31 results about "Graphics library" patented technology

The invention relates to an OpenGL (Open Graphics Library)-based large-scale three-dimensional model object quick pickup method. The method comprises the following steps: converting an interactive operation of a user into a three-dimensional space structure; a CPU constructs octree space acceleration structures based on a bounding box of an object in a large-scale three-dimensional model, and leaf nodes, intersecting with a pickup ray or a pickup view pyramid, of an axis alignment bounding box in each octree space acceleration structure are screened out to serve as candidate leaf nodes; collecting triangles contained in all candidate leaf nodes, and constructing a candidate triangle set; dynamically allocating thread groups and threads of the GPU based on the number of candidate triangles in the candidate triangle set; and performing highlight display on the candidate triangles intersected with the pickup ray or the pickup view cone, and feeding back IDs of the corresponding candidate triangles. According to the method, the data transmission quantity and the video memory access pressure are remarkably reduced, the pickup response time is greatly shortened in a large-scale three-dimensional model scene, and the requirements of real-time interaction and visual operation can be met.

The invention discloses an electric connector detection system and method based on vision, and belongs to the field of machine vision and industrial detection, and the system comprises a large constant water star series industrial camera, a multi-angle and high-uniformity adjustable light source system, a product feeding moving and packaging mechanism, a computer control system and UI software. Wherein the computer control system adopts multi-thread scheduling, a modular architecture and a sub-pixel-level algorithm, and supports high-throughput processing of 3-6 4024 * 3036 pixel industrial cameras, an image acquisition module of the computer control system can uniformly manage multiple models of cameras, and a UI (User Interface) is a drag-and-drop interface and integrates debugging tools such as OpenGL (Open Graphics Library) and parameter hot loading; the method comprises the steps of hardware configuration, trigger starting, image acquisition, positioning correction, ROI drawing, detection, reference line determination, size measurement and sorting control, ROI drawing can adapt to regular and irregularly arranged pins, the adaptability is high, the precision is high, operation is convenient and fast, full-process automatic detection can be achieved, and the requirement of a high-speed production line is met.

The invention discloses a realistic simulation method for a fluffing and pilling process of a knitted fabric under a fiber scale, and relates to the technical field of realistic simulation of the fluffing and pilling process of the knitted fabric in the textile industry. The method aims at solving the problems that an existing knitted fabric fuzzing and pilling simulation method is difficult to accurately simulate a complex process on the fiber scale, and a simulation result lacks a sense of reality. The method comprises the following steps: constructing a mass point-spring model of the knitted fabric, discretizing yarn sections into mass points and connecting the mass points through a virtual spring, integrating a fiber entanglement calculation module on the basis of the model, simulating complex entanglement behaviors among fibers by adopting a diffusion limitation aggregation model, and calculating normal contact force and tangential friction force in real time. When the tangential friction force exceeds a fiber cohesive force threshold value, triggering a fuzzy ball to form an initial condition; defining and calculating local friction energy, and generating a fuzzy ball surface texture in combination with a Perlin noise function and a fractal texture technology; and finally, realizing high-quality rendering and developing a user interaction interface by utilizing a high-level graphics library.

The silicon steel sheet machining equipment comprises an unwinding mechanism, a shearing mechanism, a first driving device, a feeding mechanism and a control system, the feeding mechanism comprises a first limiting module and a second limiting module, an iron core graphic library is arranged in the control system, and various silicon steel sheet graphs are stored in the iron core graphic library; the control system can be used for selecting one silicon steel sheet pattern and can be used for adjusting a width parameter and a shearing length parameter of the silicon steel sheet pattern; the feeding mechanism further comprises a synchronizing mechanism, the control system adjusts the first limiting module and the second limiting module through the synchronizing mechanism according to the width parameters of the silicon steel sheets, and the control system controls the unwinding speed of the unwinding mechanism according to the shearing length parameters of the silicon steel sheets and controls the first driving device to drive the shearing mechanism to move. On the basis of graphics library control, the adjustable shearing mechanism and the adjustable feeding mechanism are combined, and corresponding graphics and parameters are selected when products are replaced, so that machining of silicon steel sheets of various specifications can be automatically adapted.

