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3828results about How to "Increase authenticity" patented technology

Approach for Merging Scaled Input of Movable Objects to Control Presentation of Aspects of a Shared Virtual Environment

InactiveUS20080211771A1Authenticity of be improveAccurately simulateCathode-ray tube indicatorsVideo gamesApplication softwareUser control
A system for controlling operation of a computer. The system includes, a sensing apparatus configured to obtain positional data of a sensed object controllable by a first user, such positional data varying in response to movement of the sensed object, and engine software operatively coupled with the sensing apparatus and configured to produce control commands based on the positional data, the control commands being operable to control, in a multi-user software application executable on the computer, presentation of a virtual representation of the sensed object in a virtual environment shared by the first user and a second user, the virtual representation of the sensed object being perceivable by the second user in a rendered scene of the virtual environment, where the engine software is configured so that the movement of the sensed object produces control commands which cause corresponding scaled movement of the virtual representation of the sensed object in the rendered scene that is perceivable by the second user.
Owner:NATURALPOINT

Three-dimension image processing method, device, storage medium and computer equipment

The invention provides a three-dimension image processing method comprising the following steps: obtaining current image acquisition device position coordinates from a world coordinate system, obtaining a first direction vector and a second direction vector, and using a view transformation algorithm to obtain a transparent matrix; obtaining preset near plane vertex coordinates a near plane distance and a far plane distance from an image acquisition device coordinate system, and using a projection transformation algorithm to obtain a projection matrix; multiplying the transparent matrix with the projection matrix so as to obtain a transformation matrix; multiplying the transformation matrix with texture initial vertex coordinates matched with added augmented reality elements so as to obtaintexture target vertex coordinates matched with the augmented reality elements; using the texture target vertex coordinates to render the augmented reality elements so as to form a three-dimension image. The mobile terminal can rotate to drive the image acquisition device to rotate, so the three-dimension image corresponding to the augmented reality elements can make corresponding rotations, thusincreasing the fusing level between the three-dimension image and a true background image, and improving the image authenticity; the invention also provides a three-dimension image processing device,a storage medium and computer equipment.
Owner:TENCENT TECH (SHENZHEN) CO LTD

System and method for intelligently dispatching and managing urban public transports

The invention relates to a system and a method for intelligently dispatching and managing urban public transports. A GPS subsystem acquires traffic data in real time, and the data is transmitted to a central server through a radio communication subsystem; the central server transmits a dispatching scheme to a control terminal through a computer network subsystem; vehicles execute the dispatching of the control terminal; and the control terminal displays the operation state of the vehicles on electronic maps based on a GIS geographic information subsystem, the automatic acquisition and transportation of operation information, passenger traffic volume and operation and production process information of the vehicles are realized through a computer network central database, the objectivity and the trueness of basic production information records of enterprises are improved, the checking requirements of different levels and different ranges are met, and the operation quality is detected. The system and the method can perform real-time optimum dispatching on operating vehicles and emergency repair vehicles under the assistance of a computer-based intelligent dispatching system, and strengthen the commanding capability and the response capability on the operation state.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Embedded real-time emulation and fault simulation system based on multiple data buses

The invention discloses an embedded real-time emulation and fault simulation system based on multiple data buses, comprising upper computer simulation management software and an embedded real-time emulation and fault simulation device. The upper computer simulation management software guides the user to perform emulation configuration and fault setting aiming at a fault-tolerant control system to be tested through a human-computer interface, and generates fault emulation data of multiple redundancy equipment. The embedded real-time emulation and fault simulation device outputs the fault emulation data in real-time and synchronously through the multiple data buses, simulates the fault of the multiple redundancy equipment and outputs the fault data stream. The upper computer and a lower computer communicate mutually through an Ethernet to achieve the downloading of the information configuration, the fault emulation data and the emulation control command of the upper computer, and the uploading of the working condition of the lower computer. The invention overcomes the defects of poor universality and lower synchronous precision of the traditional multiple equipment fault simulation device based on the emulation, and is suitable for the test and the verification of the different redundancy fault-tolerant designs of the complex spacecraft system with numerous equipment and frequent data exchange.
Owner:BEIHANG UNIV

Distributed three-dimensional simulation training system for regional power system transformer station

