151results about How to "Find quickly and accurately" patented technology

For finding an inclination of an image rapidly and correctly, an image processing device includes a CCD picking up an image, an edge detection unit detecting an edge of an image relating to the picked-up image, a rotation unit rotating the detected edge in an image plane, an operation unit deriving a characteristic amount of rotated edge and an inclination detection unit detecting an inclination of the picked-up image based on the derived characteristic amount.

The invention discloses an intelligent remote monitoring method for protecting a cathode of an underground pipeline. According to the method, test piles and a potentiostat are used, the potentiostat is electrically connected with a steel pipeline to form a transmission channel for inputting electrical performance parameters (protective potential), and the test piles are arranged on the underground pipeline according to an appropriate separation distance on a pipeline required to be monitored according to a selected separation distance; a system for accurately positioning and timing the test piles and potentiostat is built through GPS (global positioning system) modules in the test piles and potentiostat by using a satellite system; an intelligent collection, processing and transmission system of real-time measured data and control data is built through a GPRS (general packet radio service) wireless network, a server and a monitoring host; a GPS is used for performing unified timing to simultaneously cut off the power supply and acquire potential values of all the test piles on the underground pipeline; the potential data of each test pile are acquired when the power supply is cut off for 0.05-0.3 second; and a monitoring center gives an instruction through a monitoring host system according to a display result of an obtained data set image curve to change a set protective potential value of the potentiostat, and transmits the change instruction to the potentiostat through a network to ensure that the underground pipeline achieves the best protected state.

The invention relates to an evaluation object extraction method based on a domain dictionary and semantic roles and belongs to the field of natural language processing application technologies. The evaluation object extraction method based on the domain dictionary and the semantic role comprises the following steps that firstly, according to the information of the part of speech, dependency information and semantic role information, the domain dictionary DL of evaluation objects is established; secondly, the characteristics in the four aspects of words, dependency, relative positions and the semantic roles are fully extracted, model training and prediction are carried out on the DL and the characteristics through conditional random fields (CRFs), and then the extraction of the evaluation objects is completed. Compared with the prior art, according to the characteristics that the structures of Chinese sentences, especially Chinese sentences of microblogs and forum evaluation information are flexible and diverse, the constructive methods are variable, and the number of the characteristics of the sentences is small, the syntax of different levels and the semantic information are fully utilized, the advantages of the evaluation object extraction method based on rules and machine learning are also utilized, the evaluation object with a high confidence coefficient is found from a corpus automatically, rapidly and accurately, and the accuracy of extraction of the evaluation objects of the Chinese sentences is improved.

The invention relates to a Chinese comparative sentence recognizing method and device based on a neural network. The method comprises the following steps that firstly, normalization processing is conducted on linguistic data and word segmentation results of the linguistic data, and then coarse granularity extraction is conducted through a method based on the combination of comparative feature word dictionaries, syntactic structure templates and dependence relationships; finally, a class sequential rule (CSR) extraction algorithm is designed, CRF is used for mining entity object information, namely, semantic role information, comparative feature word features and statistical word features are used for assistance, the BP neural network is constructed by using the four features, and a feature type with the optimal performance is found out for completing fine granularity extraction. Compared with the prior art, the Chinese comparative sentence recognizing method and device based on the neural network have the advantages that different levels of semantic information can be effectively used for conducting recognizing, therefore, a user can find out Chinese comparative sentences with high confidence coefficients from the linguistic data quickly and accurately and the recognizing rate of the Chinese comparative sentences can be increased.

An intelligent remote monitoring and regulating system for cathode protection of underground pipelines comprises an intelligent test pole (1) equipped with a polarized probe, a constant potential rectifier (3) equipped with a constant potential rectifier intelligent measurement and control device, a transmission channel formed by electrically connecting the constant potential rectifier (3) and an underground steel pipeline (2) and used for inputting electrical parameters, as well as a monitoring host system comprising a server (7) of a remote monitoring and management system and intelligent terminals such as a computer, a tablet personal computer, a mobile phone and the like which are arranged in a monitoring center, an intelligent collecting processing and transmission system for measured data and control data is formed by a GPRS (general packet radio service) wireless network (5), the server (7) and the monitoring host system (8), and meanwhile, the remote real-time monitoring and detection system with functions of accurate positioning and time service is formed by an intelligent measurement and control device arranged in the intelligent test pole (1) and the constant potential rectifier intelligent measurement and control device matched with the constant potential rectifier (3) through a satellite positioning system (6).

