1187 results about "Large screen" patented technology

The invention discloses an interactive large-screen visualization system and method based on multi-dimensional data real-time rendering, relates to the technical field of image rendering, and aims to solve the bottleneck problems of a traditional system in the aspects of data throughput efficiency, rendering delay and interactive response. The method comprises the following steps: dividing space blocks by adopting a non-uniform octree, dynamically adjusting the size of the blocks according to data density, and combining a ZSTD + Hoffman hybrid compression algorithm; a CPU-GPU three-level asynchronous processing assembly line is constructed, and task priorities are dynamically adjusted through a fixation point weight algorithm; the master node dynamically allocates LOD parameters, and the slave nodes achieve special-shaped large-screen sub-pixel-level splicing based on a spherical coordinate system model; a Q-learning algorithm is adopted to predict a user operation sequence, and dual-channel bandwidth adaptive allocation is realized in combination with an ASTP protocol. The system comprises a dynamic partitioning module, a pipeline scheduling module, a multi-node cooperation module, an intelligent preloading module and an exception handling module. Real-time interaction visualization of a large amount of data can be realized, the rendering efficiency is improved, and hardware resource occupation is reduced.

The invention discloses an in-tunnel construction vehicle meeting scheduling system based on positioning equipment. The system comprises a basic service module which is used for storing basic data for business service analysis in an acquisition and collection mode; the business service module is used for carrying out detailed analysis of the corresponding service through the data acquired by the basic service, and providing an analysis result to the display end for display; and the display end module is used for displaying the analysis result of the business service module, wherein the display modes comprise a mobile phone APP, a webpage large screen, an LED panel, a tunnel loudspeaker and a tunnel traffic light. The system carries out weight grading on vehicle and personnel positioning labels by standardizing a tunnel construction process, and integrates data of avoidance points of a transverse tunnel. And in combination with an intelligent technology, efficient vehicle meeting scheduling, intelligent construction path planning and avoidance point path planning of the construction area are realized.

The invention discloses a UE4-based digital twin model construction system and method, and relates to the technical field of computer vision, and the system comprises a geometric modeling unit which generates three-dimensional model data based on geometric modeling data of a target physical entity, and achieves dynamic LOD rendering level switching through virtualization processing; the real-time data interaction unit is used for analyzing the real-time sensor data flow and generating equipment state data in combination with a transmission operation and maintenance instruction; the simulation engine unit is used for executing rigid body motion and collision simulation based on the equipment state data and outputting a collision event sequence and state transition data by utilizing an event trigger; the machine learning unit is used for training an LSTM (Long Short Term Memory) model based on the collision event sequence and the state transition data, and optimizing state covariance parameters through adaptive Kalman filtering; and the visual interaction unit is used for realizing data synchronization of the command large screen and the mobile terminal through multi-screen collaboration. According to the method, the digital model capable of accurately reflecting physical entity behaviors and characteristics is constructed.

The invention discloses a railway vehicle test data management and analysis system, and the system comprises a multi-modal data collection module which collects the heterogeneous data of tests such as airtightness and weighing in real time; the block chain credible evidence storage module is used for performing time-space stamp marking and hash encryption on the data and verifying the integrity; the space-time atlas analysis module is used for constructing a space-time heterogeneous atlas and generating vehicle-level feature vectors through graph convolutional network fusion data; the predictive maintenance decision module is used for predicting subsystem performance degradation and fault risks and generating a hierarchical maintenance strategy; and the adaptive visual platform integrates a large screen and a mobile terminal to display data and decisions. According to the system, efficient integration and credible evidence storage of multi-source data are realized, the data utilization efficiency and analysis depth are improved, accurate maintenance decision is supported, and safe operation of railway vehicles is guaranteed.

The invention discloses a digital large-screen interaction method and device based on multi-agent cooperation and a medium, and relates to the technical field of digital large-screen interaction.The method comprises the steps that postures, expressions and voice data of a user are collected in real time, the attention weight is calculated in combination with spatial position information, the emotional state change rate is monitored, and the user experience is improved in combination with personal historical browsing preferences; acquiring a main interaction user, an emotional state feature and an emotional change trend; according to the main interaction user, the emotional state features and the emotional change trend, obtaining an initial confidence coefficient of the suspected interested field through a semantic understanding model; and based on the candidate guide images, identifying a user selection intention through a multi-modal fusion processing mechanism, calculating a selection probability, triggering content activation of the main interaction area and content dynamic generation of the auxiliary information area, synchronizing state information, and starting an immersive collaborative interaction process. Through three-level collaborative service configuration, the beneficial effects of improving large screen content organization efficiency and enhancing immersive interaction experience are achieved.

