Abstract: The present disclosure relates to systems, methods, and non-transitory computer readable media that implement an inpainting framework having computer-implemented machine learning models to generate high-resolution inpainting results. For instance, in one or more embodiments, the disclosed systems generate an inpainted digital image utilizing a deep inpainting neural network from a digital image having a replacement region. The disclosed systems further generate, utilizing a visual guide algorithm, at least one deep visual guide from the inpainted digital image. Using a patch match model and the at least one deep visual guide, the disclosed systems generate a plurality of modified digital images from the digital image by replacing the region of pixels of the digital image with replacement pixels. Additionally, the disclosed systems select, utilizing an inpainting curation model, a modified digital image from the plurality of modified digital images to provide to a client device.

Abstract: An array substrate, a display panel and a display apparatus are provided. An array substrate includes: a first display region including M display sub-regions arranged in an array, each display sub-region including first pixel units arranged in an array, and each first pixel unit including first pixels with N colors, where M is a natural number greater than 1 and N is a natural number; and a second display region adjacent to the first display region and having a light transmittance less than that of the first display region, where the first pixels with a same color in a same display sub-region are connected to a common first pixel circuit located in the second display region; and first pixel circuits for the first pixels with a same color in two display sub-regions adjacent to a central axis of the first display region are symmetrical with respect to the central axis.

Abstract: An artificial intelligence (AI)-based face recognition method includes: obtaining n groups of input video frames, at least one group of video frames including a color video frame and a depth video frame of a target face, n being a positive integer; invoking an interactive liveness detection function to recognize the color video frames in the n groups of video frames; invoking a second three-dimensional (3D) structured-light liveness detection function to recognize the depth video frames in the n groups of video frames; and determining, in response to both detection results of the interactive liveness detection function and the 3D structured-light liveness detection function indicating that a type of the target face being a liveness type, that the target face is a live target face.

Abstract: A biometric input system for an electronic device is provided. The biometric input system may be a fingerprint sensing system. The biometric input system includes a biometric sensing component, which may be a capacitive sensing component. The biometric input system also includes a composite cover element, which may be a dielectric cap or coating, and the biometric sensing component is capable of receiving a biometric input from a user through the composite cover element. Electronic devices including the biometric input system are also provided.

Abstract: The present disclosure relates to a system and method implemented for lowering the number of fingerprints of fragments of a file added to the digital fingerprint library using a winnowing window method. The digital fingerprint library stores fingerprints of fragments of files matching certain criteria, e.g., containing protected information. When an unknown file is examined, that library is used to compare fingerprints of fragments of size N from the unknown file to the fingerprints stored in the library. The method automatically determines criteria for adding fingerprints to the digital fingerprint library or skipping them.

Abstract: Provided in the present disclosure are a backlight module and a display device. The backlight module includes: a first light guide plate, including: a first surface, a second surface, and a first side surface, where the second surface includes a plurality of first mesh points arranged in arrays; at least one first light source, adjacent to the first side surface; a first reverse prism, located on a side of the first surface away from the second surface; a first privacy filter, located on a side of the first reverse prism away from the first light guide plate; a second light guide plate, located on a side of the first privacy filter away from the first reverse prism, and including: a third surface and a fourth surface that are opposite, and a second side surface connecting the third surface and the fourth surface.

Abstract: A reduction in concentration due to a change in an emotion is inhibited. A change in an emotion of the human is suitably reduced. Part (in particular, an eye or an eye and its vicinity) or the whole of a user's face is detected, a feature of the user's face is extracted from data on the detected part or whole of the face, and an emotion of the user is estimated from the extracted feature of the face. In the case where the estimated emotion is an emotion that might reduce concentration, for example, a stimulus is applied to the sense of sight, the sense of hearing, the sense of touch, the sense of smell, or the like of the user to recover the concentration of the user.

Abstract: The embodiments of the present disclosure provide a biometric detection sensor and a signal processing method thereof. The biometric detection sensor includes an array of detection pixels, the signal processing method includes: acquiring a first detection signal of each detection pixel in the array of detection pixels; for each detection pixel of at least part of detection pixels, processing the first detection signal of the detection pixel based on a reference signal to obtain a detection processing signal of the detection pixel, wherein a resolution of the detection processing signal is lower than that of the first detection signal; and outputting the detection processing signals of the at least part of detection pixels in the array of detection pixels, wherein the detection processing signals are used for biometric identification. The signal processing method can effectively reduce the amount of data for the processor to receive and process during biometric identification.