The invention provides a method and a system for quickly encoding an image in a 3D (three-dimensional) engine. The method for quickly encoding the image in the 3D engine comprises the following steps of: rendering the contents of a plurality of Cameras to the same RenderTexture, and distinguishing the positions of different Cameras; obtaining a bottom layer graphics library pointer of a RenderTexture object through a RenderTexture.GetNativeTexturePtr method provided by Unity, and obtaining a bottom layer graphics library pointer of the RenderTexture object according to the bottom layer graphics library pointer of the RenderTexture object and the bottom layer graphics library pointer of the RenderTexture object and the bottom layer graphics library pointer of the RenderTexture object and the bottom layer graphics library pointer of the RenderTexture object and the bottom layer graphics library pointer of the RenderTexture object. A graphic pointer is obtained through RenderTexture, a resource format is converted and mapped into a CUDA memory, a GPU is used for coding into a preset format, and a video memory is reused to reduce resource consumption. The system comprises modules corresponding to the steps of the method.

The invention relates to an external display screen driving method and system based on an Android system, an external display screen is connected with Android equipment through a low-speed serial interface, and the method comprises the steps that S1, a Native layer initialization function is called through a JNI interface on an Android application layer; s2, an LVGL graphic library is loaded on a Native layer; s3, registering and adapting external display screen hardware of the low-speed serial interface through a display driving interface of the LVGL graphics library; s4, executing a color space conversion algorithm on the Native layer, and converting color graphic data output by the LVGL graphic library into color format data suitable for the target external display screen; and S5, transmitting the converted display data to an external display screen through a device driving interface of the Linux kernel. According to the method, the lightweight LVGL graphics library is integrated into the Android application through the JNI technology, and the display screen connected through the low-speed serial interface is directly driven in the user space, so that the efficient and flexible display driving is realized under the condition that the source code of the Android system is not modified, and the multi-screen different display function is supported.

Techniques for aircraft communication are described. In an aspect, aviation data in a first format is parsed to identify a type of aviation data, where the aviation data includes at least one of textual content and non-textual content. The aviation data is transformed from the first format to a second format compatible to be transmitted over an Aircraft Communications Addressing and Reporting System (ACARS) network in correspondence to the identified type of the aviation data, where the transforming of the aviation data based on the identified type includes invoking graphical libraries to transform non-textual content into a format compatible with the ACARS network. Further, the transformed aviation data is transmitted to at least one destination over the ACARS network. In another aspect, receiving and processing ACARS messages by transforming them into a format suitable for rendering at a destination are provided, where the message includes textual and non-textual content.

The application provides an adaptive equidistant display method and device for engineering safety monitoring time series data, relates to the technical fields of data visualization and engineering safety monitoring, and comprises the following steps: calculating a time axis display range based on a timestamp sequence of all data points; calculating a target label quantity according to the screen width of a display device in combination with a preset minimum label spacing and character width; generating a set of equidistantly distributed virtual scale points based on the target label quantity and the time axis display range; hiding the original scale lines of the X axis, taking the set of virtual scale points as a label positioning reference, drawing text labels at the corresponding positions, and obtaining a scale label array; and generating a vertical reference line for each point in the set of virtual scale points after each update through the marking line function of a graphics library, and displaying the vertical reference line and the scale label array. The application can overcome the defects of the traditional ECharts visualization scheme in the display of non-fixed cycle monitoring data.

The application discloses a kind of situation map two three-dimensional integration rendering method, the method is based on tile pyramid model organization two three-dimensional map data, by real-time projection transformation realizes two three-dimensional dynamic switching.Grid tile and vector tile are used to efficiently render remote sensing image and vector;Integrated situation graphics library is constructed, unified organization and rendering of situation target graphics are realized, and the efficiency of graphics rendering is improved by using GPU hardware acceleration.Compared with traditional two three-dimensional view independent rendering, it saves storage space, reduces data redundancy, realizes two three-dimensional real-time dynamic switching under the same view, and provides unified display effect.Using vector tile significantly improves the efficiency of vector data rendering, and the integrated graphics library provides a faster way for situation graphics display, making battlefield environment simulation more convenient and smooth, and improving user experience.

The invention relates to the technical field of document processing and automation, in particular to a graphical tool and bidding document generation system and method based on a large model, and the method comprises the steps: obtaining a natural language description or bidding document template document input by a user, and recognizing a graph in the document to generate placeholders; the input information is sent to a large language model for semantic analysis and reasoning, and structured graphic data conforming to predefined JSON Schema is output; based on the data, calculating a non-overlapping and cross-minimized graphic element space layout through an automatic layout algorithm, driving a vector graphic library to generate a standard vector graphic and converting the standard vector graphic into a bitmap format; finally, the bitmap is automatically inserted into the position of a placeholder corresponding to the bidding document, map note adding and format adjusting are completed, and a complete bidding document of an integrated graphical representation is output. According to the method, end-to-end automatic generation from a natural language to a professional graphical representation is realized, and the bidding document compiling efficiency and the graphical representation quality are remarkably improved.

