Abstract: Provided is a spliced display screen. The spliced display screen includes a plurality of display screen modules, a plurality of control modules, and a communication bus; an image processing algorithm is configured in each control module; the each of the plurality of control modules is configured to receive video information and send an edge signal supplement request to other control modules; determine whether the communication bus is occupied by the each of the plurality of control modules; determine the each of the plurality of control modules as a master control module and other control modules as slave control modules; read at least part of edge information via the communication bus; and perform imaging processing on the received video information and multiple pieces of the at least part of edge information to generate image sub-information; and the plurality of display screen modules are configured to display received image sub-information.

Abstract: A video processing method includes: obtaining a video signal, a color gamut range of the video signal including at least two color zones, each of the color zones corresponding to a set of correction data; performing chromatic calibration on the video signal, including correcting image data of the video signal in a color zone using a set of correction data corresponding to the color zone; and outputting the video signal that has undergone the chromatic calibration.

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: The invention provides a preparation method of a nickel-based wrought superalloy wheel disk forging used at high temperature, in which the alloy has high content of solution strengthening elements W, Mo and strengthening phase ?? phase forming elements Al, Ti, Nb and ?? phase content reaches 55-65%. In view of a series of technical problems caused by high ?? phase to alloy smelting and forging, the high-temperature stress relief annealing, low-temperature stress relief annealing process of steel ingot and high temperature homogenizing annealing of steel bar were proposed by optimizing the thermal process of wheel disk forging and controlling the precipitation and dissolution of ?? phase.

Abstract: An image processing method, an image processing device, and a readable storage medium are provided. The image processing method includes: acquiring an input image; acquiring at least two intermediate images based on the input image; acquiring an output image based on the at least two intermediate images. Each of the at least two intermediate image corresponds to a single type of image content, different intermediate images correspond to different types of image content, and different intermediate images correspond to different color filtering processes.

Abstract: The present disclosure provides a display method for a splicing display screen, which belongs to the technical field of image display, wherein the splicing display screen includes a plurality of display panels spliced with each other, and the display method includes: determining initial gray-scale compensation data according to first gray-scale data for each pixel in current frame of image data and a pre-generated gray-scale compensation data table; acquiring temperature influence data of current frame of image data, and filtering each temperature influence data according to preset filter parameter information to obtain a gray-scale compensation coefficient; determining target gray-scale compensation data according to the gray-scale compensation coefficient and the initial gray-scale compensation data; and compensating a gray scale of the current frame of image data according to the target gray-scale compensation data to obtain compensated frame of image data.

Abstract: The present disclosure provides a text matting method and apparatus based on a neural network, a device, and a storage medium. The text matting method based on a neural network includes: processing a first image with a feature extraction network to obtain feature maps, processing the feature maps with an intermediate processing network to obtain intermediate feature maps, processing the intermediate feature maps with a feature fusion network to obtain a second image, wherein the second image includes a text feature extracted from the first image.

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: The present disclosure provides a defective-spot detection model training method, a defective-spot detection method and a defective-spot restoration method. The defective-spot detection model training method includes: obtaining a first training data set and a second training data set; generating a transparent layer based on a resolution of the sample detection image; replacing an image in a certain region of the transparent layer based on at least one of the plurality of frames of sample defective-spot images to generate a frame of transparent mask; generating a sample training image with a defective-spot based on the frame of transparent mask and the sample detection image; and processing the sample detection image by using the at least one of the plurality of frames of sample defective-spot images to generate a frame of sample training image.

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: A computer-implemented image-processing method is provided. The computer-implemented image-processing method includes obtaining a pair of training samples including a training image having a first degree of sharpness and a reference image having a second degree of sharpness, the second degree greater than the first degree, at least portions of the training image and the reference image in a same pair having same contents; inputting the training image to the image-enhancing convolutional neural network to generate a training enhanced image; inputting the training enhanced image into an edge detector; generating, by the edge detector, a plurality of first edge maps; inputting the reference image into the edge detector; generating, by the edge detector, a plurality of second edge maps; and tuning parameters in the image-enhancing convolutional neural network to minimize at least the one or more first losses and a second loss.

Abstract: An image processing method includes: acquiring a first image containing a target object; inputting the first image into an image processing model to obtain a second image, the second image being a mask image of the target object in the first image, a value for each pixel in the second image being in a range of 0 to 1, inclusive ([0, 1]), and the range of 0 to 1, inclusive ([0, 1]) indicating a degree of relation between each pixel in the second image and a pixel in the target object; fusing the first image and a background image according to the second image to obtain a fused image; and providing a first interface and displaying the fused image on the first interface.

