39 results about "Virtual field" patented technology

The invention provides a user behavior intention recognition method and device based on multi-modal data fusion, and relates to the technical field of data processing.The method comprises the steps that a multi-modal observation sequence is obtained, initial features are formed through time synchronization and mutual information screening, a cross-space initial offset vector is generated in combination with virtual space offset parameters, and the cross-space initial offset vector is obtained; establishing an association relationship between a real action and a virtual action through nonlinear mapping to obtain a cross-space registration feature; generating a correction coefficient according to the proportion of the real action amplitude and the virtual action amplitude, and performing amplitude correction to obtain a cross-space correction feature sequence; compensating rendering delay and synchronous drift by using weighted fusion of the current feature and the lag feature to obtain a time sequence correction feature; outputting cross-space fusion features through a unified embedding space and a cross-modal attention mechanism; and non-linear intention mapping is constructed based on the fusion features, and a user behavior intention result is inferred and output in combination with time smoothing. According to the invention, the accuracy of user behavior intention analysis in a virtual field scene can be improved.

The invention discloses a method and device for generating an environment picture outside a vehicle and the vehicle, and relates to the technical field of vehicles. The method comprises the steps of determining a three-dimensional semantic map corresponding to an external environment of a trailer based on point cloud data and image data corresponding to the external environment of the trailer; determining a virtual model corresponding to the trailer device based on the current attitude data and the trailer parameters of the trailer device included in the trailer; based on the three-dimensional semantic map and the virtual model, displaying a virtual view image corresponding to the trailer; the virtual view picture comprises external environment information of the trailer. In this way, the view coverage rate and accuracy of the generated vehicle exterior environment picture can be improved.

An apparatus and method for triggering a performance mechanism with a group task in a virtual concert by establishing a virtual field corresponding to a participating group and displaying a virtual character of a member of the participating group in the virtual field during the progress of the virtual concert, and assigning a common task to the participating group. The interactive behaviors of the members are identified according to the behavior information transmitted by the clients of the members, and the corresponding interactive behaviors are presented on the virtual characters of the members in real time, so that each member participating in the group perceives the interactive behaviors presented by the virtual characters of other members through the clients. And determining a task completion state of each member completing the common task according to the interaction behavior of each member, and presenting a corresponding performance content and / or performance effect when the task completion state reaches a progress threshold value, so that the technical effect of improving group viewing experience and interaction immersion in the performance process of the virtual concert can be achieved.

Mobile calibration of a display for a smart helmet is provided. A smart helmet includes a heads-up display (HUD) configured to output a graphical image within a virtual field of view on a face shield of the smart helmet. A transceiver is configured to communicate with a mobile device of a user. A processor is programmed to receive, via the transceiver, calibration data from the mobile device related to one or more captured images from a camera on the mobile device, and alter the virtual field of view of the HUD based on the calibration data. This allows a user to calibrate the HUD of his / her smart helmet based on images received from the user's mobile device.

The invention relates to the technical field of metal material modeling, in particular to a metal anisotropy dynamic mechanical property GRU-VFM collaborative modeling method based on the inertial effect. According to the method, a special-shaped test piece impact experiment is carried out, and external loads borne by a test piece in the impact process do not need to be measured; only time sequence strain field and acceleration field data in a test piece deformation process need to be synchronously collected, a double-branch GRU network model for time sequence feature extraction is constructed, and a neural network loss function is designed based on a virtual field method principle. And the advantages of the virtual field method indirect regulation and control network stress prediction capability and the full-field data deep information mining capability of machine learning are fully exerted. After the network is trained, the created material mechanics constitutive model can realize accurate prediction of a material dynamic stress field according to actually measured strain field-acceleration field data, and can be used for carrying out finite element numerical simulation based on neural network material constitutive.

The present application relates to the field of material mechanical property characterization, in particular to a high-temperature thermal softening variable stiffness and strength metal elastic-plastic parameter global characterization method, comprising: obtaining strain field data and temperature field data of the test piece, and tensile load data; constructing a thermal-mechanical coupling elastic-plastic constitutive model of the metal plate, and establishing a target function of temperature-related parameters to be solved under the constraint of multiple virtual fields based on the virtual work principle; accurately identifying high-temperature thermal softening elastic parameters by using elastic stage data, and then identifying anisotropic strength thermal softening plastic parameters by using composite field data of the whole loading process under variable stiffness; the present application breaks through the condition restriction of constant stiffness when characterizing thermal-mechanical coupling properties of metal materials by using existing test methods, and can realize global accurate characterization of high-temperature thermal softening and anisotropic complex elastic-plastic thermal-mechanical coupling property parameters by only one test, thereby minimizing the number of tests and simplifying the test process.

