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74results about How to "Efficient perception" patented technology

Service flow aware system and method combining flow detection and package detection in SDN

The invention discloses a service flow aware system and method combining flow detection and package detection in the SDN, and relates to the field of the SDN. The service flow aware method includes the steps that when an initial novel service flow enters the SDN, table items not matched with the novel service flow in an equipment flow table are forwarded, the novel service flow is forwarded to a controller, a flow detection module carries out flow detection, a package detection module carries out package detection to recognize the service type and the service characteristics of the novel service flow, the controller triggers the awareness of a specific service according to the characteristics of the service flow, flow signs, flow statistics and package statistics, for current continuous service flow, the controller samples a real-time service flow, the dynamic variation of the real-time service is discovered through service awareness, and network strategies are adjusted correspondingly. The service flow aware system and method combining flow detection and package detection in the SDN combines the flow detection technology and the package detection technology, expands the southing port of the controller in the SDN, and can completely obtain the states of network flows of different industries and different applications in the current network.
Owner:FENGHUO COMM SCI & TECH CO LTD

Embedded browser and implement method thereof

The invention discloses an embedded browser and an implement method of the embedded browser. The embedded browser comprises a main program module, a communication interface module, a browser plug-in module, a browser application module and a browser kernel module. The main program module is composed of browser initialization, socket event cycling and a program quit submodule. The communication interface module carries out data interaction through a communication server process and other processes. The browser plug-in module is composed of a java script object (JS-Object) plug-in and a Flash plug-in submodule. The browser application module comprises kernel parameter configuration, browser key value configuration, virtual event management and a window and page control management submodule. The browser kernel module is composed of cookie management and a kernel key value submodule. The embedded browser achieves that a browser socket event process function monitors information periodically, has the functions of requesting information reports, displaying a progress window and cookie management according to a page loading progress, supports java script (JS) object extension and a soft keyboard, and is convenient to use, low in development cost, convenient to upgrade and maintain and good in user perception.
Owner:CHENGDU SANLING KAITIAN COMM IND

License plate positioning identification method based on support vector machine and convolutional neural network

The invention discloses a license plate positioning identification method based on a support vector machine and a convolutional neural network. The method comprises the following steps of using the weighted grayscale algorithm to carry out graying processing and histogram equalization on an original color license plate image so as to acquire an equalized grayscale image; carrying out edge detection on the equalized grayscale image and acquiring an edge image; carrying out binarization on the edge image; using a morphology to operate the license plate image so as to process and acquiring a license plate candidate area image; using a SVM discrimination model to classify and acquiring a license-plate accurate positioning image; using a vertical and horizontal projection combination method tocarry out image segmentation and acquiring a single character image; using a normalized function to carry out normalization processing on each license plate character; and using a convolutional neuralnetwork model license plate character identification model to identify and outputting and displaying an identification result. In the invention, the robustness of a license plate character identification algorithm is effectively increased, and the method has a high identification rate and is suitable for the license plate positioning and identification under a complex background.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Active semiotic system for image and video understanding by robots and unmanned vehicles, methods and apparatus

An active semiotic system that is able to create implicit symbols and their alphabets from features, structural combination of features, objects and, in general sense, patterns; create models with explicit structures that are labeled with said implicit symbols, and derive other models in the same format by means of diagrammatic- and graph transformations. The invention treats vision as a part of larger system that converts visual information into special knowledge structures that drive vision process, resolve ambiguity and uncertainty via feedback projections, and provide image understanding that is an interpretation of visual information in terms of such knowledge models. Mechanisms of image understanding, including mid- and high- level vision are presented as methods and algorithms of said active semiotic system, where they are special kinds of diagrammatic and graph transformations. In the invention, the derived structure and not the primary view is a subject for recognition. Such recognition is not affected by local changes and appearances of the object from a set of similar views, and a robot or unmanned vehicle can interpret images and video similar to human beings for better situation awareness and intelligent tactical behavior.
Owner:KUVICH GARY