Abstract: A cryptographic proxy service may be provided. Upon determining that data associated with a network destination comprises at least some sensitive data, a cryptographic service may provide a security certificate associated with the network destination. The plurality of data may be encrypted according to the security certificate associated with the network destination and provided to the cryptographic service for re-encryption and transmission to the network destination.

Abstract: A dashboard device including a device body, a functional interface layer, and an ultrasonic fingerprint identification assembly is disclosed. The functional interface layer is disposed on the device body. The ultrasonic fingerprint identification assembly is disposed on the device body and covered by the functional interface layer. In addition, a mobile carrier and an authentication method for the mobile carrier are also disclosed.

Abstract: In some examples, a surface, such as a desktop, in front or around a portable electronic device may be used as a relatively large surface for interacting with the portable electronic device, which typically has a small display screen. A user may write or draw on the surface using any object such as a finger, pen, or stylus. The surface may also be used to simulate a partial or full size keyboard. The use of a camera to sense the three-dimensional (3D) location or motion of the object may enable use of above-the-surface gestures, entry of directionality, and capture of real objects into a document being processed or stored by the electronic device. One or more objects may be used to manipulate elements displayed by the portable electronic device.

Abstract: The present invention is directed to a computer-implemented system for secure storage and transfer of digital data between users, based on a blockchain-like protocol, and to a computer-implemented method employing said computer system.

Abstract: A method for driving a display device is performed by the display device. The method includes: displaying a first image including user convenience information through a display panel; generating sensing data corresponding to a fingerprint sensing area by using a photoelectric sensor; and determining whether a sensed fingerprint corresponding to the sensing data is a fake fingerprint by comparing expected sensing light illuminance information based on the first image with sensed light illuminance information of the sensing data. The first image includes a first color pattern in the fingerprint sensing area of the display panel. A fake-determination image pattern includes the first color pattern and a second color pattern different from the first color pattern.

Abstract: This fingerprint registration method by a user terminal device includes: capturing an image of a fingertip by a camera provided to the user terminal device; generating and displaying an enlarged image obtained by enlarging a fingertip image that includes the captured fingertip; receiving a user operation whether or not the fingertip image is to be registered for fingerprint authentication on the basis of the enlarged image; and transmitting, to an external server as fingerprint data, the fingertip image on which registration operation has been performed through the user operation.

Abstract: The present disclosure relates to a display device, a display panel and a method of manufacturing the same, and relates to display technology. The display panel of the present disclosure includes a driving backplane, a first planarization layer, a second planarization layer, light-emitting devices and photoelectric sensing devices. The first planarization layer is provided on one side of the driving backplane. The second planarization layer is provided on a surface of the first planarization layer distal to the driving backplane, and the second planarization layer is provided with sensing holes. The light-emitting devices are provided on a surface of the second planarization layer distal to the driving backplane and are located outside the sensing holes. The photoelectric sensing devices are provided on a surface of the second planarization layer distal to the driving backplane, and each of the photoelectric sensing devices is at least partially located inside the sensing hole.

Abstract: A fingerprint sensor comprising a plurality of sensing elements distributed across a rectangular sensing area with mutually opposite short sides and mutually opposite long sides, the sensing elements being arranged in a plurality of rows and a plurality of columns; readout circuitry arranged in a readout area located adjacent to a short side of the sensing area; and a plurality of readout lines for connecting each of the sensing elements to the readout circuitry, the readout lines in the plurality of readout lines extending in parallel to the long sides of the sensing area. For each column of sensing elements in the plurality of columns, at least a first sensing element and a second sensing element in the column are simultaneously connectable to the readout circuitry via a first readout line and a second readout line, respectively, in the plurality of readout lines.

Abstract: A method may involve obtaining a latent fingerprint on a surface, storing the latent fingerprint, obtaining a live fingerprint on the surface, and authenticating the live fingerprint based in part on the stored latent fingerprint and in part on previously-authenticated fingerprint data. The method may involve rejecting authentication of the live fingerprint as a potential spoof, if the live fingerprint matches the latent fingerprint under a relatively strict correlation test. The method may also involve, when the live fingerprint doesn't closely match the latent fingerprint, granting authentication of the live fingerprint if the live fingerprint matches the previously-authenticated fingerprint data under a relatively loose correlation test.

