63results about How to "Improve fingerprint recognition rate" patented technology

A finger board for a finger to press including a board layer and a micro-structure layer is disclosed. The board layer has a first refractive index, and has a first board surface and a second board surface opposite to each other. The first board surface is used for the finger to press. The micro-structure layer has a second refractive index different from the first refractive index, and is disposed on the second board surface. Therefore, a light ray emitted from the micro-structure layer to the first board surface can be reflected and scattered on the first board surface, so as to uniformly distribute energy.

The invention provides a fingerprint identification method and a mobile terminal. The method comprises the following steps: if a touch operation on the screen of the mobile terminal is detected, identifying the touch area of the touch operation on the screen of the mobile terminal; if a detection result shows that the mobile terminal is under a state that a fingerprint is to be authenticated, controlling the luminance value of the touch area to be greater than or equal to a first preset luminance value, and controlling the luminance value of the display area except the touch area on the screenof the mobile terminal to be smaller than the first preset luminance value; utilizing a fingerprint identification module to collect and identify the fingerprint information of the touch area. Through the fingerprint identification method provided by the invention, the power consumption of the mobile terminal can be lowered while a high fingerprint identification rate is guaranteed, and the endurance time of the mobile terminal is prolonged.

The invention discloses a judgment method and device for the quality of fingerprint images. The judgment method includes the step of obtaining fingerprint image samples, the step of carrying out learning according to the fingerprint image samples by using an SVM classifier to obtain the optimal classification face, the step of obtaining the images to be judged and calculating histogram of oriented gradient (HOG) characteristics of the fingerprint images, and the step of judging the quality of the fingerprint images according to the HOG characteristics and the optimal classification face. Thus, the quality of the fingerprint images is accurately judged in small size fingerprint acquisition equipment, the work of manually determining and judging threshold values is omitted, good expansion capability is achieved, influences brought by various types of noise can be determined in the judgment mode, judgment can be completed just by inputting required sample types, an excellent effect is exerted in a lot of experiments, and a solid foundation is laid for improving the fingerprint recognition rate and lowering the false acceptance rate.

The invention relates to a fingerprint identification method and device. The method comprises the steps that: a fingerprint image is obtained and the characteristic information of the fingerprint image is extracted; current application environmental information is obtained, and a characteristic threshold corresponding to a fingerprint verification safety level is obtained according to the current application environmental information; the extracted characteristic information and the prestored verification characteristic information are compared, if a comparison result reaches a corresponding characteristic threshold, the fingerprint identification is successful, and if the comparison result does not reach the corresponding characteristic threshold, the fingerprint identification is failed. According to the embodiment of the invention, through obtaining the current application environmental information and obtaining the characteristic threshold corresponding to the fingerprint verification safety level according to the current application environmental information, then carrying out fingerprint identification according to the extracted characteristic information and the corresponding characteristic threshold, thus the fingerprint identification process can be completed according to the characteristic threshold corresponding to the fingerprint verification safety level, and thus the fingerprint identification rate is improved.

The invention relates to the field of optical technology, and provides a focusing device and a focusing method. The focusing device comprises a calibration component, a relay lens component, a focusing component and an image processing component. A calibration assembly for generating light having a calibration pattern; The relay lens assembly is arranged between the calibration assembly and the optical fingerprint module, and the calibration assembly is arranged on the object plane of the relay lens assembly, and the image plane of the relay lens assembly coincides with the object plane of theoptical lens in the optical fingerprint module. The focusing assembly is connected with the optical lens for focusing the optical lens; The image processing module is connected with the optical fingerprint module for analyzing the image of the optical fingerprint module. With the addition of relay lens assembly, the distance between the calibration assembly and the optical lens is greatly increased, and the focusing assembly can precisely focus the position of the optical lens, so that the image can be clearly imaged on the image sensor, and the imaging effect of the optical fingerprint module is effectively improved.

