KR960005750B1 - 고 능률 부호화 장치 - Google Patents
고 능률 부호화 장치 Download PDFInfo
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- KR960005750B1 KR960005750B1 KR1019880006314A KR880006314A KR960005750B1 KR 960005750 B1 KR960005750 B1 KR 960005750B1 KR 1019880006314 A KR1019880006314 A KR 1019880006314A KR 880006314 A KR880006314 A KR 880006314A KR 960005750 B1 KR960005750 B1 KR 960005750B1
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
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- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
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- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/98—Adaptive-dynamic-range coding [ADRC]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Massaging Devices (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Soft Magnetic Materials (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (3)
- 복수의 필드에 속하는 화소의 3차원 그룹을 표시하는 디지탈 비디오 데이타의 블럭으로 이루어진 포맷으로 디지탈 비디오 데이타를 부호화하고 소정 전송 용량을 갖는 데이타 전송 수단에 의해 전송하기 위하여 비디오 데이타를 압축하는 고능률 부호화 장치에 있어서, 각 블럭의 이동량을 검출하여 검출된 이동량을 발생시키는 이동 검출 수단과, 소정 주기 동안 상기 디지탈 비디오 데이타를 분석하여 분석된 결과를 발생시키는 수단과, 상기 전송 수단의 상기 소정 전송 용량 및 상기 분석 결과로부터 상기 소정 주기 동안 상기 이동량의 임계값 각 블럭에 대한 부호화 비트수를 결정하는 수단과, 상기 검출된 이동량이 상기 임계값보다 작은 블럭의 복수의 비디오 필드의 디지탈 데이타를 프레임-드로핑 처리하는 수단과, 엔코딩 비트수로 상기 디지탈 비디오 데이타를 엔코딩하는 엔코딩 수단 및, 압축 수단의 출력, 상기 검출된 이동량을 토대로 한 신호 및 각 상기 소정 주기 동안 부가적인 부호를 전송하는 수단을 구비하는 것을 특징으로 하는 고능률 부호화 장치.
- 제1항에 있어서, 상기 블럭 각각의 상기 복수 화소를 표시하는 상기 디지탈 비디오 데이타의 최대값 및 최소값 각각을 검출하는 제1 및 제2검출 수단 및, 상기 각 블럭에 대한 상기 최대 및 최소값으로부터 각 상기 블럭에 대한 다이나믹 렌지 정보를 발생시키는 수단을 구비하며, 상기 분석 수단은 상기 검출된 이동량보다 작은 이동량에 대한 표에 제1수를 설정하고 상기 검출된 이동량보다 큰 이동량에 대한 표에 제2수를 설정하므로써 소정 주기 동안 각 이동량에 대한 상기 다이나믹 렌지 정보의 도수 분포표를 발생시키는 수단을 구비하며, 상기 전송 수단은 상기 엔코딩 수단의 출력과, 상기 최대값, 최소값 및 상기 다이나믹 렌지 정보를 토대로 한 신호와 상기 검출된 이동량을 토대로 한 신호를 적어도 두개로 형성된 각 블럭 대한 제1부가 코드 및, 상기 소정 기간 동안의 제2부가 코드를 전송하고 상기 프레임-드로핑 처리 수단은 상기 검출된 이동량이 상기 임계값보다 작은 블럭의 복수 비디오 필드의 디지탈 데이타를 평균화하는 것을 특징으로 하는 고능률 부호화 장치.
- 디지탈 비디오 데이타를 부호화하고 소정 전송 용량을 갖는 데이타 전송 수단에 의해 전송하기 위하여 비디오 데이타를 압축하는 고능률 부호화 장치에 있어서, 이동량을 검출하여 검출된 이동량을 발생시키는 이동 검출 수단과, 소정 주기 동안 상기 디지탈 비디오 데이타를 분석하여 분석된 결과를 발생시키는 수단과, 상기 전송 수단의 상기 소정 전송 용량 및 상기 분석된 결과로부터 상기 조정 기간 동안 적어도 상기 이동량의 임계값 및 코딩 비트수를 결정하는 수단과, 상기 검출된 이동량 및 임계값으로부터 얻어지는 정보에 응답하여 시간 방향으로 디지탈 데이타를 압축하고 상기 코딩 비트수에 응답하여 레벨 방향으로 상기 디지탈 데이타를 압축하는 수단 및, 상기 압축 수단의 출력, 상기 검출된 이동량을 토대로 한 신호 및 상기 소정 주기에 대한 부가코드를 전송하는 수단을 구비하는 것을 특징으로 하는 고능률 부호화 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP133,924 | 1987-05-29 | ||
JP13392487A JP2508439B2 (ja) | 1987-05-29 | 1987-05-29 | 高能率符号化装置 |
JP133924 | 1987-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880014749A KR880014749A (ko) | 1988-12-24 |
KR960005750B1 true KR960005750B1 (ko) | 1996-05-01 |
Family
ID=15116269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880006314A Expired - Lifetime KR960005750B1 (ko) | 1987-05-29 | 1988-05-28 | 고 능률 부호화 장치 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4845560A (ko) |
EP (1) | EP0293189B1 (ko) |
JP (1) | JP2508439B2 (ko) |
KR (1) | KR960005750B1 (ko) |
AT (1) | ATE108594T1 (ko) |
AU (1) | AU599799B2 (ko) |
CA (1) | CA1288507C (ko) |
DE (1) | DE3850614T2 (ko) |
Families Citing this family (126)
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-
1987
- 1987-05-29 JP JP13392487A patent/JP2508439B2/ja not_active Expired - Fee Related
-
1988
- 1988-05-18 US US07/195,271 patent/US4845560A/en not_active Expired - Lifetime
- 1988-05-18 CA CA 567079 patent/CA1288507C/en not_active Expired - Lifetime
- 1988-05-25 DE DE3850614T patent/DE3850614T2/de not_active Expired - Lifetime
- 1988-05-25 EP EP88304747A patent/EP0293189B1/en not_active Expired - Lifetime
- 1988-05-25 AT AT88304747T patent/ATE108594T1/de not_active IP Right Cessation
- 1988-05-28 KR KR1019880006314A patent/KR960005750B1/ko not_active Expired - Lifetime
- 1988-05-30 AU AU16777/88A patent/AU599799B2/en not_active Expired
Also Published As
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---|---|
EP0293189A3 (en) | 1990-08-16 |
JPS63299587A (ja) | 1988-12-07 |
KR880014749A (ko) | 1988-12-24 |
DE3850614D1 (de) | 1994-08-18 |
EP0293189A2 (en) | 1988-11-30 |
CA1288507C (en) | 1991-09-03 |
AU599799B2 (en) | 1990-07-26 |
DE3850614T2 (de) | 1994-11-10 |
EP0293189B1 (en) | 1994-07-13 |
AU1677788A (en) | 1988-12-01 |
US4845560A (en) | 1989-07-04 |
ATE108594T1 (de) | 1994-07-15 |
JP2508439B2 (ja) | 1996-06-19 |
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