An embedded browser and its implementation method

The invention discloses an embedded browser and an implement method of the embedded browser. The embedded browser comprises a main program module, a communication interface module, a browser plug-in module, a browser application module and a browser kernel module. The main program module is composed of browser initialization, socket event cycling and a program quit submodule. The communication interface module carries out data interaction through a communication server process and other processes. The browser plug-in module is composed of a java script object (JS-Object) plug-in and a Flash plug-in submodule. The browser application module comprises kernel parameter configuration, browser key value configuration, virtual event management and a window and page control management submodule. The browser kernel module is composed of cookie management and a kernel key value submodule. The embedded browser achieves that a browser socket event process function monitors information periodically, has the functions of requesting information reports, displaying a progress window and cookie management according to a page loading progress, supports java script (JS) object extension and a soft keyboard, and is convenient to use, low in development cost, convenient to upgrade and maintain and good in user perception.
Owner:CHENGDU SANLING KAITIAN COMM IND

Method for simultaneous performing visual servo and adaptive depth identification through robot

InactiveCN106774309ASolve the problem of identifying depth informationSolve the global stability problemPosition/course control in two dimensionsStabilization controlSimulation
A method for simultaneous performing visual servo and adaptive depth identification through a robot belongs to the computer vision and mobile robot technology field. The method comprises: obtaining an open loop kinematical equation with stable error according to a robot pose position polar coordinate representation method; and designing an adaptive updating rule capable of identifying depth information according to a concurrence learning strategy, and constructing a vision stabilization control rule of a mobile robot. The parameter adaptive updating rule designed by the invention can perform learning at the initial stage of the robot performing stabilization motion and perform online identification of the depth information in the robot motion process. The method for simultaneous performing visual servo and adaptive depth identification through the robot can prove the simultaneous convergence of the pose posture errors and the depth identification errors according to a Lyapunov method and a LaSalle invariance principle. The method for simultaneous performing visual servo and adaptive depth identification through the robot can accurately and reliability identify the depth information while the mobile robot completes the vision stabilization control so as to prove the simultaneous convergence of the controller and the identification module.
Owner:TIANJIN POLYTECHNIC UNIV

Visual servo trajectory tracking and concurrent depth identification on the wheeled mobile robot

The invention discloses a visual servo trajectory tracking concurrent depth identification method for a wheeled mobile robot. The visual tracking control method is designed for the wheeled mobile robot under incomplete motion constraints, and depth information of a scene can be identified while servo trajectory tracking is performed. First, an image video is recorded for coplanar feature points torepresent a desired trajectory to be tracked. Secondly, establishing a homography matrix under an Euclidean coordinate system by comparing the feature points in the static reference image, the feature points in the real-time image and a pre-recorded image video in combination with a projection geometrical relationship; Then, through a homography matrix obtained through decomposition, a motion control law and an adaptive updating law about unknown depth parameters are designed; A concurrent learning algorithm is added into an adaptive updating rate, and unknown depth information is recovered by utilizing historical and current system data. Finally, simultaneous convergence of a trajectory tracking error and a depth identification error is proved through a Lyapunov method and an extended Barra theorem, so that the method can effectively identify scene depth information.
Owner:TIANJIN POLYTECHNIC UNIV

Method and device for controlling mobile terminal to preferentially reside in anchor point cell in NSA network

The embodiment of the invention provides a method and device for controlling a mobile terminal to preferentially reside in an anchor point cell in an NSA network, and belongs to the technical field ofmobile terminals. According to the method and the device for controlling the mobile terminal to preferentially reside in the anchor point cell in the NSA network, whether the cell is the NSA anchor point cell or not is determined after the mobile terminal decodes the system message of the cell, the anchor point cell is compared with information in a historical NSA anchor point cell list, and if the anchor point cell does not exist in the historical NSA anchor point cell list, the anchor point cell is added into the historical NSA anchor point cell list, so that the 5G mobile terminal residesin the NSA anchor point cell as much as possible and uses the 5G network service, a 5G user is ensured to obtain the network service with excellent perception and good experience, and the problem thatthe existing 5G mobile terminal can only reside in a non-anchor point cell after the behaviors of startup, cell reselection, cell switching and the like, thus, the user cannot obtain the 5G network service is solved.
Owner:高新兴物联科技股份有限公司

