322results about How to "Realistic" patented technology

The invention discloses a three-dimensional enhancing realizing method for multi-viewpoint free stereo display, which comprises the following steps: 1) stereoscopically shooting a natural scene by using a binocular camera; 2) extracting and matching a characteristic point of an image of a main camera, generating a three-dimensional point cloud picture of the natural scene in real time, and calculating a camera parameter; 3) calculating a depth image corresponding to the image of the main camera, drawing a virtual viewpoint image and a depth image thereof, and performing hollow repairing; 4) utilizing three-dimensional making software to draw a three-dimensional virtual model and utilizing a false-true fusing module to realize the false-true fusing of the multi-viewpoint image; 5) suitably combining multiple paths of false-true fused images; and 6) providing multi-viewpoint stereo display by a 3D display device. According to the method provided by the invention, the binocular camera is used for stereoscopically shooting and the characteristic extracting and matching technique with better instantaneity is adopted, so that no mark is required in the natural scene; the false-true fusing module is used for realizing the illumination consistency and seamless fusing of the false-true scenes; and the multi-user multi-angle naked-eye multi-viewpoint stereo display effect is supplied by the 3D display device.

The invention discloses a novel digital optical sight. A network topology core structure of the optical sight is mainly composed of a digital optical sight body, a mobile terminal application program (APP), a cloud server and a social network, and an outdoor shooting and hanging internet of things (OSHN) is established based on an intelligent mobile interconnection technology. When a user shoots a target, a bullet hits the target region displayed in a partition mode undoubtedly and precisely due to the fact that partition is displayed with the impact point of the corrected actual bullet as the center point. Due to the fact that in the process, basically no manual participation is needed, a camera of the digital optical sight is aligned with a target to be shot, the follow-up processes are conducted through a digital sighting telescope, the digital optical sight aims at the target, computes the target distance, focuses automatically and locks the target automatically, the hit point is very precise as well, and the purposes of quickly tracking, automatically locking and precisely shooting the target are truly achieved.

The invention relates to an interaction method and system based on an augmented reality technique, and a terminal. The method comprises following steps that: a server receives a first graph and interaction information uploaded by a first terminal; a second terminal obtains a second image as real scene, extracts second image information as an identified object in real time and sends the second image information to the server; the server searches the interaction information related to the second image information from the preset database as virtual information and returns to the second terminal; the second terminal superposes the virtual information and the identified object in the real scene and displays as augmented reality information; the second terminal receives the operation of a user to the displayed augmented reality information and sends the operated information to the server. The interaction method based on the augmented reality technique of the invention enables the user to learn related information of the photographed object omni-directionally from various angles and enables the interaction information obtained by the user to have imagery; and the user experience is great.

The invention provides a design method of a virtual scene experience system, comprising the following steps: (a) collecting a panoramic image through a panoramic camera; (b) establishing a 3D virtual model based on the computer graphics and by use of a 3D modeling method; (c) fusing the physical image information in the panoramic image into the 3D virtual model to realize virtual-real fusion and to get a virtual fusion scene; (d) establishing a mode of interaction between users and the virtual fusion scene, and setting up a virtual scene experience interface; and (e) experiencing the virtual scene experience interface through an immersive display device.

The invention relates to a system and a method for open intelligent management of a laboratory. The system comprises a server and a client, wherein the server comprises a university level platform node server and a plurality of college level platform node servers; the university level platform node server performs data communication with a university shared data base through a data communication module and a synchronous module, and performs data communication with the college level platform node servers through the data communication module; the client is connected with the server through a campus network inside a university and through the INTERNET outside the university; and the client comprises a laboratory management control system and an intelligent laboratory management system. The method comprises the management of experiments or experiment courses specified in a teaching program and the management of open experiments or equipment usage outside the teaching program. According to the invention, all-day open of the laboratory can be realized, and the working efficiency of laboratory management personnel can be greatly improved.

