KR100292138B1 - 디지탈비디오신호용송신기및수신기 - Google Patents
디지탈비디오신호용송신기및수신기 Download PDFInfo
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- KR100292138B1 KR100292138B1 KR1019940016622A KR19940016622A KR100292138B1 KR 100292138 B1 KR100292138 B1 KR 100292138B1 KR 1019940016622 A KR1019940016622 A KR 1019940016622A KR 19940016622 A KR19940016622 A KR 19940016622A KR 100292138 B1 KR100292138 B1 KR 100292138B1
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Abstract
Description
Claims (9)
- 디지탈 비디오 데이타의 수개의 프레임이 공급되어 상기 디지탈 비디오 데이타의 정지 화상을 나타내는 배경 플레인 데이타 및 상기 디지탈 비디오 데이타의 움직임 화상을 나타내는 적어도 하나의 움직임 플레인 데이타를 발생하기위한 플레인 데이타 발생 수단;각각이 상기 배경 플레인 데이타 및 상기 적어도 하나의 움직임 플레인 데이타를 저장하기 위한 다수의 메모리 수단;상기 메모리 수단 내에 저장된 상기 움직임 플레인 데이타와 상기 디지탈 비디오 데이타의 현재 프레임의 상기 움직임 플레인 데이타 간의 차를 나타내는 움직임 플레인 변화 정보를 검출하기 위한 변화 정보 검출 수단; 및상기 메모리 수단에 저장된 상기 배경 플레인 데이타와 상기 움직임 플레인 데이타 및 움직임 플레인 변화 정보를 전송하기 위한 전송 수단을 포함하는 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
- 제1항에 있어서, 상기 변화 정보 검출 수단과 상기 전송 수단 사이에 접속되어 상기 변화 정보의 압축된 변화 정보를 발생하여 상기 압축된 변화 정보를 상기 전송 수단으로 출력하기 위한 변화 정보 압축 수단을 더 포함하는 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
- 제2항에 있어서, 상기 배경 플레인 데이타 및 상기 움직임 플레인 데이타가 공급되어 압축된 배경 플레인 데이타 및 압축된 움직임 플레인 데이타를 발생시키기 위한 플레인 데이타 압축 수단을 더 포함하며, 상기 플레인 데이타 압축 수단의 압축 효율이 상기 변화 정보 압축 수단의 효율보다 낮은 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
- 제1항에 있어서, 상기 배경 플레인 데이타를 저장하기 위한 상기 메모리 수단은 상기 디지탈 비디오 데이타의 한 스크린보다 넓은 범위의 픽처 프레임의 배경 플레인 데이타를 저장하는 것을 특징으로 하는 디지탈 비디오 데이타를 부호 화하기 위한 장치.
- 제1항에 있어서, 상기 변화 정보 검출 수단은 상기 메모리 수단 내에 저장된 상기 배경 플레인 데이타 및 상기 디지탈 비디오 데이타의 상기 현재 프레임의 배경 플레인 데이타 간의 차를 나타내는 배경 플레인 변화 정보를 더 검출하고, 상기 메모리 수단이 디지탈 비디오 데이타의 한 스크린보다 넓은 범위의 픽처 프레임을 갖는 배경 플레인 데이타를 저장하도록 상기 배경 플레인 변화 정보에 기초하여 상기 메모리 수단 내에 저장된 배경 플레인 데이타를 갱신하기 위한 제어 수단을 더 포함하는 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
- 제5항에 있어서, 상기 제어 수단은 상기 갱신된 배경 플레인 데이타에 기초하여 상기 배경 플레인 변화 정보를 재생성시키는 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
- 제6항에 있어서, 상기 전송 수단은 상기 재생성된 배경 플레인 변화 정보뿐만 아니라 배경 플레인 데이타로서 상기 갱신된 배경 플레인 데이타를 전송하는 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
- 제5항에 있어서, 상기 제어 수단은 상기 움직임 플레인 변화 정보에 상기 배경 플레인 상의 위치를 나타내는 데이타를 가산하는 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
- 디지탈 비디오 데이타의 수개의 프레임이 공급되어 상기 디지탈 비디오 데이타의 정지 화상을 나타내는 배경 플레인 데이타 및 상기 디지탈 비디오 데이타의 움직임 화상을 나타내는 적어도 하나의 움직임 플레인 데이타를 발생시키기 위한 플레인 데이타 발생 수단;다수의 전형적인 화상 데이타를 저장하기 위한 전형적인 화상 저장 수단;각각이 상기 배경 플레인 데이타 및 상기 적어도 하나의 움직임 플레인 데이타를 저장하기 위한 다수의 메모리 수단;선택된 전형적인 화상 데이타에 대응하는 판별 데이타 및 상기 전형적인 화상 데이타의 위치를 나타내는 위치 데이타를 얻기 위해 상기 메모리 수단 내에 저장된 상기 배경 플레인 데이타 또는 상기 움직임 플레인 데이타로부터 상기 전형적인 화상 데이타 중 가장 유사한 전형적인 화상 데이타를 선택하기 위한 수단;상기 전형적인 화상 데이타 및 상기 디지탈 비디오 데이타의 현재 프레임의 움직임 플레인 데이타 간의 차를 나타내는 움직임 플레인 변화 정보를 검출하기 위한 변화 정보 검출 수단; 및상기 움직임 플레인 변화 정보뿐만 아니라 식별 데이타 및 위치 데이타를 전송하기 위한 전송 수단을 포함하는 것을 특징으로 하는 디지탈 비디오 데이타를 부호화하기 위한 장치.
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JP93-195214 | 1993-07-12 | ||
JP19521493 | 1993-07-12 | ||
JP20285693A JP3543978B2 (ja) | 1993-07-23 | 1993-07-23 | デジタル画像信号の伝送装置、受信装置およびデジタル画像信号の記録装置、再生装置 |
JP93-202856 | 1993-07-23 | ||
JP93-204505 | 1993-07-27 | ||
JP20450593A JP3263749B2 (ja) | 1993-07-27 | 1993-07-27 | デジタル画像信号の記録装置 |
JP20730193A JP3318848B2 (ja) | 1993-07-29 | 1993-07-29 | デジタル画像信号の伝送装置 |
JP93-207301 | 1993-07-29 | ||
JP93218080 | 1993-08-10 | ||
JP93-218080 | 1993-08-10 | ||
JP21808093A JP3271634B2 (ja) | 1993-08-10 | 1993-08-10 | デジタル画像信号の伝送装置及び受信装置 |
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KR960015525A KR960015525A (ko) | 1996-05-22 |
KR100292138B1 true KR100292138B1 (ko) | 2002-06-20 |
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US6335988B1 (en) | 2002-01-01 |
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US6275617B1 (en) | 2001-08-14 |
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