The embodiment of the invention provides a task execution method based on fingerprint, and the method is used for a mobile terminal with a camera and a light source. The method comprises the steps: detecting the first temperature of a region within a first distance to the surface of a lens of the camera; comparing the first temperature with pre-stored second temperature; starting the camera and the light source if the first temperature is higher than the second temperature; obtaining a first fingerprint image collected by the camera; comparing the first fingerprint image with a pre-stored second fingerprint image; and executing a task corresponding to the second fingerprint if the first fingerprint image is matched with the second fingerprint image. The embodiment of the invention also provides the mobile terminal. According to the embodiment of the invention, the camera and the light source are triggered to be started for the photographing of the fingerprint, and a mode of fingerprint photographing is used for fingerprint comparison, thereby achieving the recognition of fingerprint under the condition of wet hands. Moreover, the mode of fingerprint photographing can be used for collecting more complete fingerprint, and improves the fingerprint recognition rate.

An electronic apparatus according to a variety of embodiments of the present invention may comprise: a display panel comprising a display which comprises one or more first pixels, one or more second pixels, and one or more first wires connected to the one or more first pixels and second pixels, and one or more fingerprint sensors which are disposed between the one or more first pixels and one or more second pixels; and a wiring layer comprising one or more second wires connected to the one or more fingerprint sensors by wiring between the layers, A variety of other embodiments are possible.

A fingerprint identification method and related equipment are disclosed, applied to a mobile terminal comprising a touch control screen, a processor and a fingerprint sensor. The touch control screencomprises a fingerprint acquisition area and the fingerprint sensor is arranged below the fingerprint acquisition area. The method comprises the following steps: when detecting a touch operation of afinger on the fingerprint acquisition area, determining a central touch point of the fingerprint acquisition area by the processor; controlling a fingerprint sensor to acquire a signal of the first region to obtain a first fingerprint image of the finger, the center of the first region being a central touch point; cutting the first fingerprint image to obtain a second fingerprint image when the brightness of the environment in which the mobile terminal is currently located is greater than or equal to the preset brightness, wherein the center point of the second fingerprint image is the same asthe center point of the first fingerprint image, and the area of the second fingerprint image is smaller than the area of the first fingerprint image; performing a fingerprint identification operation based on the second fingerprint image. The embodiment of the present application is adopted, the fingerprint identification rate can be improved.

The invention provides a fingerprint template registration method based on sliding type sampling and a fingerprint identification device. The fingerprint template registration method comprises a fingerprint template input process based on sliding type sampling, the process comprises the following screening process of n fingerprint images, and the screening process comprises an initial image selection process, a terminated image selection process and a fingerprint image selection process. According to the invention, the collected fingerprint images are screened; the method has the advantages ofreducing coincident fingerprint images in the registered fingerprint image data processing process, eliminating incomplete pressing fingerprint images, screening the fingerprint images, reducing thedata processing amount in the fingerprint image registration process, improving the data processing efficiency, being beneficial to realizing rapid input of a fingerprint template, and improving the user fingerprint input experience; a sliding and pressing combined sampling mode is adopted, the advantages of the sliding and pressing combined sampling mode are combined, the defects of the sliding and pressing combined sampling mode are overcome through the screening process, and user experience and the fingerprint recognition rate are better improved.

The invention discloses a fingerprint module and a mobile terminal. The fingerprint module comprises a circuit board; a conduction chip which is arranged on the circuit board; a fingerprint identification chip which is arranged on the surface of the side, deviating from the circuit board, of the conduction chip, and a fingerprint identification chip which is electrically connected with the circuitboard through the conduction chip; and a packaging layer which wraps the conduction chip and the fingerprint identification chip. At the moment, the fingerprint identification chip and the conductionchip are stacked, so that most of the area of the fingerprint identification chip can be set as an identification area, the identification area is larger, and the fingerprint identification rate is improved. Besides, after the fingerprint identification chip and the conduction chip are stacked, the distance between the fingerprint identification chip and the surface of the packaging layer is smaller, that is, the thickness of the part, corresponding to the fingerprint identification chip, of the packaging layer is reduced, so that the fingerprint signal can reach the fingerprint identification area more effectively, and the fingerprint identification rate is improved.