Abstract: The present invention improves efficiency of operator's work by automating template registration of an unregistered transmission apparatus. A transmission apparatus recognition apparatus includes a receiving unit, a recognition unit, and a template feature registration unit. The receiving unit receives a signal wirelessly transmitted from a transmission apparatus. The recognition unit calculates a degree of similarity between a sample feature generated from a received signal received by the receiving unit and template features registered in advance, compares the degree of similarity with recognition threshold value, and thereby recognizes the transmission apparatus. The template feature registration unit generates a template feature from a sample feature that failed to be recognized by the recognition unit.

Abstract: Some disclosed methods involve controlling a fingerprint sensor system to scan a portion of a user's digit and obtaining fingerprint image data corresponding to the portion of the user's digit. Some such methods involve obtaining defect data identifying one or more defective areas corresponding to an active fingerprint sensor area and determining whether the defect data indicates one or more defective areas corresponding to a touched portion of the active fingerprint sensor area from which the fingerprint image data were obtained. Some such methods involve determining, responsive to determining that the defect data indicates one or more defective areas corresponding to the touched portion, whether fingerprint image data corresponding to the one or more defective areas can be rectified and, responsive to determining that the fingerprint image data can be rectified, rectifying the fingerprint image data corresponding to the one or more defective areas.

Abstract: Some disclosed methods involve obtaining current A-line data corresponding to reflections of ultrasonic waves from a target object detected by a single receiver pixel, obtaining current ultrasonic fingerprint image data corresponding to reflections of ultrasonic waves from a target object surface, obtaining previously-obtained A-line data that was previously obtained from an authorized user, and obtaining previously-obtained ultrasonic fingerprint image data that was previously obtained from the authorized user. Some disclosed methods involve estimating, based at least in part on the current A-line data, the previously-obtained A-line data, the current ultrasonic fingerprint image data and the previously-obtained ultrasonic fingerprint image data, whether the target object is a finger of the authorized user. The estimation may involve an anti-spoofing process based at least in part on the current A-line data and the previously-obtained A-line data.

Abstract: Aspects of this disclosure relate to a biometric sensing device that combines sensing with an actuator for two way communication between a finger on a surface and the device. The sensor can also function as an actuator. A finger can be authenticated based on an image of the finger generated by the sensor and also based on a response to energy delivered to the finger by the actuator. Two way communication can provide more robust authentication than fingerprint sensing alone.

Abstract: A display substrate includes a substrate, a plurality of photosensitive sensors disposed on a side of the substrate, and a first light guide layer disposed on a side of the plurality of photosensitive sensors away from the substrate. A material of the first light guide layer includes a light-shielding material. The first light guide layer is provided with a plurality of first through holes, and an orthographic projection of at least one first through hole on the substrate is located within a range of an orthographic projection of a photosensitive sensor of the plurality of first through holes on the substrate.

Abstract: A storage device is configured to be connected to a host device via a physical cable which includes a power line and a data line. The storage device includes a non-volatile memory, a data path controller configured to temporarily deactivate the data line while power is supplied from the host device via the power line, and a memory controller. The memory controller includes a biometric module configured to receive biometric data and perform user authentication based on the biometric data; a biometric processing circuit configured to change a state of the memory controller, based on a result of the user authentication; and a data processing circuit configured to encrypt and decrypt data. The data path controller is configured to temporarily deactivate the data line in response to the changed state of the memory controller.

Abstract: To provide a highly secure electronic device. The electronic device includes a control portion, a detection portion, and a memory portion. The detection portion has a function of detecting touch operation and a function of obtaining first finger data on a touching finger. The memory portion has a function of retaining second finger data registered in advance. The control portion has functions of comparing the first finger data with the second finger data and executing predetermined processing when these data match. The first finger data includes first fingerprint data and first positional data, and the second finger data includes second fingerprint data and second positional data.

Abstract: There is provided a finger detection device including a light source, a light sensor and a processor. The light sensor respectively captures a first image frame and a second image frame corresponding to turning on and turning off the light source. The processor calculates a differential image frame of the first image frame and the second image frame, determines a covered region in the differential image frame and identifies whether the covered region is a finger region or not. If the covered region is not the finger region, the processor controls the light sensor to acquire new image frames. If the covered region is the finger region, the processor determines different windows of interest in the finger region.

