Abstract: Systems and methods for simultaneous multi-channel off-axis holography are described. Multi-channel imaging systems can include a light system including a plurality of light sources configured to generate illumination and reference beams at a plurality of wavelengths, an illumination system configured to illuminate a target object with the illumination beams, an optical assembly configured to receive a reflected target beam and condition the target beam for recording at an optical imaging system, and a reference system configured to propagate the reference beams to the optical imaging system. The reference beams are interfered with the target beam at the optical imaging system to create interference patterns, which can be recorded in a collective image having a plurality of side lobes. Holographic information in the side lobes can be combined to generate 3D images having a substantially reduced signal to noise ratio.

Abstract: An electronic device may have a display overlapped by an image transport layer such as a coherent fiber bundle or layer of Anderson localization material. The image transport layer may have an input surface that receives an image from the display and a corresponding output surface to which the image is transported. The input surface and output surface may have different shapes. During fabrication of the image transport layer, molding techniques, grinding and polishing techniques, and other processes may be used to deform the image transport layer and the shape of the output surface. To help reduce ambient light reflections and stray light, light-absorbing structures may be incorporated into the image transport layer and other structures overlapping the display.

Abstract: A biometric capture device having an optical block integrating an acquisition surface, an optical acquisition system arranged so that a first light ray propagating, outside the optical block, along an optical axis of the said optical acquisition system forms at the level of the acquisition surface, an angle with respect to a normal to the acquisition surface of a value greater than a critical angle depending on the refractive indices of the optical block and of the air, the optical system also being arranged so that the optical axis forms an angle with respect to a normal to the exit face less than said critical angle, an illumination system configured to provide illumination of the acquisition surface, the illumination system generating a light beam defined by an illumination axis, a second light ray propagating along the illumination axis out of the optical block.

Abstract: A fingerprint sensing module is used for a liquid crystal display (LCD) panel having a sensing area. The fingerprint sensing module includes a light source and a shielding frame. The light source is configured to provide light emission for fingerprint sensing performed on the sensing area, wherein the sensing area is at a first side of the light source. The shielding frame is disposed on a light emission path from the light source toward the first side.

Abstract: A display panel and a display device are provided, and a technical field in displays is related. The display panel includes an array substrate, a liquid crystal layer, a color filter layer, a sensor layer, a glass substrate, and a collimator mechanism. The sensor layer includes a plurality of fingerprint recognition units. The collimator mechanism is disposed on a side of the sensor layer away from the color filter layer. The display device includes the display panel. Display function, touch function, and fingerprint recognition function are integrated into one, by manufacturing the fingerprint recognition units on the glass substrate on the display panel. The cost and the module thickness are further optimized. A fingerprint recognition area is realized as a full-screen area, and fingerprints can be recognized at any position on the screen.

Abstract: A method of updating a fingerprint template in an electronic device is provided. In an example, the method includes: a blank image is acquired when a fingerprint sensor in the electronic device scans a fingerprint sensor region and no finger is detected; and it is determined whether the fingerprint template is to be updated according to the blank image.

Abstract: The present application relates to a fingerprint identification module and a display device. The fingerprint identification module includes: a first lens assembly; a second lens assembly with a primary optical axis not parallel to a primary optical axis of the first lens assembly; a reflecting mirror assembly, including a reflecting mirror and a rotating shaft coupled to the reflecting mirror, wherein the rotating shaft can drive the reflecting mirror to rotate, and the reflecting mirror includes a reflecting surface; and a light-sensitive element located at a light exiting side of the second lens assembly.

Abstract: A display device includes a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.

Abstract: The present invention relates to a TFT panel type fingerprint recognition sensor comprising: a total reflection unit for totally reflecting light emitted from a light source; a photodiode for detecting light reflected through the total reflection unit; and a TFT panel for processing voltage output from the photodiode so as to perform imaging.

Abstract: An optical fingerprint recognition system is disclosed. The optical fingerprint recognition system comprises a processing circuit; and an image sensor comprising a pixel array; wherein in an enrollment operation, the processing circuit is configured to set a first exposure time and control the image sensor to capture a first fingerprint image according to the first exposure time and in a matching operation, the processing circuit is configured to set a second exposure time and control the image sensor to capture a second fingerprint image for the matching operation according to the second exposure time; wherein the first exposure time is longer than the second exposure time.

Abstract: A detection substrate, a display panel and a display apparatus are provided in the disclosure. The detection substrate includes a first substrate and at least one device pair for fingerprint identification-brightness detection on the first substrate. Each of the at least one device pair for fingerprint identification-brightness detection includes a fingerprint identification device, an insulating layer and a brightness detection device which are sequentially stacked on the first base.

