11 September 2008 Space imaging infrared optical guidance for autonomous ground vehicle
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Abstract
We have developed the Space Imaging Infrared Optical Guidance for Autonomous Ground Vehicle based on the uncooled infrared camera and focusing technique to detect the objects to be evaded and to set the drive path. For this purpose we made servomotor drive system to control the focus function of the infrared camera lens. To determine the best focus position we use the auto focus image processing of Daubechies wavelet transform technique with 4 terms. From the determined best focus position we transformed it to the distance of the object. We made the aluminum frame ground vehicle to mount the auto focus infrared unit. Its size is 900mm long and 800mm wide. This vehicle mounted Ackerman front steering system and the rear motor drive system. To confirm the guidance ability of the Space Imaging Infrared Optical Guidance for Autonomous Ground Vehicle we had the experiments for the detection ability of the infrared auto focus unit to the actual car on the road and the roadside wall. As a result the auto focus image processing based on the Daubechies wavelet transform technique detects the best focus image clearly and give the depth of the object from the infrared camera unit.
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Akira Akiyama, Akira Akiyama, Nobuaki Kobayashi, Nobuaki Kobayashi, Eiichiro Mutoh, Eiichiro Mutoh, Hideo Kumagai, Hideo Kumagai, Hirofumi Yamada, Hirofumi Yamada, Hiromitsu Ishii, Hiromitsu Ishii, } "Space imaging infrared optical guidance for autonomous ground vehicle", Proc. SPIE 7061, Novel Optical Systems Design and Optimization XI, 70610K (11 September 2008); doi: 10.1117/12.794345; https://doi.org/10.1117/12.794345
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