198 results about "Graphics workstation" patented technology

The invention relates to a subsurface flow simulating and predictive analysis method which comprises the following steps of: dynamically observing and collecting groundwater date of a mining area, integrating the groundwater data into a graphic workstation by utilizing a data engine, automatically establishing a finite element mesh model of the dynamic water level of each water layer, and determining parameter partitions and corresponding parameter values so as to realize the dynamic analog of water level of the water layer and the simulation of groundwater migration; and carrying out the simulation of a groundwater seepage field and the dynamic and real-time simulation of aquifer in designed software and hardware environments, and carrying out interactive analysis, prediction and evaluation on various models in the VR environment and the WEB environment by using tools such as interactive operation, information inquiry, and the like. The method can provide the scientific basis of reasonably developing and utilizing water resources for the future development and the evolution tendency of groundwater resources, and achieves low overall cost, easy popularization and use as well as flexible and reliable operation.

The invention relates to a simulation system of loading and unloading operation processes in pressurized water reactor (PWR) nuclear power plants. The system comprises an LED (light emitting diode) display screen, a touch screen, an operation control table consisting of a component part consisting of a button, a switch, an operating rod, an indicator lamp and an alarm, an information communication and processing device consisting of a programmable logic controller PLC (programmable logic controller) and a PC graphic workstation, a display device consisting of a scene display and a camera, and an industrial personal computer. The simulation system of the loading and unloading operation processes is designed in strict accordance with functions of real loading and unloading machines, is featured with rich simulated objects, reliable simulation data and strong reality, simulates various common abnormal states or failure states, allows interactive operation, clears faults and has a component showing function; the touch screen has an interface control function; the system simplifies layout of an operation table, expands subsequent functions, effectively trains loading and unloading operators and is widely applied to nuclear power stations and related analogue simulation systems.

The invention discloses a three-dimensional medical image display method based on GPU acceleration, and belongs to the technical field of medical image processing. The method comprises the following steps: firstly, storing medical DICOM image sequence files in a volume data mode; secondly, expanding an interface function API by three-dimensional graphic base programming of OpenGL or DirectX, and loading the volume data in a GPU memory; thirdly, calculating to generate an agent geometric solid, and performing illumination calculation and color calculation on polygonal slices in the agent geometric solid pixel by pixel; and finally, synthesizing all polygonal slices in the agent geometric solid into a three-dimensional medical image through Alpha blending. Compared with the prior medical image display method based on CPU, the three-dimensional medical image display method based on GPU acceleration has high operation speed, can realize real-time interactive display on PCs of people in common consumption level, and does not need using a graphic workstation to greatly reduce cost.

The invention discloses a position and posture measurement method of a high-speed rolling body, belongs to the technical field of computer visual measurement, and relates to a precise measurement method of space positions and postures of the high-speed rolling body based on vision. According to the measurement method, a binocular vision system is adopted, motion images of the measured rolling body can be collected in real time by means of a left high-speed camera and a right high-speed camera, and picture information transmitted by the left high-speed camera and the right high-speed camera is processed by an image work station. 36 mark points with known positions are evenly machined on the surface of the measured rolling body in the mode of special mark points, and accordingly the problem that the mark points on the surface of the measured rolling body disappear in the motion process is solved. Three collinear mark points are machined each time the measured rolling body rotates by 30 degrees around the axis of the rolling body in a mark point special layout mode. In the mark point special layout mode, the problem that the mark points disappear due to rolling of a target article is solved, and the position and posture measurement of the high-speed rolling body can be effectively completed.

The invention relates to an apparatus and method for measuring elastic turbulence characteristics of a viscoelastic polymer in a porous medium, wherein a side connector of a fluorescent microscope of the apparatus is connected to a CCD (couple charged device) camera, a saline container, a polymer solution container and a synthetic oil container that are connected with an oil / water container are parallelly connected between an inlet of a micro metering pump and an inlet of a two-dimensional mesh microscopic simulation model, the two-dimensional mesh microscopic simulation model is provided with an inlet pressure sensor and an outlet pressure sensor, and a light guide arm of a micro field particle image speed-measuring system is positioned right above the two-dimensional mesh microscopic simulation model; all the micro field particle image speed-measuring system, the fluorescent microscope, the inlet pressure sensor and the outlet pressure sensor are connected to a data graphic data station. The apparatus and method are capable of effectively recognizing elastic turbulence of viscoelastic polymer solution in porous medium seepage, and providing qualitative and quantitative description for elastic turbulence characteristics.

