31 results about "Patch model" patented technology

The invention discloses a non-coal mine slope stability evaluation method based on multi-working-condition analysis, and the method comprises the steps: obtaining a rock-soil data set, a multi-working-condition data set and a monitoring data set of a non-coal mine slope, carrying out the clustering of the rock-soil data set, and obtaining parameter partitions, based on the parameter partition and the multi-working-condition data set, a patch model is obtained through a patch algorithm, stability evaluation is conducted through a limit equilibrium method by using the parameter partition and the patch model, a first slope stability result is output, a relatively dangerous area is screened out according to the first slope stability result, and the relatively dangerous area is obtained. And performing stability evaluation on the relatively dangerous area through a finite element method, outputting a second stability result of the slope, and taking the second stability result as a final evaluation result. According to the method, an efficient and reliable evaluation result is provided for non-coal mine slope disaster prevention and control through a step-by-step verification process of combining a double-patch model with a limit equilibrium method and a finite element method.

The invention belongs to the field of vulnerability type classification, and particularly discloses a security patch classification method and system based on pseudo label learning, and the method comprises the steps: obtaining a to-be-classified security patch; performing feature extraction on the security patch to obtain key semantic features; inputting the key semantic features into a trained security patch model to obtain a classification result of the security patches; wherein the security patch model is obtained by performing key semantic information extraction on a security related patch data set and a label-free patch data set and performing pseudo-label learning according to the key semantic information. According to the invention, the classification accuracy and efficiency of the security patches can be improved.

The invention discloses a triangular mesh subdivision method based on vertex normal interpolation calculation. The method comprises the following steps: S1, coding and storing all points, lines and surfaces; s2, calculating protrusion indexes of all surfaces; s3, inputting a subdivision threshold degree a, and inputting subdivision intensity b; s4, determining all surfaces needing to be subdivided according to the subdivision threshold degree a; s5, subdivision calculation is carried out; s6, circulating all the to-be-subdivided surfaces, and performing subdivision calculation; s7, carrying out topological optimization again; and S8, carrying out coding storage on points, lines and surfaces of the graph after topological optimization. By calculating and optimizing the triangular patch model, the subdivision smoothing processing of the abrupt area of the model is realized, so that after the model is optimized, the surface of the model is smoother, a better display effect is kept, the operation performance of the model is greatly improved, and the effect display and fluency of live-action three-dimensional rendering and demonstration are ensured.

The image processing apparatus executes: processing of acquiring a plurality of images of a subject captured with overlapping imaging ranges from a plurality of viewpoints; processing of detecting damage to a surface of the subject from the acquired plurality of images; processing of generating three-dimensional point group data of feature points; processing of generating a three-dimensional patch model of the subject on the basis of the generated point group data; processing of selecting an image corresponding to each patch of the three-dimensional patch model from the acquired plurality of images; processing of measuring a size of the damage in a region corresponding to the patch in the selected image; processing of generating correction information necessary for correcting a measurement result of the size of the damage; and processing of correcting the measurement result of the size of the damage on the basis of the generated correction information.

The present disclosure provides a plant model processing method and device and electronic equipment. An initial plant model is obtained. The initial plant model includes a plurality of sub-models and a texture map. The texture map is used to indicate the color displayed on the surface of the sub-model and the transparency of the surface of the sub-model. Based on the texture map, a patch model in the plurality of sub-models is determined, and a corresponding entity model of the patch model is generated. Based on the initial plant model and the entity model, a target plant model is generated. This way can generate a high-precision plant model based on a low-precision plant model, improve the generation efficiency of the high-precision plant model, and reduce the labor cost.

1. Name of this product design: Folding Knife Trainer (Balance Patch Model). 2. Purpose of this design: It is an instrument for training hand dexterity and safe opening and closing skills. It is made of high-strength plastic, and its blade is blunted and has no cutting edge. It does not have cutting or piercing functions, ensuring safe training and performance props. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention provides a model rendering method and apparatus, and an electronic device. The method comprises the steps of determining a target region in a target model; the target model is located in a specified virtual space, and the specified virtual space is provided with a patch model; based on the target area, determining a position parameter of the patch model in a specified virtual space; based on the position parameters and pre-generated crack effect texture parameters, rendering the surface patch model to control the surface patch model to display a crack effect on the surface of the target model; the crack effect texture parameters are generated based on the stress distribution parameters and the crack elements. According to the mode, the crack effect can be generated in the target area in the target model through the patch model and the crack effect texture parameters, the generation position of the crack effect can be adjusted according to requirements, manual modification by related workers is not needed, and the labor cost is reduced; crack texture parameters are generated based on stress distribution parameters and crack elements, logicality and result layering sense are achieved, the formed crack effect is vivid, and the visual experience of a user is improved.

