Shanghai Harvest Intelligence Technology Co., Ltd.

Other

Fengjun Gu

Sheng Feng

Tianyang Wang

Fei Wang

Jiandong Huang

Xueke Hu

A fingerprint identification apparatus, comprising: a nonopaque nonopaque glass cover plate, a display unit, an optical film, an imaging unit, and a photoelectric sensing unit, wherein the nonopaque glass cover plate has a touch interface for contacting a to-be-identified fingerprint; the display unit is provided with a plurality of pixels, a part of the plurality of pixels form one or more point light source regions; the optical film is provided with a light-transmitting region allowing light to pass through the optical film and a light-blocking region configured for preventing light from passing through the optical film; light emitted from one or more point light source region is reflected by an upper surface of the nonopaque cover glass, the reflected light passes through the nonopaque cover glass, the display unit, and the light-transmitting region of the optical film, and is imaged by the imaging unit onto the photoelectric sensing unit.

Fingerprint identification method and apparatus, storage medium and terminal

Fingerprint encryption method and device, fingerprint decryption method and device, storage medium and terminal are provided. The fingerprint encryption method includes: acquiring a fingerprint image; dividing the fingerprint image into a plurality of block images according to a preset window, wherein a size of the block image is the same with a size of the preset window; determining identifiers of the plurality of block images, wherein the identifiers of the plurality of block images have a first preset order; and determining, according to the identifiers of the plurality of block images and a received encryption order, a plurality of encrypted block images to obtain an encrypted fingerprint image. Security of fingerprint storage or fingerprint transmission is enhanced.

Fingerprint encryption method and device, fingerprint decryption method and device, storage medium and terminal

The present disclosure provides a fingerprint identification method and apparatus, a storage medium, and a terminal. The fingerprint identification method includes: collecting a to-be-identified fingerprint image of a to-be-identified fingerprint; identifying whether the to-be-identified fingerprint belongs to a first type of fingerprint; calculating an image correlation between the to-be-identified fingerprint image and a standard fingerprint image, when it's determined that the to-be-identified fingerprint belongs to the first type of fingerprint; calculating a feature point matching result between the to-be-identified fingerprint image and the standard fingerprint image when it's determined that the to-be-identified fingerprint does not belong to the first type of fingerprint; and determining whether the to-be-identified fingerprint is consistent with the standard fingerprint; wherein the standard fingerprint image is a fingerprint image collected from a standard fingerprint. The solution provided by the present disclosure can effectively improve the accuracy of fingerprint identification.

The present disclosure provides a light detection apparatus and application thereof. The apparatus includes: a nonopaque cover plate, a display, and a photosensor, and further including a processor configured to transmit a display driving signal to the display when the apparatus detects a touch signal on the apparatus; wherein the display includes a plurality of display pixels configured to emit an optical signal when receiving the display driving signal transmitted by the processor, and the optical signal is reflected on an upper surface of the nonopaque cover plate to form a reflected optical signal; and wherein the reflected optical signal is received by the photosensor. By some embodiments of the present disclosure, obtained physiological feature information can be more accurate and identification precision can be effectively improved.

Light detection apparatus and application thereof

The present disclosure provides a module structure, including: a middle frame having a first surface, wherein a groove is disposed in the middle frame and has an opening on the first surface; a sensing module, wherein at least a partial of the sensing module is disposed in the groove; a display unit, disposed on the first surface of the middle frame and the sensing module; a first dielectric layer disposed between the sensing module and the display unit; a second dielectric layer disposed between the sensing module and a bottom of the groove; and a third dielectric layer disposed between the first surface of the middle frame and the display unit. With the first dielectric layer, when any one of the sensing module or the display unit is damaged in a testing process, the other one can be recovered, thereby reducing the cost and loss.

Module structure

A method, storage media and device for biometric identification driving is provided. The method for biometric identification driving includes the steps. First, a touch action of a living organism is detected on a screen. Next, a position information of the touch action is obtained on the screen. Next, a scanning data of a corresponding biometric scanning unit of the screen is obtained according to the position information of the touch action on the screen. the above technical solution could effectively utilize existing screen detection mechanisms. Pre-detection steps is performed before detecting a fingerprint. A relative position of the fingerprint on the screen is obtained according to the existing screen detection mechanism. Thus, the biometric scanning unit or a fingerprint scanning unit detected by the relative position is effective. Finally, an effective scanning result of the biometric scanning unit is obtained.

Method, storage media and device for biometric identification driving

An image capturing apparatus and an electronic device are provided. The image capturing apparatus includes: a light-transmitting cover plate, a light source component, a sensor component, and a lens disposed between the light source component and the sensor component. A preset angle is formed between a central axis of the lens and a normal of the light source component. A light generated by the light source component is transmitted through the light-transmitting cover plate, and then is scattered by the object to be captured, and the scattered light is focused by the lens to the sensor component. The light source component is disposed outside of a depth of field of the lens, and the object to be captured is disposed within the depth of field of the lens.

