30results about How to "Rendering implementation" patented technology

The present invention discloses an image rendering method and a system. The method comprises an acquisition step for acquiring the image frames of a to-be-rendered image, wherein the image frames comprise a plurality of key frames and a plurality of reference frames, one key frame corresponds to a plurality of reference frames, the key frames represent the particular scene optical information, and the reference frames represent the depth information of key frames; a processing step for acquiring two motion fields according to the plurality of key frames and the plurality of reference frames, wherein the two motion fields comprise a motion field between key frames and reference frames and a motion field between different key frames; and a rendering step for obtaining a rendered image through rendering the plurality of processed key frames. According to the invention, based on two motion fields different in scale, the 360-degree panoramic image rendering effect is realized.

The invention provides an image rendering method and apparatus, and relates to the image processing field, aiming at solving the problem that as a filter with good effect includes too many layers, real time rending is difficult to guarantee. The image rendering method includes the steps: receiving rendering indication, for an image to be rendered, input by a user; acquiring the original pixel value corresponding to each pixel for the image to be rendered; according to a preset mapping table, acquiring the target pixel value corresponding to each original pixel value; and according to the target pixel value, modifying the image to be rendered, and obtaining the image after rendering. The image rendering method and apparatus can be applied to the editing process of images and videos.

The invention relates to a page rendering method and device based on a template engine. The method comprises the following steps of monitoring a message sent by a main thread of the template engine through a working thread monitoring template; receiving the message through the working thread and parsing the message to obtain a pass parameter; making the working thread generate an HTML character string according to the pass parameter; and sending the HTML character string to the main thread of the template engine through the working thread in order to make the main thread of the template enginedisplay the page according to the HTML character string. According to the page rendering method and device based on the template engine, the rendering of the page can be accelerated, the rendering performance of the page can be improved and the condition of lag of the page can be avoided.

The invention relates to the field of computer graphics, provides a method, a device and equipment for correcting UV coordinates and a computer readable storage medium, and aims to reduce consumption of computing resources and enable a texture mapping result to be a normal effect. The method comprises the following steps: performing UV tiling on the surface of a virtual model to obtain a plurality of continuous rectangles; performing basic operation on the UV coordinates of the three vertexes of the rectangle and the side length ratio of the quadrilateral patch corresponding to the rectangle to obtain the UV coordinates (UM, VM) of the point M; based on a first interpolation algorithm, calculating UV coordinates (UMOri, VMOri) of the point M and UV coordinates (UM00, VM00) of a point M0 on the same straight line with the point M in the triangle; and correcting UM00 or VM00 of the UV coordinate of the point M0 by taking the UV coordinate of the right-angle vertex of the triangle, the UV coordinate (UMOri, VMOri) of the point M and the UV coordinate (UM00, VM00) of the point M0 as operation objects. According to the technical scheme, consumption of computing resources is small, and acceleration of rendering is facilitated.

The invention relates to the technical field of two-dimensional code generation, and discloses a multi-thread two-dimensional code generation algorithm based on Web Workers. The multi-thread two-dimensional code generation algorithm comprises the following steps that: a browser end receives a two-dimensional code generation request, and acquires two-dimensional code generation data according to the two-dimensional code generation request; encoding the two-dimensional code generation data, and taking the encoded data as two-dimensional code content information parameters; packaging the two-dimensional code content information parameter and a preset two-dimensional code parameter into a parameter object by usinga JavaScript main thread of the browser, and instantiating a Worker sub-thread; sending the parameter object in the JavaScript main thread to the Worker sub-thread; analyzing the received parameter object and calculating a corresponding two-dimensional code matrix by the Worker sub-thread; traversing the two-dimensional code matrix by the Worker sub-thread, and rendering the two-dimensional code by using a (rect) label of the SVG to obtain an SVG image of the two-dimensional code; and the Worker sub-thread sends the SVG image back to the JavaScript main thread, and the JavaScript main thread directly displays the two-dimensional code on an HTML page in an inline SVG mode.the multi-thread two-dimensional code generation algorithm improves the generation efficiency of the two-dimensional code.