A system for creating a virtual field device is provided. The system includes a processor having memory that when executed causes the processor to provide a sensor selection user interface element configured to receive user selection of at least one process sensor providing high-speed, unfiltered measurement data. The processor also provides a processing selection user interface element configured to receive user selection of at least one processing action to perform on the high-speed, unfiltered measurement data to generate a process output. The processor also provides an output selection user interface element configured to receive user selection of at least one remote device to which the process output is communicated. A computer-implemented method of creating a virtual field device is also provided.

The invention provides a pregnant and lying-in woman health management journey visualization method and system based on a virtual reality technology, and the method comprises the steps: collecting the health data of a pregnant and lying-in woman in a whole period from a pre-pregnancy preparation stage to a postpartum recovery stage, and carrying out the cross-dimension standardized conversion processing of the collected whole-period health data sequence, a multi-dimensional virtual scene assembly set comprising a physiological cycle feature model, a living environment interaction module and the like is constructed according to the health state feature set, and the health state and the living environment of pregnant and lying-in women are simulated in an all-around mode; a multi-dimensional virtual field component set is subjected to space-time linkage integration, a dynamic continuous virtual health journey covering a whole period is generated through multi-rule constraints, health changes are visually presented, and finally a multi-mode interactive virtual visual interface is generated based on the dynamic continuous virtual health journey, so that the health management effect and quality are improved.

The application discloses a kind of determination methods of being visited point, device and the attribute data optimization method of being visited object, by the geometric morphology fitting of being visited object, obtain the cropped viewport for representing being visited object, then under the constraint of visual angle, the virtual field of view space formed when light beam is emitted by projection center to cropped viewport is determined, again, the region that the virtual field of view space constitutes obstruction is identified and eliminated, obtain safe visible region;Then under the premise of ensuring that cropped viewport does not lose feature, the photographable area of tour equipment in virtual field of view space range is calculated;In the case where there is intersection region in the safe visible region and the photographable area, the final tour point of the visited object is determined according to intersection region. Thus, by solving the final tour point in the intersection region calculated, more reasonable and accurate tour position can be obtained to improve the success rate, accuracy and safety of intelligent power inspection task.

A motion path recommendation method for a virtual field is executed in a processor and includes: obtaining a real field map and a virtual field map; setting a starting point and an ending point of the virtual field domain map in a real movable range of the real field domain map; arranging the positions of the virtual field domain map to enable the virtual map range of the virtual field domain map and the real movable range to have the maximum overlapping area; in the virtual field domain map, generating a plurality of different paths according to the number of nodes, the starting point and the ending point so as to set the longer path in the real movable range as a recommended path; and controlling a display to display the recommended path.

To provide a content distribution system or the like capable of improving motivation, a performance effect or the like of input of a contribution object in content distribution.SOLUTION: A server system for distributing content of a performance performed by a performer on a performer terminal to a viewer terminal of a viewer includes a display processing unit configured to perform display processing of content in which a post object moves in a virtual field in which the performance of the performer is performed, the post object being able to be contributed by the viewer consuming a parameter of the viewer, and a gift giving unit configured to give a gift corresponding to the contributed post object or the consumed parameter to the performer when the post object contributed to the virtual field is collected. And a giving processing unit configured to perform processing of giving a return material corresponding to the contributed post object or the consumed parameter to the viewer who contributed the post object in a case where the post object contributed to the virtual field is not collected.SELECTED DRAWING: Figure 8

In an example, features in an environment of a vehicle can be detected with live perception from a wide field of view sensor. Sensor data generated by the sensor can be adjusted to represent a virtual field of view that is different from the actual field of view of the sensor, and the sensor data, with or without the virtual adjustment, can be applied to a stereo projection algorithm to generate a projected image. The projected image can then be applied to a machine learning model, such as a deep neural network (DNN), to detect and / or classify features or objects represented therein. The machine learning model can be pre-trained on training sensor data generated by a sensor having a field of view that is less than the field of view of the wide field of view sensor, such that the virtual adjustment and / or the projection algorithm can update the sensor data to be suitable for accurate processing by the pre-trained machine learning model.

