2A1-R04 透明平板による屈折を利用した単眼力メラでのスケール復元が可能なStructure from Motion

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  • 2A1-R04 Single Camera Structure from Motion with Absolute Scale Using Refractive Plate

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Structure from Motion is one of the 3D measurement methods. This technique requires only a single camera, and reconstructs the objects from pictures obtained by the camera with moving. However there is an essential problem that the scale of the objects cannot be computed by Structure from Motion. In order to solve this problem, we have proposed scale-reconstructable Structure from Motion using refraction. The refractive plate is placed in front of a camera to generate the refraction. The nomal of the refractive plate is required to be the same direction of the camera axis in the previous study. This is a limitation when the camera and the refractive plate are set. In this paper, we propose the method that the plate is not required to be placed orthogonal to the optical axis of camera. Therefore the setting of a camera and a refractive plate is more flexible than previous method.

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