The embodiment of the invention discloses a bullet screen rendering method and device, computer equipment and a storage medium, and belongs to the technical field of computers. The method comprises the following steps: acquiring target bullet screens within a target duration; drawing the target bullet screens in the same bitmap to obtain target bitmaps; uploading target textures corresponding to the target bitmaps to a video memory, wherein the target textures comprise barrage textures corresponding to the target bullet screens; and in response to the bullet screens refreshing signal, rendering the barrage texture in the target texture by calling a rendering instruction in the graphic program interface. According to the embodiment of the invention, the target barrage is drawn in the samebitmap; a primary texture uploading instruction is called to upload the target texture to a video memory; the texture uploading frequency is reduced, in the whole barrage rendering process, batch bullet screen rendering can be achieved only by calling the rendering instruction once, processor overload caused by frequent calling of the rendering instruction is avoided, the situation that playing isnot smooth when the number of bullet screens is large is relieved, and the bullet screen playing fluency is improved.

An embodiment of the invention provides a page display method and device, terminal equipment and a computer readable storage medium. The method comprises the steps that when a display instruction fora to-be-displayed page is received, page information of the to-be-displayed page is acquired from a preset data storage area, wherein the page information comprises text information of the to-be-displayed page and a uniform resource identifier of a next continuous page of the to-be-displayed page; if the page information of the page to be displayed is obtained from the data storage area, renderingand displaying the text information; acquiring page information of the next continuous page based on the uniform resource identifier of the next continuous page, and storing the page information of the next continuous page to the data storage area. According to the method disclosed in the embodiment of the invention, the loading speed of loading the next page is improved, meanwhile, advertisements, viruses and other information in the page are filtered, a pure reading space is provided, and the user experience is improved.

The embodiment of the invention discloses a model online rendering method and device.The method comprises the steps that after a server side receives a modelica model obtaining request sent by a browser side, elements forming a modelica model are determined; aiming at each element and a preset protocol, generating a json data structure corresponding to each element; and based on the json data corresponding to each element, drawing each element on an interface of a browser side by utilizing a preset rule so as to present the modelica model. According to the embodiment of the invention, by using the json data description for the modelia model, the rendering of the modelia model is realized, the rendering efficiency is improved, and the technical problem of slow rendering speed in related technologies is further overcome.

The invention discloses a three-dimensional geographic information model rendering method and system based on a generative adversarial network, equipment and a storage medium. The method comprises a geographic information three-dimensional modeling step, a three-dimensional model generation training step, an all-terrain element matching step, a three-dimensional geographic information collaborative rendering step and a three-dimensional geographic information overall rendering step. Generation of the geographic information model is achieved through an artificial intelligence method and a generative adversarial network framework, all-terrain element matching and similar terrain theme part extraction are achieved through a sliding matching mode, non-repeated rendering of similar three-dimensional geographic information model main body parts is achieved through a mode of pre-rendering in a cache in advance, therefore, the rendering speed of the three-dimensional object is improved.

The invention discloses a user behavior data rendering method and device. The method comprises the steps that a virtual document object model (VDOM) tree is established according to a document object model (DOM) tree, a VDOM node in the VDOM tree is labeled with a path identifier of a corresponding DOM node in the DOM tree, and the DOM node is an object in a page; the method also includes: according to the obtained user behavior data and the path identifier in the VDOM tree, establishing a user behavior data set comprising the path identifier and at least one corresponding user behavior data record; and after the DOM tree is rendered or updated, determining a corresponding user behavior data record in the user behavior data set according to the path identifier of the currently rendered DOM node, and using the user behavior data record to render the user behavior data for the currently rendered DOM node. The rendering of the user behavior data can be realized in the first rendering and refreshing process of the DOM, and interactive rendering is realized.