The application relates to the technical field of instrument control simulation, in particular to a simulation device and method of a nuclear safety level DCS (Distributed Control System) field control station and a storage medium, the device comprises a plurality of virtual field control stations used for simulating the existing field control station, the virtual field control station comprises a data processing module, a simulation processing module, a virtual board card module and a communication module; the method comprises the following steps: carrying out inter-station communication connection and external station communication connection of the virtual field control station; carrying out data processing of the virtual field control station; creating a virtual board card; processing simulation instructions to complete simulation of the virtual field control station on the existing field control station; various types of board cards are virtually created through the virtual board card module, different types of board cards are individually virtually created, communication in the station and external station communication are realized through the communication module, shared memory is created through the data processing module, data exchange between modules is more efficient, and finally simulation processing is realized through the simulation processing module.

The invention relates to an AV-based field management method, system and device, a medium and a program product, and belongs to the field of intelligent management. According to the technical scheme, the method comprises the steps of inputting a project safety standard file into a natural language processing model, and extracting a safety facility standard; establishing a field digital twin 3D model; extracting field safety facility information according to the field digital twin 3D model; and comparing the on-site safety facility information with the safety facility standard, and determining the on-site safety facility which does not meet the safety facility standard in the on-site digital twin 3D model. According to the invention, effective fusion of safety facilities of a real physical world and safety management of the digital twinning 3D model can be realized, a virtual field digital twinning 3D model is enhanced, the safety management capability of the field digital twinning 3D model is enhanced, the safety management efficiency is improved, and the intelligent level of safety management is improved.

The system according to this embodiment aims to provide urban students with opportunities to study at local educational institutions and to make effective use of local educational resources. [Solution] The system according to this embodiment comprises an analysis unit, a proposal unit, a lecture unit, an interpretation unit, and a field trip unit. The analysis unit analyzes students' interests and learning styles. The proposal unit proposes the most suitable local educational institutions and curricula based on the information analyzed by the analysis unit. The lecture unit provides real-time lectures based on the curriculum proposed by the proposal unit. The interpretation unit provides simultaneous interpretation of the lectures provided by the lecture unit. The field trip unit provides virtual field trips based on the curriculum proposed by the proposal unit.

The invention is suitable for the technical field of new energy system testing, and provides a testing method and electronic equipment, and the method comprises the steps: loading the configuration information of a virtual station, building at least one transmission link between the virtual station and a target master station based on the configuration information of the virtual station, the virtual station and the target master station can communicate through at least one transmission link, and when the virtual station and the target master station perform interaction of operation data of the virtual station through one transmission link, basic analysis capability test and pressure test of the target master station can be realized based on the operation data of the virtual station. According to the technical scheme of the invention, when the virtual field station communicates with the target master station through the plurality of transmission links, the switching function test of the transmission links can be realized, so that the diversified test requirements of the master station are realized through the at least one transmission link.

The application discloses a method and device for generating an out-of-vehicle environment picture and a vehicle, and relates to the technical field of vehicles. The method comprises the following steps: determining a three-dimensional semantic map corresponding to an out-of-vehicle environment of a towing vehicle based on point cloud data and image data corresponding to the out-of-vehicle environment; determining a virtual model corresponding to a towing device included in the towing vehicle based on current posture data and towing parameters of the towing device; displaying a virtual field of view picture corresponding to the towing vehicle based on the three-dimensional semantic map and the virtual model; and the virtual field of view picture comprises out-of-vehicle environment information of the towing vehicle. In this way, the field of view coverage and accuracy of the generated out-of-vehicle environment picture can be improved.

The application provides a kind of based on power distribution network construction operation behavior specification detection method, the application relates to power system construction operation safety management and intelligent monitoring technical field, the specification detection method of the application includes: identifying the needle insulator in the video stream collected by first worker and second worker as operation anchor point, generates the steady video stream with insulator as the image physical center;Steady video stream is mapped to cylindrical surface and weighted fusion is carried out, generate panorama, and panorama is logically divided into quadrant field of view containing main visual angle, opposite visual angle and virtual field of view, the compliance area boundary is mapped back to main visual angle by inverse cylindrical-plane projection, and depth and safety distance detection is carried out;Generate dynamic occlusion mask under panoramic space, when detecting that main visual angle is blocked, lock opposite visual angle as complementary window, determine the binding quality under the blocked area by calculating the spiral texture energy and periodic variance in the complementary window.

