Abstract: Disclosed are a RISC-V and O-CFI mechanism-based defense method and apparatus for code reuse attacks, comprising: constructing a control flow graph according to program source codes randomized in a basic block order; on the basis of the control flow graph, obtaining a boundary range of a control flow transfer branch; executing the program source codes, obtaining a target node to which each control flow is to be transferred, and analyzing each target node in combination with the boundary range so as to defend against an abnormal control flow. The present invention can identify an illegal control flow transfer with the assistance of RISC-V security hardware according to the characteristics of a program control flow itself, and effectively handle code reuse attacks, thereby enhancing the security defense capabilities of an RISC-V system.

Abstract: A drive control system, a control method and a computer-readable storage medium, wherein the drive control system comprises: a system on chip, configured to receive video data and user operation instructions; a video data processor, electrically connected with the system on chip and configured to receive the video data and perform enhancement processing on the video data; an on-screen display data processor, electrically connected with the system on chip and configured to receive the user operation instructions and process the user operation instructions into corresponding on-screen display data; and a display drive circuit, electrically connected with the video data processor and the on-screen display data processor respectively and configured to receive video data subjected to enhancement processing and the on-screen display data and fuse the video data subjected to enhancement processing with the on-screen display data to drive a display panel for display according to fused data.

Abstract: The present disclosure relates to a charging system, a foreign object detection method and component, and a charging control method and device, which belong to the wireless technical field. The foreign object detection method includes receiving a voltage value and a current value of the transmitting coil, and determining a mutual inductance value of the transmitting coil according to the voltage value and the current value of the transmitting coil; receiving a voltage value and a current value of the receiving coil, and determining a mutual inductance value of the receiving coil according to the voltage value and the current value of the receiving coil; and determining whether there is a conductor foreign object between the receiving coil and the transmitting coil according to the mutual inductance value of the transmitting coil and the mutual inductance value of the receiving coil.

Abstract: Provided are a method and an apparatus for controlling power consumption, a board, an electronic device and a storage medium. The method is applied to a board, and the board includes a dynamic random memory. The method includes: obtaining a data flow of the board; and controlling an active bandwidth of the dynamic random memory according to the data flow.

Abstract: The present disclosure relates to a charging system, a foreign object detection method and component, and a charging control method and device, which belong to the wireless technical field. The foreign object detection method includes receiving a voltage value and a current value of the transmitting coil, and determining a mutual inductance value of the transmitting coil according to the voltage value and the current value of the transmitting coil; receiving a voltage value and a current value of the receiving coil, and determining a mutual inductance value of the receiving coil according to the voltage value and the current value of the receiving coil; and determining whether there is a conductor foreign object between the receiving coil and the transmitting coil according to the mutual inductance value of the transmitting coil and the mutual inductance value of the receiving coil.

Abstract: An antiglare system and method and a vehicle comprising the antiglare system. The antiglare system comprises a light transmittance adjustment plate, which includes at least one light transmittance adjustment portion, which in turn includes at least one first light transmittance adjustment region. The antiglare method comprises: capturing, from one side of a light transmittance adjustment plate, an image in a direction facing the light transmittance adjustment plate; determining a bright region in the image, and acquiring a position of the bright region in the image; determining, according to the position of the bright region, a first light transmittance adjustment region in the light transmittance adjustment plate; and if a bright region is present, adjusting light transmittance of the first light transmittance adjustment region.

Abstract: A bone repair material, a preparation method of the bone repair material, and a biological composite scaffold are provided. The bone repair material includes: a base material, and a carbon nanomaterial and a polypeptide both mixed with the base material; and the carbon nanomaterial and the polypeptide are bonded by chemical bonds. The preparation method includes: bonding a carbon nanomaterial with a polypeptide by chemical bonds; and mixing the carbon nanomaterial and the polypeptide bonded by the chemical bonds with a base material, and performing a molding treatment.

Abstract: Provided are a method and an apparatus for controlling power consumption, a board, an electronic device and a storage medium. The method is applied to a board, and the board includes a dynamic random memory. The method includes: obtaining a data flow of the board; and controlling an active bandwidth of the dynamic random memory according to the data flow.

Abstract: A trash sorting and recycling method, a trash sorting device and a trash sorting and recycling system are provided. The trash sorting and recycling method includes: acquiring a detection image of trash to be sorted; processing the detection image with a deep learning neural network to judge whether or not the trash to be sorted belongs to recyclable trash; if yes, sending a first control signal, to control to deliver the trash to be sorted into a recycling region; if no, sending a second control signal, to control to deliver the trash to be sorted into a non-recycling region.

