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System for implementing remote control interaction in virtual three-dimensional scene

InactiveCN101465957ATo achieve the effect of random selectionImprove the problem that the interaction cannot be realizedTelevision system detailsColor television detailsTelevision stationHuman–computer interaction
The invention relates to a system and a controlling method for realizing remote control interaction in a virtual three-dimensional scene. An interactive control system solves how to carry out the interaction and control on a virtual studio scene, animation and an object in the scene by an operator. The system mainly comprises three modules: first, a three-dimensional producing and real-time rendering module; second, a playing and controlling module; third, an interactive module. The interactive module includes subsystems such as a wireless remote control subsystem, a voice recognizing subsystem, an image recognizing subsystem, a position tracking subsystem (an action recognizing subsystem), a touch screen subsystem (a visual multimedia playing and controlling interface and a multi-point touch controlling method are provided), and the like. A three-dimensional real-time rendering engine can be driven by the playing and controlling module by the operator through various interactive methods, thus realizing the selectively instant playing of the virtual scene and the controlling of the virtual object. The system can be applied to virtual studios of television stations and other virtual interactive demonstrating occasions.
Owner:应旭峰 +1

Fast rendering method for virtual scene and model

ActiveCN107103638AMaterial parameters can be modifiedImprove efficiencyImage rendering3D-image renderingUV mapping3D modeling
The invention discloses a fast rendering method and device for a virtual scene and a model. The method comprises steps of firstly obtaining the rendering request of the virtual scene and the model to be rendered and the standard material library; creating a read and write file including the corresponding relation among the scene parameter, the model and the material according to the rendering request, and selecting a material corresponding to the model to be rendered from the pre-established standard material library after loading; setting and adjusting the scene parameter according to the rendering request, rendering the model according to the selected material and adjusting the material parameter to complete the rendering satisfying the specified rendering request; when a single model corresponds to a plurality of materials, directly subjecting the plurality of materials to a three-dimensional presence UV mapping on the surface of the three-dimensional model; and generating a high light effect and its corresponding material by the hand-drawn trajectory according to the rendering request, and rendering the model's high light effect. The method has the advantages of high efficiency, openness, automation, integration of tools, light weight, sustainability, and the like on the basis of greatly improving the efficiency of virtual scene and model rendering.
Owner:HANGZHOU VERYENGINE TECH CO LTD

Interactive searching and recommending method and device

The invention provides an interactive searching and recommending method and device. The interactive searching and recommending method includes receiving search words; acquiring a plurality of search results related to the search words; analyzing the search results to acquire at least one recommending item, and respectively acquiring recommending content corresponding to each recommending item; providing a search page and displaying the several search results and the recommending items on the search page; receiving trigger operations on the recommending items and displaying the recommending contents corresponding to the triggered recommending items on the search page according to the trigger operations. By the interactive searching and recommending method and device, extension information related to the search results can be recommended for users in real time, relevancy of the search results and accuracy and abundance of the recommending information are improved, search operations of the users are reduced, and time cost of the users for acquiring information is reduced. Meanwhile, space of the display page can be sufficiently utilized, intelligent interactive search is realized to some extent, and interestingness is increased.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Systems and methods for boost control

Methods and systems are provided for reducing turbo lag in an engine system configured with a cylinder dedicated for exhaust gas recirculation and distinct turbines coupled to the dedicated EGR cylinder and remaining engine cylinders. An air-fuel ratio of combustion in the dedicated cylinder is adjusted responsive to a tip-in event by providing blow-through air and additional fuel based on the amount of heat required to spin up a turbine coupled to the dedicated cylinder and provide the requested boost pressure. The approach enables turbo lag to be reduced while providing high EGR at high boost conditions.
Owner:FORD GLOBAL TECH LLC

Eutectic extraction solvents, extraction methods by eutectigenesis using said solvents, and extracts derived from said extraction methods

A eutectic extraction solvent for extracting plant (e.g. vegetable) and / or animal and / or prokaryotic biological material, wherein the solvent is a clear, stable and fluid mixture comprising: (a) betaine or a hydrated form of betaine; (b) at least one hydrogen bond donor compound selected from the group consisting of polyols and organic acids; and (c) water with the proviso that the eutectic extraction solvent does not contain any exogenous sugar and / or amine salt and / or anion.
Owner:AVIGNON UNIV +1

Multi-mode intelligent question answering system and method

The invention discloses a multi-mode intelligent question answering system and method. In the method, a user can input a multi-mode information question, the multi-mode information question input by the user is processed to be a unified vector space through mapping, and finally an accurate answer corresponding to the multi-mode information question is obtained after transition analysis is carried out according to the unified vector space. For multi-mode information, no matter texts, pictures, videos or any combination of the above information types can be processed in a unified manner, and the system has the outstanding features such as parallel distributed processing, high robustness and fault-tolerant capability, distributed memory and learning capacity and sufficient approximation of complicated nonlinear relationship, so that the intelligent question answering system has unified calculation and processing capacity for the multi-mode information, the richness of user information search can be improved, the experience of user question answering is improved, and the question answering system is more intelligent.
Owner:SUZHOU BD ENVIRONMENTAL PROTECTION

