A high-resolution full-field range imaging system | Zendy

Dale A. Carnegie | Zendy; Michael J. Cree | Zendy; Adrian A. Dorrington | Zendy

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A high-resolution full-field range imaging system

Author(s) -

Dale A. Carnegie,

Michael J. Cree,

Adrian A. Dorrington

Publication year - 2005

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.1988312

Subject(s) - computer science , computer vision , field of view , laser , range (aeronautics) , resolution (logic) , obstacle , depth of field , image resolution , optics , automation , artificial intelligence , profiling (computer programming) , field (mathematics) , point cloud , point (geometry) , physics , aerospace engineering , mathematics , mechanical engineering , geometry , engineering , law , political science , pure mathematics , operating system

There exist a number of applications where the range to all objects in a field of view needs to be obtained. Specific examples include obstacle avoidance for autonomous mobile robots, process automation in assembly factories, surface profiling for shape analysis, and surveying. Ranging systems can be typically characterized as being either laser scanning systems where a laser point is sequentially scanned over a scene or a full-field acquisition where the range to every point in the image is simultaneously obtained. The former offers advantages in terms of range resolution, while the latter tend to be faster and involve no moving parts. We present a system for determining the range to any object within a camera's field of view, at the speed of a full-field system and the range resolution of some point laser scans. Initial results obtained have a centimeter range resolution for a 10 second acquisition time. Modifications to the existing system are discussed that should provide faster results with submillimeter resolution

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