Abstract: A fingerprint verification method and apparatus is disclosed. The fingerprint verification method may include obtaining an input fingerprint image, determining a matching region between the input fingerprint image and a registered fingerprint image, determining a similarity corresponding to the matching region, representing a determined indication of similarities between the input fingerprint image and the registered fingerprint image, relating the determined similarity to the matching region as represented in a matching region-based similarity, determining a result of a verification of the input fingerprint image based on the matching region-based similarity, and indicating the result of the verification.

Abstract: A capacitive fingerprint identification apparatus, a preparation method and an electronic device can improve the performance of a capacitive fingerprint apparatus and the users' using experience. The capacitive fingerprint identification apparatus is configured to be provided on an arc-shaped surface of the electronic device, including: a capacitive fingerprint identification package structure; an arc surface structure, including a first surface and a second surface, where the first surface of the arc surface structure is a plane, the second surface of the arc surface structure is an arc surface. Setting the arc surface structure on the capacitive fingerprint identification apparatus can not only make itself and the electronic device where it is located more aesthetical in appearance and have a more three-dimensional sense, but also protect the electronic device when the electronic device is dropped, so the influence on the capacitive fingerprint identification apparatus is small.

Abstract: An electronic device includes a memory storing a plurality of fingerprint reference data files. One or more sensors identify whether a mechanical support condition of the electronic device is a hand supported condition or a surface supported condition. A fingerprint sensor receives fingerprint data. One or more processors select a prioritized fingerprint data reference file from the plurality of fingerprint reference data files as a function of the mechanical support condition and authenticate an authorized user of the electronic device by comparing the fingerprint data to the prioritized fingerprint data reference file before comparing the fingerprint data to another fingerprint reference data file of the plurality of fingerprint reference data files. The fingerprint sensor can be situated on a minor surface of the electronic device, on a rear major surface in a central location, on the rear major surface in an edge location, or in other locations.

Abstract: A wearable key device is to be used while being worn on a predetermined position of a body and includes a ring communication module, an imaging device, and a ring controller. The ring communication module is configured to wirelessly communicate with an authentication device provided to a predetermined protection object. The imaging device is configured to capture an image of the predetermined position of the body. The ring controller is configured to acquire wearer information that is biometric information of a wearer who wears the wearable key device based on the image captured by the imaging device. The wearer information is used for determining whether the wearer is an authorized user.

Abstract: A fingerprint sensing system comprising a plurality of conductive selection lines; a plurality of conductive read-out lines crossing the selection lines; selection circuitry controllable to provide a selection signal on at least one selected selection line in the plurality of selection lines; a plurality of pixel elements formed at intersections between the selection lines and the read-out lines; current providing circuitry coupled to the read-out lines and controllable to generate a current pulse in at least one of the read-out lines when reading out a sensing signal from each of the pixel elements.

Abstract: Systems and methods provide techniques for illumination-based user authentication. In one embodiments, a method includes at least operations configured to receive a user authentication request for a computing device, and in response to receiving the user authentication request, cause a display device of the computing device to display a display pattern during a first time period; determine, based on image sensor data received from an image sensor device of the computing device, a responsive facial state during the first time period; determine a responsive correlation score for the display pattern and the responsive facial state, wherein the reflective correlation score is an estimated likelihood that that the responsive facial state indicates an authenticated end-user observing the display pattern; and determine whether to grant the user authentication request based on one or more authentication indicators, wherein the one or more authentication indicators comprise the responsive correlation score.

Abstract: Systems and methods for uniquely identifying fluid-phase products by endowing them with fingerprints composed of dispersed colloidal particles, and by reading out those fingerprints on demand using Total Holographic Characterization. A library of chemically inert colloidal particles is developed that can be dispersed into soft materials, the stoichiometry of the mixture encoding user-specified information, including information about the host material. Encoded information then can be recovered by high-speed analysis of holographic microscopy images of the dispersed particles. Specifically, holograms of individual colloidal spheres are analyzed with predictions of the theory of light scattering to measure each sphere's radius and refractive index, thereby building up the distribution of particle properties one particle at a time. A complete analysis of a colloidal fingerprint requires several thousand single-particle holograms and can be completed in ten minutes.

Abstract: A sensor module includes a sensor that includes a first sensor layer of a capacitance type including a plurality of first detection units arranged two-dimensionally and a second sensor layer of a capacitance type including a plurality of second detection units arranged two-dimensionally, the first sensor layer being provided on the second sensor layer, and a control unit that scans the plurality of first detection units and the plurality of second detection units.

