Utilizing different color channels for rgb-image-based differential heart rate detection
AssigneeMicrosoft Corporation
InventorsJonathan Hoof, Benjamin William Walker, Beibei Cheng, Daniel Kennett
Life of this patent
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Abstract
Aspects described herein include a computer-implemented method for detecting heart rate signals. The method includes a step of capturing a first image and a second image of a region of interest. The second image is aligned with the first image in a first spectrum that is insensitive to a characteristic to obtain a correction. Then, a correction based upon the above-mentioned alignment is applied to the second image in a second spectrum that is sensitive to the characteristic. Additional aspects described an image capturing device and a computer-implemented method for updating a user-interactive activity.
Claims20
A computer-implemented method comprising:
- capturing a first image of a region of interest;
- capturing a second image of the region of interest;
- aligning the second image with the first image in a first spectrum that is not sensitive to a characteristic to obtain a correction;
- and
- applying the correction to the first or the second image in a second spectrum that is sensitive to the characteristic.
An image capture device comprising:
- an image capture component that captures at least two successive image pairs of a region of interest;
- a memory that stores the at least two successive image pairs captured by the image capture component;
- and
- a processor, operably coupled to the memory and the image capture component, the processor configured to perform the instructions of:
- identifying a first spectrum that is not sensitive to a characteristic and a second spectrum that is sensitive to the characteristic for the at least two successive image pairs, and
- measuring intensity of a heart rate based upon a computer-generated signal based on data received in the second spectrum for the at least two successive image pairs.
A computer-implemented method for updating a user-interactive activity comprising:
- receiving at least two successive image pairs for a region of interest;
- determining a heart rate signal based upon the received image pairs;
- and
- updating the user-interactive activity based upon the determined heart rate signal.
Dependencies are inferred from the claim text.