The invention discloses a method and a system for visual inspection and control of a powder bed melting manufacturing process, and relates to the technical field of visual defect identification of a powder bed melting technology.The method comprises the following steps: obtaining slices of a part patch model, extracting geometric features of each layer, and obtaining a part patch model; different areas of each layer are divided into a forming risk area, an easy-to-generate defect area and a common area; defining defect severity thresholds and defect area thresholds of different regions, and defining judgment rules of the different regions; a powder bed image in the printing process is obtained and preprocessed, and an enhanced image is output; extracting defect features and geometric features in the enhanced image, identifying defect positions, and calculating defect areas; when the defect area and / or the defect severity are / is larger than a threshold value, a corresponding feedback strategy is triggered, and the method has the advantages that through multi-level collaborative optimization, the core problems that in the prior art, the small defect detection capacity is insufficient, the complex part misjudgment rate is high, and feedback lags are comprehensively solved.

The invention discloses a stable diffusion model controllable training method based on group fairness, which starts from the root of a problem, does not add an additional patch model to an original model, and carries out training transformation on a stable diffusion model from two aspects of training sample weight and optimizing a loss function. And additional storage and calculation cost caused by a patch model is avoided. The method does not depend on a plurality of'patch 'models, but carries out overall training optimization on the original model, so that the problem that different'patches' are difficult to take effect at the same time does not exist, a'patch 'fusion mechanism does not need to be considered, the service scene requirements in a'vertical domain' can be better adapted, the generation quality of the model under specific data distribution is improved, and the method is suitable for large-scale popularization and application. And meanwhile, the cost is also reduced.

The present disclosure relates to an image processing method and apparatus, a computer-readable storage medium, and an electronic device, and relates to the field of computer technology. The method comprises: obtaining an image to be processed and a patch model, determining the display coordinates of the patch model on a screen, and determining a radial blur direction based on the display coordinates; performing radial blur processing on the image to be processed based on the radial blur direction to obtain a radial blur processing result of the image to be processed based on the patch model; and performing color shift processing on the radial blur processing result to obtain a color shift processing result of the image to be processed based on the patch model. The present disclosure achieves a superimposed effect of radial blur and color shift.

This invention provides a method and system for designing and verifying vehicle structural reinforcement based on vehicle damage. The method includes collecting test data from vehicle tests under specific operating conditions and processing the test data; performing rainflow counting statistics on the processed test data and calculating the cumulative pseudo-damage value of key parts of the vehicle; quantitatively comparing the cumulative pseudo-damage value with the pseudo-damage value of a standard durability road spectrum to obtain the damage degree of key parts under specific operating conditions; identifying high-risk parts of the vehicle based on the key parts and damage degree, and designing and generating patch models adapted to the high-risk parts; sequentially evaluating and analyzing the patch models to obtain evaluation and analysis results, and verifying whether the patch models meet the strain strength requirements based on the evaluation and analysis results. This invention, by generating adapted patch models, enables targeted and precise repairs, thereby enabling rapid and effective preventive reinforcement or repair of vehicles.

The application provides a construction method and device of a patch combination model and electronic equipment. A target model and a preset number of initial patch models are acquired. A patch model corresponding to the target model is generated based on the target model and the initial patch models. The position parameters and / or size parameters of the patch model match the target model. Rendering parameters of the patch model are determined based on rendering parameters of the target model. A patch combination model corresponding to the target model is constructed based on the patch model and the rendering parameters of the patch model. This method simplifies the construction process of the patch combination model and improves the construction efficiency.

The invention provides a virtual model rendering method and device, equipment and a storage medium, and the method comprises the steps: displaying a target virtual model in a virtual scene, responding to an editing instruction for a first model surface in a plurality of model surfaces, determining a first editing parameter, determining a first texture map according to the first editing parameter, and displaying the target virtual model in the virtual scene. And the first patch model is rendered through the first material map, so that the first model surface of the target virtual model visually presents an appearance expression effect corresponding to the first material map. By setting the corresponding patch model on the model surface of the target virtual model and rendering the patch model, the wall rendering process and the wallpaper rendering process can be separated, and the wallpaper editing effect is achieved by rendering the patch model under the condition that direct wall editing is avoided. In addition, redundant sampling can be reduced, rendering time consumption can be reduced, and the problem of waste of no-load resources can be completely eradicated from the source.

