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Low-cost interactive active range finder
journal contribution
posted on 2003-01-01, 00:00 authored by M Takatsuka, G West, Svetha VenkateshSvetha Venkatesh, Terry CaelliTerry CaelliThis paper describes a new type of low-cost interactive active range finder and illustrates the effect of introducing interactivity to the range-acquisition process. The new range finder consists of only one camera and a laser pointer to which three LEDs are attached. When a user scans the laser, the camera captures the image of spots (one from the laser and the others from LEDs), and triangulation is carried out using the camera's viewing direction and the optical axis of the laser. The user interaction allows the range finder to acquire range data in which the sampling rate varies across the object depending on the underlying surface structures. Moreover, the processes of separating objects from the background and/or finding parts in the object can be achieved using the operator's knowledge of the objects.
History
Journal
Machine vision and applicationsVolume
14Issue
3Pagination
139 - 144Publisher
SpringerLocation
Berlin, GermanyPublisher DOI
ISSN
1432-1769eISSN
0932-8092Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2003, Springer-VerlagUsage metrics
Categories
Keywords
binocular range finderinteractive systemmonocular range finderScience & TechnologyTechnologyComputer Science, Artificial IntelligenceComputer Science, CyberneticsEngineering, Electrical & ElectronicComputer ScienceEngineeringVISIONArtificial Intelligence and Image ProcessingComputation Theory and Mathematics
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