The invention relates to an intelligent integral performing system of stages, lamplights and stage art and a control method. The intelligent integral performing system of the stages, the lamplights and the stage art comprises an intelligent dimming system, an intelligent stage control system, an intelligent stage art control system and a centralized control system. The control method applies the centralized control system, intelligent stage control, intelligent dimming and intelligent stage art control are organically combined into one through a controller area network (CAN) bus method, and therefore centralized management and stage, lamplight and stage art scene control are achieved, control of appearing on the stage in real time is conducted according to plot requirements, a stage background is created through an integral method of sound, light and electricity, a performing theme is expressed, a performing effect is enhanced, and feeding back a working state in real time and conducting failure warning are achieved by applying a RDM protocol.

The invention discloses a three-dimensional modeling method for achieving building inside and outside integration in a digital map and belongs to the technical field of digital map manufacture. The three-dimensional modeling method comprises the steps of firstly, filing building data; then checking building data; extracting data until all data are right; building a data source; generating a MAXScript script according to the data source and using 3DMAX to convert a MAXScript script file into a three-dimensional model; and finally guiding into a map to finish three-dimensional modeling of the building inside and outside integration in the digital map. The three-dimensional modeling method can economically and quickly achieve a three-dimensional digital map with building information and provides decision basis for urban construction and management.

The invention relates to a system and a method for verifying visual autonomous landing simulation of an unmanned aerial vehicle. Virtual reality technology and visualization technology are utilized, a real unmanned aerial vehicle flying environment is simulated, immersion-type sense of reality is provided, the problem of visual simulation and camera simulation of autonomous landing of the unmanned aerial vehicle is solved, a visual landing algorithm and VegaPrime are combined, and data needed for visual landing navigation are calculated and displayed in real time through multichannel demonstrating of the whole landing period. Simulation results show that by the system, landing landmarks can be effectively detected, estimated values of poses can be visually displayed in real time, a function of simulation verifying is realized, and a good simulation platform is provided for actual engineering application.

The invention provides an augmented reality method and a system for mobile terminals and the mobile terminals. The method includes the flowing steps: a server receives and stores social hot spot information sent by a first mobile terminal; a second mobile terminal obtains reality scene information and sends the reality scene information to the server; the server receives the reality scene information, searches social hot spot information related to the reality scene information according to the reality scene information, and returns the social hot spot information to the second mobile terminal; the second mobile terminal receives the social hot spot information returned by the server and overlays the social hot spot information and the reality scene information through augmented reality to acquire augmented reality information; and the second mobile terminal displays the augmented reality information. According to the method, images and text information are overlaid with reality scenes, content of social hot spot information is displayed from a panorama view, so that the social hot spot information acquired by users is more real, and user experience is good.

The invention discloses a region-segmentation-based portrait illumination transfer method. An illumination effect on a reference portrait is transferred to a target portrait, so that the target portrait has an illumination effect similar to that of the reference portrait. An illumination effect material database is established, and most of illumination effects in the nature can be approximately fitted. An illumination material which is the most similar to the illumination attribute of the reference portrait and the material attribute of the target portrait is searched from the illumination effect material database for illumination transfer. An edge preserving filter-based transfer method is used for hair and face regions, and a quotient image method is used for shoulder regions. The consistency of the illumination effect is ensured by using global illumination constraints. The method can be widely popularized and applied to application scenarios such as portrait art illumination effect synthesis, interactive digital entertainment and image virtual scene synthesis.

The invention provides a preparation method of an emulsified asphalt cold recycling asphalt mixture. The preparation method relates to the field of road engineering and includes the following steps: obtaining milling samples of old asphalt pavement, determining grading of filler, determining weight percentage of rough milling materials, fine milling materials, cement and mineral powder in raw materials, determining optimum moisture content a, determining optimum dosage of emulsified asphalt, determining optimum moisture content b, conducting checking and stirring the emulsified asphalt cold recycling asphalt mixture. The preparation method is rigor. Determination of optimum usage and optimum moisture content of emulsified asphalt gives consideration to the lubrication effect of water and asphalt in the molding process. The optimum moisture content and the optimum dosage of the emulsified asphalt are determined through checking. The preparation method adopts the processes of rotating, compacting, once molding and nourishment, accords with reality, and is reasonable and capable of meeting requirements for actual engineering.

