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Arun Krishnan

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AAAI Conference 1993 Conference Paper

Range Estimation From Focus Using a Non-frontal Imaging Camera

  • Arun Krishnan

This paper is concerned with active sensing of range information from focus. It describes a new type of camera whose image pla. ne is uot perpendicular to the optical a, xis as is sta. nda. rd. This special imaging geometry eliminakes t’ he usua. 1 focusing need of image plane movement. Camera. movement, which is anywa, y necessary to process large visual fields, integrakes panning, focusing, and range estimakion. Thus the two stantla. rd mechanical actions of focusing a. nd panning arc replaced by pa. nning alone. Ra. nge estimakion is done at the speed of pa. nning. ‘ An imple~nentat~ioll of the proposed camera. design is descril. wcl ant1 experiments with range estimakion are reported.

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