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 method for iris recognition performed by related products includes the following. An iris recognition assembly of the terminal device acquires a first iris image. Thereafter, a processor removes a target eyelash image from the first iris image according to an eyelash image template stored in a memory to obtain a second iris image, and utilizes the second iris image to carry out iris recognition.

Abstract: Disclosed in embodiments of the present disclosure is a system for controlling a laser projector, a laser projector assembly, a terminal, a method for controlling a laser projector, a method for controlling a laser light output, a device for controlling a laser light output and a computer readable storage medium. The system includes a first drive circuit coupled to the laser projector. The first drive circuit is configured to output an electrical signal to drive the laser projector to project laser light and to turn off the laser projector when a duration of outputting the electrical signal is greater than or equal to a preset threshold.

Abstract: The present disclosure provides a detection method of a projector, a projector, and an electronic device. The method includes: obtaining a speckle pattern, the speckle pattern being an image generated by irradiating laser light generated by a light source in the projector onto an object by an optical element; and performing an abnormality detection on the projector according to the speckle pattern.

Abstract: The present disclosure provides a method and an apparatus for controlling image capturing, and an electronic device. The method includes: a second processing unit controlling a second camera to collect a second image according to a data obtaining request and sending an image collection instruction to a first processing unit in response to receiving the data obtaining request; the second processing unit obtaining exposure time periods of the first camera and the second camera in response to receiving a synchronization signal sent by the second camera; the second processing unit calculating a delay time period according to the exposure time periods; the second processing unit forwarding the synchronization signal to the first camera in response to a time period of receiving the synchronization signal reaching the delay time period; and the first processing unit processing the first image, and sending the processed first image to the second processing unit.

Abstract: A method for processing an image, a non-transitory computer readable storage medium and an electronic device are provided. The method includes: in response to detecting an image capturing instruction, determining a security of an application operation corresponding to the image capturing instruction; and capturing an image corresponding to a determination result based on the determination result.

Abstract: The present disclosure provides an image processing method, an image processing apparatus, a computer readable storage medium, and an electronic device. The method includes: in response to detecting that a camera component is turned on, controlling the camera component to collect a speckle image, the speckle image being an image formed by illuminating an object with laser speckles; detecting a target temperature of the camera component, and acquiring a corresponding reference image based on the target temperature, the reference image being an image with reference depth information and collected when calibrating the camera component; and calculating based on the speckle image and the reference image to acquire a depth image.

Abstract: A method for processing an image is provided. The method includes: sending, by an application, an image capturing instruction to a camera driver, the image capturing instruction carrying a type identifier and the type identifier being configured to represent a type of a target image to be captured by the application; turning on, by the camera driver, a camera based on the image capturing instruction; generating, by the camera driver, a control instruction based on the type identifier and sending the control instruction to a processing unit; turning on, by the processing unit, a corresponding light emitter based on the type identifier carried in the control instruction; and capturing, by the camera, the target image of an object illuminated by the light emitter.

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: The present invention relates to a method and a system of commissioning elevator, and an elevator system. The method includes obtaining at least one operation data of at least one elevator door, comparing the operation data with corresponding criterion operation data, and determining whether a deviation between the operation data and the criterion operation data exceeds a pre-set range, and if so, triggering a control over at least one control end relevant to the operation of the elevator door to make a deviation between the operation data re-obtained and the criterion operation data fall within the pre-set range. The invention will increase the efficiency in elevator commissioning and remove the adverse effects on elevator operation caused by factors such as “Stack Effect”, and thereby ensure good working condition and high security of elevators.

Abstract: The present disclosure provides a security control method and device of an application, and an electronic device. The method includes: determining whether running information of the application meets a preset security control condition; calling a preset service if the running information of the application meets the preset security control condition, the preset service being configured to enable the application to run in a trusted execution environment; and executing an authentication service corresponding to the running information of the application in the trusted execution environment.

Abstract: A camera calibration method, a camera calibration apparatus (300), an electronic device and a computer-readable storage medium are provided. The camera calibration method includes the following steps. At (202), a target infrared image and a Red/Green/Blue (RGB) image obtained by capturing the same scene by an infrared camera and an RGB camera are acquired when the image definition is lower than a definition threshold. At (204), feature points in the target infrared image are extracted to obtain a first feature point set, feature points in the RGB image are extracted to obtain a second feature point set, and the first feature point set and the second feature point set are subjected to matching. At (206), a transformation relation between a coordinate system of the infrared camera and a coordinate system of the RGB camera is acquired according to the matched feature points.

Abstract: An image processing method, an image processing apparatus (700), an electronic device (10) and a computer-readable storage medium are provided. The image processing method includes: a temperature of a light emitter is detected (202); in condition that a temperature difference between a present temperature of the light emitter and an initial temperature exceeds a threshold, a target parameter is acquired (204); and a predetermined operation is performed according to the target parameter (206).

Abstract: A method and a device for processing an image, an electronic device and a computer readable storage medium are provided. The method includes: obtaining an image capturing instruction; capturing an infrared image and an RGB image based on the image capturing instruction, extracting a first feature of the infrared image and extracting a second feature of the RGB image; and performing an alignment operation based on the first feature and the second feature.

Abstract: A control system (100) for a structured light projector (200) and an electronic device (1000) are provided. The control system (100) includes a first driving circuit (10) and an application processor (40). The first driving circuit (10) is connected with the structured light projector (200), and is configured to drive the structured light projector (200) to project laser. The application processor (40) is configured to control the first driving circuit (10) to be switched on and switched off based on a detection signal.

Abstract: A method for allocating memory resources and a terminal device are provided. The method is applied to the terminal device. The terminal device includes a rich execution environment (REE) and a fingerprint trust application (TA). The method includes the following. In response to a request for memory resources from the fingerprint TA, the REE obtains N values of memory resources requested at N time points within a preset period by the fingerprint TA, where each of the N values of memory resources is in one-to-one correspondence with one of the N time points and N represents an integer larger than 1. The REE determines a target value of memory resources according to the N values of memory resources, and allocates memory resources equal in value to the target value of memory resources for the fingerprint TA.

Abstract: A control method is provided. The control method includes that: brightness of a scene is acquired; light emission power of a structured light projector is determined based on the brightness of the scene; and the structured light projector is controlled to emit light at the light emission power. A control device and a computer device are also provided.

Abstract: A method for fingerprint enrollment, a terminal, and a non-transitory computer readable storage medium are provided. The method includes the following. An enrolled fingerprint image is acquired. The enrolled fingerprint image is compared with a preset fingerprint template. Fingerprint ID of the preset fingerprint template is determined as fingerprint ID of the enrolled fingerprint image when the enrolled fingerprint image matches the preset fingerprint template. New fingerprint ID is generated as the fingerprint ID of the enrolled fingerprint image when the enrolled fingerprint image fails to match the preset fingerprint template.

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: An image processing method and device, a computer-readable storage medium and an electronic device are provided. The method includes that: a target infrared image and a target depth image are acquired, and face detection is performed according to the target infrared image to determine a target face region, here, the target depth image is used to represent depth information corresponding to the target infrared image; a target face attribute parameter corresponding to the target face region is acquired, and face matching processing is performed on the target face region according to the target face attribute parameter; responsive to that face matching succeeds, liveness detection processing is performed on the target face region according to the target depth image to obtain a liveness detection result; and a face verification result is obtained according to the liveness detection result.