155results about How to "Improve realism" patented technology

The invention discloses a real-time software deformation interaction method based on a physical engine in an environment. The real-time software deformation interaction method comprises the following steps: S1, establishing a virtual environment and a software model; s2, constructing an interactive perception and collision detection network; s3, receiving and analyzing a multi-modal interaction instruction; s4, real-time deformation calculation based on a physical engine; s5, performing multi-user collaborative state synchronization and rendering feedback; and S6, carrying out fault state simulation on the software object. According to the method, real-time and high-precision simulation of software deformation is realized through deep fusion of software dynamics calculation of a physical engine and an interaction instruction stream, and through hierarchical physical attribute binding and client prediction, the network synchronization data volume is greatly reduced while the millimeter-level deformation precision is ensured, so that the network synchronization efficiency is improved. And low-delay and high-consistency experience under multi-person cooperative operation is ensured.

The invention discloses a server test environment guarantee method and system based on dynamic simulation, a storage medium and computer equipment. The method comprises the steps that the air inlet temperature, real-time power consumption and heat dissipation strategy signals of a tested server and the actual environment temperature of an incubator are collected in real time; dynamically setting the temperature of the air inlet of the tested server as the target environment temperature of the incubator, and calculating the real-time temperature deviation between the actual environment temperature and the target environment temperature; if the real-time temperature deviation exceeds a preset threshold value, a dynamic PID control algorithm is triggered, a basic control quantity is obtained through calculation according to the real-time temperature deviation through the dynamic PID control algorithm, a dynamic compensation quantity is obtained through calculation according to the target environment temperature, the real-time power consumption and the heat dissipation strategy signal, and the heat dissipation strategy signal is obtained based on the basic control quantity and the dynamic compensation quantity. Generating a temperature control instruction of the incubator; according to the temperature control instruction, a refrigerating or heating device of the incubator is dynamically adjusted so as to guarantee the test environment of the tested server.

One or more embodiments of the invention provide a three-dimensional model generation method, apparatus and device, a medium and a program product. The method is applied to CAD software and comprises the following steps: acquiring a plane image and a model thickness of a modeling object; generating a plane grid for the modeling object according to the plane image; generating a front grid, a back grid and a side grid for the modeling object according to the plane grid and the model thickness; and combining the front grid, the back grid and the side grid into a three-dimensional grid, and mapping the texture of the plane image to the three-dimensional grid to obtain a three-dimensional model of the modeling object.

The present application provides a kind of snow drifting device applied to environmental wind tunnel, belong to the technical field of wind tunnel test equipment research.The purpose is to solve the problem of poor uniformity, low particle size control precision, easy to block, space size restriction in prior art.In the present application, mist droplet generation section, mixing section and snow treatment section are connected in sequence to form a wind tunnel;fan array, cooler and two-phase nozzle are installed in mist droplet generation section from bottom to top, mist droplet inlet and water inlet are communicated with two-phase nozzle through mist droplet water inlet pipe branch and mist droplet air inlet pipe branch respectively;screening snow grid is provided at the connection of mixing section and snow treatment section, snow sweeping mechanism is installed above screening snow grid, brush driving motor output is connected with driving shaft through reducer, and brush is provided on driving shaft;snow bearing net and movement mechanism are installed below screening snow grid.The present application solves the problem of poor uniformity, low particle size control precision, easy to block, space size restriction in prior art.

The invention provides an image mirror surface highlight removal method and device based on a gradient mask and electronic equipment. The method comprises the following steps: acquiring a mirror surface highlight image and prior semantic information thereof; based on the prior semantic information, performing mirror surface highlight detection on the mirror surface highlight image to obtain a highlight detection result; according to the highlight detection result and the gray scale and illumination information of the mirror surface highlight image, constructing a gradient mask used for representing highlight intensity change; and based on the gradient mask and the prior semantic information, performing image restoration on a highlight area of the mirror surface highlight image, and performing adaptive fusion on a restoration result and a non-highlight area in the mirror surface highlight image to obtain an output image after mirror surface highlight is removed. According to the technical scheme, by introducing the prior semantic information and the gradient mask, accurate detection and smooth restoration of the mirror surface highlight area are realized, and the visual quality of the image can be improved.

