Abstract: The disclosure provides a terminal device and a cloud comparison method. The terminal device includes a storage device, a fingerprint sensor, and a fingerprint matching module. The storage device records a fingerprint template database, and the fingerprint sensor senses fingerprint data to be verified. The fingerprint matching module is coupled to the storage device and the fingerprint sensor, and compares the fingerprint data to be verified with the fingerprint template data in the fingerprint template database. In response to the fact that the fingerprint data to be verified does not match the fingerprint template data in the fingerprint template database, the terminal device uploads the fingerprint data to be verified to a server device via the network, and receives a verification result of the fingerprint data to be verified from the server device.

Abstract: A method for fingerprint comparison according to an embodiment includes acquiring a fingerprint image to be compared, performing a first-stage fingerprint comparison on the fingerprint image to be compared and an enrolled fingerprint image, determining, according to a result of the first-stage fingerprint comparison, whether to perform a second-stage fingerprint comparison on the fingerprint image to be compared and the enrolled fingerprint image, and determining, according to the result of the first-stage fingerprint comparison or a result of the second-stage fingerprint comparison, whether the comparison between the fingerprint image to be compared and the enrolled fingerprint image is successful. With the method, the fingerprint comparison speed can be improved.

Abstract: A method for fingerprint enrollment according to an embodiment includes extracting fingerprint feature points of a fingerprint image, fragmenting the fingerprint image in units of each fingerprint feature point, to obtain a feature fragment corresponding to each fingerprint feature point, and determining, according to whether the feature fragment meets an enrollment condition, whether the fingerprint enrollment is completed. Each fingerprint image can be fully utilized, so that the count of presses on the fingerprint sensor by a user of fingerprint enrollment is reduced, and the enrollment experience of the user is improved.

Abstract: A method for fingerprint authentication may include obtaining a target fingerprint region including at least one first fingerprint feature set, judging, according to the at least one first fingerprint feature set and fingerprint feature sets included in a plurality of reference fingerprint regions of a fingerprint database, whether a primary reference fingerprint region associated with the target fingerprint region is included in the fingerprint database, where the plurality of fingerprint regions are formed during fingerprint acquisition of a finger performing arc-shaped sliding on a fingerprint identifier and stored in the fingerprint database, and each of the reference fingerprint regions has a corresponding fingerprint feature, and determining, based on a judgment result, whether the target fingerprint region passes the authentication.

Abstract: A method for fingerprint enrollment according to an embodiment of the present disclosure is adapted to an electronic device including a display and a fingerprint sensor. The method includes displaying a fingerprint enrollment interface on the display, wherein the fingerprint enrollment interface includes a progress indicator, displaying, according to a swipe action of a finger detected by the fingerprint sensor, a growing progress of the progress indicator on the fingerprint enrollment interface, and displaying, in response to the fingerprint sensor detecting that the finger is not removed, the progress indicator in a growing state on the fingerprint enrollment interface to represent that fingerprint information is being collected from the swipe action. According to the method disclosed in the embodiments of the present disclosure, it is possible to guide a user to input more fingerprint information.

Abstract: The present disclosure relates to an updating method for configuration parameters of an electronic device, a device and a computer-readable medium, wherein the updating method includes: acquiring fingerprint information collected by a fingerprint sensor at the electronic device; determining whether the fingerprint information is collected in a trusted mode; acquiring, in response to determining that the fingerprint information is collected in the trusted mode, a target configuration parameter of the electronic device for anti-spoofing detection according to the fingerprint information; and updating, in response to that the target configuration parameter of the electronic device and/or a current configuration parameter of the electronic device satisfies a preset condition, the current configuration parameter of the electronic device based on the target configuration parameter of the electronic device, wherein the current configuration parameter is used by the electronic device for anti-spoofing detection of a

Abstract: A method for fingerprint authentication according to an embodiment of the present disclosure includes, in response to receiving an authentication request, performing fingerprint image acquisition and comparison of a first mode, and selectively performing fingerprint image acquisition and comparison of a second mode, and performing authentication at least based on a comparison result of the first mode. In the first mode, a fingerprint image generated by a pressing operation of a target finger in a fingerprint acquisition area is acquired, and in the second mode, a fingerprint image sequence generated by a sliding operation of the target finger in the fingerprint acquisition area is acquired. A selective fingerprint authentication security mode can be provided as needed, so as to meet various authentication requirements.

