Determining relative motion as input

Input can be provided to a computing device based upon relative movement of a user or other object with respect to the device. In some embodiments, infrared radiation is used to determine measurable aspects of the eyes or other of a user. Since the human retina is a retro-reflector for certain wavel...

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Bibliographic Details
Main Author Bozarth Bradley J
Format Patent
LanguageEnglish
Published 31.01.2017
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Abstract Input can be provided to a computing device based upon relative movement of a user or other object with respect to the device. In some embodiments, infrared radiation is used to determine measurable aspects of the eyes or other of a user. Since the human retina is a retro-reflector for certain wavelengths, using two different wavelengths or two measurement angles can allow user pupils to be quickly located and measured without requiring resource-intensive analysis of full color images captured using ambient light, which can be important for portable, low power, or relatively inexpensive computing devices. Various embodiments provide differing levels of precision and design that can be used with different devices.
AbstractList Input can be provided to a computing device based upon relative movement of a user or other object with respect to the device. In some embodiments, infrared radiation is used to determine measurable aspects of the eyes or other of a user. Since the human retina is a retro-reflector for certain wavelengths, using two different wavelengths or two measurement angles can allow user pupils to be quickly located and measured without requiring resource-intensive analysis of full color images captured using ambient light, which can be important for portable, low power, or relatively inexpensive computing devices. Various embodiments provide differing levels of precision and design that can be used with different devices.
Author Bozarth Bradley J
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Snippet Input can be provided to a computing device based upon relative movement of a user or other object with respect to the device. In some embodiments, infrared...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
Title Determining relative motion as input
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