This invention discloses a real-time rendering method and system for physically simulated volumetric clouds. The method includes the following steps: constructing a dynamic noise mixing model, and constructing complex cloud layers by mixing multiple noises based on the dynamic noise mixing model; constructing a multi-scattering illumination model, and using the multi-scattering illumination model to perform single-scattering calculations and multi-scattering approximations on the complex cloud layers to simulate illumination; based on the completed illumination simulation, dividing the cloud density field of the complex cloud layers into several voxel blocks, and performing adaptive light travel processing to complete the real-time rendering of volumetric clouds. This invention, without sacrificing image quality and rendering efficiency, integrates advanced cloud modeling theory with efficient GPU acceleration technology, and uses a mixed noise model to generate diverse cloud structures, accurately reproducing various typical cloud types such as high-altitude cirrus clouds, cumulus clouds, and stratus clouds.

A system and method of an active chat robot with a composite finite state machine, through the user behavior state and the on-demand dialogue setting, generates a rough question information with a natural language structure, then inputs the rough question information into a question optimization circuit to generate accurate question information, and transmits the accurate question information to an artificial intelligence platform and obtains the corresponding answer information, and inputs the answer information into a trained emotional AI model to generate corresponding emotional answer information, and then stores the emotional answer information into an answer list, so as to filter out the emotional answer information that meets the on-demand dialogue setting from the answer list as on-demand dialogue information and transmit it to the client host for output, so as to improve the dialogue flexibility and authenticity of the chat robot.

This invention discloses a suspended, flexible, deformable, and emotionally interactive robot. A flexible outer shell covers a flexible chassis, and a levitation airbag is installed inside the flexible outer shell. The levitation airbag is filled with buoyancy gas to provide the buoyancy required for the robot's suspension. An interactive control system inside the flexible chassis enables user interaction. A micro-airflow propulsion system is installed at the bottom of the flexible chassis, including multiple airflow generating units. By adjusting the airflow direction and intensity of the airflow generating units, the robot is driven to achieve spatial movement. The charging base station is an external device, and the bottom of the flexible chassis has an energy supply interface corresponding to the charging base station. When docked, the charging base station provides the robot with electrical energy or buoyancy gas. This invention is applicable to fields such as family emotional companionship, health and wellness, creating an intelligent indoor atmosphere, psychological relaxation assistance, and interactive displays in commercial scenarios. Through the organic integration of various systems, the robot achieves aerial suspension, flexible deformation, intelligent emotional interaction, and autonomous refueling.

The invention belongs to the technical field of 3D projection, and particularly relates to an immersive deduction system and method based on 3D projection fusion, and the system comprises a sensing module which is used for collecting the rapid motion data and height parameters of an actor, a motion pre-judgment module which is used for judging the motion parameters of the actor, and a control module which is used for controlling the motion pre-judgment module and the motion pre-judgment module. The motion pre-judgment module is in communication connection with the sensing module and comprises a motion association sub-model and a motion time sequence prediction sub-module, and the motion association sub-model establishes a mapping relation among the body height of the actor, the motion amplitude and the track span. And data is provided for follow-up action pre-judgment and special effect adaptation, and the problem that the projection special effect is disjointed with the action of the actor due to action acquisition omission or insufficient data precision is avoided.

The invention discloses a wireless communication spectrum space digital twinning method, which comprises the following steps of: generating basic static channel characteristics under a given environment model and a base station deployment condition; wherein the static channel characteristics comprise a path loss distribution characteristic, a shadow fading characteristic and a multipath propagation characteristic; associating the static channel feature with target vehicle information, and generating a single-frame channel feature when a vehicle exists; and capturing dynamic evolution information of channel characteristics in a vehicle movement process, and expanding the single-frame channel characteristics into sequential dynamic channel characteristics to obtain a digital twinborn model of a dynamic scene spectrum space. According to the method, the influence of a dynamic blocking body can be further considered on the basis of static channel generation, channel feature generation in a dynamic environment is realized, and the reality sense and application applicability of digital twinning are remarkably improved.

