66results about How to "Improve fingerprint identification efficiency" patented technology

Embodiments of the invention disclose a fingerprint unlocking method and a mobile terminal. The fingerprint unlocking method can comprise the steps of obtaining a fingerprint image input by a user; determining a target fingerprint group corresponding to the fingerprint image, wherein the target fingerprint group comprises a plurality of fingerprint templates; performing matching on the fingerprint templates and the fingerprint image in sequence according to a preset sequence; and when any fingerprint template in the fingerprint templates is successfully matched with the fingerprint image, unlocking the mobile terminal. With the adoption of the embodiments of the method and the mobile terminal, the target fingerprint group is firstly determined before fingerprint matching, so that the matching range can be reduced; and the matching is performed according to the preset sequence, so that the fingerprint matching frequency can be further reduced, the matching speed can be increased, and the fingerprint identification efficiency can be improved.

The invention discloses a fingerprint identification method and device. The method comprises the steps that an input fingerprint image is segmented to acquire sub fingerprint images; feature points in the sub fingerprint images are identified and matched; the total number of matched feature points is counted; and if the total number of matched feature points exceeds a preset numerical value, successful fingerprint identification is prompted. According to the embodiment of the invention, the identification efficiency is improved.

The invention discloses a fingerprint identification device, which comprises an acquisition module, a first determination module and a second determination module, wherein the acquisition module is used for acquiring environment parameters of a mobile terminal when receiving a fingerprint image to be identified; the first determination module is used for determining a threshold value of the fingerprint image to be identified according to the environment parameters; and the second determination module is used for determining that identification of the fingerprint image to be identified fails if the similarity between the fingerprint image to be identified and a prestored fingerprint template is less than the threshold value, and determining that identification of the fingerprint image to be identified succeeds if the similarity between the fingerprint image to be identified and a prestored fingerprint template is greater than or equal to the threshold value. The invention further discloses a fingerprint identification method. The fingerprint identification device and the fingerprint identification method realize the effects of determining the threshold value of the fingerprint image to be identified according to the environment parameters of the mobile terminal, avoiding the occurrence of fingerprint identification failure because the environment in which the mobile phone locates is unfavorable for fingerprint identification, and improving fingerprint identification efficiency of the mobile terminal.

An embodiment of the present application discloses a fingerprint identification method and related products. The electronic device comprises a processing circuit and an optical fingerprint identification module connected with the processing circuit. The method comprises: acquiring a first fingerprint image in a first environmental state; acquiring a first reference image, the first reference imagebeing a reference image in the first environmental state; according to the first fingerprint image and the first reference image, obtaining a second fingerprint image, the second fingerprint image being used as a fingerprint template for a fingerprint identification operation. By adopting the embodiment of the present application, a reference image corresponding to the environmental state can beobtained in the first environmental state, thereby obtaining a fingerprint image suitable for the environment, thereby facilitating the improvement of fingerprint identification efficiency.

The invention discloses a fingerprint identification device. The device comprises a fingerprint collector body, and is characterized in that the fingerprint collector body comprises two fingerprint collectors with a Camera communication interface and a USB communication interface respectively. The invention also discloses a fingerprint identification method which is characterized by sequentially comprising the following steps of: 1) initializing; 2) performing circuit self-examination; 3) performing a corresponding program according to information input by a user; 4) judging whether to perform communication; 5) acquiring image data; and 6) comparing registered users. The identification device and the identification method of the invention can be used for simultaneously comparing fingerprints by two users and simultaneously managing the fingerprint identification device by one or two managers; the comparison result can be synchronously displayed at a position corresponding to a liquid crystal display; and the device and the method have the advantages of saving cost, doubling the fingerprint identification efficiency, the reliability and the safety and more easily extending the functions of the fingerprint identification device.

The embodiment of the invention discloses a fingerprint unlocking method and a mobile terminal. The fingerprint unlocking method comprises the following steps: acquiring at least one image region containing minutiae from a fingerprint image input by a user; determining minutiae contained in the at least one image region; matching the minutiae contained in the at least one image region with the minutiae in at least one fingerprint template; when the matching is successful, unlocking the mobile terminal. Through the adoption of the method disclosed by the embodiment of the invention, the region containing the minutiae is selected from the fingerprint image input by the user to match with the fingerprint template, the comparison operational amount in the matching process is reduced, the matching speed is accelerated, and the fingerprint identification efficiency is promoted.

