Abstract: A fingerprint image recognition method is provided. The method includes: acquiring a target image from a captured texture image; acquiring a target shape feature corresponding to the target image, the target shape feature being configured to represent a shape feature of the target image; and when the target shape feature matches with a preset finger shape feature, determining to perform a fingerprint recognition on the texture image. Also provided in the present invention are a fingerprint image recognition apparatus and a terminal.

Abstract: Embodiments of the present disclosure provide a control method for enrolling face template data and related products. The control method includes: controlling a face image collection device to capture a face image and generate face template data; acquiring via the face recognition service a dynamic check token sent by the face recognition trusted application; sending a face template enrolling command carrying the dynamic check token and the face template data to the face recognition trusted application via the face recognition service; and verifying the dynamic check token in the face template enrolling command is valid and storing the face template data in the security system via the face recognition trusted application.

Abstract: A face recognition method and related products are provided. The method includes: acquiring face feature data of a face image of a current user via the face recognition service in response to detecting a face recognition request for a target event; sending the face feature data to the face recognition trusted application via the face recognition service; matching the face feature data with a face template in a face template set of the security system via the face recognition trusted application so as to generate a matching result; and processing the target event according to the matching result.

Abstract: A method and an apparatus for fingerprint collection are provided. The method includes the following. A damaged sensing unit among a plurality of sensing units of a fingerprint sensor is determined. A fingerprint image is collected with the plurality of sensing units when a fingerprint collection event is detected, and a fingerprint image value collected by the damaged sensing unit is set to a random image value to form a fingerprint image collected by the fingerprint sensor. The fingerprint image value collected by the damaged sensing unit is set to the random image value as follows. The random image value is generated by selecting a preset random-image-value generating scheme according to a distribution of the damaged sensing unit.

Abstract: The present disclosure provides a method and an apparatus for controlling a serial peripheral interface of a fingerprint sensor, and a mobile terminal. The method includes: detecting a fingerprint signal via a fingerprint sensor; and when the fingerprint signal is detected, opening the serial peripheral interface of the fingerprint sensor.

Abstract: Embodiments of the present disclosure provide unlocking control methods and related produces. The method includes the following. A face image is collected. A first operation and a second operation are performed in parallel. The first operation is configured to detect whether the face image is a real face image. The second operation is configured to extract feature data of the face image. The feature data of the face image is matched with feature data of a preset face template when the feature data of the face image is extracted and the face image is detected to be the real face image. An unlocking operation is performed when the feature data of the face image is matched with the feature data of the preset face template.

Abstract: A method and an apparatus for invoking a fingerprint identification device are provided. The method includes the following. When a request of a current application to invoke a fingerprint identification device is detected, whether the fingerprint identification device is occupied by a historical application is determined. When the fingerprint identification device is occupied by the historical application, whether the current application meets a preset invoking condition is determined, and then the fingerprint identification device is controlled to process the request of the current application according to the determination result.

Abstract: The present disclosure provides a method and an apparatus for controlling a serial peripheral interface of a fingerprint sensor, and a mobile terminal. The method includes: detecting a fingerprint signal via a fingerprint sensor; and when the fingerprint signal is detected, opening the serial peripheral interface of the fingerprint sensor.

Abstract: A method and an apparatus for invoking a fingerprint identification device are provided. The method includes the following. When a request of a current application to invoke a fingerprint identification device is detected, whether the fingerprint identification device is occupied by a historical application is determined. When the fingerprint identification device is occupied by the historical application, whether the current application meets a preset invoking condition is determined, and then the fingerprint identification device is controlled to process the request of the current application according to the determination result.

