Abstract: Color quantification of chemical test pads and titration of analytes can be performed under different lighting conditions. In one embodiment, the lighting condition is estimated under which a digital image is captured and utilized to select a set of reference colors from which the quantified color is compared to determine the titration. In another embodiment, a plurality of comparisons are made with different lighting conditions with the result having the highest confidence level being selected to determine the titration.
Type:
Grant
Filed:
February 29, 2016
Date of Patent:
April 23, 2019
Assignee:
Scanadu Incorporated
Inventors:
Bernard Burg, Martin Zizi, Aaron Alexander Rowe, Anthony Smart, Walter De Brouwer
Abstract: In one embodiment of the invention, an interactive vital signs scanning method is disclosed including concurrently scanning for a plurality of vital signs with a portable vital signs scanner; detecting movement of the portable vital signs scanner during the scanning for the plurality of vital signs; and determining a measure of quality of the scanning for the plurality of vital signs with the portable vital signs scanner. In another embodiment, a method of improving the quality of vital signs data is disclosed including concurrently sensing data from a plurality of vital signs sensors over a period of time with a portable vital signs scanner; determining a plurality of vital sign values for a respective plurality of vital signs in response to the sensed data from the plurality of vital signs sensors over the period of time; and fusing at least two vital sign values of the plurality of vital sign values for the respective plurality of vital signs.
Type:
Grant
Filed:
May 30, 2014
Date of Patent:
December 4, 2018
Assignee:
Scanadu Incorporated
Inventors:
Wenyi Zhao, Brandon Dennis Woolsey, Walter De Brouwer, Eron Anthony Villarreal, Whitney Morgan McGowan, Martin Zizi
Abstract: In accordance with one embodiment, a method for a health scanning system is disclosed. The method includes receiving at least one electrical physiological data signal (PDS); suppressing a Direct Current (DC) signal component of the PDS to emphasize the Alternating Current (AC) signal component of the PDS; isolating the signal noise in the AC signal component of the PDS; and extracting a noise signature from the signal noise in the PDS. The noise signature, after calibration, can be used to uniquely identify a known user from other users.
Abstract: Methods and electronic devices for performing color-based reaction testing of biological materials. The method includes capturing and interpreting digital images of an unexposed and later exposed paddle at various delay times within an automatically calibrated environment. The test paddle includes a unique identification mechanism (UID), a Reference Color Bar (RCB) providing samples of standardized colors for image color calibration, compensation and corrections, and several test-specific sequences of Chemical Test Pads (CTP). The method further includes locating the paddle in the image, extracting the UID and validating the paddle, extracting the RCB and locating the plurality of CTP in each image. The method further reduces image noise in the CTP and calibrates the image automatically according to lighting measurements performed on the RCB.
Type:
Grant
Filed:
March 26, 2016
Date of Patent:
March 28, 2017
Assignee:
Scanadu Incorporated
Inventors:
Bernard Burg, Martin Zizi, Aaron Alexander Rowe, Anthony Smart, Walter De Brouwer
Abstract: Methods and electronic devices for performing color-based reaction testing of biological materials. The method includes capturing and interpreting digital images of an unexposed and later exposed paddle at various delay times within an automatically calibrated environment. The test paddle includes a unique identification mechanism (UID), a Reference Color Bar (RCB) providing samples of standardized colors for image color calibration, compensation and corrections, and several test-specific sequences of Chemical Test Pads (CTP). The method further includes locating the paddle in the image, extracting the UID and validating the paddle, extracting the RCB and locating the plurality of CTP in each image. The method further reduces image noise in the CTP and calibrates the image automatically according to lighting measurements performed on the RCB.
Type:
Grant
Filed:
April 5, 2013
Date of Patent:
April 12, 2016
Assignee:
Scanadu Incorporated
Inventors:
Bernard Burg, Martin Zizi, Aaron Alexander Rowe, Anthony Smart, Walter De Brouwer
Abstract: Color quantification of chemical test pads and titration of analytes can be performed under different lighting conditions. In one embodiment, the lighting condition is estimated under which a digital image is captured and utilized to select a set of reference colors from which the quantified color is compared to determine the titration. In another embodiment, a plurality of comparisons are made with different lighting conditions with the result having the highest confidence level being selected to determine the titration.
Type:
Grant
Filed:
February 27, 2015
Date of Patent:
March 15, 2016
Assignee:
Scanadu Incorporated
Inventors:
Bernard Burg, Martin Zizi, Aaron Alexander Rowe, Anthony Smart, Walter De Brouwer