KR101134208B1 - 촬상 장치 및 그 방법 - Google Patents
촬상 장치 및 그 방법 Download PDFInfo
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Abstract
Description
Claims (21)
- 장면(scene)을 디지털식으로 촬상하는 방법으로서,복수의 포토센서를 가지는 포토센서 어레이를 사용하여 물리 초점 평면 상에 입사하는 광선을 검출하고 이에 따라 포토센서 이미지 데이터를 생성하는 단계 - 상기 복수의 포토센서는 마이크로렌즈 어레이 상에 입사하고 상기 물리 초점 평면 상의 상이한 위치들로 전달되는 장면으로부터 상기 광선을 동시에 검출함 -;상기 포토센서 이미지 데이터를 사용하여 상기 물리 초점 평면 상의 상이한 위치들에 입사하는 상기 광선의 입사각을 결정하는 단계; 및이미지의 적어도 선택된 부분이 상기 광선의 상이한 부분을 나타내는 상기 포토센서 이미지 데이터의 선택적 조합을 통해 재포커싱되도록, 상기 광선의 입사각에 기초하여 상기 포토센서 이미지 데이터를 선택적으로 결합함으로써 상기 장면에 대응하는 가상 출력 이미지를 생성하는 단계를 포함하는 디지털식 촬상 방법.
- 제1항에 있어서,상기 가상 출력 이미지를 생성하는 단계는 상기 물리 초점 평면과는 상이한 가상 초점 평면에서 적어도 일부분이 포커싱되는 이미지를 형성하는 단계를 포함하는 디지털식 촬상 방법.
- 제2항에 있어서,상기 가상 출력 이미지를 생성하는 단계는 또한,상기 물리 초점 평면과는 상이한 가상 초점 평면에서 포커싱되는 상기 이미지의 적어도 일부분을 구성하는 검출된 광선으로부터 광선들의 세트를 결정하는 단계; 및상기 가상 초점 평면에서 포커싱된 상기 출력 이미지의 일부분을 형성하기 위해 상기 결정된 광선들의 세트를 결합하는 단계를 포함하는 디지털식 촬상 방법.
- 제3항에 있어서,상기 결정된 광선들의 세트를 결합하는 단계는, 상기 광을 검출하는 데 사용된 광학계(optics)의 조건들을 교정하는 단계를 포함하는 디지털식 촬상 방법.
- 제3항에 있어서,상기 결정된 광선들의 세트를 결합하는 단계는, 렌즈 수차를 교정하는 단계를 포함하는 디지털식 촬상 방법.
- 장면의 가상 이미지를 생성하기 위한 디지털 촬상 시스템으로서 - 상기 가상 이미지는 복수의 픽셀을 가짐 -,상기 장면으로부터 복수의 광선을 포함하는 광을 검출하도록 구성된, 복수의 포토센서를 갖는 포토센서 어레이 - 입사한 상기 광의 검출에 따라 상기 각 포토센서는 광 데이터를 생성하고, 상기 포토센서 어레이는 상이한 입사각으로 물리 초점 평면의 특정 부분에 동시에 도달하는 복수의 광선들의 세트를 검출하도록 더 구성됨 -;상기 장면으로부터의 광선을 물리 초점 평면을 통해 상기 포토센서 어레이로 향하게 하도록 구성된, 물리 초점을 갖는 광학계 장치; 및상기 물리 초점 평면에 대한 각 포토센서의 위치에 의해 특징지어지는, 상기 각 포토센서에 의해 검출된 상기 광선의 입사각에 기초하여 선택된 포토센서로부터 광 데이터를 결합함으로써 상기 가상 이미지의 각 픽셀의 픽셀값을 계산하는 프로세싱 회로 - 상기 가상 이미지는 상기 물리 초점 및 물리 초점 평면과는 각각 상이한 가상 초점 및 가상 초점 평면을 가짐 -를 포함하는 디지털 촬상 시스템.
- 제6항에 있어서,상기 광학계 장치는 마이크로렌즈 어레이를 포함하고, 상기 마이크로렌즈 어레이는 복수의 마이크로렌즈를 포함하며, 상기 각 마이크로렌즈는 마이크로렌즈 상에 입사하는 광선들을 분리하고, 분리된 광선들을 상기 포토센서 어레이 내의 미리 결정된 복수의 포토센서들로 향하게 하도록 구성된, 디지털 촬상 시스템.
- 제7항에 있어서,상기 프로세싱 회로는 상기 마이크로렌즈에 대한 각 포토센서의 위치를 이용하여 각 포토센서 상의 광의 입사각을 더 결정하는 디지털 촬상 시스템.