Abstract: A display apparatus and a fingerprint identification method are provided.

Abstract: A method of testing a vehicular camera includes providing a camera that has a field of view, providing a display screen that displays video images, providing an LED matrix having a plurality of LEDs that emit patterns of light of different colors, and providing a partially light reflecting and partially light transmitting mirror in the field of view of the camera and between the camera and the display screen or between the camera and the LED matrix. A simulator control generates video control signals and LED control signals. Displayed video images either pass through the mirror or reflect off the mirror to be imaged by the camera. The emitted patterns of light either reflect off the mirror or pass through the mirror to be imaged by the camera. A processor may process captured image data to determine whether or not the camera is functioning properly.

Abstract: A biometric device includes an illuminating unit and an imaging module. The imaging module includes an optical angular selective structure and a sensing layer. The light selecting structure includes a micro lens array, a refractive layer and a light shielding layer. The refractive layer is disposed between the micro lens array and the light shielding layer. The micro lens array includes a plurality of lens unit units, and the light shielding layer has a plurality of light passing portions. The sensing layer defines multiple sensing regions which are spaced apart from each other. The light shielding layer is disposed between the refractive layer and the sensing layer. The sensing regions correspond to the light passing portions, respectively. An optical angular selective distance is defined between the light shielding layer and the sensing layer.

Abstract: An OLED display panel and a display device are disclosed. The OLED display panel includes a light shielding layer, a planarization layer, and an anode layer which are arranged on a substrate in this order. The anode layer includes a plurality of sub-electrodes independently disposed. The OLED display panel includes a display area including a fingerprint imaging area and a non-imaging area. The OLED display panel further includes a light blocking portion on a side of the planarization layer away from the substrate. An orthographic projection of the light blocking portion on the substrate is within an orthographic projection of a gap between two sub-electrodes on the substrate which lies in the non-imaging area.

Abstract: The image processing system acquires a first image which includes a target object illuminated by both of a first light and a second light, the second light being generated by a light source that emit light in a specific wavelength band, and an external object illuminated by the first light but not illuminated by the second light. The system acquires a second image generated by photographing a range same as a range of the first image through a filter causing wavelength distribution of observed light for the second image to be different from wavelength distribution of observed light for the first image. The system generates a third image in which intensity of a figure of the external object is raised as compared to the first image; and a fourth image in which intensity of a figure of the external object is reduced as compared to the first image.

Abstract: In real biometric systems, false match rates and false non-match rates of 0% do not exist. There is always some probability that a purported match is false, and that a genuine match is not identified. The performance of biometric systems is often expressed in part in terms of their false match rate and false non-match rate, with the equal error rate being when the two are equal. There is a tradeoff between the FMR and FNMR in biometric systems which can be adjusted by changing a matching threshold. This matching threshold can be automatically, dynamically and/or user adjusted so that a biometric system of interest can achieve a desired FMR and FNMR.

Abstract: A biometric identification module including a light source, a cover plate, a display device, an image-capture device, and a first optical film layer is provided. The display device is disposed between the cover plate and the image-capture device. A first optical film layer is disposed on a first region of the cover plate and located between the first region and the light source, wherein the light beam emitted by the light source passes through the first optical film layer to be sequentially transmitted in the first region and a second region of the cover plate, and a finger disposed on the second region of the cover plate reflects the light beam from the second region of the cover plate. The light beam reflected by the finger sequentially passes through the second region of the cover plate and the display device to be received by the image-capture device.

Abstract: Electronic devices having fingerprint authentication, and methods for controlling a fingerprint authentication on the electronic devices are provided. In one aspect, a method includes acquiring, using a first sensor on the electronic device, a first signal produced by an object positioned in proximity to the electronic device, and acquiring a second signal using a fingerprint sensor on the electronic device. The method also includes controlling a fingerprint authentication on the electronic device based on at least one of the first signal and the second signal.

Abstract: A device and method for direct recording of prints of a rolled finger provide optimal recording of rolled fingerprints by a user by visually displayed influencing of the rolling movement during the roll process. By direct recording of the rolled finger by a layer body with a sensor layer of two-dimensional matrix of sensor elements and a parallely opposite support surface on which the finger can be rolled, the distance between the sensor layer and the support surface is less than five times the mean distance between adjacent sensor elements. A light source with lighting elements that can be controlled individually or in groups to generate light portions through the support surface as visible patterns for user information with spatial and temporal reference to the rolling finger. An electronic control unit controls the light source in different areas of the support surface to generate a pattern variable over time.