The invention discloses an attachment model rendering method, device and equipment and a readable storage medium, and the method comprises the steps: determining a to-be-rendered initial attachment model and a target object to which the initial attachment model is attached, and the initial attachment model comprises a skeleton chain formed by connecting a plurality of skeletons in sequence and a patch model associated with the skeleton chain; in response to the movement of the target object in the virtual scene, sequentially determining the rotation amount of each skeleton in the skeleton chain based on the movement speed of the target object; and based on the rotation amount of each skeleton, rendering the patch model to obtain a rendered target attachment model. According to the scheme provided by the embodiment of the invention, while the rendering effect that the attachment model moves along with the target object is realized, the uncontrollable fluttering effect occurring when the attachment model is rendered based on a real physical engine is avoided, and the game experience of a user is effectively improved.

The invention belongs to the technical field of computational mechanics, and particularly discloses an embedded domain isogeometric analysis method and system based on model boundary adaptive division, and the method comprises the steps: embedding a patch model constructed according to a CAD model into a background grid, and constructing the background grid based on a B-spline function; based on a background grid, performing adaptive division on the patch model: combining coplanar patches with the same normal vector direction to form a polygon, and performing topological division on the polygon with a complex configuration to obtain polygon units; intersection points of the polygon units and the grid units are determined, a Delaunay subdivision method is adopted to divide the patches again, it is guaranteed that each new patch unit only belongs to a single grid unit, and the normal vector direction of each new patch unit is consistent with the normal vector direction of an original patch unit; and carrying out geometric analysis such as an embedded domain based on the patch model. According to the method, the problem of grid division in analysis methods such as finite elements is solved, meanwhile, compared with other embedded domain methods, the problem complexity is simplified, and the analysis efficiency and universality are improved.

The model rendering method provided by the invention comprises the following steps: acquiring a role model file and an animation file; instantiating the role model file to form a role model array; performing batch rendering on the role model array according to a plurality of preset rendering angles and the animation file to generate a plurality of groups of sequence frame images; performing multi-level synthesis on the multiple groups of sequence frame images according to a preset synthesis rule to generate a total sequence frame texture; creating a shader program, the shader program including a double-layer UV coordinate mapping mechanism for positioning image frames of a specific action and angle in the total sequence frame texture; and constructing a patch model, and applying the total sequence frame texture and the shader program to the patch model to replace the role model array for rendering. Through the method provided by the embodiment of the invention, the calculation burden of real-time rendering is remarkably reduced while the visual effect is maintained, so that the rendering efficiency of a large-scale role array scene is improved.

The present application relates to the field of bridge engineering, and particularly relates to a segment corner reconstruction method and system based on scanning data, the method comprising: based on the three-dimensional point cloud of the bridge segment and the surface patch model corresponding to the point cloud, respectively performing edge line fitting and reconstruction and surface fitting and reconstruction; determining the bridge segment corner point according to the corner point obtained by edge line fitting reconstruction and the corner point obtained by surface fitting reconstruction, the present application improves the success rate of corner feature extraction by the reconstruction fitting method under the condition of missing part of the scanning point cloud in the prior art, reduces the work difficulty of the early scanning operation, improves the operation success rate, avoids multiple scanning, and provides different reconstruction fitting methods according to the common corner error sources in the field, so as to adapt to the corner error extraction under different interference conditions.

The invention discloses a large-scale scene area reduction optimization method, device and equipment based on a clustering algorithm, and the method comprises the steps: calculating a vertex normal vector, and constructing a triangular patch topological relation; carrying out multi-condition plane region judgment, and carrying out merging and topological optimization processing on the plane regions meeting the conditions; multi-mode detection is carried out, contour points of the triangular patch model are judged, K-Means clustering is carried out on non-contour points, and a point set is formed; and performing triangulation on the point set, and reconstructing to generate a new triangular patch model. Through calculation optimization of the triangular patch model, smoothing processing of the abrupt area of the model is realized, so that after the model is optimized, abnormal point surface protrusions of the model are reduced, patch redundancy is reduced, a better display effect is kept, the operation performance of the model is greatly improved, and effect display and fluency of live-action three-dimensional rendering and demonstration are ensured.

