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 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 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 embodiment of the application discloses a fingerprint identification method and related products, which are applied to an electronic device. A plurality of fingerprint template libraries are stored in the electronic device in advance, each fingerprint template library comprises at least one fingerprint template image, and each fingerprint template library corresponds to a temperature range. The method includes: acquiring a first fingerprint image; when the first fingerprint image is successfully identified by a fingerprint, comparing the first fingerprint image with the plurality of fingerprint template libraries to obtain a plurality of comparison values; selecting a target comparison value from that plurality of comparison values, and storing the first fingerprint image in a target fingerprint template library corresponding to the target comparison value, and the target fingerprint template library is one fingerprint template library of the plurality of fingerprint template libraries. As that embodiment of the present application is adopted, the fingerprint identification efficiency can be improve for various ambient temperatures.

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 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 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 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.