Abstract: A method of authenticating a user of a multifunction device to a server, the method comprising associating a user-supplied image with user login credentials, using a server; receiving, at the server, an image uploaded from the multifunction device; and comparing the uploaded image to the user-supplied image, using the server, and, only if the uploaded image is identical to the user-supplied image, allowing the user of the multifunction device to authenticate to the server by providing additional login credentials to the server using the multifunction device.

Abstract: In real biometric systems, false match rates and false non-match rates of 0% do not exist. There is always some probability that a purported match is false, and that a genuine match is not identified. The performance of biometric systems is often expressed in part in terms of their false match rate and false non-match rate, with the equal error rate being when the two are equal. There is a tradeoff between the FMR and FNMR in biometric systems which can be adjusted by changing a matching threshold. This matching threshold can be automatically, dynamically and/or user adjusted so that a biometric system of interest can achieve a desired FMR and FNMR.

Abstract: In real biometric systems, false match rates and false non-match rates of 0% do not exist. There is always some probability that a purported match is false, and that a genuine match is not identified. The performance of biometric systems is often expressed in part in terms of their false match rate and false non-match rate, with the equal error rate being when the two are equal. There is a tradeoff between the FMR and FNMR in biometric systems which can be adjusted by changing a matching threshold. This matching threshold can be automatically, dynamically and/or user adjusted so that a biometric system of interest can achieve a desired FMR and FNMR.

Abstract: Provided is an apparatus for taking close-up pictures using a mobile terminal equipped with a camera and an exterior optical module for taking close-up pictures. The exterior optical module according to the present invention is characterized in that it is possible to take close-up pictures of even subjects within the shortest photographing distance of a camera part embedded in a typical mobile terminal, and the light source embedded in the mobile terminal is used without using a separate external light source. By providing an optical zoom through a separate exterior lens, it is possible to apply the present invention in cases where a magnified image is required, such as for the inspection of the skin tissues, in a portable microscope function, or the like. The mobile terminal becomes an apparatus for taking close-up pictures through an exterior optical module mounted thereon.

Abstract: A fingerprint identifying device and a fingerprint identifying system are provided.

Abstract: In real biometric systems, false match rates and false non-match rates of 0% do not exist. There is always some probability that a purported match is false, and that a genuine match is not identified. The performance of biometric systems is often expressed in part in terms of their false match rate and false non-match rate, with the equal error rate being when the two are equal. There is a tradeoff between the FMR and FNMR in biometric systems which can be adjusted by changing a matching threshold. This matching threshold can be automatically, dynamically and/or user adjusted so that a biometric system of interest can achieve a desired FMR and FNMR.

Abstract: In real biometric systems, false match rates and false non-match rates of 0% do not exist. There is always some probability that a purported match is false, and that a genuine match is not identified. The performance of biometric systems is often expressed in part in terms of their false match rate and false non-match rate, with the equal error rate being when the two are equal. There is a tradeoff between the FMR and FNMR in biometric systems which can be adjusted by changing a matching threshold. This matching threshold can be automatically, dynamically and/or user adjusted so that a biometric system of interest can achieve a desired FMR and FNMR.

Abstract: An electronic device and fingerprint-recognition method are provided.

Abstract: An electronic device and method thereof are provided. The fingerprint recognition method includes: scanning a verifying fingerprint, obtaining a similarity value between the verifying fingerprint and a registered fingerprint, comparing the similarity value with a first threshold, determining that the verifying fingerprint matches the registered fingerprint if the similarity value is equal to or greater than the first threshold; comparing the similarity value with a second threshold, wherein the second threshold is greater than the first threshold; and storing the verifying fingerprint if the similarity value is equal to or smaller than the second threshold.

Abstract: A method for an optical fingerprint recognition, the method includes scanning a fingerprint image using a multiple scan which allows alternating a first scan condition and a second scan condition different from each other; determining whether an input fingerprint is a dry fingerprint depending on a darkness level of a fingerprint image derived from the first scan condition; and performing a fingerprint recognition using a fingerprint image derived from the first scan condition or a fingerprint image derived from the second scan condition in accordance with the determination result as to the dry fingerprint.