The invention discloses a coal underground gasification combustion space area mapping system and a mapping method thereof and belongs to the technical field of mine surveying and mapping. According to the coal underground gasification combustion space area mapping system and the mapping method thereof, a driving device is utilized to push a 3D laser scanner, a dual camera sensor and an industrial endoscope into combustion space areas through vertical holes, the combustion space area near each vertical hole are scanned through laser, laser collection, data transmission of an industrial switch and imaging of a graphic workstation are performed through the dual camera sensor, so that the mapping of internal shapes of the combustion space areas is completed, actual shapes of the combustion space areas inside a coal seam are learnt about visually, various technical parameters of a well drilling type underground coal gasification technology are checked, and theoretical support is provided for stability and continuity in the underground coal gasification process.

The invention relates to a computer simulation and emulation system, in particular to a pressurized water reactor nuclear power station material-loading / unloading simulator system. The system consists of an operation control console, a PC computer with the configuration of a figure work station and a programmable controller PLC, wherein the operation control console is designed with the proportion of 1:1 according to a material object control console of a material-loading / unloading machine, and each operation component on the operation control console and a signal lamp display device are connected with the PLC; the PC computer is provided with an upper program unit and a three-dimensional control unit, and date interaction is performed between the PLC and the upper program unit of the PC computer; the PLC receives signals from the control console and position information of vehicles with different sizes from the upper program, sends an action instruction to the PC computer after logical operation, and controls the signal lamp on the control console; and the upper program unit in the PC computer sends information about the vehicles with the different sizes and the speed direction of a gripping apparatus to the three-dimensional control part to control the vehicles with the different sizes and the motion of the gripping apparatus in a three-dimensional control part, and the three-dimensional control unit returns the position information of the vehicles with the different sizes and the gripping apparatus back to the upper program unit.

The invention discloses a three-dimensional distributed rendering synchronous refreshing method and system. The three-dimensional distributed rendering synchronous refreshing method comprises the following steps: acquiring three-dimensional model data in a three-dimensional scene to be refreshed, and grouping the three-dimensional model data according to a graphic workstation rendering performance parameter and a preset rendering frame rate; performing distributed rendering on each group of three-dimensional model data in sequence to generate corresponding images; synchronously refreshing and displaying the images obtained by rendering the same group of three-dimensional model data. According to the scheme of the invention, the three-dimensional scene to be refreshed is rendered into a plurality of pictures on the basis of the three-dimensional model data, and the images obtained by rendering the same group of three-dimensional model data are refreshed and displayed synchronously, so that three-dimensional display contents in a display unit are refreshed synchronously.

The invention relates to a system for conducting computer geological modeling, simulation and analysis according to hydraulic and hydroelectric engineering geologic field exploration data, and discloses a hydraulic and hydroelectric engineering geologic three-dimensional real scene field logging and mapping system. The problem that in a traditional technology, quick data analysis cannot be achieved is solved. The hydraulic and hydroelectric engineering geologic three-dimensional real scene field logging and mapping system comprises a hardware system and a software system, wherein the hardware system comprises an aerial photographic image collecting device, a graph work station, a computer terminal and a portable land photographic image collecting device; the software system comprises a terrain scene building subsystem, a geological logging data subsystem, a geological plotting data subsystem, a three-dimensional visualization and analysis subsystem and an engineering geologic data management and exchange subsystem. According to engineering geologic filed logging requirements, the quick analysis and modeling functions are provided, and a digitized, intelligentized and three-dimensional visualized solution is provided for engineering geologic field logging operation.

The invention discloses a simulation training system and method for airport operation command. The simulation training system comprises a large-screen liquid crystal display screen, a large-screen display control mainframe, a network switch, a tester operation position, an image splicing controller, an image working station, an image working station set control mainframe, a wireless hand lever, a server set and a training terminal set, wherein the network switch is respectively correspondingly connected with the image working station, the image splicing controller, the tester operation position, the image working station set control mainframe, servers and training terminals in a telecommunication mode. Supported by an event simulation engine, the simulation training system and method can simulate real environment of an airport operation command site and the handling process of real business events, feed back virtual training information of all operation control subsystems of an airport in a stylized mode, and simulate organization, command, coordination, control of air operation and remote monitoring and control over emergency rescue. The simulation training system and method can promote the normalization and standardization process of the airport operation command, and normalization and standardization are necessary requirements for the efficient and safe airport operation.