An iris external boundary positioning method based on shades of gray and a classifier belongs to the technical field of image processing and relates to iris-identification technology. The method includes the following steps of: firstly determining an approximate region of the iris external boundary by pupil boundary information; secondly conducting histogram extension on the region and calculating lash gray threshold; subsequently using the shape and distribution characteristics of the iris external boundary to design two boundary point classifiers and obtain a point set of the iris external boundary; then according to the obtained point set of the iris external boundary, adopting a least square method to fit iris external boundaries ready to be selected; and finally utilizing pupil position information to compare the iris external boundaries ready to be selected and obtain the proximate iris external boundary curve. Compared with the existing iris external boundary positioning method, the iris external boundary positioning method has not only fast speed and accurate positioning, but also high robustness and the capability of still properly positioning an iris image with poor image quality, thus being conducive to improving the identification efficiency and accuracy of iris.

The invention discloses a method for gaining the service life of a helicopter drive system component. Strain test points are determined on the helicopter drive system component to be tested, and estimation data of the service life of the helicopter drive system component to be tested are given; in the process of a ground combined test and a flight test, strain data are obtained from the strain test points; according to the ground combined test and the flight test of a helicopter to be tested under multiple states and multiple load conditions, a criterion for overhaul of the helicopter drive system component to be tested is determined; obtained actual measurement data of the helicopter drive system component are analyzed, and the condition that the strain values of all strain test points of the helicopter to be tested exceed a monitor limit value and a component accumulated fatigue damage value is monitored and analyzed in time; comparison and correction are carried out by combining the estimation data and the actual measurement data, and the service life value of the helicopter drive system component to be tested of the same type is obtained.

The invention discloses a cabinet cell opening prompting method and device of an intelligent cabinet and electronic equipment, and relates to the technical field of information. The method comprises the steps that cabinet cell information of distribution cabinet cells in the intelligent cabinet is acquired; according to the cabinet cell information, cabinet cell orientation information of the distribution cabinet cell in the intelligent cabinet is generated; and opening prompt information of the distribution cabinet cells is outputted according to the cabinet cell orientation information. According to the invention, the mode that only the cabinet door numbers of the distribution cabinet cells are displayed in the prior art is replaced, and the orientation positions of the distribution cabinet cells corresponding to parcel storage or pickup in the intelligent cabinet are visually displayed to a user in a graphical representation mode. Therefore, the user can find the corresponding cabinet cell more quickly and accurately, and the efficiency of smoothly storing and taking the express items by the user is greatly improved.

The present invention relates to a train GPS mileage automatic amendment system and an amendment method. The system consists of a processing computer, the processing computer uses a serial port to connect with a GPS receiver, and the processing computer is connected with a rail detecting car through a network by the serial port. The present invention has the amendment method that information gotten by the GPS receiver is combined with the mileage of the manual amendment mileage, to establish a mileage data base, information continually gotten by the GPS receiver in the moving process of the rail detecting car is continuously matched with the mileage of the established mileage data base and calculated lingeringly, the mileage is amended for the detection system in real time according to a calculating result; the signal direction judgment and treatment is operated through the obtained information by GPS. The present invention resolves the retardancy of the GPS receiver when the GPS receiver outputs signals, thus the accuracy of the dynamic measurement of the GPS receiver is improved, the speed-up requirement is met, the mileage adjustment is not greatly influenced by the speed when the speed of the train is high, the precision is high, and the operation is simple.

The invention relates to a parking space management system and a method thereof. The parking space management system includes a total server, a video monitoring device, a user terminal, a sensing module, a blacklist management unit and a parking lock. The total server is used for managing and storing online parking space information and user information, and sending operation instructions; the user terminal is used for a user to access the total server; the sensing module is used to sense vehicle information when the user parks, and send an unlock command to the parking lock, to facilitate theparking by the user; the sensing module is also used to send a locking instruction to the parking lock after the user drives away from the parking space, to prevent the parking space from being illegally occupied; and the video monitoring device is used to monitor the parking space information in real time. For the monitored fee evasion users, the total server enters license plate information thereof into the blacklist management unit. The parking space management system has the advantages that a large number of idle parking spaces are fully utilized, resource waste is reduced, the problem ofshortage of the parking spaces is alleviated, and real-time sharing and reservation of limited parking space resources are achieved.