Provided are a method, a system and an electronic device for implementing flexible graphics enhancement and execution. For example, a flexible graphics enhancement and execution component can be an integrated element of a graphics application programming interface (API) that allows a visual effect of style to be added to the 3D graphics rendered from a mobile game. The techniques can include intercepting an initial function call, where the initial function call is associated with a graphics API rendering an image for an application. Then, a custom function can be automatically generated, based on the intercepted initial function call. A pointer associated with the generated custom function can be returned to the application, where the custom function modifies an output from the graphics API to add a visual effect to a three-dimensional (3D) rendered image of the application. The graphics API can be an Open Graphics Library (OpenGL) API.

The invention discloses a table rendering method and system based on a plane rendering engine. The method comprises the following steps: reading and analyzing table drawing record data of a user; generating a table view model according to the analyzed table drawing record data; based on the current window position and the zooming parameter, calculating a window cutting area through a rectangular intersection detection algorithm to determine a visible area of the table; calling a graphics library API (Application Program Interface) of a plane rendering engine, executing native drawing on the cells in the visible area based on the table view model, and generating a general rendering instruction; and converting the general rendering instruction into a specific rendering instruction of a corresponding rendering kernel by the plane rendering engine according to the rendering kernel type of the current operating environment, and completing presentation of the table on the canvas. A native drawing mechanism based on a view model and window cutting is realized based on a plane rendering engine, and a high-performance, high-degree-of-freedom and cross-platform consistent table rendering effect is realized.

The invention provides a three-dimensional component test method, system and device and a storage medium, a three-dimensional component model is obtained by obtaining a three-dimensional component file and rendering based on a webpage graphics library tool, and a test instruction sequence for the three-dimensional component model is generated for test operation in response to test information input of a user interface. Obtaining node test rendering data of the three-dimensional component model based on a preset test node, determining a node test result based on a comparison result of the node test rendering data and preset test boundary information, and when the test operation is executed, generating a three-dimensional component test report based on all the node test results and displaying the three-dimensional component test report; according to the method and the device, the webpage of the test process is realized through the webpage graphics library tool, the test task can be executed more conveniently, the structured test instruction sequence is generated in response to the input of the user interface, the creation and application efficiency of the test case is improved, and finally, the test result analysis accuracy is improved through automatic test result analysis based on the preset test node.

A system and method for performing graphics processing is provided. The system and method includes processing an allocation command for a buffer object; reserving processor address space for a data store of the buffer object with uncommitted physical memory in response to the allocation command including a null parameter, and reserving processor address space for a data store of the buffer object with committed physical memory in response to the allocation command including a non-null parameter.

This invention relates to the field of chip design, and particularly to an optical proximity correction method, apparatus, device, and computer-readable storage medium. The method involves receiving original layout information; determining redundant graphic information in the library based on the original layout information and a preset redundant correction graphic library; replacing the redundant graphic information in the library with corresponding redundant correction graphic information using the library to obtain intermediate layout information; performing optical proximity correction on the areas to be processed in the intermediate layout information to obtain target mask graphic information; the areas to be processed in the intermediate layout information are the areas that have not been replaced; and obtaining OPC mask layout information based on the target mask graphic information and the intermediate layout information. This invention significantly reduces the time required for optical proximity correction of chip layouts, improves tape-out efficiency, and shortens the chip design verification cycle.

The invention discloses an embedded user interface system, a design method and intelligent equipment, and the system comprises an application layer which is used for integrating an SFC source file at a source code level through a single file UI component, and is also used for compiling and packaging the SFC source file to obtain a JS byte code; a QuickJS engine is embedded in the runtime framework layer, and the runtime framework layer is used for analyzing and executing JS byte codes; the virtual data layer is used for converting the JS byte code into a virtual node tree through a specified programming language and generating a minimum UI updating instruction set through a differentiation algorithm; the graphics library rendering layer is used for generating a corresponding graphics library component object tree based on the minimum UI updating instruction set, completing drawing of an interface and controlling updating of a graphical user interface; and the operating system layer is used for providing an access mechanism for bottom-layer external equipment through the embedded system kernel, and is also used for receiving a user instruction to perform task scheduling and memory management.