The invention relates to the technical field of tunnel engineering, in particular to a cold region operation tunnel lining frost heaving influence test device and method.The device comprises a walk-in test box used for providing a uniform and controllable low-temperature environment, and a model box is arranged in the walk-in test box; a surrounding rock similar material, a tunnel lining model and a ponding simulation mechanism for simulating a ponding structure are arranged in the model box, the tunnel lining model and the ponding simulation mechanism are surrounded by the surrounding rock similar material, stress loading mechanisms are arranged on the top and the side wall of the model box, and a detection mechanism for detecting stress deformation displacement of the tunnel lining model is further included. According to the test device and the test method adopting the test device, the whole model is uniformly and controllably cooled through the step-in test box, a real temperature field where the tunnel in the cold region is located is accurately simulated, and the problems of uneven temperature and frost heaving simulation distortion caused by local refrigeration in the prior art are solved.

The embodiment of the invention discloses a virtual reality scene dynamic generation system based on artificial intelligence, and the system comprises a data collection module which is used for collecting and generating various types of input information of a VR scene and generating standardized data; the influence data generation module is used for performing feature extraction and fusion on the standardized data to generate an influence data set; the code conversion module is used for converting the influence data set into format data compatible with a VR rendering engine; the analysis and verification module is used for performing physical rule verification and visual consistency analysis on the format data and generating a correction instruction; and the scene interaction module is used for analyzing the user interaction instruction and adjusting VR scene elements and interaction logic in real time in combination with the correction instruction.

The invention provides a surface clutter real-time generation method and device, and the method comprises the steps: determining a target time domain range and a target frequency domain range of a to-be-generated surface clutter signal according to the real-time motion state parameter of a carrier carrying a radar seeker and the beam pointing parameter of the radar seeker; generating a random clutter sequence covering the target time domain range and the target frequency domain range according to a preset amplitude statistical distribution model and a preset power spectrum model; a surface clutter signal is generated by modulating a reference radar signal, the modulation including convolving the reference radar signal using a random clutter sequence, and parameter adjusting the convolved signal to match dynamic characteristics of a carrier. According to the invention, the problem of insufficient fidelity of clutter simulation signals in the prior art is solved.

The application discloses an image coloring method and device based on iterative optimization and a medium, relates to the technical field of image processing, and comprises the following steps: acquiring a grayscale image; performing initial coloring on the grayscale image by using a trained conditional coloring model to obtain an initial coloring result; performing color evaluation on the initial coloring result by using a trained evaluation model, identifying a region in the initial coloring result that does not meet a set standard of color confidence, and obtaining an unsatisfactory region; performing re-coloring on the unsatisfactory region by using the trained conditional coloring model to obtain an updated coloring result; replacing the initial coloring result with the updated coloring result, repeating the re-coloring and evaluation processes, obtaining a final coloring result, and decoding the final coloring result to obtain a final color image. The application realizes higher reality and fidelity in image coloring.

The application discloses a kind of resident load data generation methods based on dynamic harmonic admittance parameter, state division and standardization pretreatment are carried out to original load current data according to sampling rule, then carry out fast Fourier transform calculation, obtain harmonic current vector data and define voltage vector data;According to harmonic current, voltage vector data, obtain admittance vector, utilize admittance transfer method to constrain admittance vector to one, four quadrant, obtain each period discrete harmonic admittance parameter, then obtain dynamic harmonic admittance parameter after polynomial fitting and introducing the random variable of simulation error;According to dynamic harmonic admittance parameter and load state switching time information, build complete load simulation model by power supply simulation model, load admittance equivalent simulation model under single operating state and load state switcher combination on Simulink platform, finally simulate and generate load current simulation waveform data.The application improves the randomness and richness of the generated data.