The invention discloses an elliptic fisheye image-based distortion correction method, which is characterized by comprising the following steps: firstly, establishing an imaging model of an elliptic fisheye image under a coordinate system of a camera by using an elliptic paraboloid; performing approximate calibration on the parameters of the model by using a pixel coordinate system; and finally, performing the distortion correction on the obtained fisheye image by using the established model. The invention provides the elliptic fisheye image-based distortion correction method for a 180-degree viewing angle, which can particularly obtain a fluoroscopic image corrected by the elliptic fisheye image quickly and simply in case of unknown camera parameters.

The invention discloses a real-time 3D reconstruction method based on a depth map. The method comprises steps that depth maps and an RGB color map of a shooting scene are obtained through utilizing adepth camera; each frame of the depth maps is processed as follows, the depth information is complemented, pixel points are then converted into a first type of three-dimensional coordinate points, anda normal vector of each pixel point is calculated; the first type of three-dimensional coordinate points corresponding to the depth map are converted into a second type of three-dimensional coordinate points; each of the second type of three-dimensional coordinate points corresponding to the depth map is assigned a voxel block, and a hash table is utilized to index the voxel blocks; an sdf valueof each voxel in the voxel blocks is updated through weighted fusion of the voxel blocks, and the scene surface is extracted; the texture information of the scene surface is obtained, and a surface normal vector of each voxel of the scene surface is calculated. The method is advantaged in that the reconstruction speed and reconstruction quality can be effectively improved, and the method is applicable to large-scale scene reconstruction.

The invention relates to a time-varying rotational inertia considered adaptive fault tolerance control method of spacecraft attitude. The method comprises that a dynamic spacecraft attitude tracking model which does not take faults of a performer into consideration but includes external disturbance and a time-varying rotational inertia is established, and a time-varying rotational inertia model isestablished; and on the basis of the dynamic spacecraft attitude tracking model, a nominal controller and corresponding adaptive laws are designed, and the system stability and tracking error convergence without faults are ensured; and the performance fault is added to the dynamic spacecraft attitude tracking model, an auxiliary controller is designed on the basis of the nominal controller, the problem that a fault occurs in the performer, the time-varying rotational inertia exists and the spacecraft is influenced by an external disturbance moment during on-orbit work of the spacecraft is solved, and the fault tolerant capability and robustness of the system are ensured.

The present invention discloses an image synthesis method and apparatus based on mixed gradient field and mixed boundary condition, the method includes: acquiring a source image and a target image and a position of target image synthesized by object in the source image; acquiring outline of the object to be synthesized in the source image; getting a fusion area by expanding the outline; dividing the fusion area into two kinds according to differences of the source image and the target image in texture and color; choosing different gradient field and different boundary condition for the two kinds of areas, and obtaining a intermediate result by solving the poisson equation of the mixed boundary condition; proceeding transparency fusion to the intermediate result and the target image of one kind area, the other areas using the results solved by the poisson equation to synthetize final image. The invention can use accurate boundary of the synthesized object to reduce synthesis error, and can use gradient field transmission and solving of the poisson equation to keep consistency of the synthesized image in illumination and color, using simple interaction of users to generate synthesized image with third dimension.

A software-based system for generating timing constraints for a proposed IC design has a first input as a synthesizable description of the proposed IC, a second input as a clock specification for the proposed IC, and a processing unit accepting the first and second inputs, and determining therefrom as an output, a set of timing constraints to guide implementation of the proposed IC design.

