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 display apparatus is provided. The display apparatus includes a touch device configured to detect a touch; a first processor configured to receive data of first touch trajectory sequence information when a touch occurs, the first touch trajectory sequence information comprising information of at least one first touch trajectory point; and generate a first image data comprising data of a first touch trajectory image, wherein the data of the first touch trajectory image is generated based on the first touch trajectory sequence information; and a second processor configured to receive data of second touch trajectory sequence information when the touch occurs, the second touch trajectory sequence information comprising information of at least one second touch trajectory point; receive the first image data from the first processor; and generate a third image data based on the first image data and at least a portion of the second touch trajectory sequence information.

Abstract: An image drawing method, a display apparatus, and a storage medium, relates to the technical field of display. The method comprises: determining a gray-scale value of each of a plurality of target-pixels in a displayed image; determining a pixel quantity in each preset gray-scale level according to the gray-scale value of each of the plurality of target-pixels; representing a maximum quantity of a plurality of pixel quantities by a first numeral system, to read values in a preset digit range of the digit of the first numeral system corresponding to the maximum quantity, determining a proportional coefficient corresponding to the values, and according to a height of a histogram to be drawn, a gray-scale to be drawn and the proportion coefficient, drawing the histogram.

Abstract: Provided is a monitor system. The monitor system comprises: a controlling module, configured to send human-machine interaction interface information and background picture information to a processing module via a same channel; the processing module, configured to receive video image information, perform processing on the video image information, the human-machine interaction interface information, and the background picture information, and output target image information to a display; and the display, configured to display the target image information.

Abstract: Disclosed is a method for processing an image. The method is applicable to a field programmable gate array (FPGA), and includes: acquiring at least one channel of video data of an ultra-high-definition (UHD) video system; generating oscillogram data based on each channel of the video data; acquiring a pre-generated background image of an oscillogram; and generating the oscillogram based on the background image and the oscillogram data.

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: A display apparatus is provided. The display apparatus includes a touch device configured to detect a touch; a first processor configured to receive data of first touch trajectory sequence information when a touch occurs, the first touch trajectory sequence information comprising information of at least one first touch trajectory point; and generate a first image data comprising data of a first touch trajectory image, wherein the data of the first touch trajectory image is generated based on the first touch trajectory sequence information; and a second processor configured to receive data of second touch trajectory sequence information when the touch occurs, the second touch trajectory sequence information comprising information of at least one second touch trajectory point; receive the first image data from the first processor; and generate a third image data based on the first image data and at least a portion of the second touch trajectory sequence information.

Abstract: A display terminal, a server and an information security issuing system are provided. The display terminal includes a monitoring module and a display module. The monitoring module includes, a file request unit configured to receive a device authentication result sent by the server and send a file issuing request to the server when the device authentication result indicates that the display terminal is successfully authenticated; an identity authentication unit configured to receive an encrypted authentication file issued by the server according to the file issuing request, and authenticate identity information of data content in the encrypted authentication file; the display module is configured to display the data content in the encrypted authentication file when the identity authentication is passed; and a content authentication unit configured to determine whether the data content is correct based on a first image displayed by the display module.

Abstract: The present disclosure provides a video transmission method, a video transmission apparatus, an electronic device, and a readable medium, belongs to the field of information transmission technology, and can solve the problem of security of information transmission. The video transmission method of the present disclosure includes: acquiring block data of a video stream to be transmitted; generating an encryption key for an rth block with a block data digest of an (r?1)th block, wherein r is an integer greater than or equal to 2; encrypting block video data of the rth block with the encryption key for the rth block, to obtain block encrypted video data of the rth block; and transmitting the block encrypted video data of the rth block to a receiving end.

Abstract: A data processing method spoiled to a display apparatus includes, obtaining first image data including first pixel values of pixels; obtaining a brightness control value of each backlight unit according to first pixel values of pixels corresponding to the backlight unit; determining relative positional relationships between a first pixel and at least two first backlight units in a plane perpendicular to a thickness direction of the display apparatus, the first backlight units including a backlight unit corresponding to the first pixel and backlight unit(s) adjacent thereto; determining an optical diffusion coefficient of each first backlight unit at a corresponding position of the first pixel according to the relative positional relationships; and determining a backlight brightness characteristic value of the first pixel according to a brightness control value of each first backlight unit and the optical diffusion coefficient of each first backlight unit at the corresponding position of the first pixel.