The invention discloses a method for generating and playing a video file, a server and a terminal. The method comprises the steps of dividing a video stream into a plurality of TS files; obtaining all key frames in each TS file and recording a display time stamp of each key frame in each TS file and file offset; and generating n m3u8 files for describing a fragment sequence according to the fragment sequence of the plurality of TS files and adding the display time stamp of each key frame in each TS file and a label corresponding to the file offset to the n m3u8 files. According to the method for generating and playing the video file, the server and the terminal provided by the invention, on the basis of ensuring the playing jumping speed, the accuracy of jumping to a target position is also improved.

A method and apparatus for use with a navigation system allows a user to easily and quickly input an address of a destination with use of a specially made database even when spelling of the address is not certain to the user. The navigation system is designed to help the user in entering a desired street name accurately and efficiently by checking candidate cities when a first character of street name is specified. Since the user accurately knows at least the first character of the intended street name, the candidate street names will be narrowed down by selecting the city. The user may further input second character and further characters upon which the navigation system incrementally retrieves candidate street names with use of the comprehensive alphabetical usage file.

The invention discloses an adhesive control program's automatic and rapid online testing method and testing module wherein the testing method comprises 1) setting a testing module to control a testing process for a to-be-tested adhesion control program; 2) in a testing mode, allowing the tested adhesion control program to execute testing procedures according to designated testing tasks by using the testing module and during the testing, simulating the running environment for the tested adhesive control program through the testing module; transferring the output signal of the tested adhesion control program to a pre-established adhesion control object model in order to simulate the running states of a vehicle and wheels thereof; and generating required information to the tested adhesion control program. The testing module includes a testing control logic unit and the following two elements in connection with the testing control logic unit: an adhesion control object model unit and a testing environment simulating unit. The testing method and testing module of the invention can be conveniently operated to achieve higher testing efficiency and precision at a lower testing cost. The method and module are also capable of conveniently repeating fault conditions. The testing process is also a safe and reliable one.

An ultrasonic puncture guide device is used for assisting in guiding a puncture needle to acquire the position of a blood vessel of a living body and conducting puncture.The ultrasonic puncture guide device comprises an ultrasonic detector, a display element rotationally connected to the ultrasonic detector and a needle positioning assisting element fixed to the ultrasonic detector.The display element is used for displaying the position of the blood vessel of the living body in the form of an image after acquiring an ultrasonic signal of the ultrasonic detector.The ultrasonic puncture guide device makes direct contact with the position to be subjected to ultrasonic detection, and a user can intuitively and directly observe the position of the blood vessel through the display element, can also rotate the display element according to the operation position to control adjustment of the display angle, and then uses the needle positioning assisting element to conduct blood vessel puncture.The ultrasonic puncture guide device meets the requirement of use.

A method and apparatus for use with a navigation system allows a user to easily and quickly input an address of a destination with use of a specially made database even when spelling of the address is not certain to the user. The navigation system is designed to help the user in entering a desired street name accurately and efficiently by checking candidate cities when a first character of street name is specified. Since the user accurately knows at least the first character of the intended street name, the candidate street names will be narrowed down by selecting the city. The user may further input second character and further characters upon which the navigation system incrementally retrieves candidate street names with use of the comprehensive alphabetical usage file.

The invention discloses a commodity recommending system and method based on video contents. The system comprises multiple function modules. Commodity advertising information association tables corresponding to video contents can be built by applying the function modules; the association tables are stored in a storage device; after a request for playing a video is received, the video is played through a video player; the request is proposed by a user; after video play pausing information proposed by the user is received, the video is paused; the played duration of the video is calculated; the commodity advertising information in the association tables corresponding to the paused time point of the video is queried according to the played duration of the video; the commodity advertising information is sent to a client; the commodity advertising information is displayed in a display screen; when a request for clicking the commodity advertising information is received, the websites associated with the commodity advertising information are linked so as to enter related web pages; and the request for clicking the commodity advertising information is proposed by the user. Through the system and the method provided by the invention, the user can conveniently, rapidly and accurately find own favorite commodities.

The invention provides a client skin template changing method and device, a client and an electronic device. The method includes: acquiring current model information of terminals and currently used terminal themes thereof, with each model message corresponds to multiple terminal themes; matching new skin templates fitting the current used terminal themes according to the model information, with the new skin templates being not original skin templates of the terminals; when the matching new skin templates are determined, applying the new skin templates to the terminals to replace the original skin templates. By the use of the client skin template changing method, operability of the client can be greatly improved, waste on time and resource is avoided for users, and user experience is improved.