The invention provides a report generation method and system and a storage medium. The method comprises the steps that multiple report templates are set in advance and displayed for users; according to template selection commands which are input by the users, the report templates which are selected and used by the users are determined; according to parameter selection commands which are selected and input by the users, attribute parameters which are selected by the users are determined; according to the acquired attribute parameters, reports corresponding to the selected attribute parameters are generated. The report generation method and system have the advantages that the report templates are adopted, so that customization is flexible, the report templates are uniformly managed, the reports and analysis reports thereof are complete in function, and the service function accords with data center reality, and convenience is provided for the users to use report files.

The invention discloses a visual positioning method based on vehicle-mounted panorama images and streetscape matching. The visual positioning method comprises the following steps: firstly, acquiring streetscape images, extracting building facades and facade characteristic lines of the streetscape images, and extracting view shading characteristics so as to form view shading characteristic databases; clustering the view shading characteristics so as to obtain clustering result; secondly, acquiring view shading characteristics of the vehicle-mounted panorama images, confirming a vehicle-mounted panorama image taking point range and view shading characteristics within the range, and confirming clustering types corresponding to the view shading characteristics; and finally confirming type affiliation and final matching result of the view shading characteristics of the vehicle-mounted panorama images, and furthermore confirming the position of a vehicle. By adopting the visual positioning method, the difficulties that a GPS is poor in signal stability and applicability in urban areas and a conventional view positioning method is large in calculation amount and is not practical when depending on three-dimensional landform modeling can be avoided, vehicle-mounted panorama cameras which are popularized gradually and conventional streetscape maps with a great amount of data are adopted for positioning, and good landform applicability and positioning precision can be achieved.

The present invention relates to a public traffic system space-time reachability modeling method of considering network connectivity time varying characteristics, and relates to the technology field of modeling the public traffic system space-time reachability. According to the present invention, the influence of the arrival time and the departure time of the beginning and ending buses at the beginning and ending stations and the stations along the way of the bus routes of a public traffic system to the public traffic network connectivity is considered fully, the change of a network arc weight at different time periods during one day is utilized to reflect the change of the connected state between the adjacent stations, and a built time varying weighting directed graphical model of the public traffic network on the basis accords with the reality of the public traffic network better. According to the present invention, a potential path area algorithm designed on the basis of building the time varying weighting directed graphical model of the public traffic network takes the public traffic network connectivity modeling as a part of the public traffic system space-time reachability modeling, so that the potential path calculation of the bus trip individuals by utilizing the public traffic system to participate in the social activities accords with the reality better.

The invention discloses a vision system based on an active panoramic vision sensor for a robot. The vision system comprises an omnibearing vision sensor, a key surface laser light source, and a microprocessor used for carrying out three-dimensional stereoscopic image pick-up measurement, obstacle detection, obstacle avoidance and navigation on an omnibearing image; the omnibearing vision sensor and the key surface laser light source are configured on the same axial lead; the microprocessor internally comprises a video image reading module, an omnibearing video sensor calibrating module, a Bird-View converting module, an omnibearing surface laser information reading module, an obstacle characteristic point calculating module, an obstacle space distribution estimating module between key surfaces, an obstacle contour line generating module and a storing unit; spatial data points of the key surface, scanned by laser and corresponding pixel points in the omnibearing image are subjected to data fusion, so that the spatial point has geometric information and color information at the same time; a quasi-three-dimensional omnibearing map in an unknown environment is finally established; the resource consumption of a computer can be reduced; the measurement is quickly completed; and the obstacle avoidance and the navigation of the robot are convenient.

The manufacturing approaches of a kind of transparent feel resin and clay, its characteristic is: It by partial shipment ethylene-acetic acid ethylene polymer, starch, third 3 alcohol altogether, antiseptic. Spices mix even to add water purification mix into a mud form thing again at first together, then put into the liquid paraffin wax and mix and mix, the vaccum packaging becomes the finished product promptly. The positive result of this invention method is: With the resin that method make being clay safe and nonpoisonous, is it glue hands very to feel, it is with high costs to overcome existing technology, the difference that the products made feel. The hardness is large, shortcoming such as being short in quality guarantee period: With the emulation flowers that its made into, hands go through the rich elasticity of the sculpture handicraft, the transparency is high, not dry to split, but add and match various kinds of colored transparent pigment wantonly, richer sense of reality of production.