The invention provides electric equipment used for solving the technical problem that electronic equipment in the prior art can not give consideration to the efficiency of fingerprint recognition and appearance beauty. The electric equipment comprises a shell and at least one functional device, wherein the shell is provided with a first area and a second area which are connected mutually and have the same visual effect and different touch; the at least one functional device is arranged in the shell, and the arrangement position of a fingerprint recognition module in the at least one functional device corresponds to the first area, so that the electronic equipment recognizes fingerprints of a user of the electric equipment.

The embodiment of the invention discloses a fingerprint identification method, a terminal and a computer readable storage medium. The terminal comprises a processor and a display induction screen connected with the processor, wherein the display induction screen comprises cover plate glass and at least one display induction unit, and the display induction unit comprises an induction unit and at least two display pixel units; the display pixel units are used for emitting pixel light; when the display induction screen is pressed by the finger of a user, the induction unit is used for receiving the light returned after the pixel light emitted by the display pixel units is reflected by a finger surface on the display induction screen; and the processor obtains light parameters received by theinduction unit, forms a fingerprint image according to the light parameters and performs identification on the fingerprint image. The embodiment of the invention combines a display screen and an induction screen to form the display induction screen, can realize fingerprint identification directly on the display screen, does not additionally occupy the surface space of the terminal and improves thefingerprint identification efficiency at the same time.

The embodiment of the invention discloses a display panel, a display device and a manufacture method for the display panel. The display panel comprises an array substrate and a fingerprint identification module, wherein the array substrate comprises a first substrate and a plurality of pixel units positioned on the first substrate; the fingerprint identification module is arranged on one side, which is far away from each pixel unit, on the first substrate; the fingerprint identification module comprises a second substrate, wherein the surface, which is near the array substrate, of the second substrate comprises a fingerprint identification area and a non-fingerprint identification area which surrounds the fingerprint identification area; the fingerprint identification area is provided witha fingerprint identification unit; and the non-fingerprint identification area is provided with border glue, wherein the border glue surrounds the fingerprint identification area, and the border glueis provided with at least one heat dissipation gap. By use of the scheme of the embodiment, the heat dissipation speed of the fingerprint identification module is improved, and fingerprint identification efficiency is improved.

The invention relates to the technical field of integrated circuit manufacture and packaging, and discloses a fingerprint identification device and a fingerprint identification assembly with a mould pressing protection layer. In the invention, a mould pressing mode can be adopted to form a thinner protection layer, the protection layer is formed on the surface of a fingerprint identification chip to become one part of the fingerprint identification device without forming a lens for protection subsequently, so that, technical steps are reduced. Since the protection layer formed in the above way can be thin, the attenuation of a fingerprint signal after the fingerprint signal passes through the protection layer is reduced, the sensitivity of the fingerprint identification chip is enhanced, and fingerprint identification efficiency is improved.

The invention relates to a fingerprint identification structure. The fingerprint identification structure comprises a sensing electrode arranged on a substrate, the sensing electrode comprises first sub-sensing electrodes which are insulated from one another and a plurality of second sub-sensing electrodes of which the number is the same as that of the plurality of point light sources; the plurality of photosensitive units comprise a first photosensitive sensing unit group correspondingly connected with the first sub-sensing electrodes and a second photosensitive sensing unit group correspondingly connected with the plurality of second sub-sensing electrodes; a first fixed voltage is provided for the first sub-sensing electrodes, so that photosensitive units in the first photosensitive unit group are in a working state; and the first voltage is provided for the second sub-sensing electrodes corresponding to the lighted point light source group, so that the corresponding part of the photosensitive units are in a cut-off state, and the first fixed voltage is provided for the second sub-sensing electrodes corresponding to the non-lighted point light source group, so that the other corresponding part of the photosensitive units are in a working state. The invention also relates to a fingerprint identification display device and a driving method thereof.