The invention relates to the technical field of patient location verification in a radiation therapy process, and particularly relates to a real-time verification device and method for patient placement in radiation therapy. The device comprises a first optical camera, a second optical camera and a third optical camera, wherein the first optical camera, the second optical camera and the third optical camera are arranged around a therapy bed. Each optical camera is arranged on a corresponding support. The first optical camera is arranged in front of the therapy bed. The second optical camera and the third optical camera are arranged on both sides of the therapy bed. Three optical cameras are connected with a video acquisition card through a video cable. The video acquisition card is arranged on a graphics workstation. A video calibration board is arranged on the therapy bed and corresponds to the head, the feet, the left side and the right side of a patient. The video calibration board acquires calibration images to calibrate the cameras. The graphics workstation uses an algorithm and software to control the cameras to realize the real-time verification of the patient placement. The device and method can realize accurate placement guide and verification of the patient, which greatly improves the accuracy of radiotherapy.

The invention relates to a navigating system and method for an orthopedic operation. The navigating system for the orthopedic operation comprises an orthopedic operation navigating module and an orthopedic operation navigating device, and the orthopedic operation navigating module is installed in the orthopedic operation navigating device. In the orthopedic operation navigating module, a graphic workstation is used for operation of software and comprises a navigation software module and a single-chip microcomputer module. The navigating software module is used for conducting three-dimensional reconstruction on a two-dimensional image, photographed before the operation of a patient, on the skeleton of the operative part and three-dimensional movement information of the shapes, the positions and the movement tracks of the operative part of the patient and an operation instrument, and registration and fusion are conducted on two reconstructed three-dimensional images under the same coordinate system, and a three-dimensional navigating image is obtained; the single-chip microcomputer module has the storage function. According to the navigating system and method for the orthopedic operation, the intelligence degree can be easily improved, the use quality is improved, the maintenance cost is lowered, the service life is prolonged, and the operation can be completed more safely, more accurately and more efficiently.

The invention aims to provide a blade running elevation measurement device and method based on binocular stereovision technology. The device comprises a light source, an inductance proximity switch, a helicopter blade mechanism, cameras, a guide rail and a graphic workstation, wherein the light source is arranged above the helicopter blade; the inductance proximity switch is mounted on the helicopter blade; left and right cameras are mounted on the guide rail, face the helicopter blade and are distributed at the two sides of the helicopter blade; and the two cameras are connected with the graphic workstation. The device is simple in structure, convenient to adjust, simple to mount and maintain and stable and reliable in working.

The invention relates to a full-automatic recording and broadcasting system used for remote instruction. The full-automatic recording and broadcasting system comprises a video signal collecting module, a voice frequency signal collecting module, an automatic recoding and broadcasting editing module and a graphic workstation, wherein the video frequency signal collecting module and the voice frequency signal collecting module are both connected with the automatic recording and broadcasting editing module. Collected video frequency signals and voice frequency signals are transmitted to the automatic recording and broadcasting editing module, the automatic recording and broadcasting editing module is connected with the graphic workstation, after being edited into voice-video frequency files by the automatic recording and broadcasting editing module, the video frequency signals and the voice frequency signals are transmitted to the graphic workstation, and the graphic workstation conducts compressed encoding to the voice-video frequency files to produce streaming media files. Compared with the prior art, the full-automatic recording and broadcasting system used for the remote instruction can record and edit live teaching conditions in a real-time mode, no operation control by a specially-assigned person is needed during the whole teaching recording process, the graphic workstation can conduct the compressed encoding to the voice-video frequency files to produce the streaming media files and the streaming media files are uploaded onto the internet to be transmitted in a live mode.

A virtual mechanical and true electric control simulation system to be equipped on industrial large-size mechanical comprises industrial control computer formed by tensile force simulator, data collection module and interface communication module; graphic operation station with data virtual-reality module and electric control unit being used to generate various true control signals of said industrial large-size mechanism and to simulate these signals. It is featured as enabling to debug electric control unit of industrial large-size mechanical by carrying out united-debugging of true electric control unit and virtual mechanical simulated by computer.