The invention relates to a tree modeling method based on skeleton point cloud. In the method, scaffold branches of the tree and outline of the crown which are sketched manually are taken as input automatic constructed tree model, comprising the following steps: extracting two-dimensional skeleton from the sketched strokes through pixel analysis; constructing a three-dimensional skeleton point cloud with two two-dimensional skeletons; expanding the two-dimensional skeleton into a three-dimensional scaffold branches skeleton under the guidance of the three-dimensional point cloud information; and constructing twigs and leaves based on the outline of the crown. The invention has easy application, simple algorithm and high modeling efficiency, and can create tree models with sense of reality. The modeling results of the invention have significant application values in fields of computer games, three-dimensional films, network roaming, urban landscape design and the like.

The invention provides a complex network traffic packet smart analysis system, comprising a network condition real-time monitoring module which is used for monitoring a plurality of dimensions: sessions, applications and IPs, storing corresponding data and drawing a visual ranking graph and tend graph, wherein a network manager can conveniently and clearly understand current network condition; andan alarm module which is used for sending out alarm for data which exceeds baseline thresholds in network indexes and recording the alarm to a database, wherein the system automatically carries out learning and induction according to configured statistics time, carries out comparison with history condition and dynamically updates the baseline thresholds based on a smart network risk monitoring algorithm. According to the system, network data of different types is analyzed uniformly, a one-stop solution in a complex network is supported, and a plurality of sets of different collectors do not need to be deployed when various pieces of different network traffic data are coped.

The invention relates to a method for plasticizing animal and plant specimen, belonging to field of preserving animal and plant body or part of them. The invention is to provide a method for plasticising animal and plant specimen taking carbowax as plasticising agent. The project comprises sterilization, cleaning and plasticising, and during plasticising process, the expected specimen is immersed into carbowax, the concentration of which is increased gradually from 10% to 100%, to make the carbowax replace water in specimen. The invention is applied for preparing animal and plant specimen. The invention is characterized by the nontoxic and non-corrosive specimen and non use of preservative agent.

The invention discloses an object illumination migration method based on edge retaining. The object illumination migration method comprises the steps of: aligning images, layering color, weighting least square filtering, guiding filtering, and combining the images to generate an illumination migration result; modifying a weight least square filter, computing the adaptive weight least square filtering according to the unsmooth degrees of the images so that filtering with higher degree is executed in the unsmooth area, and saving more detail information in a detail layer; and modifying a guiding filter so that parameters of an outline area of a target object is different from the parameters of other areas and the outline structure information of the target object can be kept under the condition of keeping the illumination information of a reference object much better. The object illumination migration method based on edge retaining can be widely applied and popularized to fields, such as interactive digital entertainment, television program production, art design and creation and the like.

The invention discloses a community discovery method of a complex network and an important node discovery method of a community. The community discovery method of the complex network comprises the following steps: firstly, according to a topological structure of the complex network and connection frequencies among nodes, calculating to obtain the edge weight of each edge; taking the edge with the maximum edge weight as a starting edge of a new community to expand a new community; calculating a local communication judgment function of a community neighbouring point when expansion is carried out each time; dividing the neighbouring point and a corresponding edge into the community if the local communication judgment function is greater than 0; and after the community stops growing, selecting the edge with the maximum edge weight from the residual edges as the starting edge of another new community to continue to divide. When the important node discovery of the community is carried out, an influence factor, which is affected by the adjacent point of the same community, of each node is firstly calculated, and then, the importance degree of the node is obtained according to the influence factor, which is affected by the adjacent point, of each node and the influence factor, which is affected by the node, of the adjacent point to finish important node discovery. The community discovery method and the important node discovery method are high in accuracy and low in time complexity and are especially suitable to apply to the large-scale complex network.

