18 results about "Compositing" patented technology

This invention discloses a method for displaying Linux container applications on the HarmonyOS platform based on virtual compositing nodes. Using HarmonyOS as the host and Linux as the container, the host-side Vulkan resource management hub pre-checks GPU characteristics, allocates shared Vulkan resources, creates rendering channels, and initializes global timeline semaphores to build a unified resource pool. After the container starts, it requests resources from the host to import shared video memory objects, and the container compositor registers virtual nodes. During the rendering phase, the application uses shared resources to complete parallel rendering and sends notifications to the container compositor. The container compositor, based on the global display state, uses Vulkan instructions to perform window blending, transformation, and other processing, encapsulates global compositing units, and submits them to the HarmonyOS global compositing scheduler. The scheduler reads the global compositing units and, when the timeline semaphore meets the on-screen conditions, completes the global compositing of the container application window and the host's native window, driving the display service to output the screen.

This application relates to an image display method, apparatus, computer device, chip, and chip module, and pertains to the field of image technology, capable of improving the smoothness and stability of image display. The method includes: obtaining a first target time for the drawing stage based on a first actual time consumption and a first historical time consumption for the application to draw historical image frames; determining a second target time for the compositing and display stage based on a second actual time consumption, a second historical time consumption for the image compositing service to process historical image frames, and a third historical time consumption for the hardware compositor to synthesize and display historical image frames; after the image compositing service submits the compositing and display task corresponding to the current image frame to the asynchronous thread of the hardware compositor, sending the second target time consumption to the hardware compositor and the first target time consumption to the application, to instruct the asynchronous thread of the hardware compositor to asynchronously process the compositing and display task according to the second target time consumption, and instructing the application to process subsequent image frames according to the first target time consumption.

The invention discloses a multi-person picture synthesis method and device, equipment and a medium. The method comprises the following steps: splicing original images at multiple angles to obtain a panoramic image of a current target area; real-time tracking is carried out according to all face position information in the current frame, sound source information is collected synchronously, and a current spokesman in the target area is determined; and generating a multi-person synthetic picture according to the real-time motion picture of the current spokesman and the real-time motion pictures of other people. Multi-angle images are collected for feature point matching and image splicing, a high-quality panoramic image is generated, wide-area visual angle coverage is achieved, a more detailed image is obtained, all face positions are locked, corresponding sound source information is collected, a current spokesman is recognized, a multi-person synthetic picture which highlights the current spokesman and gives consideration to other people is generated, and the multi-person synthetic picture is obtained. The integrity of the panoramic information is guaranteed, meanwhile, the key content is clearly presented, the problems that the visual angle is limited and information is overloaded are solved, and the communication efficiency and watching experience of a teleconference are improved.

Disclosed herein a method for agile simulation of a stochastic computing image processing where the input operands are processed with the aid of a correlation-controlled contingency table (CT) construct without using actual stochastic bit-streams. The disclosed method utilizes contingency tables to perform (i) template matching, (ii) image compositing, and (iii) pattern detection. Results show that the proposed approach achieves similar computation accuracy to the traditional stochastic computing simulation while performing runtime- and memory-efficient computations.

The present application discloses a data transmission method and apparatus, a computer device (8), a medium, and a product. The method comprises: (S201) acquiring a display image layer, wherein the display image layer comprises a transparency layer and a color layer; (S202) dividing the transparency layer of the display image layer to obtain a divided transparency layer; (S203) mapping and compositing the divided transparency layer to obtain M first RGB images, wherein M is an integer greater than 1; and (S204) splicing the M first RGB images with a second RGB image constituted by the color layer to obtain a target RGB image, and transmitting the target RGB image. In the present application, during transmission of the display image layer, operations such as dividing, mapping, and compositing are performed on the transparency layer comprised in the display image layer, so as to optimize a transmission mode of transparency layer information, thereby improving the efficiency, stability, and reliability of transparency layer information transmission.

This application is a divisional application of Chinese application 202010876955.9. This application relates to a video compositing method, apparatus, computer device, and storage medium. The method includes: entering a dynamic background material acquisition page; selecting a dynamic background material in response to a background material selection operation triggered on the dynamic background material acquisition page; entering a video compositing preview page; playing the dynamic background material; and displaying a dynamic foreground material in an editing state overlaid on the playing dynamic background material; when a video compositing operation is triggered on the video compositing preview page, compositing the dynamic background material and the dynamic foreground material played on the video compositing preview page into a video. This method can merge at least two materials of different types into a video of interest to the user, thereby increasing viewership.