The invention provides an active snakelike endoscope robot system which comprises an endoscope, a push and draw mechanism, a movement control cabinet, a graphic workstation and a display screen. According to detailed information of human tracts and operating instructions of doctors stored in the graphic workstation, and bending parameters, pressure values and the like fed back by the endoscope and received in real time, movement traces and bending strategies of the endoscope are made. In addition, after the endoscope reaches a target position or a target path, a manual mode and an automatic mode can be switched, and the system is more intelligent.

The invention discloses a high-velocity motion object pose vision measurement method based on structured light, belongs to the technical field of computer vision measurement, and relates to a large-view-field small-target high-velocity motion space pose measurement method. The measurement method comprises the following steps: shooting auxiliary crossed laser by left and right high-speed cameras by adopting vertical laser strips and auxiliary crossed laser, recognizing crossed points, and recording the imaging positions of the auxiliary crossed laser at left and right high-speed cameras respectively; and collecting images of a measured cylinder and the vertical laser stripes by utilizing left and right high-speed cameras, transmitting the collected images to a diaphragm workstation, binding and optimizing a target axis by utilizing the distance from the deformation parts of the laser stripes generated by the measured cylinder to the axis, thereby obtaining the position and pose information of the target object finally. According to the invention, the pose information of high-speed motion target objects with high precision without any treatment by utilizing the laser stripes can be obtained, the image collecting quality is improved, and the influence by noisy points is prevented effectively.

The invention discloses an ultrasonic scanning tomography device for volumes of superficial tissues and organs, which comprises a probe, a bracket and a graphic workstation, wherein the probe is provided with an indent end part and is used for emitting an ultrasonic wave, receiving an echo and collecting two-dimensional ultrasonic images of the superficial tissues and organs along the direction vertical to the body surface; the probe is mounted on the bracket; the bracket is used for driving the probe to move and generating a trigger signal; the continuous multi-frame two-dimensional ultrasonic images are sampled by the probe according to the trigger signal; the graphic workstation is connected with the probe and is used for obtaining volume data of the two-dimensional ultrasonic images and reconstructing the images of three orthogonal tangent planes, namely, a cross tangent plane, a vertical plane and a coronal plane of the superficial tissues and organs, on the basis of the two-dimensional ultrasonic images; and the graphic workstation comprises a preprocessing server, a tangent plane image processing server and a synchronous processing server for the three orthogonal tangent planes. The probe with the indent end part adopted by the ultrasonic scanning tomography device provided by the invention is suitable for the detection for the superficial tissues and organs, such as mammary glands, thyroid glands, four limbs and the trunk. The process of imaging the three orthogonal tangent planes of the graphic workstation is simpler.

The invention belongs to the technical field of computer vision measurement and relates to a binocular-vision-based method for quickly and accurately measuring rotary inertia. The method includes that a binocular vision system is adopted, two ultra-high-speed cameras are utilized to collect moving images of surface mark points of a measured object in real time, a graphic workstation processes image information transmitted by the two ultra-high-speed cameras to acquire moving tracks of the mark points in space, and the rotary inertia of the measured object is calculated through fitting of the tracks. Plane fitting and projection are performed on space position of the measured object at each moment by utilizing the binocular vision system, space moving coordinates of the measured object are enabled to be in a same plane, and influences, on measuring accuracy, caused by the fact that swinging motion is not in a plane are reduced; by real-time space moving coordinate curve fitting taking damping coefficients into consideration, influences, of air resistance and mechanism resistance, on accuracy of a measuring system are reduced, and measuring accuracy of the rotary inertia is improved.

The invention belongs to the technical field of road traffic, and discloses a driving analog simulation system based on multi-agent traffic flow. The system comprises a BIM simulation environment module, a multi-agent traffic flow simulation module, a driving simulation platform, a control module of the driving simulation platform, a vehicle control and risk early warning module, a vehicle collision and risk identification module and a driver heart physiological data acquisition module, wherein all the modules are respectively connected to a high-performance graphic workstation for corresponding data processing, and the driver heart physiological data acquisition module and the multi-agent traffic flow simulation module are respectively connected with a data operation server and are used for storing data acquired by the sensor in real time and real traffic flow data. According to the invention, the multi-agent traffic flow simulation module realizes accurate simulation of multi-agent complex traffic flow, also realizes analysis of the driving behavior of the vehicle and the running state of the traffic flow vehicle, and finally realizes comprehensive evaluation of the traffic safety condition of the road section and the road network.