Abstract: The present disclosure provides an image quality adjusting method, including: acquiring first image quality information of a display assembly while displaying a preset measurement image; performing analysis and calculation based on the first image quality information and a preset second image quality information to generate adjustment information; determining an adjustment type corresponding to each preset partition according to the adjustment information, and determining at least one adjustment region according to the adjustment type corresponding to each preset partition; and performing image quality adjustment on each adjustment region according to the adjustment information. The present disclosure further provides an image quality adjusting assembly, a display system, and a computer readable medium.

Abstract: Disclosed is a method for generating a vector diagram. The method is applicable to a field programmable gate array and includes: acquiring video data of an ultra-high definition video system; generating vector diagram data based on the video data; acquiring a pre-generated background image of a vector diagram; and generating the vector diagram based on the background image and the vector diagram data.

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: The present disclosure provides an image-quality calibrating method and system and a storage medium. The method includes: when a display screen is displaying a testing image, measuring the actually measured chromaticity coordinate of a target pixel unit in the image; according to a magnitude relation between the actually measured chromaticity coordinate and a standard chromaticity coordinate, by adjusting the pixel component of the target pixel unit, performing coarse adjustment to coordinate values of the actually measured chromaticity coordinate in a first direction and a second direction, and repeatedly performing the coarse adjustment till both of differences in the first direction and the second direction between the actually measured chromaticity coordinate obtained after the coarse adjustment and the standard chromaticity coordinate are less than a first preset value.

Abstract: A data transmission method, an apparatus, a system, an electronic device and a readable medium are disclosed, and belong to the technical field of computers. The data transmission method of the present disclosure includes: receiving original transmission data transmitted by a data transmission device; determining a security key corresponding to the original transmission data, and performing an encryption and decryption processing on the original transmission data through the security key, to obtain security transmission data; and transmitting the security transmission data to the data transmission device; wherein the original transmission data is transmitted between the data transmission device and a cloud platform, and the security key is obtained from the cloud platform. The present disclosure can improve the security of data transmission and avoid the problem of cracking in the data transmission process.

Abstract: A conference data transmission method, an apparatus and a system, an electronic device and a readable medium are disclosed, belong to the technical field of computers and can avoid the illegal intrusion in the prior art. The conference data transmission method includes: receiving unencrypted first conference data transmitted by a conference transmission device in a case where an identity verification of a participant is passed; acquiring a conference key corresponding to the first conference data, and encrypting the first conference data through the conference key, to obtain encrypted second conference data; and transmitting the encrypted second conference data to the conference transmission device, so that the conference transmission device provides the encrypted second conference data to a conference client through a cloud platform. The present disclosure can improve the security of conference data transmission and avoid the problem of cracking in the data transmission process.

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: The present disclosure provides a display control method, including: performing a splitting processing on a source video stream of a display panel in response to a multi-path display control instruction, to obtain a plurality of same video sub-streams; acquiring a processing parameter corresponding to each video sub-stream, and processing the video sub-stream according to the processing parameter; and performing a tiling and merging operation on the processed video sub-streams to obtain an output video stream, and outputting the output video stream to the display panel for displaying. The present disclosure further provides a display control device, a display apparatus, and a computer readable medium.

Abstract: Provided is a method for marking a focused pixel. The method includes: in response to marking a focused pixel of a first image based on a focus threshold, adjusting the focus threshold in the case that an adjustment condition is satisfied; marking a focused pixel of a second image based on the adjusted focus threshold. The adjustment condition includes: a focus degree of the first image is less than a target focus degree, and/or, the focus degree of the first image is greater than the target focus degree. Moreover, a similarity between the first image and the second image is greater than a similarity threshold, and a difference between a focus degree of the second image and the target focus degree is less than a difference between the focus degree of the first image and the target focus degree.

Abstract: The disclosure provides an image data transmission device including: receiving sub-circuit, writing control component, and reading control component. The disclosure further provides an image data transmission method, including: in response to the receiving sub-circuit being in locked state, receiving, by receiving sub-circuit, image data sent by a mainboard, and writing, according to a first frame synchronous signal, the image data received from the mainboard in each clock cycle of the first frame synchronous signal into a frame of a memory, reading, according to a second frame synchronous signal, a frame from the memory in each clock cycle of the second frame synchronous signal; sending each frame read from the memory to a display component; and in response to the receiving sub-circuit being in unlocked state, stopping writing the image data into the memory. The disclosure further provides an electronic apparatus, a computer-readable medium and a display system.