Systems and methods for image compositing are provided. An aspect of the systems and methods includes obtaining a first image and a second image, wherein the first image includes a target location and the second image includes a target element; encoding the second image using an image encoder to obtain an image embedding; generating a descriptive embedding based on the image embedding using an adapter network; and generating a composite image based on the descriptive embedding and the first image using an image generation model, wherein the composite image depicts the target element from the second image at the target location of the first image.20 24 20 30 33 08 M ay 2 02 4 A B S T R A C T 2 0 2 4 2 0 3 0 3 3 0 8 2 0 2 4 M a y 205205 FIG. 2 Generate a composite image depicting the first image and the element in the target area of the first image Provide the composite image to the user Provide a first image and a second image including an element for compositing into a target area of the first image 200200 215215 210210 2 / 172 / 17 o Provide a first image and a second image including an element for compositing into a target area of the 205 first image Generate a composite 210 image depicting the first image and the element in the target area of the first image Provide the composite image to the user 215 FIG. 2 200 20 24 20 30 33 08 M ay 2 02 4 2 / 1 7 2 0 2 4 2 0 3 0 3 3 0 8 M a y 2 0 2 4 2 1 5 2 0 0

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for compressed-domain compositing of video streams. A server obtains compressed video streams, each compressed video stream including multiple frames, each frame including a video content region that is a portion of the frame, encoded using a segment identifier for pixels included in the video content region, and encoded using a set of static symbol frequencies. The server receives, from a user device, a request for video stream content, and composites a first and a second compressed video stream to obtain a compressed-domain composite video stream including a first video content region of the first compressed video stream and a second video content region of the second compressed video stream, and provides, to the user device, a packet including a set of frames of the compressed-domain composite video stream decodable by a single decoder.

This invention provides a halftone processing method for inkjet printing based on cross-gradient halftone screens, comprising: S1, color space conversion; S2, dot basic unit design; S3, halftone screen generation and filling; S4, error diffusion processing; and S5, image compositing. The advantages of this method in terms of fundamental technology are: accurate color space conversion; stable error diffusion control; and a reliable channel processing mechanism. The advantages of this method in terms of innovation are: cross-line halftone dots provide better directionality; gradient transitions reduce graininess; and overlapping filling ensures smoothness.

The present application relates to the technical field of image processing, and provides an image processing method and a device. The method is applied to a first device. The method comprises: the first device displays a first dynamic image, the first dynamic image comprising a first subject; the first device may acquire, from the first dynamic image, a first subject image corresponding to the first subject; and, in response to an editing operation for the first subject image, the first device may perform compositing on the first subject image and a second dynamic image to display a third dynamic image, the third dynamic image comprising the first subject. In the embodiments of the present application, a subject image corresponding to a subject in one dynamic image and another dynamic image are subjected to compositing, thus generating and displaying a new dynamic image. The present application can support customized editing of dynamic images by users, thereby improving the playability of dynamic images and improving personalized experience for users.

Disclosed are dynamic system optical-to-optical transfer functions (OOTF), which adapt displayed content to provide a so-called “perceptual reference” effect for the viewer, wherein, as the current viewing conditions depart from a “reference” viewing scenario, the dynamic system OOTF adapts the content and / or display to provide the viewer with as close as possible to the perceptual effect of the “reference” viewing scenario. The dynamic system OOTF may perform one or more of the following adaptation processes: adapting media content from a source color space to a linear XYZ color space; adapting media content from a linear XYZ color space to a display device's color space; automatically adjusting display device brightness, white point, and / or black point; adapting media content from an intended viewing environment to a common compositing space's fixed viewing environment; and / or adapting media content from the common compositing space's fixed viewing environment to that of the viewer's current viewing conditions.