The application discloses a method and device for constructing an extended image sequence, and relates to the technical field of image sequence reconstruction, and mainly aims to improve the low authenticity of the simulated object extended image sequence constructed at present, so that the difference between the simulated object and the real projected object is large, and the authenticity of the forward projection is poor. The method comprises the following steps: obtaining tomography data of a target projected object; performing tomography image reconstruction processing on the tomography data to generate a tomography reconstruction image sequence of the target projected object, the tomography reconstruction image sequence of the target projected object being used for representing the maximum image sequence reconstructed under the current reconstruction condition; and constructing an extended image sequence of a simulated projected object matched with the target projected object based on the tomography reconstruction image sequence of the target projected object, the extended image sequence being used for representing the extended image sequence of the simulated projected object which is not reconstructed and needs to be virtually constructed under the current reconstruction condition.

The invention discloses an exoskeleton fingertip integrating a fingertip sensing function and a vibration feedback capability. The exoskeleton fingertip can provide stable fingertip pressing force sensing and corresponding vibration feedback capability. The fingertip interaction force sensing part of the fingertip is composed of a hard fingertip pressing plate, a soft silica gel gasket and a group of piezoresistive film sensor arrays, and the vibration feedback part of the fingertip module is provided with vibration feedback by a vibration motor. By controlling the frequency, the amplitude and the duty ratio of the vibration motor, the simulation of the feeling of tangential force, sliding speed, textures during interaction and the like is realized respectively. According to the design, more stable fingertip force and touch feedback can be provided for the hand exoskeleton, so that more stable and finer hand teleoperation is performed, and the experience feeling of an exoskeleton user is improved.

This invention belongs to the field of visual 3D reconstruction technology and discloses a method, system, terminal, and storage medium for 3D Gaussian reconstruction of fisheye images. The method includes: acquiring a fisheye image; generating a sparse 3D point cloud corresponding to the fisheye image based on a motion recovery structure algorithm; optimizing the 3D Gaussian reconstruction algorithm based on a reversible residual network and an octahedral projection model; and reconstructing a 3D model of the fisheye image based on the optimized 3D Gaussian reconstruction algorithm and the sparse 3D point cloud. This invention reduces the 3D reconstruction error of fisheye images by simulating camera distortion parameters of a lens distortion model using a reversible residual network and incorporating these parameters into the 3D Gaussian reconstruction algorithm. Replacing the planar perspective model of the 3D Gaussian reconstruction algorithm with an octahedral projection model reduces stretching and image boundary distortion. The optimized 3D Gaussian reconstruction algorithm is used to generate the 3D model of the fisheye image, improving the realism of the 3D model reconstructed from the fisheye image.

The application discloses an electric horse simulator with a biofeedback sensor, and relates to the field of electric horses. The simulator comprises a base, a body, a driving mechanism connecting the base and the body, and a controller connected with the driving mechanism. The body imitates the shape and structure of a real horse, and comprises a horse body and a horse head. The horse body and the horse head are connected through a horse neck with certain flexibility, and the tail of the horse body is designed with a horse hip, so that the whole simulator is more lifelike in appearance, and can bring a user a more real horse-riding feeling. The simulator has local capacitive and pressure sensing areas, can realize the sensing of touching and pressing, and can provide corresponding feedback to realize better simulation effect, so that the equestrian simulation training is more real.

The application discloses a kind of playing strategy generation system, method, equipment and medium, it is related to computer technology field, including: style parameter extraction module reads game configuration file, random sampler output data or operation background instruction, parses dealing style configuration parameter and outputs structured style vector;Style embedding coding module carries out feature coding conversion to style vector by pre-set mapping function, generates the style embedding vector of corresponding dimension;Game engine module receives the configuration data related to card dealing, initializes and runs game process, and outputs game state and valid action mask;Value network module quantitatively evaluates game decision income, and outputs value evaluation information;Strategy network module outputs playing action strategy distribution according to game state, style embedding vector and valid action mask.It can improve the distribution adaptation ability, behavior control ability and decision rationality of game decision of intelligent agent, improve the reality and controllability of game.

