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KR880014749A - 고능률 부호화 장치 - Google Patents

고능률 부호화 장치 Download PDF

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Publication number
KR880014749A
KR880014749A KR1019880006314A KR880006314A KR880014749A KR 880014749 A KR880014749 A KR 880014749A KR 1019880006314 A KR1019880006314 A KR 1019880006314A KR 880006314 A KR880006314 A KR 880006314A KR 880014749 A KR880014749 A KR 880014749A
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KR
South Korea
Prior art keywords
block
pixel data
amount
dynamic range
high efficiency
Prior art date
Application number
KR1019880006314A
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English (en)
Other versions
KR960005750B1 (ko
Inventor
데쯔지로 곤도
야스히로 후지모리
Original Assignee
오오가노리오
소니 가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 오오가노리오, 소니 가부시끼가이샤 filed Critical 오오가노리오
Publication of KR880014749A publication Critical patent/KR880014749A/ko
Application granted granted Critical
Publication of KR960005750B1 publication Critical patent/KR960005750B1/ko

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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
    • 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
    • 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
    • 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
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Massaging Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Soft Magnetic Materials (AREA)
  • Image Processing (AREA)

Abstract

내용 없음

Description

고능률 부호화 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 하나의 실시예의 기록측 구성을 나타내는 블록도, 제2도, 제3도는 및 블록 구성의 설명을 위한 약선도.

Claims (1)

  1. 디지탈 화상 신호의 연속하는 복수 필드에 속하는 영역으로 되는 블록내에 포함되는 복수의 화소 데이터 최대치, 상기 복수의 화소 데이터 최소치 및 상기 블록 마다의 다이나믹 렌지를 구하는 수단과, 각 블록내의 복수의 화소에서 블록의 동작량을 검출하는 수단과, 상기 블록마다의 다이나믹 렌지의 값에 대해, 해당 블록의 검출된 동작량을 구분하여 동작량이 적은 영역과 동작량이 많은 영역에 대해 서로 다른 도수를 주어 소정의 기간에 상기 도수의 집계하고 도수 분포를 구하는 수단과, 소정의 동작량 이하의 블록에 대한 복수 필드간의 대응 화소 데에타의 평균을 갖고 구락으로 처리를 행하는 수단과, 상기 블록내에 복수의 화소 데이터를 그 블록의 다이나믹 렌지에 따라 압축 부호화하는 수단과, 상기 도수 분포와 전송로의 전송 용량에 따라 상기 소정의 동작량 및 부호화 비트수를 설정하는 수단을 구비하는 것을 특징으로 하는 고 능률 부호화 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880006314A 1987-05-29 1988-05-28 고 능률 부호화 장치 KR960005750B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13392487A JP2508439B2 (ja) 1987-05-29 1987-05-29 高能率符号化装置
JP133,924 1987-05-29
JP133924 1987-05-29

Publications (2)

Publication Number Publication Date
KR880014749A true KR880014749A (ko) 1988-12-24
KR960005750B1 KR960005750B1 (ko) 1996-05-01

Family

ID=15116269

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880006314A 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)

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Also Published As

Publication number Publication date
EP0293189B1 (en) 1994-07-13
DE3850614T2 (de) 1994-11-10
JP2508439B2 (ja) 1996-06-19
ATE108594T1 (de) 1994-07-15
JPS63299587A (ja) 1988-12-07
EP0293189A2 (en) 1988-11-30
KR960005750B1 (ko) 1996-05-01
AU1677788A (en) 1988-12-01
EP0293189A3 (en) 1990-08-16
CA1288507C (en) 1991-09-03
DE3850614D1 (de) 1994-08-18
AU599799B2 (en) 1990-07-26
US4845560A (en) 1989-07-04

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