Abstract: A biometric information image-capturing device includes an image capturing unit configured to photograph a body part including biometric information to generate a biometric image in which the biometric information is represented, at least one light source disposed in the periphery of the image capturing unit and configured to illuminate light toward a photographing range of the image capturing unit, and a light guide member disposed to be opposed to the at least one light source in the periphery of the image capturing unit and provided with a concaved portion located at a surface of the light guide member, the concaved portion being nearer to the image capturing unit side than the at least one light source.

Abstract: An identification apparatus includes a classification unit that determines two or more classes into which input biometric data is classified out of a plurality of classes based on features of the input biometric data, where a plurality of items of registered biometric data have been classified into at least one of the plurality of classes, a calculation unit that calculates similarity between the input biometric data and each item of the registered biometric data registered in each of the two or more classes into which the input biometric data is classified, and an identification unit that identifies data on a user who has entered the input biometric data among the registered biometric data registered in any of the two or more classes into which the input biometric data is classified, based on the similarity to the input biometric data.

Abstract: What is disclosed is a system and method which reconstructs an N-pixel image of a scene such that Q pixel locations associated with identified regions of interest in a scene have a higher image quality when rendered relative to other pixels in the image. Acquisition and adaptive-quality compression are performed simultaneously by semi-synchronously or asynchronously temporally modulating an ordered set of sampling functions used to spatially modulate a pattern of light. The teachings hereof improve compression efficiency of a compressed sensing framework while improving encoding efficiency with respect to traditional compressed sensing techniques.

Abstract: Disclosed herein are methods, systems, and computer readable media for locking a computing device. Periodic images are received from a camera on a computing device. Each of the images is compared to a stored image of a user. A determination is made that one of the images does not match the stored image, and the computing device is locked upon determining that one of the images does not match the stored image.

Abstract: One embodiment includes a biometric sensor for generating a three-dimensional representation of a portion of a finger, the finger comprising a three-dimensional structure including a surface tissue layer and a subsurface tissue layer, the biometric sensor comprising: a platen; a first transducer; a drive system; a controller; and a software module. The platen is configured to receive the finger. The first transducer is arranged about the platen, configured to scan at least a portion of the finger by transmitting ultrasound waves toward the finger and receiving the ultrasound waves after the waves reflect off of the finger, and further configured to output signals based upon the received ultrasound waves. The drive system is configured to motivate the set of transducers accurately about a central axis substantially parallel to the length of the finger to be scanned. The controller is configured to control the motion of the drive system.

Abstract: A server determines a plurality of faceprints representing a plurality of users to be recognized at a client device. Each faceprint contains a number of reference images for a given user that are used to recognize facial images of the user detecting in media captured at the client device. The faceprints delivered to the client device are determined for the client device based on the users likely to be detected in images captured at the client device. The reference images with a given faceprint delivered to the client device are selected by the server based on their recognition value in identifying the users likely to be detected in images captured at the client device.

Abstract: A light-pointing device generates a light beam, and converts the light beam into a flicker mode with the function selection keys. Different function selection keys trigger different flicker frequencies. The dotted image of the light beam is formed in a plurality of frames detected by the tracking receiver. The tracking receiver determines the start of a specific function according to the frequency of occurrence or the interval mode of the dotted image in the plurality of successive frames.

Abstract: An optical module includes a housing with a lighting mechanism, an aperture formed therein, and a window that frames a transparent surface adapted to contact a skin surface of a person, for example, a fingertip. The lighting mechanism provides light to illuminate the skin surface placed upon the transparent surface. A prism has a first side facing the lighting mechanism, a second side at the window, and a third side through which a dactylographic image exits the prism. One or more light reflecting surfaces are disposed within the housing to reflect the dactylographic image towards the housing aperture. The optical module is coupled to a mobile device having a camera, with the aperture of the housing aligning with a lens of the camera. The camera acquires the dactylographic image, and the mobile device adjusts this dactylographic image to produce a dactylographic image suitable for biometric matching.

Abstract: The disclosure relates to a method for recording a fingerprint, with authenticity identification, using a fingerprint recording device which is connected to a data processing instrument and has a prism body with a contact face, an illumination unit for illuminating a finger disposed on the contact face, and a first camera sensor for recording a fingerprint image.

Abstract: An apparatus for identifying a fake fingerprint, the apparatus comprising: a prism having a fingerprint contact surface with which a fingerprint comes in contacted; an internal light source configured to irradiate light from the inside of the prism; an external light source configured to irradiate light from the outside of the prism; an image sensor configured to acquire diffused light image by the internal light source and transmitted light image by the external light source; and a controller configured to compare the diffused light image and the transmitted light image acquired by the image sensor to determine whether the fingerprint is a fake fingerprint or not.