Abstract: A vehicle includes a memory and a processor coupled to the memory. The processor is configured to determine whether or not a communication interface is malfunctioning, the communication interface being configured to perform communication for confirming that a device, which holds a digital key for activation, is inside a vehicle cabin, and in a case in which it is determined that the communication interface is malfunctioning, perform processing that enables activation based on a result of authentication of the device.

Abstract: Fingerprint authentication is realized during a swipe operation of a display. An electronic device includes a display, an optical fingerprint sensor, and an information processing unit. The display includes a display surface having light emitting pixels in an array in a first direction and a second direction intersecting the first direction. The optical fingerprint sensor includes an imaging element having light receiving elements in an array in a first direction and a second direction on a side opposite to the display surface of the display in a third direction intersecting the first direction and the second direction, and acquires fingerprint information of fingerprint moving in contact with the display. The information processing unit acquires corrected fingerprint information from the fingerprint information acquired by the optical fingerprint sensor.

Abstract: An electronic circuit for operating with a display panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a first circuit, a second circuit, a third circuit, a first switch circuit and a control circuit. The first circuit generates display driving signals for driving the display panel. The second circuit receives fingerprint sensing signals from the fingerprint sensors. The third circuit determines a touch information according to touch sensing signals from the touch sensors. The first switch circuit includes a plurality of first switch units, each of the first switch units includes a first switch element and a second switch element. The control circuit controls the first switch circuit to transmit the display driving signals in a first time interval, controls the first switch circuit to transmit the fingerprint sensing signals in a second time interval, and controls the third circuit to receive the fingerprint sensing signals in a third time interval.

Abstract: Systems and methods for enhanced hash transforms are disclosed. In particular embodiments, biometric data is concatenated with non-biometric data for generating a fixed-sized vector, and furthermore performing various permutations and projections on the vector. The resulting vector may be stored in a registry, and a corresponding key may be generated and provided to the user associated with the biometric data. The hash transformation may be a lossy process, such that the resulting hash includes less bytes than the initial biometric data, and a hash reversal fails to generate an exact copy of the original biometric data.

Abstract: A processor-implemented anti-spoofing method includes: extracting an input embedding vector from input biometric information; obtaining a fake embedding vector of a predetermined fake model based on fake biometric information; obtaining either one or both of a real embedding vector of a predetermined real model and an enrolled embedding vector of an enrollment model the enrollment model being generated based on biometric information of an enrolled user; determining a confidence value of the input embedding vector based on the fake embedding vector and either one or both of the real embedding vector and the enrolled embedding vector; and determining whether the input biometric information is forged, based on the confidence value.

Abstract: A device for capturing a biometric print of a user, the user compartment including a frontal opening designed for the passage of part of a hand into said user compartment and a lateral opening allowing the passage of the thumb of the user's hand, the lateral opening extending as far as the frontal opening to form a continuous open space, the lateral opening being delimited in a direction of insertion of the user's hand into the user compartment by a user hand positioning stop.

Abstract: A method of operating a video camera includes capturing a scene of imaging data using a focal plane array (FPA) module of the video camera. The scene of imaging data is characterized by a first bit depth. The method also includes processing, using an image processing module coupled to the FPA module, the scene of imaging data to provide display data characterized by a second bit depth less than the first bit depth. The method further includes forming a super frame including the display data and the scene of imaging data and outputting the super frame.

Abstract: An in-cell optical sensing display panel includes a pixel array, a plurality of first optical sensors and a plurality of second optical sensors. The pixel array is disposed in an active area of the in-cell optical sensing display panel, and the active area includes a first region and a second region which surrounds the first region. The sensor array is disposed in the first region of the active area and is configured to sense a fingerprint of a finger touching a surface of the in-cell optical sensing display panel. The second optical sensors are disposed in the second region of the active area and are configured to sense ambient light, and the second optical sensors are not to be used for fingerprint sensing.

Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information according to an embodiment includes: an ultrasonic sensor configured to acquire a bio-signal from an object; and a processor configured to detect peaks from the bio-signal, and to determine false detection of a peak, among the detected peaks, by using at least one of a time interval between a current peak and an immediately preceding peak, amplitudes of the current peak and the immediately preceding peak, a shape of a waveform on a left region and a right region of the peak, and an occurrence position of the peak.