An embodiment of the present invention provides a method and device for producing cartoon dynamic effects, the method comprising: obtaining shading parameters of a preset shader, the shading parameters comprising interpolation function values, bisection function values, and program noise data; calling a prefabricated patch model to perform fitting according to the shading parameters to generate dynamic light and shadow data; generating a cartoon flame model and a cartoon smoke model based on the vertex animation of the preset shader and the program noise data; and combining the dynamic light and shadow data, the cartoon flame model, and the cartoon smoke model to generate a cartoon dynamic model. The embodiment of the present invention can generate a high-quality three-dimensional cartoon dynamic model with a strong sense of volume; can support surround shots, close-up shots, and slow shots without frame freezes, and uses simulated lighting effects to reduce a large amount of performance overhead while being able to display different lighting effects in different environments.

An artificial intelligence cerebral aneurysm detection system using 3D angiographic CT according to one embodiment of the present invention comprises: an input unit for acquiring a CT image of a patient; and an information processing unit including a patch model operating processor for operating a patch model that predicts the location of a cerebral infarction on a patch basis, and a patient model operating processor for operating a patient model that predicts the presence or absence of a cerebral aneurysm on a patient basis based on the results of the patch model. By doing so, the presence or absence of a cerebral aneurysm in a patient can be determined, thereby contributing to the improvement of the accuracy of cerebral aneurysm diagnosis.

The application provides a hair model generation method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining a patch model of a hair effect to be rendered; determining a hair section to which the patch model belongs according to position information of the patch model; calculating an offset amount of the patch model according to the hair section to which the patch model belongs and offset slopes of different hair sections; and generating a hair model based on the patch model and the offset amount of the patch model. By setting different offset slopes in different hair sections, the offset amount of the patch model is controlled in multiple sections. In the case of a certain number of layers of patch models, the offset amount of the patch model belonging to different hair sections is controlled to offset more patch models to the hair section close to the outer layer of the hair, so that the number of layers of the patch model in the hair section close to the outer layer of the hair is more and the interval is smaller, and the rendered hair model is prevented from having a fault phenomenon.

The present invention discloses an integrated construction method for an additive manufacturing support structure and its printing trajectory. The support structure is expressed in a mixed explicit and implicit manner. Compared with the explicit expression in existing commercial software, the present invention can greatly reduce the amount of model data and shorten the model generation and rendering time. In addition, compared with explicit models, especially the STL format patch models used in existing additive manufacturing technologies, the present invention can carry model feature information when planning the printing trajectory, which facilitates the optimization of the printing trajectory and process parameters based on the topological features of the model.

This application belongs to the field of vulnerability type classification and specifically discloses a security patch classification method and system based on pseudo-label learning. The method includes: obtaining the security patch to be classified; performing feature extraction on the security patch to obtain key semantic features; inputting the key semantic features into a trained security patch model to obtain a classification result for the security patch. The security patch model is obtained by extracting key semantic information from a security-related patch dataset and an unlabeled patch dataset, and performing pseudo-label learning based on the key semantic information. This application can improve the accuracy and efficiency of security patch classification.

The present invention discloses a non-coal mine slope stability evaluation method based on multi-operating condition analysis, comprising: obtaining a geotechnical dataset, a multi-operating condition dataset, and a monitoring dataset of the non-coal mine slope, clustering the geotechnical dataset to obtain parameter partitions, obtaining a patch model based on the parameter partitions and the multi-operating condition dataset using a patch algorithm, performing stability evaluation using the parameter partitions and the patch model using the limit equilibrium method, outputting a first stability result of the slope, screening out relatively dangerous areas based on the first stability result of the slope, performing stability evaluation on the relatively dangerous areas using the finite element method, outputting a second stability result of the slope, and using the second stability result as the final evaluation result. This method provides efficient and reliable evaluation results for non-coal mine slope disaster prevention and control by combining a double-patch model with a step-by-step verification process of the limit equilibrium method and the finite element method.

