Abstract: A cloud-edge collaboration method is provided, a data transmission apparatus, a cloud platform, an edge device, a cloud-edge collaboration system, an electric device, and a computer readable medium. The cloud-edge collaboration method includes: receiving first information sent by an edge device, the first information at least comprising image feature information of an image to be recognized; determining whether a local feature library comprises reference feature information matching the image feature information; if the local feature library includes reference feature information matching the image feature information, generating a first determination result, and sending the first determination result to the edge device.

Abstract: A method for processing an image frame includes: obtaining an image frame to be displayed; determining whether pixel data in the image frame to be displayed is lost; and using preset replacement data as data of target pixels in the image frame to be displayed, in response to determining that the pixel data in the image frame to be displayed is lost.

Abstract: Provided is a video processor. The video processor includes: a receiving module, configured to receive source video display data and parse the source video display data as valid video display data; a pre-processing module, configured to generate valid video display data in a predetermined video format; an image quality processing module, configured to adjust image quality parameters to output a first video screen; a post-processing module, configured to extract video parameters, generate a blended screen, and blend the blended screen on the first video screen; and a video output module, configured to perform data format conversion on valid video display data of the first video screen and valid video display data of the blended screen to encapsulate as output video display data, and output the output video display data to an external display to blend the blended screen on the first video screen.

Abstract: A test system for stability of video interfaces includes a display, a signal generator, a controller, and an image capturing sensor. The signal generator is configured to transmit multiple video signals to multiple video interfaces of the display. The controller is configured to control the display to sequentially display images according to each video signal. The image capturing sensor is configured to capture the images displayed sequentially by the display according to each video signal, and detect whether an image corresponding to each video signal is abnormal, and transmit a detection result to the controller.

Abstract: Disclosed are a device and method for processing video data, and a display system. The device for processing video data includes: a first acquisition module, a second acquisition module, a storage module and a processing module. The first acquisition module is configured to determine, in response to receiving an image quality adjustment parameter, whether the image quality adjustment parameter meets a preset condition, and send the image quality adjustment parameter to the storage module. The storage module is configured to cache the image quality adjustment parameter, and send the image quality adjustment parameter to the processing module. The second acquisition module is configured to acquire original video data, and send the original video data to the processing module. The processing module is configured to perform data processing on the original video data according to the image quality adjustment parameter to generate target video data.

Abstract: Disclosed are a video processing device, a video processing method, a monitor apparatus, a computer device, and a computer-readable medium. The video processing device includes: a receiver, a normalization processor, a selector and an image processor. The receiver is configured to receive an original video image. The normalization processor includes a plurality of normalization sub-circuits each configured to perform format adjustment on the original video image to generate a video image in a target format. Different normalization sub-circuits perform the format adjustment in different manners. The selector is configured to output the video image generated by at least one of the normalization sub-circuits to the image processor according to a received selection instruction; and the image processor is configured to generate an image to be displayed from the received video image.

Abstract: A digital oscilloscope includes a video input interface, a data processing system, a video output interface, and a clock system. The video input interface is configured to receive a digital video signal; the data processing system receives the digital video signal and processes the digital video signal to generate an oscillogram signal, which includes an oscillogram image and further includes one of a menu image and a frame image of the digital video signal; and the video output interface is connected to the data processing system, receives the oscillogram signal and outputs it to external terminals. The oscilloscope can display a variety of image information, with high intuitiveness, simplified structure, improved portability, and is convenient to use in outdoor places.

Abstract: The present disclosure provides a method and device of transmitting a video signal, a method and device of receiving a video signal, and a display device. The method of transmitting the video signal includes: acquiring the video signal, wherein the video signal contains a plurality of frame data; embedding configuration data for at least one frame data of the video signal in a previous invalid interval of the at least one frame data; and transmitting the video signal embedded with the configuration data.

Abstract: A display device includes a first processor, a second processor, and a display module. The first processor is configured to: acquire version information of the second processor upon completion of startup of the second processor; determine version information of the corresponding first processor based on version information of the second processor; load a second configuration file corresponding to the version information of the first processor to output a second display screen associated with the second configuration file to the display module. The display module is configured to display the second display screen.

Abstract: Provided is a method for transmitting video signals, including: receiving an input video signal provided by a source, wherein the input video signal includes an image signal and a source timing signal; generating a pulse synchronization signal based on the source timing signal and an output frame rate, wherein the output frame rate is a frame rate of outputting the image signal to a display module, and a cycle of the pulse synchronization signal is an integer multiple of a cycle of the source timing signal, and is an integer multiple of a cycle corresponding to the output frame rate; generating an output timing signal based on the pulse synchronization signal; and transmitting an output video signal to the display module, wherein the output video signal includes the image signal and the output timing signal.

