Abstract: An article searching method includes: receiving a search task for searching for an article to be searched; acquiring, based on the search task, a three dimensional model corresponding to the article to be searched; determining a search task group for searching for the article to be searched; and searching for the article to be searched based on the acquired three dimensional model and in combination with the search task group, wherein the search task group shares a search result in the process of searching for the article to be searched.

Abstract: A Guest Operating System wake-up method, device, electronic apparatus, and a computer readable medium, which are applicable to an intelligent terminal, the intelligent terminal includes a Host Operating System and at least one Guest Operating System is provided. The method includes: determining an operating mode of the Guest Operating System after obtaining network data having the Guest Operating System as its destination address, wherein the operating mode is a suspended mode or an active mode; generating a wake-up request when the operating mode of the Guest Operating System is the suspended mode; and enabling the Guest Operating System to enter into the active mode according to the wake-up request so as to respond to the network data. The Guest Operating System enables accurate and efficient responses to network data transmission in the multi-system environment, thereby reducing reduce resource consumption and enhance user experience.

Abstract: A method for managing a multi-system shared memory includes: upon receiving a data write instruction for writing data to the shared memory, acquiring a data size of to-be-written data that is to be written to the shared memory; judging whether the shared memory includes a data block that matches the data size and is idle; if the shared memory does not include the data block that matches the data size and is idle, acquiring a first data block that has a memory size greater than the data size and is idle, such that the to-be-written data is written to the first data block; acquiring a remaining idle space of the first data block after the to-be-written data is written to the first data block; and generating a new data block based on the remaining idle space.

Abstract: The embodiment of the present disclosure provides an image identification system and an image identification method, and relates to the field of identification technology for improving the classification accuracy of the existing image classification model.

Abstract: The present disclosure provides a frequency selection method, a random access method, and an apparatus. The method comprises: determining a first band set, the first band set comprising at least one first working band supported by a network side device, and the first working band comprising at least one uplink frequency range and at least one downlink frequency range; and broadcasting the first band set, so that the terminal determines, according to the first band set, the at least one uplink frequency range and the at least one downlink frequency range comprised in the first working band supported by the network side device.

Abstract: A display method for use in multi-operating systems includes: in a host operating system, allocating a native window to each guest operating system; in the guest operating system, requesting a physical continuous memory (PCM) sub-region corresponding to a window from the host operating system when the window is newly created; in the host operating system, allocating the PCM sub-region to the guest operating system; in the guest operating system, storing rendered data to the PCM sub-region when the newly created window is rendered; and in the host operating system, rendering the native window corresponding to the guest operating system based on the data in the PCM sub-region when a display request from the guest operating system is monitored, and in the host operating system, displaying the native window.

Abstract: A method for managing kernel configuration information in a multi-operating system (OS) electronic apparatus includes: monitoring whether a present system state of a guest operating system changes; and synchronizing the first kernel configuration information in a kernel of the guest operating system to the second kernel configuration information in a kernel of the host operating system if the guest operating system switches from a foreground state to a background state, or synchronizing the second kernel configuration information in a kernel of the host operating system to the first kernel configuration information in a kernel of the guest operating system if the guest operating system switches from a background state to a foreground state. A kernel configuration information management device having functional modules and an electronic apparatus including the kernel configuration information management device can implement the method.

Abstract: A power management method and device for a multi-operating system (OS) electronic apparatus can employ a host OS including first power attribute files, each including a power pack name and a power attribute name. A guest OS includes second power attribute files, each including a pack name code and an attribute name code corresponding respectively to a power pack name and a power attribute name in each first power attribute file. When any second power attribute file is called, a pack name code and an attribute name code corresponding thereto are decoded in the guest OS to obtain a called power pack name and a called power attribute name, which are then sent to the host OS. The host OS then provides the corresponding first power attribute file to the guest OS. The invalidity risk of any power attribute file in the multi-OS electronic apparatus can therefore be reduced.

Abstract: A substance detection method and apparatus, and a detection device are provided. The method includes: obtaining spectral information and image information of a substance to be detected; performing image recognition according to the image information to obtain appearance state information of the substance to be detected; determining a sub-database matching the appearance state information in a preset spectral database according to the appearance state information, wherein the spectral database includes a plurality of sub-databases classified according to the appearance state of the substance; and matching the spectral information with the obtained spectral information in the sub-database to obtain a detection result of the substance to be detected.

Abstract: The present disclosure provides a random access method and apparatus. The method comprises: receiving random access resource selection criterion information and random access resource information broadcasted by a network side device; determining, from the random access resource information, target random access resource information corresponding to the random access resource selection criterion information; and initiating a random access request to the network side device according to the target random access resource information.

Abstract: The present disclosure provides a screen-shooting method and device for a guest operating system in a computer apparatus. The computer apparatus has a host operating system, and a guest operating system is displayed through a display window on the host operating system and assigned to the guest operating system. The method comprises: receiving a screen-shooting request from the guest operating system; looking up a layer corresponding to the display window on the host operating system and assigned to the guest operating system; and transmitting the layer to the guest operating system as the displayed guest operating system screenshot. Embodiments of the present disclosure make the screen-shooting for the guest operating system faster in an environment in which a plurality of operating systems are running simultaneously.