Abstract: Systems and methods for generating a derived biometric template are provided. A biometric sample of a user is determined. A base biometric template includes a plurality of features extracted from the biometric sample. A degree of rotation is determined, and a derived biometric template is generated using the degree of rotation.

Abstract: Enhanced accuracy finger position and motion sensors devices, algorithms, and methods are disclosed that can be used in a variety of different applications. The sensors can be used in conjunction with partial fingerprint imagers to produce improved fingerprint scanners. Such improved scanners can use image analysis techniques, such as interpolation between partial fingerprint images to correct for missing data, or discarding redundant partial fingerprint image data, to produce adequate fingerprint images even when the finger has not been applied to the sensor using an optimum technique.

Abstract: An imaging device includes a transparent prismatic element having two contiguous inlet surfaces separated by a ridge. A lens and an image sensor make it possible to acquire images, each including a reproduction of a first pattern located against one of the inlet surfaces, and a reproduction of a second imaged pattern through the other inlet surface. Such a device can be used in a biometric detection apparatus for detecting both a skin print and the vein distribution of a user. The device can also be used in a reading terminal capable of detecting a skin print and a machine-readable tape.

Abstract: Disclosed herein are methods, systems, and computer readable media for locking a computing device. Periodic images are received from a camera on a computing device. Each of the images is compared to a stored image of a user. A determination is made that one of the images does not match the stored image, and the computing device is locked upon determining that one of the images does not match the stored image.

Abstract: An novel impedance sensor for use together with a switch is provided having a plurality of substantially parallel drive lines configured to transmit a signal into a surface of a proximally located object, and also a plurality of substantially parallel pickup lines oriented substantially perpendicular to the drive lines and separated from the pickup lines by a dielectric to form intrinsic electrode pairs that are impedance sensitive at each of the drive and pickup crossover locations.

Abstract: A biometric identification system effective for identifying individuals according to a combination of biometric records and predetermined finger stroke sequences. The system allows a user to easily access multiple bank accounts and multiple credit accounts in a secure manner. The user can decide which account to use for a purchase at the last minute. The system features a cleaning system for cleaning the fingerprint scanner after each use. The cleaning system is only accessible to qualified maintenance personnel.

Abstract: An optical fiber is designed to transmit high-power laser radiation. The optical fiber includes a fiber core, and an inner fiber cladding surrounding the fiber core, where the inner fiber cladding is configured to carry the laser radiation in the fiber core. The optical fiber also includes a first outer fiber cladding surrounding the inner fiber cladding. The first outer fiber cladding has a capillary-free longitudinal section and has a smaller refractive index than the refractive index of the inner fiber cladding. The optical fiber includes an outermost fiber cladding surrounding the first outer fiber cladding. The outermost fiber cladding has scattering centers that surround the capillary-free longitudinal section, where the scattering centers scatter laser radiation emerging from the inner fiber cladding through the first outer fiber cladding along the capillary-free section.

Abstract: The invention may include a fingerprint scanner having an ultrasonic wave emitter, a platen, an acoustic splitter and an acoustic detector. The invention may also include a method of scanning a fingerprint, wherein ultrasonic energy is provided and reflected with an acoustic splitter to provide first reflected energy, the first reflected energy may be reflected from a finger to provide second reflected energy, the second reflected energy may be received at the splitter, and allowed to pass through the splitter, and the second reflected energy may then be received at a detector.

Abstract: A fingerprint motion tracking method and system is provided for sensing features of a fingerprint along an axis of finger motion, where a linear sensor array has a plurality of substantially contiguous sensing elements configured to capture substantially contiguous overlapping segments of image data. A processing element is configured to receive segments of image data captured by the linear sensor array and to generate fingerprint motion data. Multiple sensor arrays may be included for generating directional data. The motion tracking data may be used in conjunction with a fingerprint image sensor to reconstruct a fingerprint image using the motion data either alone or together with the directional data.

Abstract: Methods and Apparatus are provided for fake fingerprint detection. In one embodiment, an apparatus for fake fingerprint detection includes a prism having a first side configured to be touched by a fingerprint, an IR LED located near the second side of the prism, a light source located near the third side of the prism, where both the IR LED and the light source are configured to illuminate the fingerprint simultaneously to produce a captured image of the fingerprint, one or more lenses configured to direct the captured image of the fingerprint for storage, one or more CMOS sensors configured to collect the captured image of the fingerprint for analysis, and a controller configured to determine validity of the fingerprint using the captured image.