The embodiment of the invention provides a fingerprint acquisition device, a fingerprint identification method and a terminal, and belongs to the technical field of intelligent identification. The fingerprint acquisition device is applied to the terminal with a screen, and comprises a light ray adjusting mechanism which is used for adjusting the light path of detection light emitted by a light source according to the position of a finger contacting the screen and adjusting the light path of reflected light obtained by reflecting the detection light through the finger; and a fingerprint sensorwhich is used for sensing the reflected light adjusted by the light adjusting mechanism and acquiring fingerprint information according to the reflected light. According to the embodiment of the invention, the effective fingerprint acquisition area can be expanded.

The embodiment of the invention discloses a fingerprint identification method and a related product, the fingerprint identification methodis applied to electronic equipment, the electronic equipment comprises an ultrasonic fingerprint identification module and a touch display screen, and the ultrasonic fingerprint identification module is integrated below the touch display screen; the method comprises the steps that the battery temperature is detected every preset time interval, and when the absolute value of the difference value between the current battery temperature and the last battery temperature is larger than a preset threshold value, whether a preset object exists in a fingerprint collection area of the ultrasonic fingerprint recognition module to be attached to the touch display screen or not is detected; and when the preset object is not attached to the touch display screen in the fingerprint acquisition area, background image acquisition is carried out to obtain a target background image, and the target background image is taken as a current fingerprint background image. According to the embodiment of the invention, the fingerprint identification efficiency can be improved when the temperature changes.

The invention discloses a fingerprint safety chip, which comprises a safety module, a fingerprint hardware operator accelerator, an instruction high-speed cache memory I-Cache and a busbar, wherein the safety module is used for supporting a GMB algorithm; the safety module, the fingerprint hardware operator accelerator and the instruction high-speed cache memory I-Cache are connected by the busbar. The fingerprint safety chip has the advantages that the safety of the data processing of the fingerprint identification is improved, and the chip property is improved.

The invention discloses a display module and electronic equipment. The display module comprises a first substrate, an image sensor, a color filter layer and a black matrix are arranged on the surfaceof one side of the first substrate, a collimator is arranged on the surface of the other side of the first substrate, the color filter layer and the black matrix are arranged on the same layer, the image sensor is located between the black matrix and the first substrate, and the collimator and the image sensor are arranged at intervals in the direction perpendicular to the first substrate. The image sensor corresponds to the black matrix, and the setting area of the black matrix in the display module is large, so that the collimator and the image sensor can be distributed on the display modulein a large area, the area of a fingerprint identification area on the display module is enlarged, a user can flexibly select the position for placing a finger, and the fingerprint identification efficiency is improved.

The invention relates to the field of locksets and in particular relates to a fingerprint recognition controller which can improve the convenience in use, the security, the reliability, the generality and the transportability, and greatly reduce the development and manufacturing costs of a terminal application product, so as to improve the popularization and application of the product. The structure of the fingerprint recognition controller comprises a fingerprint acquisition element, a control mainboard, an operation panel and a rear fixing cover, wherein a fingerprint acquisition window is arranged on the operation panel; the fingerprint acquisition element is connected with the operation panel and is used for acquiring fingerprint information through the fingerprint acquisition window on the operation panel; the control mainboard comprises the following structures integrated on the control mainboard: an information storage structure for storing fingerprint information, an information recognition control structure for comparing fingerprint information, a physical function selection and setting mechanism, an input structure for receiving instruction information and an output mechanism for controlling driving equipment and prompting information; and the control mainboard is connected with the fingerprint acquisition element and is integrally fixed with the operation panel and the rear fixing cover.

The embodiment of the invention discloses a fingerprint identification method and a related product. The fingerprint identification method is applied to electronic equipment, and the electronic equipment comprises a display screen module, wherein the display screen module comprises an ultrasonic module and a display screen. The fingerprint identification method comprises the steps: obtaining a first fingerprint image through an ultrasonic module when a first position of a display screen is in a touched state, and matching the first fingerprint image with a preset fingerprint template to obtaina first matching result; if the first matching result is matching failure, sending prompt information to prompt the target object to adjust the finger touch position, obtaining a second fingerprint image through an ultrasonic module, and matching the second fingerprint image with a preset fingerprint template to obtain a second matching result; and if the second matching result is matching failure, determining whether fingerprint identification succeeds or not according to the first matching result and the second matching result, and if the fingerprint identification succeeds, executing preset unlocking operation, so that the fingerprint identification efficiency is improved.