Abstract: An electronic device, and a method for performing fingerprint sensing control on a display panel are provided. A sensing region of the display panel is divided into a plurality of fingerprint zones. The electronic device determines at least one target fingerprint zone from the fingerprint zones according to a touch location, wherein the fingerprint zones are coupled to a plurality of scanning groups, each of the scanning groups comprises one or more scanning lines, the at least one target fingerprint zone is coupled to a first scanning group and a second scanning group other than the first scanning group among the plurality of scanning groups. The electronic device scans the first scanning group with a first speed, and scans the second scanning group with a second speed higher than the first speed or skips scanning the second scanning group.

Abstract: An example of a pixel module comprises a module substrate having light emitters disposed on a light-emitter surface and a controller disposed on a controller surface opposed to the light-emitter surface. At least one module electrode is electrically connected to the controller and at least one module electrode is electrically connected to each light emitter. An example of a pixel-module wafer comprises a module source wafer comprising sacrificial portions and module anchors, each sacrificial portion laterally separated from an adjacent sacrificial portion by a module anchor and a pixel module disposed entirely over each sacrificial portion. At least one module tether physically connects each of the pixel modules to at least one of the module anchors. An example of a pixel-module display comprises a display substrate, pixel modules disposed on the display substrate and display electrodes disposed on the display substrate, each display electrode electrically connected to a module electrode.

Abstract: A display panel and a display device are provided, the display panel has a texture touch surface, and includes a driving circuit layer, a light source array, an image sensor array, and a black matrix layer. The light source array includes a plurality of light sources, the image sensor array includes a plurality of image sensors, the black matrix layer includes a plurality of first light-transmitting openings and a plurality of second light-transmitting openings. The driving circuit layer includes a plurality of light-transmitting portions, and each of the plurality of first light-transmitting openings is arranged corresponding to at least one of the plurality of light-transmitting portions, and in a first light-transmitting opening and a light-transmitting portion that are arranged correspondingly, a plane size of the first light-transmitting opening in a direction parallel to the surface of the display panel is smaller than a plane size of the light-transmitting portion.

Abstract: A method of detecting a biometric feature with an electronic device and the method includes the following steps. Firstly, a detection region of the electronic device is provided, and the electronic device includes a plurality of first color pixels, a plurality of second color pixels, and a sensor module. Then, a first color light and a second color light are respectively generated by turning on at least a portion of the first color pixels and at least a portion of the plurality of second color pixels in the detection region. Next, a first area and a second area are simultaneously generated by the first color and the second color light, wherein the first area and the second area are overlapped with the detection region, and the sensor module is overlapped with the detection region. Finally, a biometric feature is determined.

Abstract: A person may attempt to gain access to a facility via transaction data, such as images of a hand of the person or other identifying information as acquired by an input device. Possible fraud may be detected by comparing the transaction data with previously stored exclusion data. The exclusion data may include known bad data or synthetic trained data for detecting possible fraud. If the biometric input matches or is similar to the exclusion data, possible fraud is detected and the person is prompted for additional data. The reply data acquired from the person is compared with the exclusion data to determine if possible fraud is still detected. If so, additional prompts are presented to the person until the reply data provides enough confidence of no fraud or until the transaction is terminated.

Abstract: An optical fingerprint identification circuit and a display panel are provided. The optical fingerprint identification circuit adds a reset unit at the gate of the driving transistor. The anode of the photodiode is electrically connected to the scan line. The optical fingerprint identification circuit could effectively avoid the reverse breakdown risk of the photodiode while realizing the fingerprint identification. It could reduce the requirement for the reverse breakdown voltage of the photodiode and requirement for the performance of the sensor. Furthermore, the circuit structure is simpler and the number of the TFTs is reduced. This improves the integration of the circuit.

Abstract: An electronic device is provided. The electronic device includes a display, a fingerprint sensor disposed on one surface of the display, a memory storing a plurality of fingerprint images mapped to information indicative of a plurality of guide lines, and a processor operatively connected to the display, the fingerprint sensor, and the memory.

Abstract: According to an embodiment, a portable electronic device that executes a command from a host device includes a sensor and a processor. The sensor acquires biometric information. The processor causes the sensor to acquire first biometric information for generating a template used for authentication, and after the first biometric information is acquired, causes the sensor to acquire second biometric information used for generating the template. Where the similarity between the first biometric information and the second biometric information exceeds a first threshold value, the processor outputs a signal indicating that the second biometric information is inappropriate for use as biometric information for generating the template.