Abstract: A method for fingerprint authentication according to an embodiment of the present disclosure includes, in response to receiving an authentication request, performing fingerprint image acquisition and comparison of a first mode, and selectively performing fingerprint image acquisition and comparison of a second mode, and performing authentication at least based on a comparison result of the first mode. In the first mode, a fingerprint image generated by a pressing operation of a target finger in a fingerprint acquisition area is acquired, and in the second mode, a fingerprint image sequence generated by a sliding operation of the target finger in the fingerprint acquisition area is acquired. A selective fingerprint authentication security mode can be provided as needed, so as to meet various authentication requirements.

Abstract: The present disclosure relates to an updating method for configuration parameters of an electronic device, a device and a computer-readable medium, wherein the updating method includes: acquiring fingerprint information collected by a fingerprint sensor at the electronic device; determining whether the fingerprint information is collected in a trusted mode; acquiring, in response to determining that the fingerprint information is collected in the trusted mode, a target configuration parameter of the electronic device for anti-spoofing detection according to the fingerprint information; and updating, in response to that the target configuration parameter of the electronic device and/or a current configuration parameter of the electronic device satisfies a preset condition, the current configuration parameter of the electronic device based on the target configuration parameter of the electronic device, wherein the current configuration parameter is used by the electronic device for anti-spoofing detection of a

Abstract: A fingerprint enrollment method applied to generate a fingerprint enrollment template includes the steps of obtaining a fingerprint image; obtaining a group of features corresponding to the fingerprint image; determining whether there being temporary enrollment data; when there being no temporary enrollment data, generating temporary enrollment data according to the group of features and displaying a feature image corresponding to the group of features on a display interface; when there being temporary enrollment data, according to a relative-position relationship between the group of features and the temporary enrollment data, displaying the feature image corresponding to the group of features on the display interface, and incorporating the group of features into the temporary enrollment data; and determining whether the temporary enrollment data satisfying with an enrollment completion condition.

Abstract: An electronic device with a fingerprint sensing function and a fingerprint image processing method are provided. The electronic device includes a processor, a fingerprint sensor, and a temperature sensor. The fingerprint sensor is coupled to the processor. The fingerprint sensor is configured to obtain a current fingerprint image. The temperature sensor is coupled to the processor. The temperature sensor is configured to obtain current temperature information. The processor obtains current background noise according to the current temperature information, and removes the background noise from the current fingerprint image to generate a corrected fingerprint image.

Abstract: An electronic device for distinguishing between fingerprint feature points and non-fingerprint feature points and a method for the same are provided. A plurality of feature points are extracted from a fingerprint input image, and non-fingerprint feature points are distinguished from fingerprint feature points and deleted. Accordingly, the electronic device for distinguishing between fingerprint feature points and non-fingerprint feature points and the method for the same can prevent non-fingerprint feature points from existing in a fingerprint registration template of a user, so as to protect fingerprint recognition from being affected by non-fingerprint feature points, thereby increasing safety and accuracy of identity authentication.

Abstract: A fingerprint registration method and an electronic device using the same are provided. The fingerprint registration method includes the following steps: sequentially obtaining a plurality of swipe frames of a fingerprint by a fingerprint sensor; sequentially analyzing the swipe frames by a processor to obtain a plurality of feature points; sequentially merging the feature points of the swipe frames into pre-registration data by the processor; sequentially updating a completion area displayed on a user interface by the processor according to relative position relationships of the feature points of the swipe frames; and determining whether the pre-registration data satisfies a preset completion condition by the processor, so as to determine whether to end the fingerprint registration.

