Method for dynamically calibrating a fingerprint sensor
A fingerprint sensor and dynamic calibration technology, applied in the direction of acquiring/arranging fingerprints/palmprints, instruments, characters and pattern recognition, etc., can solve problems such as poor image quality, invalid calibration data, etc., to improve image contrast and reduce noise interference , Optimize the effect of image capture
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[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0047] Such as figure 1 A method for dynamic calibration of a fingerprint sensor shown includes the following steps:
[0048] S101 uses the default hardware parameters to switch the fingerprint sensor to the initial working state, and changes the range of the semaphore through the default hardware parameters;
[0049] S102 counts the semaphore a...
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