日本機械学会論文集 C編
Online ISSN : 1884-8354
Print ISSN : 0387-5024
広角中心窩光学系のオプティカルフローを利用した仮想円筒スクリーン内静止物体の検出
清水 創太末松 良一楊 剣鳴細野 洋
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ジャーナル フリー

1998 年 64 巻 619 号 p. 979-985

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A wide angie high distortion lens system has been developed to realize a foveated visual information optically. The lens system has several advantages in the application of the central vision and the peripheral vision, and it enables multi-purpose use based on the image from a single camera. This paper introduces a new concept of Virtual Cylindrical Screen to detect objects in the front scene, and proposes a method of monocular motion vision, based on the optical flow between the sequential images, to detect stationary objects existing inside the Virtual Cylindrical Screen. For a moving robot it is important to recognize quickly the object in the front. The comparisons between the special lens system and a pinhole camera are carried out with respect to the characteristics of the proposed method. The basic experimental results also prove that the proposed method is effective.

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