The invention discloses a space-time carbon flux digital map construction method, which comprises the steps of three-dimensional vector information acquisition, space-time carbon flux accounting database establishment, carbon flux space-time analysis, carbon flux influence factor identification and space-time carbon flux digital map display. Real-time and high-precision carbon flux data of a target area are measured through a carbon flux measurement system, a space-time carbon flux accounting database is constructed, carbon flux time analysis and space analysis are carried out to judge the carbon flux space-time distribution trend of the measured area, and a carbon flux space-time geographic weighting model is used for identifying carbon flux influence factors. A carbon flux digital map is displayed on the large digital screen in real time; according to the method, high-time and high-space-precision carbon flux accounting and influence factor identification of the measurement area can be realized, and detection, management and prediction of the space-time carbon flux of the target area are realized in a precise quantification, visualization and artificial intelligence manner.

The invention belongs to the technical field of speech recognition, and discloses an intelligent chart dynamic generation method based on speech recognition and multi-modal interaction. Comprising the following steps: collecting user voice data and denoising to obtain accurate user voice data; performing semantic structure segmentation and combination, and outputting complete user semantic data; executing semantic analysis and outputting user query intention information; extracting a query target data subset; constructing a field structure portrait based on the query target data subset, generating a target chart format, and outputting target chart parameters; performing structure correction on the target chart parameters based on the multi-modal interaction information collected in real time, and outputting a dynamically corrected target chart; performing trend evolution display on the dynamically corrected target chart to obtain an optimized target chart, and sending the dynamically optimized target chart to a preset data large screen; the voice recognition accuracy and robustness are improved, the interaction function of the chart is optimized, the interaction requirement of the user is met, and the interaction experience of the user is improved.

The invention provides a wind power plant equipment modeling and operation and maintenance management and control method and device based on digital twinning, and the method comprises the steps: restoring a fan entity based on a 1: 1 three-dimensional modeling technology, integrating multi-source data, including equipment sensor, video monitoring and GIS topographic data, and achieving the real-time mapping of a physical field and a virtual field through the construction of a high-precision digital twinning model. And the intelligent decision support module predicts wind resource distribution by using a dynamic boundary layer model, optimizes a grid-connected control strategy in combination with a virtual inertia simulation technology, and guarantees the transient stability of the power grid in a new energy fluctuation scene. And the full-life-cycle management platform supports full-process management from site selection planning, operation monitoring to fault diagnosis, and realizes multi-service data fusion display and interactive operation and maintenance strategy verification through a three-dimensional visual large screen.

The invention provides a visual large screen design system and method based on low codes. The system comprises a large screen page designer subsystem, a large screen content switching subsystem, a component adaptation subsystem, a built-in component reconstruction subsystem and a component interaction subsystem. The large-screen page designer subsystem is used for realizing large-screen page design which is low in coupling, high in expansion and capable of supporting multi-person collaboration; the large-screen content switching subsystem realizes large-screen content switching of a single-page refreshing mechanism; the component adaptation subsystem is used for realizing adaptation of different technical stack components of a third party; the built-in component reconfiguration subsystem supports system built-in component reconfiguration and use; and the component interaction subsystem realizes a flexible component interaction and data communication mechanism. According to the method, new characteristics of collaborative development, a single-page refreshing mechanism, high component expansibility and the like are provided, and a reconstruction mechanism of a built-in component, a third-party component adaptation mechanism, a page container mechanism and a perfect event mechanism are provided, so that high flexibility, high expansibility and high collaboration of visual large-screen page design are realized.