Face state recognition method and device based on deep learning

The invention discloses a face state recognition method and a face state recognition device based on deep learning. The method comprises the steps: collecting a face image of a recognized person, recording the collection time, carrying out the processing of the image of the recognized person through a face recognition algorithm, and outputting a face recognition result. Inputting the face recognition result into a pre-trained deep neural network and a face feature point model for processing to obtain an expression recognition result and a fatigue recognition result; wherein the expression recognition result comprises an expression type and a predicted value thereof; taking the expression recognition result and the corresponding acquisition time as expression data, and sequentially recording the expression data into an expression database; and recording the fatigue data into the fatigue database according to time; acquiring a plurality of data from the expression and fatigue database and analyzing the data to obtain a state recognition result of the recognized person. The emotion and fatigue degree of the recognized person can be efficiently sensed and analyzed. The method and the device can be widely applied to the automation fields of fatigue driving detection, robots and the like.
Owner:HOHAI UNIV

Intelligent fire-fighting management system and method based on building end

The invention discloses an intelligent fire-fighting management system and method based on a building end, and the system comprises a floor building management unit which is used for obtaining the configuration information of a corresponding building for storage according to a first user instruction, wherein configuration information comprises a floor building plane graph; an equipment management unit used for acquiring and storing fire-fighting equipment information in the corresponding mansion according to the second user instruction, wherein the fire-fighting equipment information comprises an equipment code and equipment position information; and an alarm processing unit used for responding to the monitored alarm information, judging the current alarm type, determining the position of an alarm point according to the alarm information according to the judgment result of the current alarm type when the alarm type is a fire alarm, and obtaining a corresponding floor building plane graph and fire-fighting equipment information; and marking and outputting the alarm point position and the fire-fighting equipment on the floor building plane graph. According to the invention, real-time alarm of a networking unit can be sensed and monitored in time, related alarm information can be pushed in time, and the fire-fighting management level is improved.
Owner:广东粤安科技股份有限公司

Zinc oxide arrester insulation degradation trend analysis method

The invention relates to a zinc oxide arrester insulation degradation trend analysis method. The zinc oxide arrester insulation degradation trend analysis method comprises the steps of: acquiring lightning arrester online monitoring data, basic standing book data and temperature and humidity data; performing data cleaning on the acquired data; then, subjecting the cleaned data to denoising processing by means of mathematical morphology, so as to effectively eliminate signal noise while reserving global and local characteristics of an original signal, and improve the online monitoring data reliability; performing EMD analysis to extract each modal component in the data signal and representing a central trend component of the data original signal, acquiring each inflection point of a curve from the central trend component, further determining a data variation trend between the adjacent inflection points according to data variation rate warning upper and lower limits and the data variation rate between the adjacent inflection points, and combining the variation trend of the adjacent inflection points to obtain a lightning arrester monitoring data variation trend, and sending out insulation degradation trend warning according to a lighting arrester insulation degradation warning factor. The zinc oxide arrester insulation degradation trend analysis method realizes the efficient perception of an insulation fault of the lightning arrester and guarantees the safe and reliable operation of a power grid.
Owner:福建和盛高科技产业有限公司

Safety production index abnormity rapid sensing method based on Internet of Things and artificial intelligence

The invention provides a safety production index abnormity rapid sensing method based on Internet of Things and artificial intelligence, and the method comprises the steps: carrying out the hierarchical division of production processes based on a production process, and each layer comprises a plurality of production processes; calculating a domino index corresponding to each production process based on the accumulated deviation of the production processes and the level, and calculating the influence degree of each production process on the production result based on the domino index and the number of the production processes directly connected with the production processes; and selecting an effective production process from all the production processes based on the influence degree, performing production process abnormality sensing based on the actual deviation at the effective production process, and obtaining the position and the abnormality type of the abnormal production process. According to the method, the abnormity in the production process can be quickly and efficiently sensed only by monitoring related data of individual production processes, and the abnormity types and the abnormity positions of the production processes are judged.
Owner:联洋国融(北京)科技有限公司
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