Abstract: The present disclosure relates to a display resource scheduling method and device for an embedded system, a computer readable storage medium and an electronic device. The embodiment of the present disclosure provides a display resource scheduling method for an embedded system, at least a host operating system and a first guest operating system running on the embedded system, and the embedded system including a graphics processing unit and a display-specific hardware accelerator. The method includes: receiving a graphic to be displayed of the first guest operating system; preferentially scheduling the display-specific hardware accelerator to perform a display operation on the graphic to be displayed; if resources of the display-specific hardware accelerator are exhausted, scheduling the graphics processing unit to perform a display operation on the graphic to be displayed.

Abstract: A calibration method of a detection device and a method for acquiring a calibration file of the detection device are described herein. The acquisition method includes generating the calibration file in an address space accessible by the detection device in a use environment according to a calibration result, and correspondingly storing a unique identification code, the calibration result, and the calibration file of each detection device. When the detection device detects an article, the method includes attempting to acquire the calibration file from itself. If the calibration file can be acquired, the method includes directly loading the calibration file. If the calibration file cannot be acquired, the method includes acquiring the calibration file from the address space accessible by the detection device in the use environment. The solution is applied to the calibration of the detection device on a production line and the use of the detection device.

Abstract: The embodiment of the present disclosure discloses an intelligent blind guide method and apparatus, and relates to the field of artificial intelligence, so as to solve the problem that an intelligent blind guide system requires the whole-process intervention of an artificial customer service staff, which results in high work intensity. The intelligent blind guide method includes: obtaining a confidence of an intelligent blind guide according to sensor information, wherein the confidence indicates the reliability of blind guide information generated according to the sensor information without artificial decision; generating the blind guide information according to the sensor information if the confidence is greater than or equal to a preset threshold, and importing artificial decision to generate the blind guide information if the confidence is less than the preset threshold. The embodiment of the present disclosure is applied to a blind guide helmet.

Abstract: A video display method includes: allocating a native window to each guest operating system; receiving a request for establishing a physical contiguous memory PCM sub-region corresponding to a new window from the guest operating system; allocating a PCM sub-region to the guest operating system, returning a descriptor of the PCM sub-region to the guest operating system, the descriptor being used for instructing a corresponding hardware codec design to write display data into the PCM sub-region; receiving a display request from the guest operating system; and rendering and displaying the native window corresponding to the guest operating system based on the display request and the data in the PCM sub-region.

Abstract: A speech coding adjustment method in voice over long-term evolution (VoLTE) communication and a serving base station thereof are disclosed. The method includes: acquiring, by a serving base station, quality information of the VoLTE communication based on a predetermined condition; smoothening, by the serving base station, the quality information; acquiring coding information of the VoLTE communication based on the smoothened quality information, the coding information including a final speech coding mode and a corresponding code rate; and sending, by the serving base station, the coding information to a serving base station corresponding to a peer terminal, such that the serving base station and the serving base station corresponding to the peer terminal perform a speech coding adjustment for the VoLTE communication.

Abstract: A directional optical waveguide includes a time division multiplexing unit and N layers of optical waveguides that have a same light-emitting direction and that are stacked, a light-emitting surface of each layer of optical waveguide being provided with a pixel-type grating; the time division multiplexing unit being configured to hierarchically control, within each frame video stream cycle, the N layers of optical waveguides to introduce a source light ray into a corresponding pixel-type grating during a corresponding frame video period, and the source light ray that is introduced into the pixel-type grating being diffracted in the pixel-type grating to form a plurality of first-order diffraction light rays that have different diffraction angles and diffraction azimuth angles and are in a one-to-one correspondence with display pixels, to be incident on a next layer of optical waveguides.

Abstract: The present invention discloses a calibration method of a detection device and a method for acquiring a calibration file of the detection device, relates to the technical field of detection devices, and is used for solving the problems in the traditional solutions that the calibration time is long and that the calibration file is accidentally deleted to affect the use of the user. The calibration method includes: binding a calibration result of the detection device with a unique identification code of the corresponding detection device and uploading the same to an address space accessible by the detection device in a use environment.

Abstract: A directional optical waveguide includes a time division multiplexing unit and N layers of optical waveguides that have a same light-emitting direction and that are stacked, a light-emitting surface of each layer of optical waveguide being provided with a pixel-type grating; the time division multiplexing unit being configured to hierarchically control, within each frame video stream cycle, the N layers of optical waveguides to introduce a source light ray into a corresponding pixel-type grating during a corresponding frame video period, and the source light ray that is introduced into the pixel-type grating being diffracted in the pixel-type grating to form a plurality of first-order diffraction light rays that have different diffraction angles and diffraction azimuth angles and are in a one-to-one correspondence with display pixels, to be incident on a next layer of optical waveguides.

Abstract: The present disclosure discloses a method and a device for allocation of transmission power and a terminal, relating to the field of Internet of vehicles. The method includes: determining communication links having communication requirements at the current moment; acquiring a power request value corresponding to each of the communication links, and adding the power request value corresponding to each of the communication links to obtain an accumulated power value; when it is determined that the accumulated power value is greater than or equal to a preset power limit value, acquiring the service priority of each of the communication links, and allocating transmission power to each of the communication links according to the service priority.