The invention provides a fingerprint recognition method and device and a computer readable storage medium, and belongs to the field of fingerprint recognition. The method comprises the steps that after a fingerprint recognition sensor acquires a first fingerprint image, the pre-stored number of historical dead pixels is acquired; when the number of historical dead pixels is greater than or equal to the first preset number threshold, matching recognition of the first fingerprint image is prohibited; the number of the damaged acquisition modules of the fingerprint recognition sensor is detectedso as to obtain the current number of dead pixels; and the number of historical dead pixels is updated by using the current number of dead pixels, and the updated number of historical dead pixels is used for judging matching recognition of the acquired fingerprint image after the next time of acquisition of the fingerprint image. According to the technical scheme, the situation that the function of the fingerprint recognition sensor is normal but the terminal cannot recognize the fingerprint continuously can be avoided so that the efficiency of fingerprint recognition can be enhanced.

The embodiment of the invention discloses a fingerprint unlocking method and a mobile terminal. The fingerprint unlocking method comprises the following steps: extracting at least one detail feature point in a fingerprint image inputted by a user; sorting at least one preset fingerprint template according to the quantity of the detail feature points matched with the inputted fingerprint image; successively comparing the inputted fingerprint image with the at least one fingerprint template according to the sorting; and unlocking the mobile terminal when the matching degree between the inputted fingerprint image and at least one fingerprint template reaches a preset matching degree threshold. According to the embodiment of the invention, the matching of the fingerprint template at a higher matching degree is preferably performed by adjusting the sorting of the fingerprint template, the matching speed can be increased, and the efficiency of recognizing the fingerprint is promoted.

The invention relates to a sandwich-structure Raman signal enhancement probe for fingerprint imaging and a preparation method thereof. The probe uses gold nanoparticles as a core, silica as a shell, signal molecules are sandwiched between the core and the shell, and the surface of the shell is modified by using lysozyme ligands for fingerprint identification. The preparation method of the probe includes the steps: (1) preparing the gold nanoparticles; (2) connecting the signal molecules to the gold nanoparticles by S-Au bonds; (3) hydrolyzing sodium silicate so as to perform coating with a silicon layer; and (4) allowing triazinyl to form on the surface of the silicon layer so that the surface has the amino modified lysozyme ligand function. The sandwich-structure probe provided by the invention has the characteristics of good Raman signal enhancement effects, high signal stability, and high fingerprint identification, and the preparation method is simple, and controllable in process, and the prepared Raman signal enhancement probe can be used for high-definition imaging of latent fingerprints.

The invention relates to a fingerprint identification device, and belongs to the technical field of fingerprint identification. The fingerprint identification device comprises a device body, a cover plate and a mounting base; the device body is connected with the cover plate through a damping hinge; the mounting base is fixed at the upper end of the device body; a display screen, a loudspeaker, asetting button, a camera and a first groove are mounted on / in the device body; a dust sensor, a fingerprint identification module and a humidity sensor are mounted at the bottom of the first groove; and the mounting base is provided with an infrared sensing module and a mounting hole. The dust sensor, the humidity sensor and a pressure sensor cooperate with a control chip and a voice module; the reason for the situation that a fingerprint cannot be identified is judged and is prompted by the loudspeaker, so that identification personnel can perform adjustment in time, and the fingerprint identification efficiency is improved; and when no person exists in a certain time, the control chip controls the device to be automatically switched off, so that electricity is saved.

The invention discloses an electronic device. The electronic device comprises a display module, a first optical filter and a fingerprint sensor. The display module comprises a liquid crystal layer anda backlight module which are laminated, the first optical filter is arranged on one side, opposite to the liquid crystal layer, of the backlight module in a stacked mode, and the first optical filteris used for reflecting visible light and transmitting light with a preset wavelength. The fingerprint sensor is arranged on the side, opposite to the backlight module, of the first optical filter andused for sensing the light with the preset wavelength to form fingerprint data. Thus, the first optical filter can reflect the visible light and transmit the light with the preset wavelength so thatthe fingerprint sensor does not sense the visible light and can sense the light with the preset wavelength, imaging quality of the fingerprint sensor according to the light with the preset wavelengthis improved, and fingerprint identification efficiency of the electronic device is increased. In addition, the reflected visible light can penetrate through the liquid crystal layer to improve the display quality of the liquid crystal layer.

