Method and apparatus for image-based color measurement using a smart phone
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jul 16, 2015
app pub date -
Aug 6, 2014
filing date -
Jan 15, 2014
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Abstract
An apparatus for assisting in measuring a color of a target includes an enclosed housing having a first aperture formed in a first end and a second aperture formed in an opposite second end and aligned concentrically with the first aperture, an array of light emitting diodes positioned inside the housing, between the first aperture and the second aperture, and an array of reference colors having known reflectance spectra, the array of reference colors being removably positioned inside the housing, between the array of light emitting diodes and the second aperture.
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