Encrypted traffic analysis feature extraction method and system, storage medium and safety equipment

The invention belongs to the technical field of network security and communication, and discloses an encrypted traffic analysis feature extraction method and system, a storage medium and security equipment. The method comprises the steps: collecting original traffic data ; preprocessing the collected original data packet, and filtering traffic data of SSL / TLS encryption communication; performing deep packet analysis on the streaming data to generate a traffic analysis log; performing log aggregation according to the connection quadruple information and the index information in each log to forma flow feature call chain, and performing feature extraction according to the call chain to obtain an initial data set; and determining an optimal supervised learning classification algorithm in thecurrent environment, determining an optimal parameter by using a grid parameter optimization method, and evaluating the feature extraction accuracy by using a ten-fold cross validation method. According to the method, the classification effect is optimal by adopting the random forest algorithm, the obtained accuracy is as high as 99.96%, the result shows that SSL / TLS encryption features used by all malicious families are different, and the classification effect is remarkable.
Owner:XIDIAN UNIV

Traffic flow statistical method facing to urban traffic signal timing plan

The invention belongs to the intelligent transportation field, and specifically relates to the traffic flow statistical method facing to an urban traffic signal timing plan. The method comprises the steps of detecting and tracking a traffic object in a video by using an image processing technology, acquiring the track information of the traffic object, extracting a start-destination coordinate ofeach track to cluster by analyzing and processing the track information and the video scene information, acquiring the subarea information of the scene, and at last, acquiring the detailed traffic flow information. The statistical method provided by the invention has better precision and data richness, provides richer traffic parameter information, can be used for the early warning of the accident, the jam prevention and the automatic route planning, and still has better effect specifically aiming at the complex situation of the heavy traffic flow scene. At the same time, the signal timing plan is performed by acquiring the traffic flow information of the cross road during different time periods, so as to bring obvious economic benefic and improve the traffic passing efficiency.
Owner:CHANGAN UNIV

Data processing method in Internet of Things, and Internet of Things access system

The embodiment of the invention provides an Internet of Things system and terminals of IOT management method in the Internet of Things, and is used for reducing the workload of erection of the Internet of Things, and increasing the richness of terminals of IOT on an Internet of Things platform. A data processing method in the Internet of Things provided by the embodiment of the invention is applied to the Internet of Things system, and the Internet of Things system comprises a transmission gateway, an application layer protocol conversion module and a management platform, and the data processing method specifically comprises the following steps: receiving service data sent by first terminal equipment by the transmission gateway, and transmitting the service data to the application layer protocol conversion module by adopting a TCP / IP transmission protocol; converting the format of the service data by the application layer protocol conversion module according to a general interaction protocol to generate target service data, wherein the management platform and the application layer protocol conversion module uniformly adopt the general interaction protocol for application layer datainteraction; and transmitting the target service data to the management platform by the application layer protocol conversion module by adopting the TCP / IP transmission protocol.
Owner:SHENZHEN SUNDRAY NETWORK SCI TECH

Knowledge database based question and answer generating method and apparatus

The invention provides a knowledge database based question and answer generating method and apparatus. The method comprises: obtaining triple data set from the knowledge database, wherein the triple data set comprises such three elements as an entity, an attribute and attribute values; a relationship between the elements is: an attribute value element is a corresponding value of an attribute element of an entity element; and using any one of the elements in the triple data set as a correct answer, and generating a corresponding question of the correct answer according to a template of language idomatic expression. The above method and apparatus of the invention can use one element of the triple data set as the correct answer, and the other two elements are transformed into the trunk of the corresponding question; data conversion efficiency from mass structured knowledge data to question and answer is significantly improved according to language idiomatic expression.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Tobacco fiber paper filter stick and preparation method thereof

The invention relates to the field of tobacco filter sticks, and discloses a tobacco fiber paper filter stick and a preparation method of the tobacco fiber paper filter stick. The paper filter stick is composed of a filter element and forming paper, wherein the filter element is obtained by coiling paper fiber, the paper fiber is tobacco fiber pulp and long fiber pulp which are obtained by grinding tobacco raw materials and long fiber raw materials into liquid, then the tobacco fiber pulp and the long fiber pulp are subjected to pulp matching, sheet making, squeezing and drying to be manufactured into a fiber paper base, and the tobacco fiber paper filter stick can be obtained through smearing, drying and rolling. On the basis of wet process papermaking, tobacco fiber and long fiber are mixed according to a proper proportion in the pulp matching stage of papermaking, and the obtained paper filter stick not only has higher tar and nicotine removing capacity than a cellulose acetate filter stick, but also can successfully eliminate wooden offensive odor of the long fiber. Raw materials of the filter stick come from natural plants, and therefore the filter stick only has the scent of tobacco and does not have the scent of paper or chemical fiber, the color of the filter stick is consistent to that of cut tobacco of cigarettes, and the filter stick has the texture of natural material of tobacco and guides a new direction for the technical field of cigarettes.
Owner:CHINA TOBACCO GUANGDONG IND +1
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