The invention relates to an electric power distribution cabinet which comprises a cabinet body, a cabinet door and an electric power parameter monitoring module, a display screen is arranged on the cabinet door, the electric power parameter monitoring module is used for acquiring electric power parameter monitoring information and displaying the electric power parameter monitoring information on the display screen, and the electric power parameter monitoring information is transmitted to a client. The electric power distribution cabinet also comprises a multimedia processor which is used for obtaining audio and video information and displaying the audio and video information on the display screen; a data storage module which is used for storing multimedia audio and video files and the electric power parameter monitoring information; an audio playing module which is used for playing multimedia audio information; a wireless communication module which is used for data transmission betweena controller and the client; and the controller which is in communication connection with the display screen, the power parameter monitoring module, the multimedia processor, the audio playing module, the wireless communication module and the data storage module. According to the invention, the electric power distribution cabinet and a multimedia image are organically combined, the playing content and state of the multimedia image can be remotely controlled, and the additional value of the product is improved; and the safety of the electric power distribution cabinet is improved through the remote monitoring of the power parameters of the electric power distribution cabinet.

The invention provides a display method, electronic equipment and a computer readable storage medium, and the method comprises the steps: determining a current application scene under the condition that an input for triggering the display of a fingerprint icon is received; determining a target light spot according to the target parameter of the application scene; wherein the target light spots corresponding to different target parameters respectively have different proportions of a red light component, a green light component and a blue light component; and displaying a fingerprint icon formedby the target light spot. In the above method, the target light spots with the most suitable red light component, green light component and blue light component proportions are selected according tothe target parameters of the application scene, so that the target light spots meet different requirements of different application scenes on the fingerprint recognition rate and the influence degreeon the service life of the screen, the service life of the screen is prolonged, and the fingerprint recognition rate of the fingerprint icon is improved.

The invention discloses a fingerprint scanning device and method. The fingerprint scanning device comprises a support and further comprises a processor. The support is provided with a fingerprint recognition region, and a fingerprint scanning sensor is arranged below the fingerprint recognition region. A stepping motor is arranged to drive the fingerprint scanning sensor to move back and forth below the fingerprint recognition region. The processor is used for driving the stepping motor to rotate, controlling the fingerprint scanning sensor to collect fingerprint information and judging whether the acquired fingerprint information meets administrator identity or not. Due to the fact that the stepping motor is adopted for driving the fingerprint scanning sensor to move, a user only needs to place one finger in the fingerprint recognition region, the stepping motor drives the fingerprint scanning sensor to rotate at a constant speed, and therefore a fingerprint is scanned in a finger fixing mode, the fingerprint recognition rate is increased, meanwhile, user operation is simplified, the user only needs to place the finger in the fingerprint recognition region, the device automatically conducts fingerprint scanning work, and user experience is improved.

The invention provides a fingerprint processing method and electronic equipment, and the method comprises the steps: determining a pressing region of a user finger when a fingerprint collection request is detected; determining a signal receiving area of the fingerprint sensing module according to the pressing area; receiving a fingerprint detection signal through the signal receiving area; the fingerprint sensing module collecting a specific angle signal in the fingerprint detection signal and shielding a non-specific angle signal, forming a fingerprint image through processing; wherein the fingerprint detection signal is formed by entering a finger of a user through an initial detection signal and emitting the initial detection signal through an area where the finger is in contact with the electronic device, the specific angle signal is formed by emitting a fingerprint ridge area, and the non-specific angle signal is formed by emitting a fingerprint valley area. The fingerprint sensing module only collects the signal of the fingerprint ridge area, so that the information of the fingerprint ridge can still be accurately identified under the condition that the difference between the semaphore of the fingerprint ridge area and the semaphore of the valley area is small, and the fingerprint identification rate is improved.

