KR100902066B1 - 필터 커널 제수를 제한하는 방법 - Google Patents
필터 커널 제수를 제한하는 방법 Download PDFInfo
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- KR100902066B1 KR100902066B1 KR1020087015305A KR20087015305A KR100902066B1 KR 100902066 B1 KR100902066 B1 KR 100902066B1 KR 1020087015305 A KR1020087015305 A KR 1020087015305A KR 20087015305 A KR20087015305 A KR 20087015305A KR 100902066 B1 KR100902066 B1 KR 100902066B1
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Abstract
Description
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Claims (4)
- 필터 커널(filter kernel)에서 필터 커널 제수를 하드웨어 실행을 단순화하기 위한 제수 값으로 제한하는 방법에 있어서,묘사 면적에 포함된 각 입력 샘플 면적의 면적을 측정함으로써 부동 소수점 연산을 이용하는 필터 계수들에 대한 면적들을 산출하는 단계;제1 결과들을 얻기 위하여 각각의 상기 필터 계수들의 면적들을 상기 묘사 면적의 총 면적으로 나누는 단계;필터합을 생성하기 위하여 상기 제1 결과들에 상기 제수 값을 곱하는 단계;상기 제1 결과들에 상기 제수 값이 곱해진 값들의 합인 상기 필터합이 상기 제수 값이 되게하는 반올림자리를 찾기 위한 이진 검색을 완료하는 단계; 및상기 하드웨어의 용이한 연산을 위해 상기 필터합을 정수(integer)로 변환하는 단계를 포함하는 필터 커널 제수를 제한하는 방법.
- 제1항에 있어서, 상기 제수 값은 256인 것을 특징으로 하는 필터 커널 제수를 제한하는 방법.
- 제1항에 있어서, 이진 검색을 완료하는 단계는,상기 필터합을 상기 제수 값과 동일하게 하기 위하여 임의의 수를 합산하므로써 수행되는 것을 특징으로 하는 필터 커널 제수를 제한하는 방법.
- 제1항에 있어서, 이진 검색을 완료하는 단계는,상기 필터합을 상기 제수 값과 동일하게 하기 위하여 임의의 수를 감산하므로써 수행되는 것을 특징으로 하는 필터 커널 제수를 제한하는 방법.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
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US29008601P | 2001-05-09 | 2001-05-09 | |
US29008701P | 2001-05-09 | 2001-05-09 | |
US29014301P | 2001-05-09 | 2001-05-09 | |
US60/290,086 | 2001-05-09 | ||
US60/290,087 | 2001-05-09 | ||
US60/290,143 | 2001-05-09 | ||
US31305401P | 2001-08-16 | 2001-08-16 | |
US60/313,054 | 2001-08-16 | ||
US10/051,612 | 2002-01-16 | ||
US10/051,612 US7123277B2 (en) | 2001-05-09 | 2002-01-16 | Conversion of a sub-pixel format data to another sub-pixel data format |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020037014573A Division KR100888983B1 (ko) | 2001-05-09 | 2002-04-22 | 부화소 형식 데이터를 다른 부화소 데이터 형식으로 변환 |
Publications (2)
Publication Number | Publication Date |
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KR20080064913A KR20080064913A (ko) | 2008-07-09 |
KR100902066B1 true KR100902066B1 (ko) | 2009-06-09 |
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Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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KR1020037014573A KR100888983B1 (ko) | 2001-05-09 | 2002-04-22 | 부화소 형식 데이터를 다른 부화소 데이터 형식으로 변환 |
KR1020087015305A KR100902066B1 (ko) | 2001-05-09 | 2002-04-22 | 필터 커널 제수를 제한하는 방법 |
KR1020087015306A KR100878216B1 (ko) | 2001-05-09 | 2002-04-22 | 공간 샘플링 필터들을 동작하는 방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020037014573A KR100888983B1 (ko) | 2001-05-09 | 2002-04-22 | 부화소 형식 데이터를 다른 부화소 데이터 형식으로 변환 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020087015306A KR100878216B1 (ko) | 2001-05-09 | 2002-04-22 | 공간 샘플링 필터들을 동작하는 방법 |
Country Status (8)
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---|---|
US (9) | US7123277B2 (ko) |
EP (1) | EP1412939B1 (ko) |
JP (4) | JP4456332B2 (ko) |
KR (3) | KR100888983B1 (ko) |
CN (2) | CN101477793B (ko) |
AU (1) | AU2002258906A1 (ko) |
HK (1) | HK1066898A1 (ko) |
WO (1) | WO2002091349A1 (ko) |
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