KR100322056B1 - 비디오복호기의처리능력요구량을저감하는방법 - Google Patents
비디오복호기의처리능력요구량을저감하는방법 Download PDFInfo
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- KR100322056B1 KR100322056B1 KR1019980043377A KR19980043377A KR100322056B1 KR 100322056 B1 KR100322056 B1 KR 100322056B1 KR 1019980043377 A KR1019980043377 A KR 1019980043377A KR 19980043377 A KR19980043377 A KR 19980043377A KR 100322056 B1 KR100322056 B1 KR 100322056B1
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- H04N19/136—Incoming video signal characteristics or properties
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Abstract
Description
Claims (14)
- 비디오 복호기의 처리능력 요구량을 저감하는 방법으로서,복호기의 기능을 어떻게 제한하는가를 정하는 트로트링량을 소정의 방법에 의해 결정하는 단계와,상기 트로트링량을 상기 복호기로 송신하는 단계와,상기 복호기는 상기 트로트링량에 따라서 기능을 제한함으로써 처리량을 저감하는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제1항에 있어서, 상기 소정의 트로트링량의 결정은,하나 이상의 비트스트림을 복호화하는데 필요한 처리능력 요구량의 하나 이상의 척도와;상기 복호기 처리능력의 하나 이상의 척도 중 하나 이상을 사용하는 것을 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제2항에 있어서, 비트스트림을 복호화하는데 필요한 처리능력 요구량의 상기 척도는,상기 비트스트림에 있어서의 구문 엘리먼트 표식과;상기 비트스트림에 대해 필요한 처리타입 표식과;상기 비트스트림에 대해 필요한 처리량의 표식과;상기 비트스트림에 대해 필요한 처리타입과 양의 조합 중 적어도 하나로 이루어지는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제1항, 제2항 또는 제3항 중의 어느 한 항에 있어서, 상기 복호기의 처리량을 저감하는 단계는복호기의 기능을 적어도 하나 제한하여 복호기의 처리능력을 저감하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제4항에 있어서, 상기 복호기 기능을 제한하는 단계는,운동 보상 참조를 검색하는데 사용되는 하나 이상의 운동벡터 사용을 턴오프하는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제4항에 있어서, 상기 복호기 기능을 제한하는 단계는,상이한 참조 픽처를 참조하는 운동벡터로부터 턴오프하기 위한 하나 이상의 운동벡터를 선택하는 단계와,운동 보상 참조를 검색하기 위해 사용되는 선택된 운동벡터를 턴오프하는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제6항에 있어서, 상기 운동벡터를 선택하는 단계는,일시적으로 가장 긴 거리의 운동벡터를 선택하는 단계와;복호화될 픽처영역의 주변영역내의 운동벡터와 가장 적게 상관되는 운동벡터를 선택하는 단계와;공간적으로 가장 긴 거리의 운동벡터를 선택하는 단계와;모든 운동벡터를 선택하는 단계 중 적어도 한 단계로 이루어진 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제4항에 있어서, 상기 복호기 기능을 제한하는 상기 단계는,하나 이상의 복호기 운동벡터의 값을 수정하는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제8항에 있어서, 상기 값을 수정하는 단계는,하나 이상의 복호기 운동벡터의 정밀도를 제한하는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제8항에 있어서, 상기 값을 수정하는 단계는,하나 이상의 복호기 운동벡터의 범위를 제한하는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제4항에 있어서, 상기 복호기 기능을 제한하는 단계는,계수를 교번값으로 선택적으로 설정함으로써 역 양자화 및 역 DCT 변환 계수의 수를 감소시키는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제11항에 있어서, 상기 교번값은 제로를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제4항에 있어서, 상기 복호기 기능을 제한하는 단계는,하나 이상의 색성분의 복호기 처리를 생략하는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
- 제4항에 있어서, 상기 복호기 기능을 제한하는 단계는,디스플레이에 앞서 복호화된 픽처에 대해 수행되는 처리량을 감소시키는 단계를 포함하는 것을 특징으로 하는 비디오 복호기의 처리능력 요구량을 저감하는 방법.
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JP28364097A JPH11122624A (ja) | 1997-10-16 | 1997-10-16 | ビデオデコーダ処理量を低減する方法および装置 |
JP97-283640 | 1997-10-16 |
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KR19990037165A KR19990037165A (ko) | 1999-05-25 |
KR100322056B1 true KR100322056B1 (ko) | 2002-06-20 |
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KR1019980043377A KR100322056B1 (ko) | 1997-10-16 | 1998-10-16 | 비디오복호기의처리능력요구량을저감하는방법 |
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US (2) | US6389071B1 (ko) |
EP (1) | EP0910219B1 (ko) |
JP (1) | JPH11122624A (ko) |
KR (1) | KR100322056B1 (ko) |
CN (1) | CN1154344C (ko) |
BR (1) | BR9804444A (ko) |
DE (1) | DE69829345T2 (ko) |
ES (1) | ES2239375T3 (ko) |
ID (1) | ID21114A (ko) |
SG (1) | SG72874A1 (ko) |
TW (1) | TW390090B (ko) |
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CN1154344C (zh) | 2004-06-16 |
ID21114A (id) | 1999-04-22 |
KR19990037165A (ko) | 1999-05-25 |
EP0910219A2 (en) | 1999-04-21 |
CN1215282A (zh) | 1999-04-28 |
BR9804444A (pt) | 1999-11-03 |
ES2239375T3 (es) | 2005-09-16 |
TW390090B (en) | 2000-05-11 |
US6389071B1 (en) | 2002-05-14 |
EP0910219B1 (en) | 2005-03-16 |
JPH11122624A (ja) | 1999-04-30 |
DE69829345D1 (de) | 2005-04-21 |
SG72874A1 (en) | 2000-05-23 |
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