KR101613721B1 - 2d 이미지 시퀀스들로부터 3d 장면을 재구성하기 위한방법 - Google Patents
2d 이미지 시퀀스들로부터 3d 장면을 재구성하기 위한방법 Download PDFInfo
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Claims (28)
- 장면 재구성 방법에 있어서,장면의 적어도 두 개의 전망 뷰들(perspective views)을 나타내는 상기 장면의 다수의 이미지들을 얻는 단계 - 상기 전망 뷰들은 각각 상이한 카메라 전망에서 촬영한 뷰임 -;상기 이미지들의 제 1 서브세트를 사용하여 상기 장면의 3차원(3D) 모델을 생성하는 단계 - 상기 생성하는 단계는 상기 3D 모델 내의 구별된 물체에 하나 이상의 정점들을 선택하는 단계 및 상기 정점들에 기반하여 상기 물체에 초기 메쉬를 할당하는 단계를 포함함 -;상기 초기 메쉬에 기반하여 상기 제 1 서브세트 내 상기 이미지들의 전망을 각각 계산하는 단계 - 상기 계산된 전망은 해당 이미지의 카메라 전망임 -; 및상기 계산된 전망들의 하나 이상 및 상기 이미지들의 제 2 서브세트에 기반하여 상기 모델을 정련(refining)하는 단계로서, 상기 제 2 서브세트는 상기 제 1 서브세트에 없는 적어도 하나의 이미지를 포함하는, 상기 모델을 정련하는 단계를 포함하고,상기 초기 메쉬를 할당하는 단계는 상기 물체에 대한 라이브러리를 이용하여 상기 초기 메쉬를 할당하는, 장면 재구성 방법.
- 제 1 항에 있어서,상기 다수의 이미지들의 상기 제 2 서브세트를 사용하여 상기 모델을 정련하는 단계; 및상기 정련된 모델을 사용하여 상기 장면을 정련하는 단계를 더 포함하는, 장면 재구성 방법.
- 제 1 항에 있어서,상기 제 1 서브세트는,제 1 카메라 뷰로 캡쳐된 제 1 이미지; 및제 2 카메라 뷰로 캡쳐된 제 2 이미지를 포함하고,상기 제 2 서브세트는,제 3 카메라 뷰로 캡쳐된 제 3 이미지를 포함하고, 상기 제 3 카메라 뷰는 상기 제 1 카메라 뷰와 상기 제 2 카메라 뷰 사이에 있는, 장면 재구성 방법.
- 제 1 항에 있어서, 상기 제 2 서브세트에 없는, 상기 다수의 이미지들로부터의 하나 이상의 이미지들을 상기 제 2 서브세트에 반복적으로 부가하고, 상기 제 2 서브세트를 사용하여 상기 장면을 정련하는 단계를 더 포함하는, 장면 재구성 방법.
- 제 1 항에 있어서, 상기 정련 단계는 반복되는, 장면 재구성 방법.
- 제 5 항에 있어서,상기 제 2 서브세트는 하나 이상의 반복들을 위해 향상되고(enhanced), 상기 향상은, 상기 제 2 서브세트에 없는, 상기 다수의 이미지들로부터의 하나 이상의 이미지들을 상기 제 2 서브세트에 부가하는 단계를 포함하는, 장면 재구성 방법.
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- 3차원(3D) 장면의 재구성을 위한 시스템에 있어서,상기 장면의 다수의 2차원(2D) 이미지들을 캡쳐하기 위하여 구성된 이미지 캡쳐링 수단;상기 이미지들의 제 1 서브세트와 상기 이미지들의 제 2 서브세트를 구별하기 위하여 구성되는 이미지 선택 수단; 및상기 이미지들의 제 1 서브세트로부터 상기 3D 장면의 모델을 생성하기 위하여 구성되고, 또한 상기 제 2 서브세트를 사용하여 상기 모델을 정련하기 위하여 구성되는 처리 수단을 포함하고,상기 처리 수단은 상기 3D 장면의 모델 내의 구별된 물체의 하나 이상의 정점을 선택하고, 상기 정점에 기반하여 상기 물체에 초기 메쉬를 할당하고, 상기 초기 메쉬에 기반하여 상기 3D 장면의 모델을 생성하고,상기 처리 수단은 상기 물체에 대한 라이브러리를 이용하여 상기 초기 메쉬를 할당하는, 3차원 장면 재구성 시스템.