ActiveCN101894488AReduce communication data trafficMeet actual training needsCosmonautic condition simulationsTransmissionThree dimensional simulationTransformer
The invention provides a distributed three-dimensional simulation training system for a regional power system transformer station and belongs to the field of data processing. The system comprises an integrated training classroom and a transformer station positioned at another place, wherein the integrated training classroom is provided with a first simulation training local area network; the transformer station is provided with a second simulation training local area network; the first simulation training local area network and the second simulation training local area network are connected with each other through public network resources such as an enterprise network / a wide area network and the like so as to form a network training system capable of performing remote joint simulation training as well as on-the-spot training; distributed simulation communication middleware is taken as the basis of distributed application and each simulation applying host computer is provided with the communication middleware; and the communication middleware provides universal communication and management services so as to realize a data interaction issuing / ordering mechanism and effectively reduce data traffic on the network. Simulation application distributed at different places is combined organically so as to form a distributed remote joint simulation training system. The system can be widely applied in the field of skill training of a power transformation and distribution system.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +2

Fraudulent conduct identification system based on machine learning in classified information website

The invention provides a method used for a fraudulent conduct identification system based on machine learning in a classified information website. The method includes the following steps that (a), sample data are extracted based on existing user behavior data and used for generating a model for the first time; (b), multiple user behavior characteristics are selected to be extracted according to training data of different service types; (c), based on the extracted user behavior characteristics, the sample training data are vectorized; (d), the vectorized sample training data are used for generating a prediction model; (e), on-line data are detected by using the generated model based on classification and cluster rules; (f), detected abnormal user data are processed. User behaviors can be identified in multiple dimensions through the method, and the false amount of trade information can be reduced efficiently. Moreover, the user behaviors of low quality can be identified well even if the training data contain noise data.
Owner:BEIJING 58 INFORMATION TECH

Fine-grained sentiment analysis system and method specific to product comment information

The invention discloses a fine-grained sentiment analysis system and method specific to product comment information. The system comprises a user interface, a product comment information training sample data base, a loading module of relevant dictionaries such as sentiment dictionaries, a text preprocessing module, a characteristic extraction module, a sentiment analysis model training module, a sentiment tendency judging module and a feedback module. A user can store and manage various tagged product comment information training samples and perform processes of sentence segmentation, word segmentation, part-of-speech tagging, syntactic analysis and the like by means of the system. The user can also add user-defined sentiment dictionaries to perform characteristic extraction and vectorization on well processed text information, train sentiment analysis models and use the sentiment analysis models to perform sentiment tendency judgment on vectorized text information. The system feeds sentiment analysis results back to the user to support the user to correct and store the analysis results.
Owner:GUANGDONG UNIV OF TECH

Virtual human face animation generation method and device

The invention is suitable for the technical field of artificial intelligence and provides a virtual human face animation generation method and device. The method comprises the following steps: an input text is converted into a voice signal; based on a position at which a silent frame occurs in the voice signal, the input text is subjected to phrasing operation, and a plurality of short sentences are obtained; for each short sentence, a head swinging movement in a virtual human face animation is generated, each short sentence is mapped to at least one lip shape, head swinging movements corresponding to all short sentences are combined with lip shapes, and therefore virtual human face animations corresponding to all the short sentences can be generated. According to the method and device disclosed in the invention, the virtual human face animations are generated based on combination of the text and voice, the head swinging movements and the lip shapes are generated and combined, visual sense close to reality is provided for users, a phenomenon that the obtained virtual human face animations only comprise lip shape information can be prevented, truthfulness of the virtual human face animations can be improved, dependence on expensive and complex equipment can be prevented, costs can be lowered, and an application scope of the virtual human face animations can be expanded.
Owner:TCL CORPORATION

Image super-resolution method and image super-resolution equipment

The invention discloses a super-resolution image generation method. The super-resolution image generation method includes inputting a real image sample into a generation network so as to output a super-resolution image sample after the generation network and a distinguishing network are preset, acquiring distinguishing probabilities outputted by the distinguishing network after the real image sample and the super-resolution image sample are outputted, determining generation network loss functions and distinguishing network loss functions according to the real image sample, the super-resolution image sample and the distinguishing probabilities, and adjusting configuration parameters of the generation network and the distinguishing network according to the generation network loss functions and the distinguishing network loss functions; receiving a low-resolution image to be processed after adjustment is completed, generating a super-resolution image of the low-resolution image according to the generation network, and subjecting the super-resolution image to visualized processing. By the super-resolution image generation method, image super-resolution effect and realness of the super-resolution image are both improved remarkably.
Owner:XIAN UNIVIEW INFORMATION TECH CO LTD