Abstract: The disclosure provides a parking management system including: a central control device configured to centrally manage the division and dispatch of a parking space; and at least one projection device configured to project and display the range of the parking space to assist the parking of a vehicle in response to the division and dispatch of the parking space by the central control device. The disclosure further provides a corresponding parking management method.

Abstract: A method for a mobile device to photograph a panoramic image includes: photographing, by a camera in the mobile device, a first image at a first time, and sensing, by a sensor in the mobile device, a first directing vector when the camera photographs the first image; sensing, by the sensor, an actually measured directing vector of the camera at a second time; photographing, by the camera, a second image, and sensing, by the sensor, a second directing vector when the camera photographs the second image, in case that a first trigger photographing threshold or a second trigger photographing threshold is reached; determining whether a photographing stop condition is satisfied, in case that the photographing stop condition is satisfied, generating a panoramic image based on the images photographed by the camera.

Abstract: The present disclosure relates to a goods information obtaining device, a shelf, a shelf managing system and a method. A goods information obtaining device for obtaining goods information within a shelf unit, includes: at least one reflector; and at least one image sensor for sensing a reflection image of goods within the shelf unit that are reflected one or more times by the at least one reflector.

Abstract: A drive control system, a control method and a computer-readable storage medium, wherein the drive control system comprises: a system on chip, configured to receive video data and user operation instructions; a video data processor, electrically connected with the system on chip and configured to receive the video data and perform enhancement processing on the video data; an on-screen display data processor, electrically connected with the system on chip and configured to receive the user operation instructions and process the user operation instructions into corresponding on-screen display data; and a display drive circuit, electrically connected with the video data processor and the on-screen display data processor respectively and configured to receive video data subjected to enhancement processing and the on-screen display data and fuse the video data subjected to enhancement processing with the on-screen display data to drive a display panel for display according to fused data.

Abstract: A method for a mobile device to photograph a panoramic image includes: photographing, by a camera in the mobile device, a first image at a first time, and sensing, by a sensor in the mobile device, a first directing vector when the camera photographs the first image; sensing, by the sensor, an actually measured directing vector of the camera at a second time; photographing, by the camera, a second image, and sensing, by the sensor, a second directing vector when the camera photographs the second image, in case that a first trigger photographing threshold or a second trigger photographing threshold is reached; determining whether a photographing stop condition is satisfied, in case that the photographing stop condition is satisfied, generating a panoramic image based on the images photographed by the camera.

Abstract: A parking management system and method including: a central control device configured to centrally manage the division and dispatch of a parking space; and at least one projection device configured to project and display the range of the parking space to assist the parking of a vehicle in response to the division and dispatch of the parking space by the central control device.

Abstract: A trash sorting and recycling method, a trash sorting device and a trash sorting and recycling system are provided. The trash sorting and recycling method includes: acquiring a detection image of trash to be sorted; processing the detection image with a deep learning neural network to judge whether or not the trash to be sorted belongs to recyclable trash; if yes, sending a first control signal, to control to deliver the trash to be sorted into a recycling region; if no, sending a second control signal, to control to deliver the trash to be sorted into a non-recycling region.

Abstract: Disclosed are a monitoring system and a monitoring method. The monitoring system includes: a collection device, configured to collect feature data of a baby; and a processor, coupled to the collection device and configured to receive the feature data collected by the collection device, determine a state condition of the baby according to the feature data, and output prompt information corresponding to the state condition.

Abstract: A bone repair material, a preparation method of the bone repair material, and a biological composite scaffold are provided. The bone repair material includes: a base material, and a carbon nanomaterial and a polypeptide both mixed with the base material; and the carbon nanomaterial and the polypeptide are bonded by chemical bonds. The preparation method includes: bonding a carbon nanomaterial with a polypeptide by chemical bonds; and mixing the carbon nanomaterial and the polypeptide bonded by the chemical bonds with a base material, and performing a molding treatment.

Abstract: The present disclosure provides a touch detection method for a touch splicing screen, including: obtaining the following parameters: sizes of each of the display units in a row direction and in a column direction, a width of each of the first splicing intervals, a width of each of the second splicing intervals, and physical position information of a touch point; determining whether the touch point is within an area of the splicing intervals according to the parameters; and calculating, when the touch point is beyond the area of the splicing intervals, a position of a pixel unit corresponding to the touch point according to a resolution of the touch splicing screen, a row number and a column number in an arrangement of the display units, and the parameters.

Abstract: A display method, a display device, an electronic equipment, and a computer readable storage medium are disclosed. The display method is suitable for a display device, and the display device is configured to display in a first display mode and in a second display mode. The display method includes: obtaining user image information; determining whether a user is currently in a fatigue state based on the user image information; and switching the display device from the second display mode to the first display mode and allowing the display device to display in the first display mode if the user is currently in the fatigue state. The first display mode is different from the second display mode.