The invention provides a position monitoring method and system. When an accident occurs, a movable device stops at a certain floor and controls a light emitter located on the bottom of the movable device to emit a visible light signal, and a single-photon detector located on the bottom of a preset rail of the movable device detects the visible light signal to obtain the current number of photons; due to the fact that the movable device stops at different heights, the single-photon detector obtains different numbers of photons, the current number of photons is converted into an electric signal with a corresponding amplitude value, the electrical signal is processed according to a preset rule, so that the current position information of the movable device is obtained and output to enable working staff to learn the current position of the movable device quickly and accurately, and then working efficiency is improved greatly; furthermore, information transmission is achieved by means of the visible light signal, power is supplied without traditional power lines, and the influence of accidents on the work of a traditional monitoring system is avoided.

The invention relates to the field of mobile devices, and discloses a client offline method and a system thereof. In the invention, the client offline method comprises the steps that: a client initiates an API network request to a network side; after receiving the data returned by the network side, the client generates identification information used for identifying the data according to the information of the API network request; and the data and the identification information of the data are stored in the client as buffer data. In the invention, since the identification information of the buffer data is generated according to the information of the API network request, the client can quickly and accurately find the buffer data corresponding to a certain API network request, and thus the client offline is realized conveniently.

The embodiment of the invention provides a method and a device for inputting polyphonic Chinese characters, relating to the field of information processing and convenient for users to find Chinese characters. In the solution disclosed in the invention, a polyphonic Chinese character input processing device receives Chinese character input units which are input by a user; and if the polyphonic Chinese character input processing device confirms that the Chinese character input units comprise polyphonic characters, all the pinyin combinations of the Chinese character input units are listed, and the index of the Chinese character input units is established according to the pinyin combinations. The embodiment of the invention is used for finding Chinese characters.

The invention provides a surgery navigation platform based on intelligent glasses. The surgery navigation platform comprises the intelligent glasses, a data collecting module, a projection module and a display module. The intelligent glasses are worn by a surgeon, and comprise a CPU, an internal memory, a SLAM chip, a camera and an optical module. The data collecting module collects sign data of a human body and is in data transmission with the projection module and the display module. The projection module generates a projection image of body signs according to the received sign data and projects and overlaps the projection image on the human body. The projection image is represented to the surgeon through the intelligent glasses. The display module comprises a displayer. The display module generates a human internal image according to the received sign data and displays the human internal image through the displayer. Navigation can be provided for the surgery of the doctor, the doctor can rapidly and accurately find the surgery position in the human body and accurately perform the surgery in real time, the surgery time can be easily shortened, and the effect of the surgery is guaranteed.

The invention relates to a field of view test bench for a head-up display. The field of view test bench is composed of a parallel light pipe, a platform, a head-up display bracket and an eye positionframe. The bottom of the parallel light pipe may be fixedly connected with the platform. An adjustable mechanism is designed between the head-up display bracket and the platform. After a head-up display is mounted on the bracket, the adjustable mechanism can be adopted to make the light axis of the head-up display to be parallel to the light axis of the parallel light pipe. The flip eye position frame can assist a tester in accurately positioning eye positions. The beneficial effects are that the head-up display and the parallel light pipe are integrated on the field of view test bench for thehead-up display so as to be able to move as a whole, the head-up display and the parallel light pipe are adjusted horizontally, the head-up display bracket is fixed on the platform and through the adjustment of four ball screws, the positions of the head-up display in the vertical direction as well as in azimuth and pitch are ensured, so that the head-up display is aligned with the light axis ofthe parallel light pipe, the operation is convenient, and the test preparation time is saved.

The application provides a status polling method and system for network devices in a broadcast television network, wherein the method includes: calculating poll weights of network devices in the broadcast television network according to the stability and notability of the network devices, wherein the notability of the network devices in an anomalous network zone in the broadcast television network is higher than that of those in a normal network zone; determining the type of a network manager where each network device locates according to the poll weights of the network devices, wherein the different network manager types correspond to the different poll weight ranges; adding the network devices of the same network manager type to a corresponding poll queue; parallelly starting a poll thread corresponding to each poll queue, and subjecting the network devices included in each poll queue to status polling according to different polling frequencies so as to detect faulted network devices, wherein the wider the poll weight ranges corresponding to the poll queues, the higher the polling frequency for the poll queues. The status polling method and system according to the technical scheme can provide improved polling efficiency and allow the faulted network devices to be discovered quickly in focused manner.

