A display method, an electronic device, and a computer-readable storage medium are provided. The method includes: determining a current application scenario in a case that an input of triggering display of a fingerprint icon is received; determining a target light spot based on a target parameter of the application scenario, where target light spots corresponding to different target parameters have different proportions of a red light component, different proportions of a green light component, and different proportions of a blue light component; and displaying a fingerprint icon formed by the target light spot.

An apparatus for capturing an image of an object on a platen and including a platen having a surface for receiving the object, wherein the platen is transmissive to an optical wavelength of light, an illumination module configured to illuminate at least a portion of the object with light from an illumination source, and an optical sensing module configured to receive the light from the illumination source after the light interacts with the at least a portion of the object. The light from the illumination source is spatially patterned prior to reaching the object. The illumination module can be configured to create the spatially patterned illumination and/or the platen may include a patterned optical coating creating the spatially patterned illumination. The spatially patterned illumination can include a plurality of discrete areas (e.g., a stepped pattern) of different illumination intensity and/or a gradient of different illumination intensity.

Technologies are presented herein in support of a system and method for performing fingerprint recognition. Embodiments of the present invention concern a system and method for capturing a user's biometric features and generating an identifier characterizing the user's biometric features using a mobile device such as a smartphone. The biometric identifier is generated using imagery captured of a plurality of fingers of a user for the purposes of authenticating/identifying the user according to the captured biometrics and determining the user's liveness. The present disclosure also describes additional techniques for preventing erroneous authentication caused by spoofing. In some examples, the anti-spoofing techniques may include capturing one or more images of a user's fingers and analyzing the captured images for indications of liveness.

Embodiments of the present disclosure relate to vehicle technologies, and disclose a method and system for controlling a vehicle, and a fingerprint chip. The method comprises: collecting a fingerprint image of a user; authenticating the user according to the fingerprint image and acquiring identity information of the user after the authentication succeeds; acquiring a vehicle personalization parameter of the user according to the identity information of the user and setting up the vehicle according to the vehicle personalization parameter. The embodiments further provide a vehicle control system and a fingerprint chip. The technical solutions provided by the embodiments of the present disclosure can allow simple and quick personalized settings of a vehicle based on identity recognition, which can facilitate sharing a vehicle among family members in most cases.

In a method for determining whether a finger is a real finger at an ultrasonic fingerprint sensor, a first image of a fingerprint pattern is captured at an ultrasonic fingerprint sensor, wherein the first image is based on ultrasonic signals corresponding to a first time of flight range. A second image of the fingerprint pattern is captured at the ultrasonic fingerprint sensor, wherein the second image is based on ultrasonic signals corresponding to a second time of flight range, the second time of flight range being delayed compared to the first time of flight range. A difference in a width of ridges of the fingerprint pattern in the first image compared to the width of ridges of the fingerprint pattern in the second image is quantified. Based on the quantification of the difference, a probability whether the finger is a real finger is determined.

An imaging device includes: an imaging portion that captures an image of a portion of a living body to take in the image; a display portion that displays first and second display images with being superimposed on each other, the first display image being based on the taken-in image, the second display image including guidance regarding a way to place the portion of the living body in a prescribed position; a determination portion that determines whether the portion of the living body is placed in the prescribed position; and a control portion that, until it is determined that the portion of the living body is placed in the prescribed position, causes the imaging portion to newly capture and take in a new image of the portion of the living body and causes the display portion to display an image based on the new taken-in image.

A biometric authentication system is a biometric authentication system having a detection device and an authentication device performing personal authentication. The detection device has a plurality of sensor elements, a plurality of gate lines and a plurality of signal lines provided in correspondence with the sensor elements, and gate line drive circuit scanning the gate lines.

Methods, systems, and apparatus for operations for performing a biometric recognition attack test on a biometric recognition device. An example method includes obtaining a biometric feature object for performing the biometric recognition attack on the biometric recognition device; Perform the biometric recognition attack test on the biometric recognition device, comprising: controlling a mechanical arm to place the biometric feature object in a recognition area of the biometric recognition device; and controlling the mechanical arm to press the biometric feature object to the biometric recognition device to trigger the biometric feature object to input the biometric features in the feature attachment part into the biometric recognition device through the conductive part; obtaining an attack test result corresponding to the biometric feature object; and determining a test result of the biometric recognition attack test performed on the biometric recognition device.

A fingerprint identification method and device, a storage medium and a terminal are provided. The method includes: when a touch sensing unit senses a touch signal after a screen is touched by a fingerprint to be identified, a control unit sending a display drive signal to a display unit to light pixels of one or more discrete point light source regions in the display unit; and a photoelectric sensing unit receiving a scattered light signal formed by light from the pixels reaching a physiological tissue of a finger having the fingerprint to be identified, and a total reflection light signal formed by light from the pixels reaching the screen. True or false fingers may be easily identified and determined, which enhances security and reliability of a fingerprint identification system, and also ensures and improves quality of fingerprint imaging.

An electronic sensing device includes a display having a display surface and a plurality of micro light emitters configured to emit light for forming a display image on the display surface. A plurality of micro photodetectors is configured to detect light conditions at the display surface. A transceiver circuit is configured to drive the micro light emitters to emit light, drive the micro photodetectors to detect light and generate photo signals based on the detected light, coordinate the driving of the micro light emitters and of the micro photodetectors, and process the photo signals according to at least one of a list of sensing modes. The plurality of micro light emitters and the plurality of micro photodetectors are arranged on a surface of a display substrate.