The invention belongs to the field of vehicle remote communication, and discloses an intelligent cabin area controller log remote acquisition system and method, and the system comprises a remote application interface which is used for obtaining a man-machine interaction interface for logs; the TSP remote service platform is used for managing the log pulling instruction network interface, the log uploading network interface and the storage of the uploaded logs; the intelligent cockpit domain controller CDC and the large screen are used for internally recording and storing system and application running logs of all modules running in the latest time period; and the 4G module is used for establishing mobile communication with the outside. According to the invention, the vehicle machine, voice, navigation, instrument and bus logs of the intelligent cockpit domain controller can be obtained under the condition of being far away from the vehicle, and development and test personnel are helped to analyze the intelligent cockpit problem. When a use problem occurs in the vehicle intelligent cockpit domain, the method can select different modes to obtain the intelligent cockpit domain controller log according to an actual scene, so as to help development and test personnel to remotely check the problem.

The invention discloses a building engineering construction quality progress monitoring method and system based on artificial intelligence. A BIM model is constructed according to image data and project drawings of an engineering site; according to the BIM model, intelligent sensors are arranged on site, and online construction information is collected; online construction information is extracted, three-dimensional environment scene reconstruction is carried out according to the surrounding environment, and construction progress data is obtained; calculating an environment fluctuation value according to the construction progress monitoring condition and the online construction information, and setting a construction adjustment strategy; constructing a gray scale prediction model, and predicting a progress critical value result according to the construction progress data and the construction period after construction adjustment; and the construction progress data, the three-dimensional environment scene and the progress critical value prediction result are visualized to generate a BIM simulation large screen, so that the scheduling scientization of the construction process is realized.

The invention relates to the technical field of data display, can be applied to business system platforms of financial science and technology, medical health and the like, and discloses a link monitoring large screen display method, device, equipment and medium, the method comprises the following steps: obtaining a plurality of visual components, performing component configuration on the plurality of visual components, and obtaining an initial configuration component library; obtaining component attributes of the initial configuration component library, and performing incremental updating on the component attributes to obtain component change attributes; obtaining an incremental component according to the component change attribute, performing component updating on the initial configuration component library by using the incremental component to obtain a target visual component library, and constructing a link monitoring large screen according to the target visual component library; obtaining link topology data, and performing link topology rendering on the link topology data to obtain target link data; and performing visual display on the target link data on the link monitoring large screen to obtain a data display result. According to the invention, high configurability and modularization of the link monitoring large screen can be realized.

The invention discloses a safety management system based on low-orbit satellite centimeter-level positioning equipment, and relates to the technical field of satellite positioning equipment management, and the system comprises a low-orbit satellite positioning module which employs a phased-array antenna, achieves centimeter-level positioning, and is high in interference resistance; the data transmission module adopts a 5G and satellite link dual mode, and is stable in transmission and low in packet loss rate; the safety monitoring module is used for monitoring in real time and quickly transmitting an alarm by various high-precision sensors; the intelligent analysis module analyzes data through a machine learning algorithm to obtain a report; the monitoring center displays multiple information on a large screen and can process alarms in a grading manner; and the user interaction module is friendly in interaction and safe in authority management through biological recognition. The system is high in positioning precision, stable in data transmission, sensitive in safety monitoring, accurate in intelligent analysis, complete in monitoring center function, convenient in user interaction and safe in authority, effectively improves the multi-scene safety management efficiency, and is wide in application prospect.

The invention relates to the field of combat command and dispatch, in particular to a multistage linkage combat unit command and dispatch system. According to the invention, a basic-level minimum emergency unit element information base is constructed through a data acquisition module; generating an electronic map supporting 2D and 3D switching; an intelligent analysis early warning module identifies abnormal conditions and generates early warning information; a plurality of multi-level linkage combat unit topology networks are generated through the multi-level linkage command architecture module; generating a command data large screen for dynamically aggregating public security indexes and a global situation visualization electronic map through a global situation visualization module; an early warning area is circled and selected through the intelligent scheduling module; and associating the corresponding multi-stage linkage combat unit to generate a deployment instruction. According to the multi-level linkage combat unit command and dispatch system provided by the invention, the multi-level linkage combat unit is effectively combined with a dynamic visual geographical environment from data acquisition, analysis and early warning to command and dispatch through cooperation of multiple modules, so that the command and dispatch efficiency is remarkably improved.

