Dynamic optimization of a biometric sensor
First Claim
Patent Images
1. A method for adjusting offset of a biometric sensor, comprising:
- receiving image data having pixel values;
processing the pixel values to determine a bias;
determining an offset adjustment to mitigate the bias; and
adjusting the biometric sensor with the offset adjustment.
4 Assignments
0 Petitions
Accused Products
Abstract
Provided is a method for dynamic optimization of a biometric sensor. The method includes receiving image data having pixel values. The pixel values are processed to determine a bias. An offset adjustment is determined to mitigate the bias. The biometric sensor is adjusted with the offset adjustment.
68 Citations
20 Claims
-
1. A method for adjusting offset of a biometric sensor, comprising:
-
receiving image data having pixel values; processing the pixel values to determine a bias; determining an offset adjustment to mitigate the bias; and adjusting the biometric sensor with the offset adjustment. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A method for adjusting gain of a biometric sensor, comprising:
-
receiving image data having pixel values; processing the pixel values to determine a signal level; determining a gain adjustment to change the signal level; and adjusting the biometric sensor with the gain adjustment. - View Dependent Claims (9, 10, 11, 12, 13, 14)
-
-
15. A method for detecting a change in presence of an input to a biometric sensor, comprising:
-
scanning a first slice requiring a first gain with the biometric sensor; scanning a second slice requiring a second gain with the biometric sensor; determining a change in gain between the first and second gain; and producing an output indicating the change in presence of the input to the biometric sensor based on the change. - View Dependent Claims (16, 17, 18, 19, 20)
-
Specification