Input device and detection method

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United States of America Patent

PATENT NO 9874938
SERIAL NO

14887817

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Abstract

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An input device includes: a memory configured to store a length of a finger; and a processor configured to obtain a depth image that includes a hand and has pixel values corresponding to a distance from a camera to subjects including the hand, detect a hand area that corresponds to the hand from among the subjects, from the depth image, identify a tip end of the hand area and a base of the finger, identify a first three-dimensional position that corresponds to the tip end and a second three-dimensional position that corresponds to the base, based on the pixel values of the depth image, identify a direction from the second three-dimensional position to the first three-dimensional position, calculate a third three-dimensional position that corresponds to a fingertip of the finger based on the direction and the length, and generate an input signal according to the third three-dimensional position.

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Patent Owner(s)

Patent OwnerAddress
FUJITSU LIMITEDKANAGAWA 211-8588

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murase, Taichi Kawasaki, JP 34 252

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  • 2 Citation Count
  • G06T Class
  • 22.86 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2246476526853201 - 1011 - 2021 - 3031 - 4041 - 5051 - 60100 +050100150200250300350400450500550600650700

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