Abstract: A method for detecting finger-on or finger-off, including: detecting whether a sensing capacitance value of a sensing signal is higher than a high threshold or lower than a low threshold; and when the sensing capacitance value of the sensing signal is higher than the high threshold, determining that a finger is placed on the fingerprint sensing device and adjusting the high threshold and the low threshold according to the sensing capacitance value and a compensation value, and when the sensing capacitance value of the sensing signal is lower than the low threshold, determining that a finger is removed from the fingerprint sensing device and adjusting the high threshold and the low threshold according to the sensing capacitance value and the compensation value.

Abstract: A fingerprint recognition method adapted to an electronic device is provided. The electronic device includes a processing unit and a fingerprint sensor. The fingerprint recognition method includes steps of: obtaining a plurality of swiping frames; extracting a plurality of feature points respectively from the plurality of swiping frames to generate a plurality of pre-registered fingerprint datasets accordingly; merging the plurality of pre-registered fingerprint datasets; generating a registration template according to the merged pre-registered fingerprint datasets; obtaining a pressing frame; extracting a plurality of feature points from the pressing frame to generate a verifying fingerprint dataset; and comparing the verifying fingerprint dataset with the registration template, so as to determine whether the verifying fingerprint dataset matches the registration template. The above electronic device is also provided.

Abstract: A display method of user interface and an electronic apparatus using the same are provided. The display method of user interface is applied to fingerprint registration, and includes: sensing an object and obtaining a swiping image of the object; analyzing the swiping image to obtain a plurality of feature points of the swiping image; generating a pre-registration dataset according to the feature points, and analyzing the pre-registration dataset to obtain an image adjusting parameter; and displaying a user interface, and adjusting a range of a filled region of a reference image on the user interface according to the image adjusting parameter. Therefore, the user learns a real-time information of fingerprint registration progress when the user performs fingerprint registration in a swiping manner.

Abstract: An electronic device with a fingerprint sensing function and a fingerprint image processing method are provided. The electronic device includes a processor, a fingerprint sensor, and a temperature sensor. The fingerprint sensor is coupled to the processor. The fingerprint sensor is configured to obtain a current fingerprint image. The temperature sensor is coupled to the processor. The temperature sensor is configured to obtain current temperature information. The processor obtains current background noise according to the current temperature information, and removes the background noise from the current fingerprint image to generate a corrected fingerprint image.

Abstract: A fingerprint enrollment method applied to generate a fingerprint enrollment template includes the steps of obtaining a fingerprint image; obtaining a group of features corresponding to the fingerprint image; determining whether there being temporary enrollment data; when there being no temporary enrollment data, generating temporary enrollment data according to the group of features and displaying a feature image corresponding to the group of features on a display interface; when there being temporary enrollment data, according to a relative-position relationship between the group of features and the temporary enrollment data, displaying the feature image corresponding to the group of features on the display interface, and incorporating the group of features into the temporary enrollment data; and determining whether the temporary enrollment data satisfying with an enrollment completion condition.

Abstract: A method for determining the moving direction of a finger includes: sensing a fingerprint of the finger to generate a first frame at a first sampling time point, wherein the first frame includes a plurality of first blocks; sensing the fingerprint to generate a second frame at a second sampling time point, wherein the second frame includes a plurality of second blocks, wherein each of the second blocks corresponds to one of the first blocks; comparing each of the first blocks with its corresponding second block to obtain moving information of such second block; and determining the moving direction of the finger according to moving information of all of the second blocks.

Abstract: An electronic device and a registration template generating method are provided. The method includes: obtaining first biometric information; determining, by first software, whether the first biometric information passes verification according to the first biometric information and a first registration template; generating, by second software, a pre-enrolled dataset according to the first biometric information if the first biometric information passes verification; generating a second registration template corresponding to the second software according to the pre-enrolled dataset when an amount of data of the pre-enrolled dataset is greater than a threshold; and determining, by the second software, whether second biometric information passes verification according to the second biometric information and the second registration template when the second biometric information is obtained.