Weatherproof color shape bars in aluminium alloy, and manufacturing method

The present invention relates to a superweathering color aluminum alloy section material and its production method. The composition of its base material is AlMg Si0.5-F22 alloy, according to Mg / Si=1.73, in which Mg (0.50-0.75%), Si (0.35-0.50%), Fe (less than 0.3%), Cu(less than 0.1%), Mn (less than 0.1%), Cr (less than 0.1%), Zn (less than 0.1%) and Ti (less than 0.1%); said base material is covered with chromized film whose thickness is 300-1000 mg / sq.m, and the chromized film also is covered with polyester powder coating layer which has imitation woodgrain pattern and whose thickness is 40-120 microns. Its production method includes the following steps: preparing aluminum alloy section base material, making pretreatment and chromizing process, spray-coating super weathering antistatic powder and heat transfer printing imitation woodgrain pattern.
Owner:SHANGHAI ZHENXING ALUMINUM IND

Mining operation multi-operation realization method based on virtual reality and augmented reality

The invention discloses a mining operation multi-operation realization method based on virtual reality and augmented reality, and belongs to the technical field of the virtual reality and the augmented reality. The method comprises two patterns including the virtual reality and the augmented reality. Under a virtual reality scene, the selection and the replacement of a material and a material in the virtual reality scene can be realized, scene exploration is realized, the model can be moved and placed at will, a video is embedded, a two-dimensional code is generated, and a trigger realizes natural interaction, voice interaction and the like; under an augmented reality scene, the model can be selected, voice is played, the operation dynamics of the model can be demonstrated, and the rotation stopping, screen capture and function expansion of the model can be controlled; and under two patterns, various interaction ways of voice control, gesture control and keyboard mouse control can be realized. The method is applied to the virtual simulation application scene of the mining operation, can be used for training mine lot mining workers and students of the mining engineering specialty, reducing training capital and improving the skills of workers and provides an advanced and quick meaning for guiding production construction and science and technology studies.
Owner:SHANDONG UNIV OF SCI & TECH

Three-dimensional kidney neoplasm surgery simulation method and platform based on computed tomography (CT) film

The invention discloses a three-dimensional kidney neoplasm surgery simulation method and a platform based on a computed tomography (CT) film. The method includes that firstly, a data base including object resources is built, multiple manners including CT film scanning are inputted into a CT faultage image, a sequence image is registered according to the sequence based on an outline gradient principle, a registered CT image is utilized to reconstruct segmentation tissue of an arterial phase, a venous phase and a lag phase by adopting of a three-dimensional reconstruction technology, and the segmentation tissue of the arterial phase, the venous phase and the lag phase are effectively fused in the same coordinate space. According to an imaging staging criteria and a treatment guideline of kidney neoplasm, and based on modeling results, various peration plan designing, operation stimulation, surgical risk analysis and response, and prognostic analysis are carried out, a personalized and benefit maximization treatment plan can be provided for an object, and skills and degree of proficiency of an operation can be improved, and the three-dimensional kidney neoplasm surgery simulation method can be used in medical teaching.
Owner:江苏瑞影医疗科技有限公司

Sign-in method based on two-dimensional code, mobile terminal and sign-in server

The invention discloses a sign-in method based on a two-dimensional code. The sign-in method based on the two-dimensional code is characterized by comprising the following steps of: displaying the two-dimensional code; scanning the two-dimensional code by a mobile terminal, analysing to obtain the access point information, sign-in server information and user identifier information of the two-dimensional code, connecting to a WIFI (wireless fidelity) network according to the access point information, connecting to a sign-in server according to the sign-in server information, and sending the user identifier information to the sign-in server by the mobile terminal; and confirming the sign-in of a user by the sign-in server according to the received user identifier information, and recording the sign-in time of the user according to a scanning time. With the adoption of the sign-in method based on the two-dimensional code disclosed by the invention, no-queuing sign-in can be realized, and the case of copying the two-dimensional code for allograph can be prevented. Simultaneously, the invention further discloses a mobile terminal and a sign-in server.
Owner:SHANGHAI LIANSHANG NETWORK TECHNOLOGY CO LTD
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