The present application provides a method, device and electronic device for simulating the visual effects of a three-dimensional scene; the method comprises: determining two-dimensional coordinates in a preset patch model, and storing a pre-constructed three-dimensional scene as a texture in the patch model using a preset sampling camera according to the two-dimensional coordinates; setting a first dimension perpendicular to the two-dimensional coordinates in the patch model, combining the first dimension with the two-dimensional coordinates to obtain the three-dimensional coordinates of the patch model; determining a camera vector in the sampling camera, and in response to movement of the sampling camera, determining an updated three-dimensional coordinate after the movement using the camera vector and the three-dimensional coordinates before the camera movement; sampling the texture according to the updated three-dimensional coordinates, and rendering it to the screen to obtain a dynamic three-dimensional perspective effect.

The invention discloses a special effect generation method and device for an energy release effect, equipment and a program product, and the method comprises the steps: generating an energy conduction path curve for simulating the energy release effect based on point cloud data, and enabling the energy conduction path curve to comprise a main path and branch paths; converting the energy conduction path curve into a three-dimensional patch model; acquiring control parameters matched with the three-dimensional patch model, wherein the control parameters comprise texture coordinate parameters and shader parameters; and performing rendering processing on the three-dimensional patch model according to the control parameters to generate a visual special effect of the energy release effect. According to the scheme provided by the embodiment of the invention, the technical effect of remarkably improving the rendering efficiency and reality of the visual special effect of the energy release effect can be achieved.

The invention provides a three-dimensional model rendering method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a plurality of patch models; combining the plurality of patch models into a single model; for each surface patch in the combined single model, acquiring a center coordinate of the surface patch, and calculating a displacement vector of each vertex coordinate and the center coordinate on the surface patch; the displacement vectors are stored in texture coordinates of all the vertexes; the vertexes of the multiple patches are contracted towards the center coordinates, and a contracted merging model is generated; during rendering, original coordinates of all the vertexes are recovered based on the displacement vectors stored in the texture coordinates, and the patches are rendered in the view angle direction. According to the method, the number of model surfaces and the number of materials are remarkably reduced, the problem of resource occupation in the game running process is effectively solved, and the equipment burden is reduced.

The invention discloses a model processing method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring UV coordinate information corresponding to a basic patch model; based on the vertex position information of the basic surface patch model and the vertex position information of a first object model corresponding to the first object, calculating a first height deviation value corresponding to each vertex in the basic surface patch model; performing offset processing on each vertex in the basic patch model based on the first height offset value to obtain a target patch model fitted with the first object model; a target height map corresponding to the second object is sampled based on the UV coordinate information, target height values corresponding to all vertexes in the target patch model are obtained, and the target height values corresponding to all the vertexes are not completely the same; and offset processing is performed on each vertex in the target patch model based on the target height value to obtain a target object model corresponding to the second object, and the target object model fits the first object model and has a three-dimensional effect. Therefore, the model processing efficiency can be improved.

The embodiment of the present application discloses a method, device, storage medium and electronic device for realizing animation of a target model. The method includes: obtaining a target model composed of multiple sub-patch models, a texture map of the target model, and the coordinates of the sub-patch model, wherein the texture map includes multiple sub-texture maps; determining the displacement data of the vertices of the sub-patch model in each frame between the starting motion position of the starting frame and the target motion position of the target frame according to the coordinates of the sub-patch model; determining the offset data of the vertices of the sub-patch model in each frame according to the target shooting direction of the virtual camera; determining the target position of the vertices of the sub-patch model in each frame according to the displacement data and the offset data, and mapping the sub-texture map to the sub-patch model according to the target position to realize the animation effect of the target model. The embodiment of the present application can reduce the power consumption of electronic equipment, save its performance, and avoid the occurrence of goofs.

The invention relates to the field of bridge engineering, in particular to a segment corner reconstruction method and system based on scanning data, and the method comprises the steps: respectively carrying out the side line fitting and reconstruction and surface fitting and reconstruction based on a three-dimensional point cloud of a bridge segment and a patch model corresponding to the point cloud; according to the corner points obtained through side line fitting reconstruction and the corner points obtained through surface fitting reconstruction, the bridge segment corner points are determined, aiming at the situation that part of scanning point clouds are missing in the prior art, the reconstruction fitting method improves the success rate of corner feature extraction, reduces the working difficulty of early-stage scanning operation, improves the operation success rate, and improves the accuracy of the detection result. According to the method, multiple times of scanning are avoided, and different reconstruction fitting methods are provided in a classified manner according to common corner error sources on site so as to adapt to corner error extraction under different interference conditions.