An epoxy resin composition for encapsulating a semiconductor device, of the present invention, comprises an epoxy resin, a curing agent, inorganic filler and an explosion preventer, wherein the inorganic filler comprises a first inorganic filler including barium-titanium-yttrium oxide represented by chemical formula 1.

The invention discloses a fingerprint recognition method based on multiple reference nodes, and the method comprises the steps: carrying out the refining of a fingerprint pattern, extracting a plurality of detail points A at the edge of a fingerprint image and a plurality of detail points B in a central region, taking the detail points A as the center to carry out the arrangement of a sampling line, and obtaining discrete pattern information; storing the detail points B in the central region of the image, the detail points A at the edge and the collected discrete pattern information in a multi-reference-node fingerprint template; and carrying out the matching recognition through the collected detail points B in the central region of the image, the collected detail points A at the edge and the corresponding discrete pattern information during fingerprint matching. The arrangement of the sampling lines is suitable for a condition that the superposing area is smaller during fingerprint comparison, and enables the interference caused by an error to be reduced. The method reduces the quantity of pattern information, and prevents the template from being excessively increased. The stored pattern information is the relative value of the detail points at the edge, and avoids the unnecessary calculation in matching.

The invention discloses a fingerprint machine shell. The fingerprint machine shell comprises a keyboard panel (1) and further comprises a side panel (3), a water suction cushion (4) and a light baffling block (5), wherein the side panel (3) is fixedly connected with one end of the keyboard panel (1); the side panel (3) is further provided with a fingerprint reading block mounting hole (2); the water suction cushion (4) is fixedly connected with the side panel (3) or the keyboard panel (1); the light baffling block (5) is fixedly connected with the side panel (3); the light baffling block (5) is arranged adjacent to the fingerprint reading block mounting hole (2). According to the fingerprint machine shell disclosed by the invention, the water suction cushion is used for obtaining water when fingers of people to be subjected to identity recognition or attendance recording are dried so as to be good for improving the fingerprint recognition efficiency and the fingerprint accurate recognition rate; the arranged light baffling block can eliminate the influences on the sensitivity of a fingerprint reading photoelectric module by external lights, so as to be good for improving the working efficiency and the fingerprint recognition rate of a fingerprint machine; meanwhile, the fingerprint machine shell disclosed by the invention is simple in structure and easy to manufacture and improve.

The invention relates to a fingerprint recognition module, a display module and a display terminal. The fingerprint recognition module comprises a first substrate, a capacitance sensing layer, a second substrate and an anti-static layer. The capacitive sensing layer at least partially covers the surface of the first substrate. The capacitance sensing layer comprises a plurality of capacitance poleplates arranged in an array mode. The second substrate is arranged on the side, away from the first substrate, of the capacitance sensing layer. And the anti-static layer covers one side, far away from the capacitance sensing layer, of the second substrate and is used for being in contact with surface tissues of a human body. The capacitance sensing layer is clamped between the first substrate and the second substrate, so that the whole cover plate can easily realize a higher fingerprint recognition rate under the condition that the strength of the whole cover plate is enough. Meanwhile, thestatic electricity brought by human body surface layer tissues is isolated through the anti-static layer, and the problem that the capacitance sensing layer is out of order and even a circuit is burntout due to the influence of the static electricity is prevented.

The invention relates to a fingerprint recognition method for improving a fingerprint recognition rate and a fingerprint recognition chip. On the basis of a fingerprint matching standard, performing aglobal verification process on the fingerprint samples which are not matched, and on the basis of a fingerprint matching sub-standard, finding out matched fingerprint templates and splicing the matched fingerprint templates into a global fingerprint template; and comparing the fingerprint sample with the global fingerprint template based on a fingerprint matching standard. The overlapping area ofthe fingerprint sample and the global fingerprint template is increased, the comparison and matching success rate is improved, the fingerprint recognition rate is increased, the FRR performance and the FAR performance are improved, and especially for a fingerprint recognition chip adopting a small-area fingerprint collection sensor, the fingerprint recognition unlocking experience effect is improved.