KR20000068660A - 3차원 장면 재구성 방법과 재구성 장치 및 디코딩 시스템 - Google Patents
3차원 장면 재구성 방법과 재구성 장치 및 디코딩 시스템 Download PDFInfo
- Publication number
- KR20000068660A KR20000068660A KR1019997002694A KR19997002694A KR20000068660A KR 20000068660 A KR20000068660 A KR 20000068660A KR 1019997002694 A KR1019997002694 A KR 1019997002694A KR 19997002694 A KR19997002694 A KR 19997002694A KR 20000068660 A KR20000068660 A KR 20000068660A
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- depth
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/005—Tree description, e.g. octree, quadtree
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
- G06T7/55—Depth or shape recovery from multiple images
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
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- Computer Vision & Pattern Recognition (AREA)
- Software Systems (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
- Image Generation (AREA)
Abstract
Description
Claims (5)
- N 개의 연속하는 실제 장면의 이미지에 대응하는 2차원 비디오 시퀀스로부터 3차원 장면을 재구성하는 방법에 있어서,삼각형 영역으로 분할된 상기 시퀀스의 각각의 이미지에 대해, 직렬로,(A) 각각의 장면이 연속하는 3D 시트의 프로젝션으로 간주되고, 상기 3D 시트의 깊이 맵에 대응하는 불일치 맵을 얻기 위해서 다중-장면 매칭이 각각의 장면에 대해 독립적으로 수행되는 제 1의 깊이 라벨링 단계와;(B) 3D 공간의 옥트리 구획(octree subdivision)이 수행되고 모든 3D 깊이 시트(depth sheet)의 교차점에 놓여 있는 복셀(voxels)(부피 요소)이 유지되는 제 2의 3D 모델 추출 단계를 포함하는 3차원 장면 재구성 방법.
- 제 1항에 있어서,상기 깊이 라벨링 단계는 관련된 이미지에 대한 예비 3D 깊이 시트를 제 1의 반복동안 정의하기 위해 제공되는 초기화 부단계, 및 각각의 영역의 각각의 정점(vertex)에 대해, 상기 정점에 대해 특별하게 정의된 윈도우 상의 각각의 (N-1) 쌍의 장면 사이의 상관 비용의 합에 대응하는 각각의 샘플링된 깊이에 대한 에러 벡터를 정의하고 최소 상관 비용을 제공하는 인덱스를 저장하기 위한 개선 부단계를 연속적으로 포함하고, 상기 제 1의 반복 이후에 상기 초기화 부단계를 이미지 평면 근처의 정점 맵과 파라미터에 따른 이미지 획득 장치의 위치와 시야(field of view)를 먼저 조정하고 그 다음 각각의 정점에 대해 상기 획득 장치의 광학 중심과 상기 정점을 통과하는 라인을 교차하는 복셀을 조망 방향에서 열거하며, 상기 이미지 평면에 가장 가까운 복셀을 선택하기 위한 프로젝션 부단계로 대체하기 위해 의도된 부가적인 단계를 포함하는 3차원 장면 재구성 방법.
- 제 2항에 있어서,상기 3D 모델 추출 단계는 복셀 그리드의 해상도를 정의하기 위해 제공되는 해상도 정의 부단계, 및 각각의 뷰에 대해 각각의 깊이 맵에 의해 제공되는 비어 있지 않은 공간 내부에 놓여 있는 복셀을 유지하고 그 다음 모든 비어 있지 않은 공간의 교차선에 놓여 있는 복셀만을 유지하기 위해 제공되는 복셀 선택 부단계를 포함하는 3차원 장면 재구성 방법.
- N 개의 연속하는 실제 장면의 이미지에 대응하는 2차원 비디오 시퀀스로부터 3차원 장면을 재궝하기 위한 장치에 있어서,(Ⅰ) 상기 시퀀스의 N 개의 이미지의 각각은 3각형 영역으로 분할되고;(Ⅱ) 상기 장치는, 상기 시퀀스의 각각의 이미지를 처리하기 위해,(A) 깊이 라벨링 부시스템으로서,(1) 제 1의 반복동안 각각의 (N-1) 쌍의 장면 사이의 상관 비용의 합에 대응하는 샘플링된 깊이에 대한 에러 벡터와 최소 상관 비용을 제공하는 인덱스를 정의하기 위해 제공된 초기화 장치로서, 상기 영역의 각각의 정점의 깊이 값은 이웃하는 영역에 대해 얻어진 깊이 사이의 보간에 의해 계산되는 상기 초기화 장치와;(2) 각각의 정점의 정점에 대해 이전에 범위가 정해진 윈도우 상의 에러 벡터와, 최소 상관 비용을 제공하는 인덱스를 정의하기 위해 제공되는 개선 장치를 연속하여 포함하는 상기 깊이 라벨링 부시스템과;(B) 복셀 그리드의 해상도를 선택하고, 각각의 장면에 대해, 각각의 깊이 맵에 의해 제공되는 비어 있지 않은 공간 내부에 놓여 있는 복셀과, 최종적으로, 모든 비어 있지 않은 공간의 교차선에 놓여 있는 복셀만을 유지하기 위해 제공되는 재구성 부시스템을 포함하며;(Ⅲ) 상기 깊이 라벨링 부시스템은 후속하는 반복동안 상기 초기화 장치를 대체하기 위해 의도되고 이미지 획득 장치의 시야와 위치를 조정하기 위해 제공되는 프로젝션 장치, 및 각각의 정점에 대해, 조망 방향에서 상기 획득 장치의 광학 중심과 정점을 통과하는 라인을 교차하는 복셀을 열거하고 상기 이미지 평면에 가장 가까운 복셀을 선택하기 위한, 상기 이미지 평면에 아주 근접한 정점 맵을 또한 포함하는 것을 특징으로 하는 3차원 장면 재구성 장치.