Abstract: A display driving device and a control method thereof, and a display device. The control method includes: generating, by the master processing chip, a read/write synchronization signal, and receiving, by each of the slave processing chip, the read/write synchronization signal; in response to the read/write synchronization signal, caching, by the master processing chip, the received display data of the current to-be-displayed frame image into the frame address of the corresponding memory, reading and processing cached display data of a previous to-be-displayed frame image and transmitting the processed display data; and in response to the read/write synchronization signal, caching synchronously, by each of the slave processing chip, the received display data of the current to-be-displayed frame image into the frame address of the corresponding memory, and reading and processing synchronously cached display data of the previous to-be-displayed frame image and transmitting the processed display data.

Abstract: A method includes: obtaining a first frame synchronization signal, period between a trailing edge of a first pulse and a leading edge of a next first pulse being first time period corresponding to a first integer number of pulses of a first pixel clock signal; generating a synchronization calibration signal, a triggering edge of the second pulse being delayed compared to a trailing edge of a first pulse; generating a second frame synchronization signal, period between a triggering edge of the second pulse and a leading edge of a third pulse being second time period. When ratio of frequency of the second pixel clock signal to frequency of the first pixel clock signal is within threshold range, the second time period corresponds to a second integer number of pulses of the second pixel clock signal. The second integer is integer value of product of the first integer and ratio.

Abstract: Provided is a method for transmitting video signals, including: receiving an input video signal provided by a source, wherein the input video signal includes an image signal and a source timing signal; generating a pulse synchronization signal based on the source timing signal and an output frame rate, wherein the output frame rate is a frame rate of outputting the image signal to a display module, and a cycle of the pulse synchronization signal is an integer multiple of a cycle of the source timing signal, and is an integer multiple of a cycle corresponding to the output frame rate; generating an output timing signal based on the pulse synchronization signal; and transmitting an output video signal to the display module, wherein the output video signal includes the image signal and the output timing signal.

Abstract: An image processing method includes: using image data of a first image as image data of a base region, wherein the first image has a first resolution; and generating, based on the image data of the first image, image data of an extended region according to extension policies, so as to obtain image data of a second image including the image data of the base region and the image data of the extended region, wherein the second image has a second resolution, and the first resolution is less than the second resolution.

Abstract: The disclosure provides a read/write control method and device for a DDR (Double Data Rate) dynamic random access memory, and a system. The device includes a read control signal generating unit and a read memory controller, and the read control signal generating unit is in signal connection with the read memory controller; the read control signal generating unit is configured for determining a minimum frame period from a plurality of received signal sources, generating a read control signal based on a delay time, and providing the read control signal to the read memory controller; and the read memory controller is configured for controlling the reading of video frames from the DDR dynamic random access memory according to the read control signal.

Abstract: The disclosure provides a read/write control method and device for a DDR (Double Data Rate) dynamic random access memory, and a system. The device comprises a read control signal generating unit and a read memory controller, and the read control signal generating unit is in signal connection with the read memory controller; the read control signal generating unit is configured for determining a minimum frame period from multiple received signal sources, generating a read control signal based on the minimum frame period, and providing the read control signal to the read memory controller; and the read memory controller is configured for controlling the reading of video frames from the DDR dynamic random access memory according to the read control signal.

Abstract: The present invention provides a monitor system and a display control method thereof. The monitor system comprises: a control module, used for sending human-computer interaction interface information and background picture information to a processing module by means of a same channel; the processing module, used for receiving video image information, processing the video image information, the human-computer interaction interface information and the background picture information, and outputting target image information to a display; and the display, used for displaying the target image information. According to the system, background picture information is stored in the control module, and by means of information transmission and processing between the control module and the processing module, target image information can be displayed on the display, thus achieving display control over the monitor system, without the need to additionally arrange an external device to store background picture information.

Abstract: A video timing conversion method and a video timing conversion device, and a non-transitory computer-readable storage medium are provided. The video timing conversion method includes: analyzing an original timing signal in a form of a differential signal of an original video, to obtain original timing parameters; determining target timing parameters and a target clock signal parameter according to a format of a target video and the original timing parameters; wherein the target timing parameters include a data enabling period number, a field sync data valid row number and a refreshing frequency, which are the same as the data enabling period number, the field sync data valid row number and the refreshing frequency of the original timing parameters, respectively; generating a target timing signal in the form of the differential signal of the target video according to the target timing parameters and the target clock signal parameter.

Abstract: There is provided a data processor for a display device including a display panel having a first resolution. The data processor includes a first mode selector and a player. The first mode selector includes a distance detector, a comparator, and a transmission resolution adjustor. The distance detector may detect a current distance between a viewer and a display surface of the display panel. The comparator determines an amount of change of the current distance from a previous distance. The transmission resolution adjustor determines a second resolution according to a threshold range within which the previous distance falls and the amount of change. The player processes received external image data as intermediate data having the second resolution.

Abstract: The present disclosure provides an anti-glare device, a control method and a vehicle. The anti-glare device includes a sensing circuit, a driving circuit and an electrically-controlled color-variable thin film. The sensing circuit is configured to acquire status information about the vehicle in a running state. The driving circuit is configured to generate a driving signal for the electrically-controlled color-variable thin film in accordance with the status information. The electrically-controlled color-variable thin film is arranged on a front windshield of the vehicle and configured to change a transmittance to external light beam in accordance with the driving signal.