A system and, related method, is disclosed for enabling Chroma key compositing using a smart device, wherein an image / video of a subject situated in front of a portable monochromatic background is captured, and simultaneously layered upon a different desired background replacement that will replace only the monochromatic background captured. The portable monochromatic background structure can be a three-dimensional lighting structure affixed with a plurality of lighting modules configured to ensure a uniform light distribution across the monochromatic background and separately to ensure a uniform light distribution on the subject during the image / video capture. Moreover, a software application on a smart device can act as a system platform that enables for automatic processing of pixel correction in the monochromatic background during the Chroma key process in real-time, and light adjustment of the lighting modules on a portable monochromatic background to correct any light imperfections that impede color neutrality on the background

This application relates to a background anti-distortion method and system for video body shaping. The method includes: after acquiring the original video, performing transition detection, human detection, cross-frame identity association, and reference frame determination on the video; generating a human body mask sequence based on the reference frame; extracting the foreground of the human image according to the human body mask sequence; applying a preset deformation simulation to the original video and the human body mask sequence; determining local background removal areas based on the difference between the masks before and after deformation; performing background completion to obtain a completed background video; then performing deformation on the foreground of the human image according to the user's body shaping parameters; and combining the deformed foreground of the human image with the completed background video in a partitioned manner with the target mask sequence to output the target video with anti-distortion background. This invention can improve the temporal stability and boundary accuracy of human body masking, reduce the background completion range and computational overhead, reduce background stretching distortion and compositing traces, and improve the naturalness and processing efficiency of video body shaping effects.

This application relates to the field of image processing and display technology, and provides an image processing method, electronic device, and storage medium based on a vertical synchronization signal. The method includes: the electronic device responding to a first vertical synchronization signal to render and cache a first layer in a first buffer queue at a first moment. At the first moment, after a second vertical synchronization signal and when there is no first image frame to be refreshed and displayed in the third vertical synchronization signal, the electronic device immediately triggers layer compositing of the first layer to obtain a second image frame. The second vertical synchronization signal follows the first vertical synchronization signal and is spaced at a first preset period, while the third vertical synchronization signal follows the second vertical synchronization signal and is spaced at a second preset period. Therefore, by triggering immediate compositing when there is a delay in rendering the first layer and the corresponding third vertical synchronization signal can refresh and display the second image frame, frame dropping can be avoided, ensuring smooth image display.

Systems and methods for digital compositing are described. In an example, video frames among video frames stored in memory may be identified based on video frame latency data. The video frame latency data may specify the number of the video frame stored in the cache memory space before the video frame is selected. Scene-related information frames among scene-related information frames stored in memory may also be identified based on the timecode of the video frame. Extended video data containing one or more composite video frames may be provided based on the video frames and scene-related information frames.

This invention relates to the field of video stream compositing technology and discloses a low-latency compositing output system for video streams from rendering nodes. The system's input proxy module captures video stream data packets from multiple rendering nodes, parses and generates metadata tags in real time, and writes them to a shared memory queue. A frame synchronization manager dynamically connects to the shared memory queue, establishes a cross-node frame synchronization index table based on the timestamp sequence of the metadata tags, and triggers a frame interpolation command when consecutive timestamps are missing. A frame buffer allocator responds to the frame interpolation command by generating virtual frame placeholders and simultaneously allocates physical buffer addresses for video stream data packets with complete timestamp sequences, generating a frame storage mapping table. A compositing decision engine periodically polls this table, calculates frame space weights based on the topological location of the rendering nodes, and generates a distributed compositing path strategy based on the physical distribution of the buffer addresses. Through the collaboration of these modules, low-latency compositing output of video streams from multiple rendering nodes is achieved.

The present disclosure provides systems, devices, apparatuses, and methods, including computer programs encoded on storage media, for reducing AR power consumption via bounding sparse content. A processor obtains, for a frame of graphical content, a first indication of at least one of: the frame, an active pixel region tracked by a graphics processor associated with the frame, tile tracking compression metadata for the frame, or a tile associated with rendering of the frame. The processor computes, based on the first indication, a set of bounding regions of an active pixel set of the frame. The processor configures a workload for at least one of compositing or reprojection on the computed set of bounding regions. The processor outputs a second indication of the configured workload for at least one of compositing or reprojection on the computed set of bounding regions of the active pixel set of the frame.

This invention provides an image generation method and an image generation system using the same. The image generation method includes the following steps: Executing a text-to-image program to generate a base image based on a text prompt. Executing an image expansion drawing program to obtain an expanded image based on the base image. Executing a resolution adjustment program to adjust the resolution of the expanded image to obtain a resolution-adjusted image. Executing a hidden watermark compositing program to composite a hidden watermark onto the resolution-adjusted image to obtain a generated image. The text-to-image program, image expansion drawing program, resolution adjustment program, and hidden watermark compositing program are executed in a pipelined manner through a graphics processor and a neural processor.