The invention relates to the technical field of electric power engineering construction safety protection, and discloses an electric power construction vehicle anti-electric shock safety distance early warning system and method based on multi-source perception, and the method comprises the steps: a micro-motion excitation synchronous perception module converts space electric field distribution into time modulation signals through superposing micro-motion signals, and carries out the synchronous collection; the phase-locked chromatography inversion module extracts a gradient signal through orthogonal demodulation and inverts a space potential gradient modulus; the damping mapping prediction module maps the gradient modulus into a virtual field damping matrix, and predicts the maximum displacement boundary of the tail end of the suspension arm in combination with a kinetic equation; and the potential well early warning judgment module compares the instantaneous total mechanical kinetic energy with the maximum dissipated work based on the energy potential well safety criterion, and executes damping enhancement or forced locking operation. According to the invention, through active frequency modulation detection and field machine coupling control, environmental noise interference and inertial electric shock risks are effectively avoided, and the active protection capability under complex working conditions is improved.

Video of a plurality of fields of view of a scene is captured, each field of view comprising data of the scene from a different vantage point. An excitement level is determined by analyzing a portion of the captured video. Using the excitement level, a time series of future excitement levels is forecast. Using the time series of future excitement levels, a virtual field of view path of the scene is forecast. An insert image is determined to be included in the virtual field of view path. Captured data from at least two video cameras in the plurality of video cameras is composited into a virtual field of view of the scene. A rendering of the insert image is inserted into the virtual field of view.

The invention provides a power distribution network construction operation behavior specification detection method, and relates to the technical field of power system construction operation safety management and intelligent monitoring, and the specification detection method comprises the steps: recognizing pin insulators in video streams collected by a first operator and a second operator as operation anchor points, generating an image stabilization video stream taking the insulator as an image physical center; mapping the image-stabilized video stream to a cylindrical surface and carrying out weighted fusion to generate a panorama, logically segmenting the panorama into a quadrant view field comprising a main view angle, an opposite view angle and a virtual view field, mapping a compliance area boundary back to the main view angle through reverse cylinder-plane projection, and carrying out depth and safety distance detection; and generating a dynamic shielding mask in the panoramic space, locking the opposite view angle as a complementary window when the shielding of the main view angle is detected, and judging the binding quality in the shielding area by calculating the spiral texture energy and the periodic variance in the complementary window.

The invention relates to a virtual outfield data performance test method, device and system. The method comprises the following steps: modeling according to actual outfield data of a base station to obtain a dynamic wireless communication scene model; operating the dynamic wireless communication scene model to obtain a test signal; and performing performance test on the terminal based on the test signal to obtain a test result. The dynamic wireless communication scene model can be constructed according to the deployment condition of the base station in the actual external field, the scene model can controllably reproduce the real external field environment of the terminal, the performance index of the terminal in the dynamic simulation environment is improved, the test consistency is high, and the drive test cost can be greatly saved.

The invention provides a video generation method and apparatus, and an electronic device. The method comprises the steps of displaying a generated first video frame on a graphical user interface; the first video frame displays a virtual scene in a preset virtual field of view; the virtual scene comprises at least one scene element; acquiring operation information input by the input equipment in real time; determining a composite interaction instruction based on the operation information and the first video frame, a view updating instruction for the virtual view range, and / or an interaction action instruction for scene elements in the virtual scene; inputting the composite interaction instruction and the first video frame into a pre-trained video generation model, updating the first video frame based on the composite interaction instruction through the video generation model, and generating a plurality of video frames associated with the virtual scene; and displaying an interactive video formed by the plurality of video frames in the graphical user interface. According to the mode, the generation efficiency of the video comprising the interactive elements is improved, and the video generation cost is reduced.

A process variable sensor system is provided. The process variable sensor system includes a process variable sensor configured to couple to a process, wherein the process variable sensor has an electrical characteristic that varies with the process variable. A controller is operably coupled to the process variable sensor and is configured to measure the electrical characteristic. A sensor communication module is coupled to the controller and configured to transport raw measurement data over Ethernet APL for processing. A process display, a process configuration device, and a virtual field device are also provided.

