Depth detection apparatus, imaging apparatus and depth detection method

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United States of America Patent

PATENT NO 9807297
SERIAL NO

15292158

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Abstract

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Provided is a depth detection apparatus having: a shift amount acquisition unit to acquire a provisional image shift amount; a filter processing unit to perform filter processing on one or both of the first and second signal; and a depth deriving unit to derive the depth information on an object, based on a positional shift amount between the filtered first signal and the filtered second signal. A phase term of the filter is a function generated by a second function by a coefficient, wherein the second function is generated based on a phase transfer function corresponding to the first or second pupil region and on the provisional image shift amount, and the coefficient is a real number greater than 0 and smaller than 1.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikemoto, Kiyokatsu Yokohama, JP 37 173

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