Disclosed is a realistic remote-control experience game system which comprises a remote-control experience part and a remotely-controlled part. The remotely-controlled part comprises at least one remotely-controlled unit, each remotely-controlled unit is a remotely-controlled machine or a remotely-controlled model in a scene and comprises a panoramic camera module and a communication module, the remote-control experience part comprises at least one remote-control experience unit, and each remote-control experience unit comprises a panoramic display module, a communication module and an input module; each remote-control experience unit receives an instruction input by a controller through the corresponding input module and sends the instruction to the corresponding remotely-controlled unit through the corresponding communication module to remotely control the corresponding remotely-controlled unit, each remotely-controlled unit receives the instruction through the corresponding communication module for action and sends video information acquired by the corresponding panoramic camera module to the corresponding remote-control experience unit through the corresponding communication module, and each remote-control experience unit receives the video information through the corresponding communication module and displays the same through the corresponding panoramic display module.

The invention discloses a digitalized oral cavity intelligent auxiliary diagnosis and treatment system, which comprises an oral cavity endoscope system connected with an image acquisition card, wherein the image acquisition card is connected with an image processor which comprises an oral cavity image data acquisition system, an image processing system and an oral cavity and tooth three-dimensional reconstruction system; the oral cavity endoscope system comprises a near-distance self-adaptive focus medical camera lens which is connected with an operating handle; a photoelectric converting and data processing system and an image scanning control circuit are arranged in the operating handle; and the near-distance self-adaptive focus medical camera lens is also connected with an illumination light-source system. The system utilizes a three-dimensional reconstruction technology for reconstructing a tooth three-dimensional model and simulates the process of correcting teeth to acquire technical parameters required by various phases for correcting the teeth.

The invention discloses a surgical training and evaluation method on the basis of virtual reality. The surgical training and evaluation method is implemented by a database module and execution modules. The database module is divided into a training and evaluation question bank, a surgical stage scene model library, a medical equipment and medicine model library and a disease and therapeutic schememodel library, the execution modules include a training and evaluation selection module, a surgical stage selection module, a medical equipment and medicine selection module and a disease and therapeutic scheme selection module, and the training and evaluation selection module is sequentially connected with the surgical stage selection module, the medical equipment and medicine selection module and the disease and therapeutic scheme selection module. The surgical training and evaluation method has the advantages that surgical training and evaluation can be accomplished by the aid of virtual reality systems, therapeutic schemes can be verified and simulated by the aid of the virtual reality systems, evolution mechanisms of diseases can be observed by the aid of the virtual reality systems,and environment-friendly and safe modes can be provided to surgical skill training and evaluation and therapeutic scheme design emulation; the technical problems of low efficiency, severe waste and high surgical risks of existing surgical training and evaluation methods can be solved by the aid of the surgical training and evaluation method.

The invention discloses a three-dimensional visualization modeling method for a water bearing / resisting stratum of coal measures, and the method comprises the steps: preparing the base materials of research; building a corresponding fault model according to a digitalized structural map and break point data; carrying out the dividing of the water-bearing stratum and the water-resisting stratum, recognizing a corresponding bearing / resisting stratum interface, building a bearing / resisting stratum stratigraphic framework, and building a corresponding stratum model through the Kriging interpolation method; carrying out the research of deposition geologic features of the stratum of the coal measures, and building a depositional microfacies model through combining sequential indication simulation with the sedimentary microfacies distribution features; taking the phase control technology and theory as the basis, and building a physical model of the water-bearing stratum according to the collected and calculated physical data; and displaying the spatial distribution rule of the bearing / resisting stratum of coal measures according to the finally built related model. According to the invention, the method carries out the objective description of the spatial distribution of the bearing / resisting stratum through modeling, visually reflects the three-dimensional spatial distribution of the bearing / resisting stratum and the water abundance features of the water-bearing stratum, and provides a three-dimensional visualization basis for the research of the bearing / resisting stratum.