The invention relates to a fingerprint angle correction method for a fingerprint lock. The method comprises: a locking bolt mechanism and an actuating mechanism for controlling the closing and openingof a fingerprint lock are used, wherein the locking bolt mechanism comprises a large locking bolt, a small locking bolt, a large supporting body, a small supporting body, a pull tab, a slide block and a brake pad, the large supporting body is used for driving the large locking bolt to move, the head of the large supporting body is a large locking bolt riveting part, a rectangular hole in the middle is used for matching with a hanging lug on the pull tab, an outer step is a clamping groove of the brake pad, and the lower part is of the clamping groove is used for clamping a slide block clamping opening, so that the pull of the slide block is facilitated and is not hindered by the slide block clamping opening when the large supporting body is pushed inward; and a metal lock body is used topackage the locking bolt structure, wherein the metal lock body is embedded in an entrance door and is arranged at one side of a handle of the entrance door. Through the method provided by the invention, the accuracy of fingerprint identification can be improved.

The embodiment of the disclosure relates to a fingerprint collection method and device, which belong to the technical field of fingerprint collection. The method comprises: a finger pressing event reported by a fingerprint sensor chip is received; a contact area reported by the fingerprint sensor chip is obtained, wherein the contact area is a contact area of a contact plane between the finger andthe fingerprint sensor chip; when the contact area does not reach a predetermined area, the contact area reported by the fingerprint sensor chip is obtained at a preset interval; and when the contactarea reaches the preset area, the fingerprint sensor chip is controlled to collect a fingerprint image of the finger. Because the control layer receives the contact area at each time interval, the user can trigger the control layer to receive the contact area only by moving and correcting the finger position on the contact plane, so that the fingerprint identification efficiency is improved.

The invention discloses a light beam excitation type fingerprint recognition system. The light beam excitation type fingerprint recognition system mainly comprises a fingerprint reader, a control chip HV, a fingerprint scanning circuit, an image acquiring unit, an imaging lens, an emitter coupling type asymmetric triggering circuit and a light beam excitation type logic amplification circuit, wherein the control chip HV is arranged in the fingerprint reader; the fingerprint scanning circuit is connected with the control chip HV; the image acquiring unit is connected with the fingerprint scanning circuit; the imaging lens is connected with the image acquiring unit; the emitter coupling type asymmetric triggering circuit is arranged between connection points of the fingerprint scanning circuit and the image acquiring unit; and the light beam excitation type logic amplification circuit is connected with the control chip HV. Because the brand-new emitter coupling type asymmetric triggering circuit is arranged on the fingerprint recognition system, the shortcomings that the performance of the traditional fingerprint reader is unstable, and the traditional fingerprint reader cannot recognize fingerprints with dust or water stain are overcome.

The embodiment of the invention provides a fingerprint recognition method which can improve the fingerprint recognition efficiency. The method comprises the steps that a main processor receives firstfeature data, sent by a coprocessor, of a fingerprint image obtained by processing the fingerprint image of a finger through the coprocessor; and the main processor carries out fingerprint recognitionaccording to the first feature data of the fingerprint image.

The invention discloses a photosensitive module, a fingerprint collection system, a substrate, a driving method and a display device. The photosensitive module includes: a photosensitive element configured to receive an optical signal and convert the optical signal into an electrical signal through photoelectric conversion; a first control unit configured to provide a second reference signal to the first node in response to the first control signal in a first time period; a second control unit configured to output a first current signal in response to a first potential of the first node in a first time period and output a second current signal in response to a second potential of the first node in a third time period; a third control unit configured to output the first current signal in response to the first control signal in a first time period; and the fourth control unit is configured to output the second current signal in response to a second control signal provided by the second control signal end in a third time period. The photosensitive module provided by the invention can shorten the data collection time.