The invention relates to the technical field of vehicle driving simulation, in particular to a vehicle six-degree-of-freedom motion simulation device and method.The method comprises the steps that acceleration signals and angular velocity signals of different control periods are collected, a preset second-order cut-off frequency washout algorithm is combined, and a high-frequency acceleration signal and a high-frequency angular velocity signal are obtained; the inclination angle of the six-degree-of-freedom motion platform at each moment in each control period and the elongation of each telescopic rod are collected; constructing a feature vector to cluster the control period; calculating a motion evaluation value, a low-frequency residual degree, an over-limit risk degree and a response difference degree of each cluster, and adjusting a second-order cut-off frequency of a washout algorithm corresponding to each cluster; and clustering the feature vectors of the current control period, calling the adjusted second-order cut-off frequency corresponding to the cluster to which the feature vectors belong to to operate a washout algorithm, and controlling the six-degree-of-freedom motion platform to perform motion simulation. According to the invention, the authenticity and safety of motion simulation can be improved under different driving conditions.

This invention relates to the field of intelligent robot technology, and in particular to a bionic soft arm for hugging robots and its control system. The arm comprises a single, curved airbag, which is a hollow cavity made of flexible material and has at least one bending deformation structure; at least one set of inner contraction airbags a1 / a2 disposed at both inner ends of the curved airbag; and at least one set of outer patting airbags b1 / b2 or wire-driven modules disposed at both outer ends of the curved airbag. The inner contraction airbags a1 / a2 and the outer patting airbags b1 / b2 or wire-driven modules are fixed to the curved airbag via high-frequency compression or mechanical connection. The curved airbag undergoes bending deformation after inflation, providing three curved airbag configurations: a symmetrical vortex configuration, a Z-shaped sawtooth plus trimmed plate configuration, and a pleated configuration, as well as two patting implementation methods: purely pneumatic and wire-driven assisted.

This invention relates to the field of motion recognition technology, and more particularly to a method and system for motion-sensing interaction recognition based on skeletal coordinate points. The method includes the following steps: acquiring real-time human skeletal coordinate data and extracting multimodal features to obtain a real-time skeletal coordinate sequence; acquiring the standard skeletal posture corresponding to the target interactive action and performing pre-recording and feature encoding to generate a target posture skeletal feature template library; performing skeletal temporal filtering, joint mapping, and joint angle calculation on the real-time skeletal coordinate sequence, while simultaneously performing similarity measurement and dynamic binding tracking; when binding loss is detected, a binding recovery mechanism is activated to guide the user to execute a preset binding posture and re-establish the binding relationship; and mapping the joint angle temporal data to the corresponding joints of a virtual humanoid interactive model in real time and outputting motion-sensing interaction commands to drive the replication of human movements, thereby triggering motion-sensing interaction events. This invention can improve the stability of motion-sensing interaction recognition.

This application relates to the field of traffic simulation technology, and proposes a method, apparatus, electronic device, and computer program product for adding noise to vehicle simulation trajectories. The method includes: generating simulation trajectories of simulated vehicles from simulated road vehicle data; wherein the simulated road vehicle data is obtained by mapping from real road vehicle data; and adding noise to the simulation trajectory based on a first real trajectory of a first real vehicle corresponding to the simulated vehicle in the real road vehicle data. This method can improve the similarity between the generated simulation trajectory and the real trajectory, that is, it can improve the realism of the generated vehicle simulation trajectory.

The application relates to a target detection simulation method based on a satellite-borne load, which comprises the following steps: satellite orbit simulation, star background simulation, visible target judgment and detection image simulation; image processing is performed on the ideal detection image so that the detection image simulation result approaches the detection image of the actual satellite-borne load. The method is realized by using C++ programming to improve the algorithm safety and flexibility.