The invention discloses a constant-temperature cabin control method of a new energy automobile, and belongs to the field of new energy automobiles. The method comprises the steps that in a power-on and power-off period, overheating protection setting items of a constant-temperature cabin are selected and started and fed back to a vehicle-mounted large screen at the same time, and the setting items comprise an AC mode and an AC-free mode; according to the environment temperature and the vehicle state, the function state which the selected setting item is about to enter is judged, and the function state comprises a function maintaining state and a function quitting state. Meanwhile, the invention further provides a constant-temperature cabin control system of the new energy automobile according to the method. Intelligent constant-temperature control of the automobile cabin is achieved, overheating caused by long-time parking of the automobile in a high-temperature environment is prevented, and therefore a more comfortable cabin environment is provided for a user.

The utility model discloses an inward and outward folding telescopic support for television installation, which comprises a connecting plate, hollow square tubes are vertically welded and fixed on two sides of the connecting plate, connecting ribs are arranged on the hollow square tubes at intervals, the hollow square tubes are connected with a hanging rack, and the hanging rack is connected with the connecting plate. The two sides of the middle portion of one side of the hanging frame are turned inwards to form two pairs of fixing pieces, the fixing pieces are connected with an upper U-shaped connecting piece and a lower U-shaped connecting piece, the two sides of each U-shaped connecting piece are perpendicularly turned on one side and are provided with threaded holes in a penetrating mode, and a telescopic assembly is installed on the side, away from the connecting plate, of each U-shaped connecting piece through a T-shaped sleeve. The utility model belongs to the technical field of television installation, particularly relates to an inward and outward folding telescopic support for television installation, and solves the problem that a socket, a signal box, a sound box and the like are difficult to avoid when a television is installed. And the problem that the installation elevation angle of the large-screen television cannot be stably fixed due to the fact that the television is installed in an embedded mode to increase the thickness away from the wall and an adjusting device is solved.

The invention provides a layer synthesis method, terminal equipment and a storage medium, and relates to the technical field of terminals. In the scheme, in the process that a user uses a large screen, terminal equipment can identify each to-be-synthesized layer to determine whether the layer needs to be preprocessed by a GPU (Graphics Processing Unit) or not, such as wallpaper layer rotation; if the GPU needs to be used for preprocessing, the GPU is used for rendering a preprocessed layer, and the preprocessed layer is stored in the cache region. And when the same layer processing task exists subsequently, the preprocessed layers in the cache region can be directly sent to the HWC for hardware synthesis, and GPU synthesis is not needed, so that the overall power consumption and load of the terminal equipment are reduced, and the overall performance is improved.

The invention provides a screen encryption method and device and an LED large screen system, and relates to the technical field of LED large screens, and the screen encryption method comprises the steps: controlling an upper computer to generate a first encryption instruction according to the authority determined by an administrator, transmitting the first encryption instruction to an encryption circuit for data conversion, and generating a corresponding dynamic random password; the dynamic random password is displayed on the LED display module; responding to a dynamic random password input by the user on the upper computer, and generating a corresponding second encryption instruction; determining an instruction similarity between the first encryption instruction and the second encryption instruction; and under the condition that the instruction similarity reaches a similarity threshold value, controlling the encryption circuit to conduct an enabling end of the LED display module so as to allow the LED display module to normally display contents. According to the application, the security of the LED large screen system can be improved, illegal control of the LED display module is prevented, and the legality of the display content is ensured.

The invention discloses a channel risk management method based on drug circulation data, and relates to the technical field of drug channel risk management, and the method comprises the steps: collecting drug distribution data, pharmacy inventory data and drug sales data of a distribution link; based on the historical data and the current data, segmented risk early warning is carried out on drugs from a manufacturer, a transportation link, an inventory link and pharmacy sales, so that compensation counterfeiting risk identification in a distribution link, channel goods pressing risk identification and goods shortage and return risk identification are accurately realized, and finally, comprehensive risk assessment is carried out based on a segmented early warning result. All channel risk points of medicine circulation can be fully covered, the risk assessment period can be flexibly set, data display board display can be carried out in cooperation with a large screen of a management center with the month as the unit, the week as the unit and the day as the unit, and accurate early warning information and data pushing can be carried out on associated personnel of associated channels in cooperation with APP data intercommunication. Therefore, efficient risk identification and pushing early warning are realized.