- 제 4항에 따른 재구성 장치를 포함하는 비디오 디코딩 시스템.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97401822 | 1997-07-29 | ||
| EP97401822.8 | 1997-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20000068660A true KR20000068660A (ko) | 2000-11-25 |
Family
ID=8229829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019997002694A Ceased KR20000068660A (ko) | 1997-07-29 | 1998-06-25 | 3차원 장면 재구성 방법과 재구성 장치 및 디코딩 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6351572B1 (ko) |
| EP (1) | EP0928460B1 (ko) |
| JP (1) | JP2001501348A (ko) |
| KR (1) | KR20000068660A (ko) |
| DE (1) | DE69811050T2 (ko) |
| WO (1) | WO1999006956A1 (ko) |
Cited By (4)
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| KR100601989B1 (ko) * | 2005-02-07 | 2006-07-18 | 삼성전자주식회사 | 3차원 형상 생성 장치와 방법 및 컴퓨터 프로그램을저장한 컴퓨터로 읽을 수 있는 기록매체 |
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| WO2013105783A1 (ko) * | 2012-01-11 | 2013-07-18 | 삼성전자주식회사 | 오브젝트 인식 장치, 분류 트리 학습 장치 및 그 동작 방법 |
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- 1998-06-25 KR KR1019997002694A patent/KR20000068660A/ko not_active Ceased
- 1998-06-25 JP JP11510702A patent/JP2001501348A/ja active Pending
- 1998-06-25 DE DE69811050T patent/DE69811050T2/de not_active Expired - Fee Related
- 1998-07-29 US US09/124,629 patent/US6351572B1/en not_active Expired - Fee Related
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2001
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| KR100446635B1 (ko) * | 2001-11-27 | 2004-09-04 | 삼성전자주식회사 | 깊이 이미지 기반 3차원 객체 표현 장치 및 방법 |
| KR100601989B1 (ko) * | 2005-02-07 | 2006-07-18 | 삼성전자주식회사 | 3차원 형상 생성 장치와 방법 및 컴퓨터 프로그램을저장한 컴퓨터로 읽을 수 있는 기록매체 |
| US8155386B2 (en) | 2007-10-23 | 2012-04-10 | Samsung Electronics Co., Ltd. | Method and apparatus for obtaining depth information |
| KR101327794B1 (ko) * | 2007-10-23 | 2013-11-11 | 삼성전자주식회사 | 깊이 정보 획득 방법 및 장치 |
| WO2013105783A1 (ko) * | 2012-01-11 | 2013-07-18 | 삼성전자주식회사 | 오브젝트 인식 장치, 분류 트리 학습 장치 및 그 동작 방법 |
| US9508152B2 (en) | 2012-01-11 | 2016-11-29 | Samsung Electronics Co., Ltd. | Object learning and recognition method and system |
| US10163215B2 (en) | 2012-01-11 | 2018-12-25 | Samsung Electronics Co., Ltd. | Object learning and recognition method and system |
| US10867405B2 (en) | 2012-01-11 | 2020-12-15 | Samsung Electronics Co., Ltd. | Object learning and recognition method and system |
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|---|---|
| US6661914B2 (en) | 2003-12-09 |
| US6351572B1 (en) | 2002-02-26 |
| DE69811050T2 (de) | 2003-11-06 |
| DE69811050D1 (de) | 2003-03-06 |
| EP0928460A1 (en) | 1999-07-14 |
| EP0928460B1 (en) | 2003-01-29 |
| JP2001501348A (ja) | 2001-01-30 |
| WO1999006956A1 (en) | 1999-02-11 |
| US20020110273A1 (en) | 2002-08-15 |
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