- 제6항에 있어서,상기 프로세싱 회로는 상기 광선이 퍼져나오는(emanate) 장면 내의 피사체의 초점 심도를 결정하고, 상기 초점 심도 및 상기 입사각을 사용해서, 상기 물리 초점 평면과는 상이한 가상 초점 평면 상에 포커싱되는 상기 가상 이미지를 계산하는 디지털 촬상 시스템.
- 제6항에 있어서,상기 프로세싱 회로는,상기 광을 검출하는 각 포토센서의 위치에 의해 특징지워지는 상기 검출된 광선의 입사각을 결정하고,상기 검출된 광선의 입사각을 이용하여 시스템을 통해 검출된 광선의 경로를 매핑하도록 더 구성된,디지털 촬상 시스템.
- 제6항에 있어서,상기 광학계 장치는 복수의 마이크로 렌즈를 갖는 마이크로렌즈 어레이를 포함하고 - 상기 각 마이크로렌즈는 복수의 포토센서와 연관됨 -, 상기 광학계 장치로부터의 광선을 상기 연관된 복수의 포토센서로 향하게 하도록 구성된,디지털 촬상 시스템.
- 제6항에 있어서,상기 가상 초점 평면 상에 가상 초점을 갖는 상기 장면의 가상 이미지를 생성하기 위해, 상기 프로세싱 회로는 가상 초점 평면을 표시하는 데이터와 각 포토센서에 의해 검출된 광선의 입사각에 기초하여 선택된 포토센서로부터의 광 데이터를 결합하도록 구성된,디지털 촬상 시스템.
- 제6항에 있어서,상기 광학계 장치는 상기 장면으로부터의 광을 물리 시야 심도를 가지는 물리 초점 평면 상에 투사하도록 구성되고,상기 프로세싱 회로는, 상기 물리 시야 심도와는 상이한 선택된 가상 시야 심도를 갖는 상기 장면의 가상 이미지를 생성하기 위해, 상기 각 포토센서에 의해 검출된 광선의 선택된 가상 시야 심도 및 입사각에 기초하여, 선택된 포토센서로부터의 광 데이터를 결합함으로써 상기 장면의 가상 이미지를 생성하도록 구성된,디지털 촬상 시스템.
- 제6항에 있어서,상기 광학계 장치는 상기 장면으로부터의 광을 물리 시야 심도를 가지는 물리 초점 평면 상에 투사하도록 구성되고,상기 프로세싱 회로는, 상기 물리 시야 심도 보다 큰 선택된 가상 시야 심도를 갖는 상기 장면의 가상 이미지를 생성하기 위해, 상기 각 포토센서에 의해 검출된 광선의 선택된 가상 시야 심도 및 입사각에 기초하여, 선택된 포토센서로부터의 광 데이터를 결합함으로써 상기 장면의 가상 이미지를 생성하도록 구성된,디지털 촬상 시스템.
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US61517904P | 2004-10-01 | 2004-10-01 | |
US60/615,179 | 2004-10-01 | ||
US64749205P | 2005-01-27 | 2005-01-27 | |
US60/647,492 | 2005-01-27 | ||
PCT/US2005/035189 WO2006039486A2 (en) | 2004-10-01 | 2005-09-30 | Imaging arrangements and methods therefor |
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KR101134208B1 true KR101134208B1 (ko) | 2012-04-09 |
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US (12) | US7936392B2 (ko) |
EP (3) | EP1795004B1 (ko) |
JP (1) | JP4752031B2 (ko) |
KR (1) | KR101134208B1 (ko) |
HK (2) | HK1105334A1 (ko) |
WO (1) | WO2006039486A2 (ko) |
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FR2821533B1 (fr) * | 2001-03-01 | 2004-01-23 | Oreal | Brosse pour l'application d'un produit sur les fibres keratiniques |
US8294999B2 (en) | 2003-01-16 | 2012-10-23 | DigitalOptics Corporation International | Optics for an extended depth of field |
US7773316B2 (en) | 2003-01-16 | 2010-08-10 | Tessera International, Inc. | Optics for an extended depth of field |
KR20050107741A (ko) | 2003-01-16 | 2005-11-15 | 디-블러 테크놀로지즈 리미티드 | 이미지 인해스먼트 기능을 가진 카메라 |
US8406563B2 (en) * | 2009-07-28 | 2013-03-26 | National Taiwan University | Photometric calibration method and device |
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