Passive image depth sensing for object verification based on chromatic differentiation

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United States of America Patent

PATENT NO 11741748
SERIAL NO

17373794

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Abstract

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Techniques are described for passive three-dimensional (3D) image sensing based on chromatic differentiation for use in object verification. For example, multiple sub-images correspond to 3D feature regions of an object. The sub-images can be analyzed to obtain respective sets of feature depth measurements (e.g., depth, textural signatures, etc.) based on multiple differentiated chromatic components of raw image sensor data captured from the object. A verification signal can be output as a function of comparing the respective sets of feature depth measurements from the plurality of characteristic sub-images to previously stored feature depth expectations, such that the verification signal indicates whether an identity of the object is verified and/or whether the object is a spoof.

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Patent Owner(s)

  • SHENZHEN GOODIX TECHNOLOGY CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
He, Yi San Diego, US 291 3322
Pi, Bo San Diego, US 149 2835

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