The invention relates to an optical track capturing input device which mainly uses optical sensing equipment and software operation technology to judge the actions of mouse moving, typing, click, double click, hand writing and the like of users by capturing the data such as distance, depth and the like of simple actions of moving, touching and the like generated by fingers or other objects, thereby achieving the purpose that users can carry out various kinds of input operations on electronic equipment, such as mobile phones, various micro hand-held computers, personal computers, graphic workstations, televisions and the like.

The invention relates to a high resolution multi-machine large screen display synchronizing method and belongs to the technical field of data communication and image processing. According to the method, in a hardware system mainly formed by an intelligent control terminal, a database server for storing display objects, at least two graphic workstations and a multi-screen processing device, the synchronous playing display of assigned display objects is achieved through the steps of segmenting, configuring, operating, loading, synchronizing and displaying. The high resolution multi-machine large screen display synchronizing method can support extreme high resolution display, occupied resources are greatly reduced, and the requirement for hardware is lower. A display client side is regarded as a display tool, system-level bottom layer operation can be accessed, system resources which are not used are uninstalled, hardware losses are reduced, and thus the operating speed and the stability of the system are improved. In the existing hardware environment of large screen display, the problem of the insufficient processing capacity brought by outputting massive information to large screens to be displayed can be solved simply by adding the graphic workstations acting through low cost PCs.

The invention discloses a virtual construction system of a full-face tunneling boring machine (TBM), which belongs to the field of the application of a full-face TMB. The system comprises a stereoprojection system and an operating console, wherein the stereoprojection system comprises a graphic workstation with a virtual simulation master program, a stereoscopic converter connected with the graphic workstation and a virtual reality display device for display, the virtual simulation master program can display the construction process of the full-face TBM based on a stereomodel, and the operation of the TBM model can be controlled by the operating console. The virtual construction system of a full-face TBM can be used for virtual experiment and operation training, thereby solving the problem that the experiment and operation training cost is higher in case of using the real TBM in the existing full-face TBM field.

The invention relates to the field of the computer technology, particularly to a method for sharing a graphic workstation GPU by virtual machines in a direct connection way. By adoption of the method, the graphic workstation GPU can be shared by multiple virtual machines in the direct connection way. The method for sharing the graphic workstation GPU by virtual machines in a direct connection way comprises the steps of dividing the graphic workstation GPU to form a plurality of virtual GPUs; configuring to generate virtual machines, and assigning control nodes and calculation nodes for the generated virtual machines; after the virtual machines are started, enabling the calculation nodes to read the working states of the virtual GPUs, and sending the numbers of the virtual GPUs in an idle state and a bus ID to the control nodes; and enabling the control nodes to select and allocate the virtual GPUs to the corresponding virtual machines to establish mounting connection between the virtual machines and the virtual GPUs.

The invention discloses a method and a system for controlling multiple machines to synchronously output an image in parallel. The method comprises the following steps: according to screen display equipment logic area dividing rules, a display file is configured for each graphic workstation; synchronous bus updates and generates a bus command sequence according to events of a power real-time database, and transmits the bus command sequence to each graphic workstation; each graphic workstation generates update graphic data information according to the bus command sequence and the display file and converts the update graphic data information into a graphic signal; the graphic signals of the graphic workstations are summarized and a refreshed image is display on the screen display equipment. The method and the system for controlling multiple machines to synchronously output the image in parallel have the advantages that the extension is flexible and the extension demand of the system can be satisfied by adding the graphic workstations only; since multiple machines calculate the same image in parallel, the load of the workstations can be reduced and the working efficiency of the system is improved.