The application provides a substation graphical electrical circuit modeling method, comprising: receiving secondary equipment wiring checking work tasks; determining the electrical circuit to be checked and its associated devices and electrical equipment according to the secondary equipment wiring checking work tasks, and further determining the screen cabinet, the small room and the electrical port connected therewith; binding the devices, the electrical equipment, the screen cabinet, the small room and the electrical port based on a combined graphics library and an information model database to realize the graphical modeling of the electrical circuit to be checked; wherein the combined graphics library is composed of images of the devices, the electrical equipment, the screen cabinet, the small room and the electrical port in the substation; the information model database is composed of information models of the small room, the screen cabinet, the devices, the electrical equipment and the electrical port, and the information models form corresponding relationships with the graphics by carrying different attributes and assignments. By implementing the application, the defects existing in the current secondary equipment account management mode can be avoided, thereby reducing the checking difficulty, the missed detection and the wrong detection of the key circuit.

A technique for graphics processing is disclosed. The technique includes processing an allocation command for a graphics resource object, wherein the graphics resource object is a representation of a data store, the allocation command reserving address space for the data store as a sparse data store with uncommitted memory; and processing a commitment command for the graphics resource object that specifies a range of the data store and includes an indicator of commitment state, wherein processing the commitment command sets a commitment state of memory for the specified range according to the indicator.

This application provides a bitmap lighting rendering method, apparatus, and device. The method includes: acquiring bitmap data and current map view parameters; sending a request to a server to receive tile data, and drawing a Web map tile service base layer; when the current zoom level is higher than a threshold, performing a Web graphics library rendering step; the steps include: filtering bitmap data to obtain a set of visible points; drawing the set of visible points based on graphics processor instantiation technology; calculating brightness distribution data using fragment shaders; processing the brightness distribution data using additive blending; adjusting rendering parameters using multi-level detail technology to obtain a target rendering layer; adjusting the weights of the base layer and the target rendering layer to obtain a lighting rendering result; and outputting to the display canvas of the current map view. This application effectively solves the problems of poor visual quality of lighting effect rendering and insufficient dynamic interaction capabilities in existing Web-based visualization technologies for large-scale bitmap data.

This application discloses an online BIM model and design drawing review method, apparatus, equipment, and storage medium, relating to the field of engineering digital visualization technology. The method includes: classifying and version-managing BIM models and design drawings according to workspace to form a review asset management library; extracting data and converting it into triangular mesh review data; rendering a 3D model and 2D drawings using a network graphics library 3D engine; registering and linking the viewports of both to construct a 2D / 3D viewport system; performing model overlay, screenshot annotation, and online editing to generate review records and comments; and finally binding the records and comments to the corresponding model and drawing data to complete the review. This application can reduce the hardware and software operation threshold and improve the automation and online level of the review process in engineering BIM model and design drawing review.

This invention discloses a graphic information processing method, system, and computer-readable storage medium, comprising: preprocessing an acquired integrated circuit layout to obtain a graphic library; calculating an index for each polygon in the graphic library based on a preset evaluation formula to obtain an evaluation index value corresponding to each polygon, wherein the evaluation index value is used to characterize the occurrence probability of a unit pattern of a preset polygon, and the unit pattern is used to characterize a repeating pattern including the minimum size of the preset polygon; sorting the unit patterns of the polygons according to the evaluation index values ​​to obtain an instance set; performing pattern expansion on the elements in the instance set based on a preset simulated annealing algorithm to obtain repeating graphic information; and updating the integrated circuit layout according to the repeating graphic information to obtain a target layout. In this embodiment of the invention, by performing pattern expansion and index calculation on the polygons, the efficiency of repeating pattern extraction can be improved and computing resources can be saved.

The application belongs to the technical field of graphic display, and particularly relates to an embedded UI picture display optimization method and a storage medium thereof. When an embedded device is powered on and initialized, the entire resource package file is read from a nonvolatile memory, picture metadata in the resource package file is parsed, and continuous memory space is pre-allocated for each picture in an off-chip programmable static memory according to the picture metadata. All picture data in the resource package file is loaded into the corresponding pre-allocated memory address in the off-chip programmable static memory at one time. In a graphic interface rendering process, when a picture needs to be displayed, picture data is directly read from the corresponding memory address in the off-chip programmable static memory which has been loaded and is transmitted to a graphic library for drawing. Reading delay is greatly reduced, rendering efficiency is significantly optimized, and multi-picture switching smoothness is improved.

