KR101619076B1 - 모바일 플랫폼의 동적 물체 검출 및 추적 방법 - Google Patents
모바일 플랫폼의 동적 물체 검출 및 추적 방법 Download PDFInfo
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- KR101619076B1 KR101619076B1 KR1020090078456A KR20090078456A KR101619076B1 KR 101619076 B1 KR101619076 B1 KR 101619076B1 KR 1020090078456 A KR1020090078456 A KR 1020090078456A KR 20090078456 A KR20090078456 A KR 20090078456A KR 101619076 B1 KR101619076 B1 KR 101619076B1
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- 238000005259 measurement Methods 0.000 description 4
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- 230000004807 localization Effects 0.000 description 3
- 238000013178 mathematical model Methods 0.000 description 3
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- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/277—Analysis of motion involving stochastic approaches, e.g. using Kalman filters
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0242—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using non-visible light signals, e.g. IR or UV signals
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0268—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means
- G05D1/0274—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means using mapping information stored in a memory device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
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- G06T2207/00—Indexing scheme for image analysis or image enhancement
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- G06T2207/30—Subject of image; Context of image processing
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- G06T2207/30252—Vehicle exterior; Vicinity of vehicle
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Abstract
Description
Claims (10)
- 모바일 플랫폼이 이동하는 환경의 3차원 영상을 획득하고;상기 3차원 영상에서 바닥 평면을 추출하여 제거하고;상기 바닥 평면이 제거된 3차원 영상에서 각각의 물체를 분리하고;상기 분리된 각각의 물체의 운동상태를 추정하고;일정 조건이 만족될 때 상기 분리된 각각의 물체를 정식 동적 물체로 등록하되,상기 일정 조건은 공분산 값이 일정 임계값보다 작은 경우인 모바일 플랫폼의 동적 물체 검출 및 추적 방법.
- 제1항에 있어서,상기 3차원 영상에서 바닥 평면을 추출하여 제거하는 것은,RANSAC 알고리즘을 이용하는 모바일 플랫폼의 동적 물체 검출 및 추적 방법.
- 제1항에 있어서,상기 모바일 플랫폼이 획득한 3차원 영상은 TOF 센서로부터 얻은 깊이 지도(depth map)인 모바일 플랫폼의 동적 물체 검출 및 추적 방법.
- 제3항에 있어서,상기 3차원 영상에서 바닥 평면을 추출하여 제거하는 것은,상기 TOF 센서로부터 얻은 깊이 지도(depth map)의 픽셀 정보를 각각의 데이터로 하여 RANSAC 알고리즘을 수행하는 모바일 플랫폼의 동적 물체 검출 및 추적 방법.
- 제3항에 있어서,상기 바닥 평면이 제거된 3차원 영상에서 각각의 물체를 분리하는 것은,블럽(blob) 알고리즘을 이용하는 것을 특징으로 하는 모바일 플랫폼의 동적 물체 검출 및 추적 방법.
- 제3항에 있어서,결합 확률 데이터 연관 필터(JPDAF)를 이용하여 상기 분리된 각각의 물체의 운동상태를 추정하는 모바일 플랫폼의 동적 물체 검출 및 추적 방법.
- 제6항에 있어서,상기 결합 확률 데이터 연관 필터(JPDAF)로 상기 분리된 각각의 물체의 운동상태를 추정한 결과 동적 물체라고 판단된 경우 상기 일정 조건을 만족하면 정식 동적 물체로 등록하는 모바일 플랫폼의 동적 물체 검출 및 추적 방법.
- 삭제
- 제7항에 있어서,상기 등록된 정식 동적 물체의 위치 또는 속도를 추정하여 상기 동적 물체를 추적하는 모바일 플랫폼의 물체 검출 및 추적 방법.
- 제9항에 있어서,상기 추정된 등록된 정식 동적 물체의 위치 또는 속도를 이용하여 상기 모바일 플랫폼이 상기 등록된 정식 동적 물체를 회피할 수 있는 주행 경로를 계획하는 것을 더 포함하는 모바일 플랫폼의 물체 검출 및 추적 방법.
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KR1020090078456A KR101619076B1 (ko) | 2009-08-25 | 2009-08-25 | 모바일 플랫폼의 동적 물체 검출 및 추적 방법 |
US12/857,076 US8649557B2 (en) | 2009-08-25 | 2010-08-16 | Method of mobile platform detecting and tracking dynamic objects and computer-readable medium thereof |
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