Abstract: A method and an apparatus for determining existence of a foreign material on a surface of a fingerprint sensor of a terminal are provided. The method includes the following. A current capacitance value of the fingerprint sensor of the terminal is obtained. A first difference between the current capacitance value and a preset capacitance reference value is calculated. Determine that the foreign material is present on the surface of the fingerprint sensor when the first difference is within a preset foreign-material threshold range. The preset capacitance reference value is a capacitance value tested with no foreign material on the surface of the fingerprint sensor before leaving the factory and is stored in a system in advance. The preset foreign-material threshold range is set in advance according to experimental data of capacitance-change tests performed on the fingerprint sensor when different conductive foreign materials are on the surface of the fingerprint sensor.

Abstract: A fingerprint image recognition method is provided. The method includes: acquiring a target image from a captured texture image; acquiring target shape features corresponding to the target image, the target shape feature being configured to represent a shape feature of the target image; and when the target shape features matches with a preset finger shape feature, determining to perform a fingerprint recognition on the texture image. Also provided in the present invention are a fingerprint image recognition apparatus and a terminal.

Abstract: A fingerprint enrolling method, a fingerprint enrolling apparatus, and a terminal device are provided. The method includes the following operations. Whether an image-quality fluctuation amplitude of fingerprint images of a user exceeds a preset image-quality fluctuation threshold or image-quality fluctuation threshold range is determined according to image quality of a current fingerprint image of the user currently acquired and image quality of a historical fingerprint image of the user previously acquired. The current fingerprint image is enrolled into a fingerprint database based on a determination that the image-quality fluctuation amplitude does not exceed the image-quality fluctuation threshold or the image-quality fluctuation threshold range.

Abstract: A fingerprint collecting method, an apparatus, and a terminal are provided. The method includes the following. A damaged sensing unit among a plurality of sensing units contained in a fingerprint sensor is determined. When a fingerprint collecting event is detected, the plurality of sensing units is used to collect a fingerprint image, and a fingerprint image value collected by the damaged sensing unit is set to a random image value to form a fingerprint image collected by the fingerprint sensor.

Abstract: A method and an apparatus for invoking a fingerprint identification device are provided. The method includes the following. When a request of a current application to invoke a fingerprint identification device is detected, whether the fingerprint identification device is occupied by a historical application is determined. When the fingerprint identification device is occupied by the historical application, whether the current application meets a preset invoking condition is determined, and then the fingerprint identification device is controlled to process the request of the current application according to the determination result.

Abstract: A method and an apparatus for determining existence of a foreign material on a surface of a fingerprint sensor, and a terminal are provided. The method includes the following. A current capacitance value of the fingerprint sensor of the terminal is obtained. A first difference between the current capacitance value and a preset capacitance reference value is calculated. Determine that the foreign material is present on the surface of the fingerprint sensor when the first difference is within a preset foreign-material threshold range.

Abstract: A method and device for eliminating noise, and a mobile terminal. The method comprises: extracting, from the voice of a talker, an audio fingerprint of the talker voice in advance (101); and when the talker talks with an opposite listener, according to the audio fingerprint of the talker, extracting a voice which matches the audio fingerprint from the current talking voice, and sending to the opposite listener the voice which matches the audio fingerprint through a communication network (102).

Abstract: Process for preparing a two layer metal palladium or palladium alloy composite membrane consisting of a porous substrate support and a palladium or palladium alloy membrane by rinsing/washing and drying the porous substrate support, treating the porous substrate support with a pore filler in order to decorate the pores of the support and the disfigurements of the substrate surface, sensitizing and activating with a palladium solution the decorated substrate support, and plating the resulting support with a palladium solution to form the two layer composite membrane, drying. The resulting composite membrane is subjected to a post-processing where the pore fillers residing in the pore-channels of the porous substrate are partly removed or reduced in volume through heating.

Abstract: The present invention relates to a metal palladium composite membrane or an alloy palladium composite membrane in which essentially the metal palladium membrane or alloy palladium membrane exists substantially on the outer surface of the porous substrate support, with little or no presence in the pore channels of the support, and to process for its preparation. The process comprises the steps of treating the porous substrate with a pore filler before plating it with a palladium solution to form the composite membrane.