This application provides an image colorization processing method and related apparatus. The method includes: retrieving an image to be processed from a central processing unit (CPU) via an open graphics library; performing graphical processing on the image to obtain a graphical processing result; retrieving parameter data of a deep learning model from the CPU via the open graphics library; configuring the deep learning model using the parameter data; and retrieving the graphical processing result from the open graphics library and applying it to the configured deep learning model for colorization rendering, thereby sending the colorization rendering result to a display device for display. This eliminates the need to send the colorization rendering result back to the CPU, allowing it to be directly sent to the display device for display, reducing data transmission time and resource consumption during data transmission, and improving the efficiency of colorization rendering.

An apparatus and method for performing efficient sharing of network-based resources. In various implementations, a computing system includes a remote server providing a streaming service to a client computing device over a network. The remote servers include shared resources that provide services and content on the client computing device. When executing instructions of a shared layer of a graphics library, the circuitry of a parallel data processing circuit of the remote server searches for any instances sharing the image object. If there are any instances sharing the image object, then the circuitry maintains the image object stored in a first location of the local shared memory. The circuitry performs a copy on write operation using a local non-shared memory to generate the copy of the first image object in a second location different from the first location of the local shared memory.

The application is a kind of real feeling simulation method of fiber scale woven fabric based on OpenGL.The application relates to the technical field of real feeling simulation of woven fabric, the center line path of yarn is fitted through NURBS curve, the geometric model of yarn is constructed and the fluff effect texture map is added, the interlaced structure is formed based on the simulation of yarn path of NURBS curve; the real yarn image is collected and the texture information is extracted, the PBR material map is generated; the OpenGL graphics library is used for rendering, the stereoscopic sense is enhanced through light and shadow processing, the real-time interactive control and parameter adjustment of the model are realized; the LOD is used for dynamically adjusting the model detail level, and the rendering efficiency is improved in combination with GPU acceleration.The application simulates the bending and interlaced details of yarn through fiber scale modeling, combines the physical rendering and real-time interaction technology, and significantly improves the real feeling, detail expressiveness and design efficiency of the simulation of woven fabric.

The invention discloses an application building method and device, electronic equipment and a nonvolatile storage medium. The method comprises the following steps: in response to a first configuration instruction triggered in a front-end interaction interface, determining a target atomic component and / or a target material resource; determining layout information corresponding to the target atomic component and / or the target material resource; determining a linkage logic relationship between the target atomic component and / or the target material resource; and loading the target application according to the layout information and the linkage logic relationship. According to the method and the device, the technical problems of low cloud network application construction efficiency and poor maintainability caused by the fact that front-end development of cloud network convergence services in related technologies depends on manual writing of graphics library codes by professionals are solved.

This application provides a method for determining the positions of key points on a display device and the human body. This method eliminates traditional dedicated hardware such as sensors / radar during user posture data acquisition and processing, collecting data solely through a camera and directly acquiring the video stream using WebRTC technology natively supported by the browser, without requiring additional equipment. The human posture recognition model is integrated into the user device using TensorFlow.js, enabling on-device inference and avoiding data uploads to the cloud, thus eliminating transmission latency at its source. Model inference is completed on the browser side, accelerated by a web graphics library to improve processing efficiency and ensure real-time performance. The approximate positions of key points are located using the maximum probability of a heatmap, and then corrected using offsets to improve the positioning accuracy of human key points, further optimizing transmission efficiency and solving the problem of data transmission latency and its impact on transmission efficiency in current user posture data acquisition and processing.

The invention relates to a conference system based on multi-modal interaction and dynamic layout self-adaption, which comprises an upper computer, a processor, a single chip microcomputer and a display screen, and is characterized in that the upper computer automatically generates a basic layout of a UI interface through upper computer software, the processor constructs the UI interface by using a lightweight graphics library according to the basic layout, and the display screen displays the UI interface. The single-chip microcomputer drives the display screen to display the corresponding UI interface according to the UI interface. By adopting the conference system based on multi-modal interaction and dynamic layout self-adaption, the adaptability can be improved, and the production cost can be reduced at the same time.

Provided are a method and apparatus for displaying rounded corners on a display screen, a device, an automobile intelligent cabin and a vehicle. The method includes: acquiring a user interface image material with rounded corners; performing a display rendering process on the user interface image material and displaying the user interface image material on a display window according to a user interface display algorithm of an open graphics library; and performing hardware layer allocation on the display window through a display driver to display the user interface image material on the display screen.