The embodiment of the present application relates to the virtual reality technical field, and especially relates to a picture display amplitude adjusting method and device.The method is applied to a processing module in a virtual reality (VR) device, and comprises the following steps: sending a ranging instruction to a laser ranging module, the laser ranging module is used for emitting and receiving laser to determine the round trip time of laser propagation according to the ranging instruction; calculating a first distance between the user's eyes and the LCD screen according to the round trip time; calculating a display amplitude reduction coefficient according to the first distance, the distance between the user's eyes and the LCD screen when the virtual field of view angle is maximum, and the distance between the optical lens and the LCD screen; reducing the picture amplitude parameter when the virtual field of view angle is maximum according to the display amplitude reduction coefficient to obtain the current picture amplitude parameter.The embodiment of the present application automatically adjusts the amplitude of the virtual picture display according to the measured distance between the eyes and the LCD.

The application provides an interactive control method and device in a game, a terminal device, and a computer readable storage medium. The method comprises: in the case that a second virtual character has a set skill, in response to a first virtual character executing a first skill action by using a virtual moving body, determining an execution result of the first skill action, and controlling the virtual moving body to move away from the first virtual character and towards a target object; if the execution result indicates that a scoring event cannot be triggered, after the virtual moving body moves away from the first virtual character, marking a first region in a virtual field region; and in response to a second virtual character executing a second skill action of obtaining the virtual moving body after the virtual moving body contacts the target object, according to a positional relationship between the second virtual character and the first region, enhancing the second skill action. The method solves the technical problems of the prior art, such as a single interaction mode, insufficient playability, player loss, server waste, and resource waste.

Providing a method for recommending movement paths in a virtual field. [Solution] A method for recommending a movement path in a virtual field executed by a processor, comprising the steps of: acquiring a real field map and a virtual field map; setting the starting point and ending point of the virtual field map within the real movable range of the real field map; positioning the virtual field map so that the virtual map range of the virtual field map and the real movable range have the maximum overlap area; generating multiple different paths in the virtual field map based on the number of nodes, starting point and ending point, and recommending the longer path within the real movable range as the recommended path; and controlling the display of the recommended path on a display.

The application discloses an edge node decoupling access method and system based on protocol automatic analysis, relates to the technical field of protocol processing, and comprises the following steps: S1, collecting access monitoring data, generating a check mark based on an original message byte sequence and a received check code value; S2, performing byte-level alignment on the cross-version original message byte sequence, extracting a cross-version stable anchor point, determining a private extension field, and generating a protocol structure conservation chain; S3, identifying and analyzing a response uncoupling field, and determining a misaligned back connection field and a back connection field starting offset value in a candidate back connection interval; S4, establishing a field semantic inertia graph and determining a target physical field starting offset value, generating a virtual field address value and a virtual-real field mapping table, and outputting an edge node decoupling access result. The problems that, in the existing edge node multi-protocol access, a misaligned field is difficult to identify after the change of a parsing rule or the insertion of a private extension field, data uploading errors are caused, and an upper-layer application is coupled with a physical field offset are solved.

Methods and systems are provided for planning a medical intervention involving an intracavity probe and an imaging dataset of a patient. A view-type is selected from a defined set of view-types. A virtual field of view of the intracavity probe corresponding to the selected view-type is determined. A virtual intracavity image is rendered for display. The virtual intracavity image is based upon the imaging dataset and the virtual field of view. The virtual field of view can be based upon segmentation of an intracavity probe path, at least one anatomical structure, or possibly user input. In embodiments, the virtual field of view can be based upon probe parameters computed in accordance with a pre-defined set of rules for the selected view-type. The probe parameters can be computed by evaluation of a cost function expressed by the pre-defined set of rules for the selected view-type. Other aspects are described and claimed.

A system for modifying a virtual field device is provided. The system includes a processor having memory that when executed causes the processor to provide a virtual field device selection user interface element configured to receive user selection of a virtual field device. The processor also provides a modification user interface element configured to receive user selection of at least one modification relative to the selected virtual field device. The processor also provides an execute updated virtual field device user interface element configured to receive user input and responsively execute the updated virtual field device. A computer-implemented method of modifying a virtual field device is also provided. A system for creating a time-synchronized virtual field device is also provided.