The method is suitable for the technical field of data processing. The invention provides a method and device for pushing recruitment recommendation service and a terminal. The method and device are characterized by constructing a knowledge graph according to enterprise information and applicant information; calculating the similarity between enterprises and the similarity between applicants according to the attribute information of the enterprise entities and the applicant entities contained in the knowledge graph so as to classify the enterprises and the applicants; scoring the same kind ofenterprises or the same kind of applicants; after the scoring results are weighted and sorted, generating and pushing corresponding recruitment recommendation services to the same kind of enterprisesor the same kind of applicants; and by recommending the same type of applicants to the same type of enterprises and pushing the same type of enterprises to the same applicant, achieving two-way recommendation, improving recommendation accuracy, enabling the enterprises or the applicants to quickly and accurately find the applicants or the enterprises meeting the requirements of the enterprises orthe applicants, and improving recruitment efficiency.

The invention relates to a comprehensive querying device. The device comprises a storage unit arranged for storing words, an input unit arranged for receiving a querying word, a setting unit arranged for providing a querying mode and setting a preset mode by a user, a querying unit arranged for acquiring a querying result by querying the word which is required in a database according to the preset mode, wherein the querying result contains a candidate word or no word available, and a display unit arranged for displaying the querying result. The input unit is connected with the setting unit; the setting unit is connected with the querying unit; the querying unit is connected with the display unit; and the storage unit is respectively connected with the querying unit and the display unit. The device of the invention can help the user to rapidly and accurately find the required data in various querying modes and the querying mode can be changed according to different use requirements.

The invention discloses a poster picture matching method and system. The poster picture matching method comprises steps as follows: a client sends a request message for acquiring a poster picture to a server when detecting that a user triggers preset operation of acquiring the poster picture, wherein the request message comprises a query condition corresponding to the poster picture; the server acquires a target picture matched with the query condition corresponding to the poster picture in the request message when receiving the request message; the server sends the target picture to the client sending the request message; the client receives and displays the target picture. According to the scheme, the matched poster picture is rapidly and accurately searched, so that the search time of the poster picture can be saved, the search efficiency of the poster picture is improved, and the resource editing efficiency is improved.

The invention discloses a router upgrading method based on a server upgrading strategy. The method comprises the following steps: a server queries all matched routers from a database according to a server self-control part configured in a selected upgrading strategy; the server sends a upgrading command to the matched routers, wherein the upgrading command at least comprises the router self-control part configured in the upgrading strategy; the router performs the upgrading according to the received upgrading command. The invention further discloses a router upgrading system based on the server upgrading strategy; the system comprises a server and a router, wherein the server is in communication connection with the router, the server comprises a storage module, a search module and a first information transmitting-receiving module; the search module is respectively connected with the storage module and the first information transmitting-receiving module, and the upgrading strategy of the configured router is stored in the storage module. The upgrading strategy is detailed by use of the method disclosed by the invention, and different strategy upgrading pushes are performed on the routers with different characteristics.

The invention relates to a non-uniform fingerprint extraction and comparison method for camera light response based on combined feature representation. Firstly, the input image is preprocessed such asnormalization, color space conversion and the like. Secondly, saturation, chrominance, brightness, edge region, texture region and flat region of the input image are detected as candidate regions ofinterest. Then, the image is cut into color blocks of specified size according to the above information, and these color blocks are divided into six subsets; Finally, the color blocks in six subsets are sent to the residual network respectively, and the non-uniform fingerprint of camera light response in each color block is extracted by depth learning method, and a fingerprint extraction system isformed by pre-training, which is used for source camera identification. The method has the advantages of uniqueness and good robustness, and can detect the non-uniformity fingerprint of camera lightresponse quickly and accurately, and is suitable for forensic identification, check anti-counterfeiting, image matching, information security and other fields.

The invention provides an exercise demonstration animation generation method, an exercise demonstration animation generation device, electronic equipment and a storage medium. The method comprises thesteps of obtaining an image of an exercise to be animated and demonstrated; obtaining a feature vector of the to-be-animated demonstration exercise; searching in a database, searching for a feature vector matched with the feature vector of the to-be-animated demonstration exercise, and determining a standard exercise corresponding to the matched feature vector in the database as a standard exercise corresponding to the to-be-animated demonstration exercise; obtaining an animation template corresponding to the standard exercises; and generating a demonstration animation corresponding to the to-be-animated demonstration exercise by utilizing the animation template. According to the method, the demonstration animation can be generated by utilizing the animation template of the standard exercise corresponding to the to-be-animated demonstration exercise. The demonstration animation can be simply and quickly generated only by extracting the corresponding animation template for different exercises.