KR920017482A - 우선순위 비디오 데이타의 재결합 장치 - Google Patents

우선순위 비디오 데이타의 재결합 장치 Download PDF

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KR920017482A
KR920017482A KR1019920003136A KR920003136A KR920017482A KR 920017482 A KR920017482 A KR 920017482A KR 1019920003136 A KR1019920003136 A KR 1019920003136A KR 920003136 A KR920003136 A KR 920003136A KR 920017482 A KR920017482 A KR 920017482A
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앤소니 아캄포라 알폰스
월터 지뎁스키 조엘
저스틴 사라쿠사 로버트
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에릭 피. 헤르만
알씨에이 라이센싱 코오포레이숀
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    • H04N19/174—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 an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
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Abstract

내용 없음

Description

우선순위 비디오 데이타의 재결합 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 나타내는 HDTV 인코딩/디코딩 시스템의 블럭도,
제1B도 및 제1C도는 본 발명을 나타내는 인코드된 비디오 신호의 필드/프레임 시퀀스의 도식도,
제2도는 제3도의 압축기에 의해 제공되는 데이타 매크로 블럭의 도식도,
제3도는 비디오 신호 압축기의 블럭도.

Claims (10)

  1. 고 및 저 우선순위 채널 각각의 고 및 저 우선순위 데이타로서 변환되는 디지탈 압축 비디오 데이타 처리용 비디오 신호 처리 시스템으로, 상기 고 및 저 우선순위 데이타는 영상 재새의 내림 차순내의 부호어 블럭을 나타내는 인코드된 압축 비디오 데이타로부터 발생되고, 각 블럭의 j번째 부호어를 통한 데이타는 고 우선순위 데이타로 할당되며 나머지 부호어는 저 운선순위 데이타로 할당되어 상기 고 및 저 우선순위 데이타를 결합하는 장치에 있어서, 상기 고 및 저 우선순위 데이타에 응답하여 상기 데이타를 디코딩하고 고 및 저 우선순위 데이타의 시퀀스 부호어를 제공하는 제1수단(20-25)과; 상기 고 및 저 우선순위 시퀀스 부호어에 응답하여 제1사전 결정 부호어를 통한 상기 고 우선순위 시퀀스 부호오를 주기적으로 제공하고 상기 저 우선순위 시퀀스의 제2사전 결정 부호어를 통한 상기 저 우선순위 시퀀스 부호어를 제공하며 이러한 주기를 반복하는 제2수단(26)를 구비한 것을 특징으로 하는 고 및 저우선순위 데이타 결합 장치.
  2. 제1항에 있어서, 상기 제2사전 결정 부호어는 블럭 코드의 종단인 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  3. 제1항에 있어서, 상기 제1 사전 결정 부호어는 상기 고 우선순위 시퀀스 부호어의 최소 부분내에 매 j번째 부호어인 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  4. 제3항에 있어서, 상기 고 및 저 우선순위 데이타는 가변 길이로 코드화되고 상기 제1수단은 가변 길이 디코딩 수단을 포함하는 것을 특징으로 하는 고 및 저 우선수위 데이타 결합 장치.
  5. 제1항에 있어서, 상기 고 및 저 우선순위 비디오 데이타는 각 전송 패킷 해더를 포함하는 사전 결정 비트수의 상호 배제 고 및 우선순위 전송 패킷으로 변환하고, 전송 패킷 헤더는 각 고 우선순위 전송 패킷내에서 변환되는 고 우선순위 비디오 데이타를 식별하고 각 저 우선순위 전송 패킷내에서 변환되는 저 우선순위 비디오 데이타를 식별하는 표시이며, 상기 제2 수단은 상기 고 및 저 우선순위 전송 패킷 헤더에 응답하여 상기 고 및 저 우선순위 시퀀스 부호어를 배열하는 표시인 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  6. 제1항에 있어서, 상기 고 및 저 우선순위 비디오 데이타는 블럭 코드의 종단으로 각 블럭을 갖는 시퀀스 블럭 부호어로부터 유도되고, 상기 고 우선순위 비디오 데이타는 각 블럭내의 제1발생 수의 부호어를 포함하고 상기 수를 갖는 코드로 변환되며, 상기 저 우선순위 비디오 데이타는 각 블럭내의 나머지 부호어로 구성되고 블럭 코드의 상기 종단을 포함하며, 상기 제2 수단은 고 및 저 우선순위 부호어 사이의 스위칭 수에 응답하고 저 및 고 우선순위 부호어 사이의 스위칭 블럭 코드의 종단에 응답하는 것을 특징으로 하는 고 및 저 우선순위 데이타 결합 장치.