- 제 9 항에 있어서, 상기 캡쳐링 수단은 단일의 카메라인, 3차원 장면 재구성 시스템.
- 제 9 항에 있어서, 상기 캡쳐링 수단은 2 이상의 카메라들인, 3차원 장면 재 구성 시스템.
- 제 9 항에 있어서, 상기 캡쳐링 수단은 상기 3D 장면의 다수의 전망들을 캡쳐하는, 3차원 장면 재구성 시스템.
- 제 9 항에 있어서, 사용자 입력을 획득하기 위하여 구성된 그래픽 사용자 인터페이스를 더 포함하는, 3차원 장면 재구성 시스템.
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- 장면 재구성 방법에 있어서,상기 장면의 이미지들의 제 1 서브세트로부터 상세(detail)의 제 1 레벨로 장면의 근사를 생성하는 단계 - 상기 생성하는 단계는 상기 장면 내의 구별된 물체에 하나 이상의 정점들을 선택하는 단계 및 상기 하나 이상의 정점들에 기반하여 상기 물체에 초기 메쉬를 할당하는 단계를 포함하고, 상기 초기 메쉬에 기반하여 상기 제1 레벨로 장면의 근사를 생성함 -; 및상세의 제 2 레벨을 생성하기 위하여 상기 장면의 이미지들의 제 2 서브세트로부터 상세를 부가하여 상기 근사를 정련하는 단계로서, 상기 상세의 제 2 레벨은 상기 상세의 제 1 레벨보다 많은 특징들을 가지는, 상기 근사를 정련하는 단계를 포함하고,상기 초기 메쉬를 할당하는 단계는 상기 물체에 대한 라이브러리를 이용하여 상기 초기 메쉬를 할당하는, 장면 재구성 방법.
- 제 22 항에 있어서, 상기 장면의 근사를 생성하는 단계는 하나 이상의 특징들을 정의하기 위하여 사용자로부터 입력을 얻는 단계를 포함하는, 장면 재구성 방법.
- 제 22 항에 있어서, 이미지들을 정적 영역들 및 동적 영역들로 분할하는 단계를 더 포함하는, 장면 재구성 방법.
- 제 24 항에 있어서, 상기 정적 영역들 및 상기 동적 영역들은 정적 및 동적 기하구조에 대응하는, 장면 재구성 방법.
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- 제 25 항에 있어서, 상기 정련은 윤곽부 추적(contour tracking)을 더 포함하는, 장면 재구성 방법.
- 제 22 항에 있어서, 상기 이미지들의 제 1 서브세트 및 이미지들의 제 2 서브세트는 상이한, 장면 재구성 방법.
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KR1020150121129A KR20150104073A (ko) | 2007-01-26 | 2015-08-27 | 2d 이미지 시퀀스들로부터 3d 장면을 재구성하기 위한 방법 |
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CN101246599A (zh) | 2008-08-20 |
US8655052B2 (en) | 2014-02-18 |
AU2008200277A1 (en) | 2008-08-14 |
AU2008200277B2 (en) | 2013-11-14 |
KR20150104073A (ko) | 2015-09-14 |
KR20080070579A (ko) | 2008-07-30 |
US20080181486A1 (en) | 2008-07-31 |
NZ565418A (en) | 2009-08-28 |
JP2008186456A (ja) | 2008-08-14 |
CA2618875A1 (en) | 2008-07-26 |
CA2618875C (en) | 2018-06-12 |
EP1950704A2 (en) | 2008-07-30 |
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