The invention provides a brightness splicing method and system applied to a medium and large-size screen Demura technology, and relates to the technical field of display.The method comprises the steps that firstly, flat-field correction is conducted on a camera through an integrating sphere image, and a relation model of sensor brightness, exposure time and object distance is established; then correcting data acquired by multiple cameras by using the model so as to eliminate the influence of a sensor and an object distance; shooting a to-be-shot product in different regions to obtain sub-pixel coordinates and brightness of each region; calculating a correction coefficient according to the local curvature information, and correcting the regional data; and finally, fusing overlapped parts of adjacent regions to obtain complete full-resolution data. According to the method, the technical blank in the market is filled, the use cost of the industrial camera is reduced, powerful support is provided for high-precision and high-efficiency Demura technology application, and the method is suitable for brightness uniformity correction of medium and large-size and special-shaped screen bodies.

The invention provides an intelligent large screen power supply system, method and device based on ambient light capture and a medium, and belongs to the technical field of energy-saving control. The system comprises an ambient light capturing module used for collecting ambient light and converting the ambient light into electric energy; the energy management module is used for collecting current ambient light intensity, processing electric energy, dynamically distributing the electric energy to a display system of the intelligent large screen for power supply or charging an energy storage module according to an instruction of the intelligent control module, and feeding back light intensity and energy flow data to the intelligent control module; the energy storage module is used for storing surplus electric energy under the control of the energy management module, outputting electric energy to the energy management module to maintain the operation of the display system when the light intensity is insufficient, and receiving a state detection instruction of the intelligent control module through a sleep wake-up mechanism; and the intelligent control module is used for receiving the light intensity data, generating an electric energy distribution and display parameter adjustment strategy, and controlling power supply mode switching of the energy management module and dormancy awakening of the energy storage module.

The invention discloses automatic feeding and screening integrated equipment for granular silicon, and belongs to the technical field of screening equipment.The automatic feeding and screening integrated equipment for the granular silicon comprises a bottom cover, a screening bin, a feeding pipe, a feeding mechanism, an upper pressing plate, a supporting shaft, a screening plate, a small-screen-mesh area and a large-screen-mesh area, and the screening plate is located below the upper pressing plate; a plurality of arc-shaped protruding strips are fixedly connected to the upper end face of the screening plate and arranged on the end face of the screening plate in a radial mode, and a discharging mechanism is arranged in the screening bin. When the screening plate rotates, friction is generated between the upper pressing plate and large-particle silicon particles, under the driving of friction force, the large-particle silicon particles are driven to a large screening hole area along the surfaces of the arc-shaped protruding strips, and the large-particle silicon particles and small-particle silicon particles can be separated; and the materials are respectively screened by the large sieve pore area and the small sieve pore area.

The invention discloses a Beidou-based field personnel positioning and communication method and apparatus, and a storage medium. The method comprises the steps of obtaining position data information of a user through a Beidou short message satellite to obtain a current position of the user, and displaying the current position on a background data large screen in combination with a GIS map; judging whether the user is in a dangerous area or not according to the position data information, and sending a corresponding early warning notification to a first terminal positioning device of the user when the user is in the dangerous area; meanwhile, a motion trail can be generated according to the position data information, and an area through which the user passes in the future is predicted, so that early warning and prediction are realized; meanwhile, rescue information can be provided during rescue, the rescue efficiency and the success rate are improved, positioning and monitoring of field personnel are achieved, danger early warning is provided for the field personnel, and more data support is provided for rescue assistance.

The invention discloses a stereoscopic vision optimization method and system for a naked-eye 3D large screen, and particularly relates to the technical field of naked-eye 3D vision optimizing.The method comprises the steps that environment illumination and audience positions are sensed in real time through multi-sensor fusion, and an environment light field model is established; glare crosstalk noise is predicted based on physical simulation, and self-adaptive suppression and compensation are carried out in combination with human eye visual sensitivity and image content features; a virtual camera is dynamically generated according to the real-time positions of the eyes of the audience, and a lightweight neural radiation field renderer is used for real-time re-rendering, so that motion parallax is realized; and finally, intelligently fusing the glare compensation layer and the perspective correction layer, coding and outputting to a screen. The system correspondingly comprises an environment perception module, a glare compensation module, a perspective rendering module and a fusion coding module. The naked-eye 3D large-screen display method effectively inhibits ambient light interference, improves the quality and immersion of a stereoscopic picture under different visual angles, and is suitable for naked-eye 3D large-screen display under outdoor and complex illumination environments.