  7. 고 및 저 우선순위 채널 각각이 고 및 저 우선순위 데이타로서 전송되는 압축 비디오 신호 디코딩용 텔레비전 처리 시스템으로 상기 데이타는 상이한 형태의 부호어(CW)를 포함하고 크고 작은 부호어 형태를 갖는 영상 재생에 대해 계층적으로 나타낸 상기 형태는 상기 고 및 저 우선순위 채널 각각에 포함되며, 데이타 블럭내에 나타나는 상기 부호어는 상기 고 및 저 우선순위 채널 모두에 나타나는 각 블럭으로부터 데이타를 가지며, 상기 고 및 저 우선순위 채널의 데이타는 블럭 식별자를 포함한 헤더 데이타를 구비한 각 전송 패킷으로 변환되고, 상기 고 우선 순위 채널 전송 패킷의 헤더 데이타는 상기 고 우선순위 채널내에 포함된 부호어 형태를 식별하는 부호어(CW#j)를 포함하며, 상기 고 및 저 우선순위 채널로부터 상기 데이타를 단일 데이타 스트림으로 결합하는 장치에 있어서, 수신된 신호에 응답하여 삭제된 헤더 데이타로 상기 고 및 저 우선순위 데이타를 제공하고 상기 헤더 데이타를 제공하는 제1수단(20-25)과; 상기 헤더 데이타내에 상기 부호어(CW#j)에 응답하여 상기 고 우선순위 데이타를 각각의 부분 데이타 블럭으로 분할하는 제3수단(270-272)과; 상기 저 우선순위 데이타에 응답하여 상기 저 우선순위 데이타를 각각의 부분 데이타 블럭으로 분할하는 제3수단(276-278)과 상기 헤더 데이타에 응답하여 상기 단일 데이타 스트림으로 재생 데이타 블럭을 제공하도록 대응하는 고 및 저 우선순위의 부분 데이타 블럭을 결합하는 제4수단(273, 274, 279)을 구비한 것을 특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
  8. 제7항에 있어서, 상기 저 우선순위 채널에 제공되는 상기 저 우선순위 데이타는 블럭 코드의 종단을 포함하고, 상기 제3수단은 상기 블럭 코드의 종단에 응답하여 상기 저 우선순위 데이타를 부분 블럭으로 분할하는 것을특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
  9. 제8항에 있어서, 상기 4수단은 고 우선수위 데이타의 부분 블럭과 결합된 저 우순선위 데이타의 부분 블럭내에 블럭 코드의 종단을 포함한 것을 특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
  10. 제7항에 있어서, 상기 전송 블럭은 에러 검사 코드를 포함하고, 상기 제1수단은 상기 에러 검사 코드에 응답하여 저 우선순위 데이타의 최소 전송 블럭내에 전송 에러가 일어남에 따라 에러 신호를 발생시키는 에러 검출 회로를 포함하고, 상기 제4수단은 상기 에러가 검출되는 전송 블럭으로 부터 저 우선순위 데이타의 부분 블럭으로서 블럭 코드의 종단을 대체하는 수단을 포함한 것을 특징으로 하는 고 및 저 우선순위 채널 데이타를 단일 데이타 스트림으로 결합하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920003136A 1991-02-27 1992-02-27 우선순위 비디오 데이타의 재결합 장치 KR100234839B1 (ko)

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GB9203787D0 (en) 1992-04-08
JPH0583683A (ja) 1993-04-02
MY109845A (en) 1997-08-30
FR2673797B1 (fr) 2001-11-09
CN1065569A (zh) 1992-10-21
KR100234839B1 (ko) 1999-12-15
MX9200830A (es) 1992-08-01
CN1038177C (zh) 1998-04-22
GB2254753B (en) 1994-10-12
DE4205898B4 (de) 2005-02-10
FR2673797A1 (fr) 1992-09-11
DE4205898A1 (de) 1992-09-03
GB2254753A (en) 1992-10-14
US5148272A (en) 1992-09-15

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