 | 부호전송장치 |
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JP3409552B2 (ja) * | 1995-12-27 | 2003-05-26 | 三菱電機株式会社 | ディジタル情報符号化装置、ディジタル情報復号化装置、及びディジタル情報符号化・復号化装置 |
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JPH09298668A (ja) * | 1996-05-07 | 1997-11-18 | Mitsubishi Electric Corp | ディジタル情報符号化装置、ディジタル情報復号化装置、ディジタル情報符号化・復号化装置、ディジタル情報符号化方法、及びディジタル情報復号化方法 |
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1990
- 1990-02-12 US US07/478,335 patent/US4973961A/en not_active Expired - Lifetime
- 1990-12-12 CA CA002032127A patent/CA2032127C/en not_active Expired - Lifetime
- 1990-12-13 EP EP90313602A patent/EP0443255B1/en not_active Expired - Lifetime
- 1990-12-13 DE DE69029194T patent/DE69029194T2/de not_active Expired - Lifetime
-
1991
- 1991-02-07 KR KR1019910002066A patent/KR940003199B1/ko not_active IP Right Cessation
- 1991-02-12 JP JP3038954A patent/JPH07123228B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10306228B2 (en) | 2012-01-20 | 2019-05-28 | Electronics And Telecommunications Research Institute | Method for encoding and decoding quantized matrix and apparatus using same |
Also Published As
Publication number | Publication date |
---|---|
EP0443255B1 (en) | 1996-11-20 |
CA2032127C (en) | 1995-04-18 |
DE69029194D1 (de) | 1997-01-02 |
JPH04227337A (ja) | 1992-08-17 |
EP0443255A3 (ko) | 1994-01-19 |
DE69029194T2 (de) | 1997-03-20 |
JPH07123228B2 (ja) | 1995-12-25 |
KR910016155A (ko) | 1991-09-30 |
US4973961A (en) | 1990-11-27 |
EP0443255A2 (en) | 1991-08-28 |
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