The invention relates to the technical field of artificial intelligence, in particular to an intelligent large-screen multi-round dialogue linkage method based on a large model. A user can control the intelligent large screen anytime and anywhere through the mobile phone without being limited by time and equipment operation. Compared with a traditional interaction mode, the user experience is more natural and convenient. A two-dimensional code generated by an intelligent large screen is scanned through a mobile phone program, a safe interaction channel is established through a WSS protocol of Websocket, and multi-round dialogue control is performed by using a large model.

The invention discloses terminal equipment, which comprises a display structure, a shielding structure and an antenna, and is characterized in that a second part of the shielding structure is arranged on the periphery of the side surface of the display structure, and the second part is arranged between a radiator and the side surface of the antenna, so that signal isolation is realized, and the absorption loss of the display structure to the antenna is reduced. According to the application, the miniaturization and large screen-to-body ratio of the terminal equipment can be realized, and the performance of the antenna can be ensured.

The invention provides a data analysis large screen generation method and device and a data analysis system.The method comprises the steps that an input data analysis requirement text is obtained, and the data analysis requirement text is a text describing a data analysis requirement; the data analysis demand text, the chart type and the data field are matched, a target chart type and a target data field are obtained, the target chart type is the chart type meeting the data analysis demand, and the target data field is the name of data needed by meeting the data analysis demand; matching a chart template according to the target chart type to obtain a target template; acquiring data corresponding to the target data field and filling the data into the target template to obtain a data chart; and generating a data analysis large screen according to the data chart. The problem of low efficiency of data analysis in the prior art is solved.

The invention discloses a BIM-based electromechanical installation resource management and control system, and the system comprises a data sensing layer which integrates a laser radar, an RFID, a UWB and an environment sensor, collects multi-modal data, and forms a total-factor digital twin base data stream after the multi-modal data is preprocessed by a mobile edge computing node; the model fusion layer is used for binding the construction progress with BIM component attributes, dynamically deducing a component-level progress path through an AI algorithm, identifying key path conflicts, integrating ERP resource data to generate a thermodynamic diagram and a cost deviation curve, and automatically detecting pipeline collision, progress lag and cost hyper-branched risks through a rule engine machine learning dual-mode engine; triggering multi-stage early warning and dynamically adjusting a threshold value; the intelligent decision-making layer is used for predicting the progress deviation probability of the future seven days by adopting LSTM, generating a non-tampering deviation correction scheme in combination with a block chain, and realizing hierarchical response through a yellow-orange-red three-level alarm system; and the user interaction layer is used for realizing multi-terminal collaboration and executing verification data feedback through AR glasses, a mobile terminal and a large-screen monitoring center.

The invention discloses a control method for wireless charging of an electric vehicle, which comprises the following steps of: detecting whether the current vehicle is in a wireless charging area or not in real time through a vehicle-mounted wireless charging module, and when the vehicle is detected to enter the wireless charging area, sending a reminding signal through a vehicle-mounted large screen to remind the area where the current vehicle is located. The method has the advantages that reminding, control and interaction in the wireless charging process are achieved through interaction control, and the accuracy of starting control of wireless charging and the experience feeling of a user during wireless charging are effectively improved.

The invention provides a building construction safety intelligent early warning and prevention and control system, and belongs to the technical field of building construction safety intelligent management. According to the invention, through GPS, sensor network and environmental parameter monitoring, dynamic perception of personnel behaviors, equipment states and construction environments is realized, high-place falling, mechanical faults and fire accidents are effectively prevented, a risk model constructed based on big data and machine learning can accurately identify accident rules, such as seasonal hidden dangers and equipment fatigue trends, and the safety of the system is improved. Traditional post-event processing is converted into pre-event prevention, personnel distribution, equipment states and environment data are displayed through a large screen and a mobile terminal, a manager can quickly allocate resources and balance safety and progress contradictions, a safety performance evaluation module generates a report through indexes of an accident rate and a hidden danger rectification rate, the safety management effect is quantified, and the management efficiency is improved. Weak links are helped to be positioned, risk model parameters and early warning rules are optimized regularly, and a PDCA cycle of'monitoring-early warning-prevention and control-evaluation 'is formed.