Abstract: An image processing method and an image processing device are provided. The image processing method includes performing at least one of a scratch repairing step, a dead point repairing step, a denoising step and a color cast correcting step on a to-be-processed video frame. According to the embodiments of the present disclosure, it is able to repair a scratch and a dead point, remove a noise and/or correct color cast for a video frame, thereby to improve a display effect of the video frame.

Abstract: The present application discloses an image quality evaluation method and apparatus, a device, and a storage medium. The method includes: acquiring a to-be-evaluated image; and inputting the to-be-evaluated image into an image quality evaluation network to obtain an image quality evaluation result, where the image quality evaluation network is configured to extract a first image feature from an input image, perform a shift operation on the first image feature to acquire one or more second image features, and determine the image quality evaluation result by combining the first image feature and the acquired second image features; a size of each of the second image features is the same as a size of the first image feature, and regions with identical values of features exist in different positions between the first image feature and the second image features.

Abstract: A video enhancement method and apparatus, an electronic device, and a storage medium are described. The method comprises: extracting features from M frames of images, so as to obtain at least one first-scale image feature (S310); for each first-scale image feature, performing N-level down-sampling processing on the first-scale image feature, so as to obtain a second-scale image feature (S320); performing N-level up-sampling processing on the second-scale image feature, so as to obtain a third-scale image feature (S330), wherein the input of ith-level up-sampling processing is an image feature obtained after performing superimposition processing on the output of (N+1?i)th-level down-sampling processing and the output of (i?1)th-level up-sampling processing, and the multiple of jth-level up-sampling is the same as the multiple of (N+1?j)th-level down-sampling; and performing superimposition processing on the third-scale image feature and the first-scale image feature.

Abstract: Disclosed in the present invention is a terahertz kinetic inductance bolometer, including a superconducting thin film layer, a terahertz antenna, a cutoff layer and a Si substrate, wherein the superconducting thin film layer and the terahertz antenna are respectively deposited on the cutoff layer, and the cutoff layer is deposited on the Si substrate; the superconducting thin film layer includes a superconducting feeder line, an inter-digital capacitor and an inductor coil; the inter-digital capacitor is connected with the inductor coil in parallel to form an oscillation circuit; the terahertz antenna is adjacent to the inductor coil and is used to convert a received terahertz signal into heat so that the inductor coil produces an inductance change; a resonance frequency in the inter-digital capacitor changes through the inductance change; and the superconducting feeder line receives the varying resonance frequency, through which an light intensity of the terahertz signal can be obtained to complete the detec

Abstract: Provided is a spliced display screen. The spliced display screen includes a plurality of display screen modules, a plurality of control modules, and a communication bus; an image processing algorithm is configured in each control module; the each of the plurality of control modules is configured to receive video information and send an edge signal supplement request to other control modules; determine whether the communication bus is occupied by the each of the plurality of control modules; determine the each of the plurality of control modules as a master control module and other control modules as slave control modules; read at least part of edge information via the communication bus; and perform imaging processing on the received video information and multiple pieces of the at least part of edge information to generate image sub-information; and the plurality of display screen modules are configured to display received image sub-information.

Abstract: Shared memory management methods and apparatuses are provided. In an implementation, an apparatus comprises a virtual machine monitor, a virtual machine, and a trusted execution environment (TEE). The virtual machine monitor is configured to determine, based on the address information, whether a first address is comprised in the shared memory when a page fault occurs in response to the trusted part requests to access the first address, and in response to determining that the first address is comprised in the shared memory, send an interrupt notification to the virtual machine. The virtual machine is configured to: in response to the interrupt notification and determining, based on the address information, that the first address is comprised in the shared memory, validate a first page table entry in the first page table, and return a response message to the virtual machine monitor, wherein the first page table entry comprises address mapping information of a first page that comprises the first address.

Abstract: The present application relates to the field of superalloy, disclosing a method for internal stress regulation in superalloy disk forgings by pre-spinning. The method includes: Step S1, determining a target revolution for regulating internal stress in the disk forgings, and determining a target deformation magnitude of plastic deformation required for regulating the internal stress by the pre-spinning of the disk forgings; and Step S2, performing the pre-spinning of the disk forgings by the target revolution, monitoring a deformation magnitude of the disk forgings, and stopping the pre-spinning when a monitored deformation magnitude of the disk forgings reaches the target deformation magnitude.

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.