The invention discloses a power grid comprehensive application platform based on three-dimensional data and belongs to the field of data application. The platform comprises a facility layer, a data layer, an application layer and a user layer, all of which are in data connection, wherein data connection is realized through a cloud server data connection mode; the facility layer comprises multiplegraph work stations and application service stations; the facility layer comprises a platform supporting sub-layer; data interaction between the platform supporting sub-layer and the data layer and data interaction between the platform supporting sub-layer and the application layer are realized through the cloud server data connection mode; the user layer is a client; the data layer is a power grid development database and comprises a power grid operation database, a comprehensive basic database, a geographic information database, a spatial theme database and a power grid equipment database; and the application layer comprises an identity permission module, a data information acquisition module, an evaluation module and a project module. Power grid internal and external production data, operation data, scheduling data, planning data and other data are comprehensively integrated to establish the geographic space and time ''multidimensional'' data platform, and quick acquisition of datainformation is realized.

The invention provides a system for accurately measuring and evaluating influences of microvibration on the imaging quality of a camera and belongs to the field of optical imaging. A dynamic signal acquisition instrument is connected with ten three-way acceleration sensors; a graphic workstation is connected with a camera imaging electronic part; a counteractive flywheel controller is connected with a Z-direction counteractive flywheel, an X-direction counteractive flywheel and a Y-direction counteractive flywheel through cables; the Z-direction counteractive flywheel, the X-direction counteractive flywheel and the Y-direction counteractive flywheel are installed on a camera main force bearing plate, the long-focus camera is installed on a camera support, the camera support and a long-focus collimator are horizontally disposed on a vibration isolation air floating platform, the optical axis of the long-focus camera coincides with the optical axis of the long-focus collimator by adjusting side swaying and pitching of the camera support, and a knife edge target is placed at the focus of the long-focus collimator; the ten three-way acceleration sensors adhere to the X-direction counteractive flywheel, the Z-direction counteractive flywheel, the Y-direction counteractive flywheel, the camera main force bearing plate, a camera truss, a camera secondary mirror mounting rack, the camera support, the long-focus collimator, the knife edge target and the large vibration isolation air floating platform.

The invention discloses an adaptive dynamic stereoscopic augmented reality navigation system based on real-time tracking and multi-source information fusion. The system is composed of a head posture tracking unit, a real-time imaging unit, an operating instrument, an operating instrument tracking and positioning unit, a graphic workstation and a display. The head posture tracking unit consists of multiple cameras, stereoscopic glasses and a head posture signal collection and processing module; the operating instrument tracking and positioning unit consists of a position pose sensor, and a data collection and processing module; the real-time imaging unit consists of an image sensor, an image acquisition and processing module; the graphic workstation registers and combines a three-dimensional model of a work object or the image of the object before the operation and the real-time image and the real-time gesture of the operating instrument, to generate scenarios of stereoscopic augmented realities, and adaptive dynamic adjustments of reality scenarios are carried out. The system makes it easy for operators to observe the operating stereoscopic scenarios from different angles, the operating instrument is made flexible and easily controlled, the cognitive ability is increased, and the quality and the efficiency of operation are improved.

The invention relates to a high-precision detection device of the coin surface quality based on a vision system. The flaw location and quantification can be carried out on the surface of coins issued at home and abroad without the standard reference. According to the invention, a high-precision 5-megapixel CMOS camera and high-end imported camera lens are adopted to form a precision optical detection system, LED white ring light sources, coin acquisition is achieved through the assistance of a shading experiment platform and a graphic workstation, and the coin surface flaw detection is realized by the utilization of an image processing system. The detection content comprises spots on both sides and scratches. The detection device provided by the invention has advantages of high detection precision, complete flaw identification and the like, and can be widely applied in the coin surface quality detection.

The invention relates to the television program recording and broadcasting technology in the field of broadcasting and television, in particular to a method for editing a template in real time in a virtual studio system. The method comprises the following steps: interlinking an editing system and a graphics workstation which have no contact originally in the virtual studio system under recording and broadcasting separation, and enabling the editing system and the graphics workstation to be capable of performing mutual interaction in real time, thereby the editing system is capable of editing a three-dimensional scene template in real time according to the real position information of a camera in a studio. By adopting the method of the invention, in the virtual studio system of recording and broadcasting separation, the security of the recording and broadcasting separation of the virtual studio system can be ensured, and the virtual studio system can edit the three-dimensional scene template in real time according to the real position information of the camera, thereby enabling the broadcasting of programs to be secure and accurate.