Method and apparatus for determining blood oxygenation using a mobile communication device
First Claim
Patent Images
1. A method comprising:
- capturing a plurality of images of skin using an array of pixels in a camera on a portable electronic device;
comparing image characteristics corresponding to the plurality of captured images at a first wavelength with image characteristics corresponding to the plurality of captured images at a second wavelength, the second wavelength being substantially distinct from the first wavelength; and
determining blood oxygen level based on comparing the image characteristics,wherein the first wavelength is a first wavelength of visible light and wherein the second wavelength is a second wavelength of visible light.
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Abstract
A method (300) and apparatus (110) that determines blood oxygenation using a mobile communication device is disclosed. The method can include capturing (320) a plurality of images of skin using an array of pixels in a camera on a portable electronic device. The method can include comparing (330) image characteristics corresponding to the plurality of captured images at a first wavelength with image characteristics corresponding to the plurality of captured images at a second wavelength, the second wavelength being substantially distinct from the first wavelength. The method can include determining (340) blood oxygen level based on comparing the image characteristics.
20 Citations
21 Claims
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1. A method comprising:
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capturing a plurality of images of skin using an array of pixels in a camera on a portable electronic device; comparing image characteristics corresponding to the plurality of captured images at a first wavelength with image characteristics corresponding to the plurality of captured images at a second wavelength, the second wavelength being substantially distinct from the first wavelength; and determining blood oxygen level based on comparing the image characteristics, wherein the first wavelength is a first wavelength of visible light and wherein the second wavelength is a second wavelength of visible light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 21)
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14. An apparatus comprising:
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a portable electronic device housing; a selective call receiver transceiver coupled to the portable electronic device housing, the selective call receiver transceiver configured to engage in selective call receiver communications over a long distance wireless network; a camera coupled to the portable electronic device housing, the camera including an array of pixels, the camera configured to capture a plurality of images of skin using the array of pixels; a controller coupled to the camera, the controller configured to control operations of the apparatus; and a blood oxygen level determination module coupled to the controller, the blood oxygen level determination module configured to compare image characteristics corresponding to the plurality of captured images at a first wavelength of visible light with image characteristics corresponding to the plurality of captured images at a second wavelength of visible light, the second wavelength being distinct from the first wavelength, and the blood oxygen level determination module configured to determine blood oxygen level based on comparing the image characteristics. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method comprising:
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capturing a plurality of images of skin using an array of pixels in a camera on a selective call receiver device, the selective call receiver device configured to engage in selective call receiver communications over a long distance wireless network; creating a plurality of binary images from the plurality of captured images, where the plurality of binary images contain information corresponding to pixels of the plurality of captured images exceeding a threshold; comparing image characteristics corresponding to the plurality of binary images at a first wavelength with image characteristics corresponding to the plurality of binary images at a second wavelength, the second wavelength being substantially distinct from the first wavelength, where the first wavelength is a first wavelength of visible light and where the second wavelength is a second wavelength of visible light; and determining blood oxygen level based on comparing the image characteristics.
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Specification