The invention discloses a deception jamming method and device for an azimuth phase coding SAR (synthetic aperture radar), and belongs to the technical field of electronic support system synthetic aperture radar countermeasure. The method comprises the following steps: intercepting an SAR signal, carrying out two-dimensional structured phase stripping by constructing an inverse distance modulation operator and an inverse azimuth modulation operator, and estimating to obtain an azimuth phase sequence; carrying out complex domain differential operation on the estimated azimuth phase sequence, constructing a phase consistency measurement index and minimum consistency order mapping, and identifying a coding structure of the phase consistency measurement index and the minimum consistency order mapping; constructing a linear least square problem based on an identification result, and reconstructing an azimuth phase sequence; and performing phase consistent modulation including convolution modulation on the intercepted signal to generate a deception jamming signal. According to the method, complete matching of the interference signal and the SAR receiving filter is realized, and effective deception interference can be implemented on a new system SAR adopting random, primary, secondary and grouped phase coding.

The invention relates to an intelligent replacement method for a short play video advertisement article, which relates to a video fusion technology, and comprises the following steps: carrying out multi-frame dynamic image acquisition and advertisement area three-dimensional space information extraction on a to-be-processed short play video, and establishing a physical attribute inversion and dynamic physical attribute field model; rendering parameter fitting and standardized input are carried out on the advertisement three-dimensional model according to physical parameters such as dynamic illumination, materials and roughness of an original scene, a three-dimensional space self-adaptive physical rendering engine is driven, and synchronous physical reconstruction of advertisement content and continuous frame scene illumination and material changes is achieved. In combination with multi-foreground-layer dynamic shielding and space superposition, in cooperation with the steps of boundary adaptive hybrid rendering, time sequence image quality optimization and the like, the advertisement content can be dynamically and accurately transformed according to the environment and the foreground, and finally high consistency and seamless natural fusion of the advertisement and the movie video content in physical attribute and visual perception are achieved.

A video conferencing device, method, and vehicle for use in a vehicle are provided. The video conferencing device includes: an image capture device configured to capture an initial image sequence including facial images of occupants within the vehicle cabin; a processor communicatively connected to the image capture device and configured to generate a corrected image sequence based on the initial image sequence, wherein facial images of the occupants are located in the central region of each image in the corrected image sequence; and a display communicatively connected to the processor and configured to display the corrected image sequence to other occupants within the vehicle cabin.

The application relates to the technical field of computers and discloses a wireless micro-current tactile feedback game control device interaction method and system, which comprises the following steps: constructing an interaction feature matrix of user operation data and game scene data; generating a wireless micro-current control signal of a game control device through the interaction feature matrix and determining a body surface stimulation partition of the game control device; setting a stimulation combination mode of the wireless micro-current control signal and the body surface stimulation partition according to a game scene type and user operation preferences; extracting a response delay parameter and a stimulation coverage index in the stimulation combination mode, calculating a stimulation deviation value of the wireless micro-current control signal; calculating a tactile feedback threshold value corresponding to the game control device by using the stimulation deviation value; and generating a micro-current tactile feedback scheme of the game control device by combining the stimulation combination mode and the tactile feedback threshold value. The application can significantly improve the game immersion of users.

The invention relates to the technical field of rail transit simulation, in particular to a rail transit simulation scene modeling method for enhancing the sense of reality, and solves the technical problem that the rendering effect is poor in an illumination sudden change scene in the prior art. The method comprises the following steps: constructing environment shielding data of a track line; the environment shielding data comprises a sky opening coefficient and an instrument panel geometric shielding coefficient corresponding to each track position of the track line; performing space-time mapping synthesis on the sky opening coefficient based on the real-time running state data of the train, and determining a real-time environment illumination observation value of the rail position where the train is located; performing illumination change analysis on the rail position of the train based on the real-time environment illumination observation value, and determining the illumination sudden change intensity of the rail position of the train; and performing model brightness rendering compensation on the instrument panel area of the train based on the illumination sudden change intensity and the geometric shielding coefficient of the instrument panel.