Image capturing apparatus and electronic device

A signal conversion circuit and a signal readout circuit are provided. The signal conversion circuit includes: an operational amplifier, configured to amplify an electric signal output by a sensing array; an input switched capacitor, wherein an end of the input switched capacitor is configured to receive the electric signal output by the sensing array, and another end of the input switched capacitor is coupled with an input end of the operational amplifier; and a feedback switched capacitor, wherein an end of the feedback switched capacitor is coupled with the input end of the operational amplifier, and another end of the feedback switched capacitor is coupled with an output end of the operational amplifier.

Signal conversion circuit and signal readout circuit

The present disclosure provides a fingerprint identification method and apparatus, a storage medium, and a terminal. The fingerprint identification method includes: collecting a to-be-identified fingerprint image of a to-be-identified fingerprint; calculating an image correlation between the to-be-identified fingerprint image and a standard fingerprint image, wherein the standard fingerprint image is a fingerprint image collected from a standard fingerprint; and determining whether the to-be-identified fingerprint is consistent with the standard fingerprint according to the image correlation. The solution provided by the present disclosure can effectively improve the accuracy of fingerprint identification.

A method for determining an imaging ratio of a curved panel is provided, wherein a first surface of the curved panel is placed with a to-be-imaged object thereon, an image capturing device is disposed on a second surface opposite to the first surface in a thickness direction of the curved panel, the image capturing device is configured to capture an image of the to-be-imaged object being imaged by the curved panel, and the method comprises: obtaining a thickness of the curved panel and a curvature radius of the first surface of the curved panel; and calculating the imaging ratio of the curved panel for the to-be-imaged object according to the obtained thickness and curvature radius. Therefore, the captured image is corrected according to the imaging ratio, thereby capturing an image that is close to an actual size of the to-be-imaged object.

Method for determining imaging ratio of curved display, storage medium and electronic device

A method and an apparatus for fingerprint collection are provided. The method includes: lighting up pixels of a plurality of light source regions on a display panel according to a preset timing sequence, where each light source region includes one or more pixels, all the light source regions are simultaneously lighted up during a first time period and none of light source regions is lighted up during a second time period; controlling a photoelectric sensing module to collect first and second optical signals respectively in the first and second time periods, the first optical signal including a reflected light signal formed by reflecting, with a light-transmissive cover plate, light from the light source regions; correcting the collected first optical signal based on the second optical signal, where the display panel and the photoelectric sensing module are disposed at a same side of the light-transmissive cover plate.

Method and apparatus for fingerprint collection

A fingerprint identification method and apparatus, a storage medium and a terminal are provided. The fingerprint identification apparatus includes a glass cover plate, a touch sensing unit, a display unit, an optical film, an imaging unit, a photoelectric sensing unit, and a control unit. The optical film is provided with multiple light-transmitting regions and multiple light-blocking regions, the multiple light-blocking regions are used for blocking light emitted from at least a part of pixels that directly enters the optical film without being reflected by the glass cover plate or the to-be-identified fingerprint. With the fingerprint identification apparatus, a sharp image of a to-be-identified fingerprint (whether or not the to-be-identified fingerprint is from a dry finger) is collected, and a signal-to-noise ratio and an accuracy of fingerprint identification can be significantly improved.

The image capturing device under the screen and the electronic equipment including a nonopaque cover plate, a light source module, and a photosensor module are provided. The nonopaque cover plate, the light source module, and the photosensor module are sequentially arranged from top to bottom. The nonopaque cover plate is provided with nonopaque area, the light source module includes a plurality of light sources arranged in an array, the photosensor module comprises a plurality of discrete photosensors. The light emitted from each light source toward the nonopaque area is reflected by the nonopaque cover plate and received by one photosensor in the photosensor module. By the above-mentioned scheme, the biometric information on the nonopaque area that is outside the projection range of the photoelectric sensor can also be obtained by the photosensors, effectively increasing the imaging area of the photosensors, effectively reducing the area of the photosensors required to detect the same image information, preventing from occupying too much space under the screen, and saving hardware costs.

Image capturing device under screen and electronic equipment

A signal conversion circuit and a signal readout circuit are provided. The signal conversion circuit includes: an input switched capacitor, one end receiving an electric signal output by a sensing array, and the other end being coupled to an input end of an operational amplifier; a feedback switched capacitor, one end being coupled to the input end of the operational amplifier, and the other end being coupled to an output end of the operational amplifier; an input switch controlling the input switched capacitor to access the signal conversion circuit or not; and a feedback switch controlling the feedback switched capacitor to access the signal conversion circuit or not, wherein the electric signal output by the sensing array comprises a charge signal, a current signal or a voltage signal, and equivalent impedance of the input switched capacitor and the feedback switched capacitor is related to output characteristics of the sensing array.

Growing community of inventors

Shanghai, China

Fengjun Gu