The invention discloses a dynamic scene rendering acceleration method based on light path multiplexing. The technical scheme is that the method comprises a preprocessing step and a runtime step, and the preprocessing step is executed before operation when a plurality of light rays are emitted to a scene and corresponding scattered light rays are tracked to calculate an image, and if the scene changes in the running process, the runtime step is executed; the preprocessing step comprises the following steps: S1, emitting a plurality of light rays from a light source, or emitting a plurality of reverse tracking light rays from a viewpoint; S2, calculating a propagation path of each light ray in a three-dimensional virtual scene, and calculating collision point information of the light rays and a model in the scene. According to the dynamic scene rendering acceleration method based on light path multiplexing, only the light in an area before and after an object changes is processed according to a light path stored in the preprocessing and based on the idea of path multiplexing, and acceleration rendering of a dynamic scene in light tracing applications such as games and movies and televisions can be achieved.

The embodiment of the invention provides a rendering method and device, and relates to the technical field of computer application. The method comprises the following steps: collecting an interactiveobject interacting with a target object in a visual field; shooting the interactive object from the bottom of the target object to obtain the depth texture of the interactive object; cutting the depthtexture by using the height map of the target object to obtain a height offset texture relative to a deformable region of the target object; and rendering an interaction effect picture of the interaction object and the target object by using the height offset texture. According to the technical scheme provided by the embodiment of the invention, the problem that the height offset texture obtainedin the prior art only supports the rendering of the target object on the plane and cannot support the rendering of the target object on the complex surface is solved.

The embodiment of the invention provides a water surface rendering method and device, a mobile terminal and a storage medium, and the method comprises the steps: completing the rendering processing of an opaque rendering stage through a rendering pipeline corresponding to the mobile terminal, so as to obtain a scene color of the opaque rendering stage; in the rendering pipeline, performing rendering processing based on the scene color in the opaque rendering stage to obtain a to-be-sampled scene color; and in a semitransparent rendering stage in the rendering pipeline, carrying out sampling processing on the scene color to be sampled so as to respectively obtain reflection effect data and refraction effect data of the water surface. According to the technical scheme, rendering of the reflection effect and the refraction effect of the water surface is achieved, the water surface effects rendered by the PC terminal and the mobile terminal are consistent, the water surface effect rendered by the mobile terminal can meet the art designing requirement, and therefore the experience feeling of a user in a game is improved.

The invention discloses a special effect rendering device and method for a video, relates to the technical field of Internet, and aims to solve the problems that a developer needs to develop a set of special effects for a shooting scene and a set of special effects for an editing scene, and respective special effect modules cannot realize intercommunication use under two scenes, so that resource waste is caused; through mutual cooperation of the receiving module, the confirmation module, the rendering module, the merging module and the output module, special effect visual sense of different video scenes can be the same, consistent experience is provided for a user, in addition, the design scheme can develop special effect modules for different video scenes, the cost is saved, iteration is facilitated, and through a merged GLSL program, the user experience is improved. Rendering of the video frame is realized; compared with the prior art, the operation times of the GLSL program are reduced, and the rendering efficiency is improved.

The embodiment of the invention provides graph drawing equipment, a graph drawing method and a graph drawing device, and relates to the field of computer communication. The graph drawing equipment comprises a graph processing program and a processor, and the graph processing program is used for obtaining preprocessed data of a target graph and a rendering program of the preprocessed data; compiling the rendering program to generate a machine code; wherein the preprocessing data comprises drawing data used for performing graph drawing on the target graph; the machine code comprises hardware executable instruction information matched with the rendering program; and the processor is used for processing the drawing data through the machine code to obtain the target graph. According to the embodiment of the invention, compiling of the rendering program and rendering of the drawing data are realized by combining a pure software mode on the basis of an existing processor; compared with the scheme of rendering and drawing the graphic information based on a display chip in the prior art, the method and the device get rid of the constraint of a hardware chip, lower the technical threshold of graphic processing, and meet the personalized development requirements of users.