1599results about How to "Achieve accuracy" patented technology

A spectator sport system and method that displays different views of a sporting event and, in particular, uses the spectator's GPS position to assist in displaying a view from the spectator's position. The spectator, using a personal device, can zoom, pan, tilt and change the view, as well as change the view to another position, such as a finish line, goal, or a participant position. Vital information on the sporting event or a participant can be appended to the view. In some forms, augmented reality can be used, such as a finish line or goal, to enhance the experience. Additional service requests can be made from the personal device.

The invention discloses a GPS (Global Position System) spatio-temporal data increment road network real-time updating and trace matching system, which comprises a data acquisition module, a GPS spatio-temporal data module, a data pre-processing module, a map trace matching module, a road network generating module and an increment road network updating module. According to the system, the acquired data recorded by a GPS positioner and provided with time and space attributes is pre-processed, a map is matched, a road is generated, a newly formed road section is compared with road network data recorded in a database, road network information is updated, and thus road network data is updated. According to the GPS spatio-temporal data increment road network real-time updating and trace matching system provided by the invention, the road network information is compared continuously with incremental data information, so that a real-time capability is realized, road position information is more accurate along with the increment of data, and roads which are not contained in the road network information are updated.

The invention relates to one wireless sensor network mixture intruding test method, which comprises the following steps: integrating multiple test method based on host machine, network, integration and abnormal mode, wherein, according to wireless sensor network property and outer and inner attack and distributing the test task onto sensor points, cluster point and base station point combined with host machine and network.

A magnetic field sensor and a method associated with the magnetic field sensor provide gain correction coefficients and / or offset correction coefficients stored in the magnetic field sensor in digital form. The gain correction coefficients and / or offset correction coefficients can be used to generate analog control signals to control a sensitivity and / or an offset of an analog signal path through the magnetic field sensor.

The invention mainly discloses a river way multipoint water quality monitoring apparatus and a monitoring method therefor. The monitoring apparatus includes a monitoring body, a power apparatus and water collectors. A solar cell panel, a storage battery and a protective cover are disposed on the top surface of the monitoring body. At least three water collectors are disposed under the monitoring body through telescopic rods. A water storage chamber is arranged in each water collector. A water collection port is arranged on the bottom of each water collector and is provided with a sealed cover. A sampling tube is disposed in each telescopic rod. A detection chamber provided with a detection head and a wireless communication module are arranged in the monitoring body. One end of the sampling tube is connected to the water storage chamber. The other end of the sampling tube is connected to a splitting pipe through an electromagnetic valve. The splitting pipes are connected to the detection chamber. The monitoring apparatus is used for performing multipoint auto-monitoring to a to-be-detected water area for a long time instead of manual work. The monitoring apparatus is environment-friendly and economical, has sufficient energy and has wide detection range, can detect multiple water points at the same time and can get many detection data. Water collection and detection are separated into two independent parts, so that damage on the detection head due to aquatic animals is avoided, quality and service life of the monitoring apparatus are improved, and detection accuracy is increased.

The invention discloses a touch screen and a display device. A plurality of self-capacitance electrodes are arranged on the same layer and independent to each other by means of the self-capacitance principle. Two or more self-capacitance electrodes arranged alternatively are connected with a frame of the touch screen through a lead and then connected with a touch detection chip through a corresponding periphery wire to perform touch position detection. When the human body touches the screen, the touch detection chip determines the touch position by judging changes of capacitance of the adjacent self-capacitance electrodes connected with different leads, and accuracy of touch sensing is achieved. By means of the mode that a plurality of self-capacitance electrodes which are not adjacent to each other are connected with one lead correspondingly, total quantity of the leads in the touch screen can be reduced effectively, the area of the touch blind region is decreased, and touch performance is ensured. In addition, due to decrease of the quantity of the leads, the quantity of the periphery wires corresponding to the leads is decreased, and design of the narrow frame of the touch screen is facilitated.

The invention provides a positioning method and a positioning device for the weak coverage area and belongs to a wireless communication system. The positioning method for the weak coverage area comprises an acquiring step for acquiring a measurement report for a plurality of user equipment within a preset period of time, wherein the measurement report is a report for measuring the user equipment in a 4G and / or 2G and / or 3G system; a positioning step for determining the coordinates of the plurality of user equipment according to the acquired measurement report; a judging step for dividing the coverage area into a plurality of grids of a preset size, respectively judging whether each of the plurality of grids is a weak coverage grid or not according to a preset weak coverage grid judgment condition, and determining the weak coverage area according to judgment results. According to the weak coverage grid judgment condition, for all user equipment within a grid, the ratio of the user equipment with the RSRP thereof smaller than a preset threshold to all the user equipment in the grid is greater than or equal to a preset proportion. According to the technical scheme of the invention, the weak coverage area in the 4G system can be found out.

The invention discloses a sleep period separating method and system. The method is applied to a sleep period separating system. The system comprises a first measuring electrode, a second measuring electrode, a first reference electrode, a second reference electrode, an amplification collector and a period separating device. The first measuring electrode is used for being placed on the left side of the forehead or the temporal hair-free region on the left side of a testee, the second measuring electrode is used for being placed on the right side of the forehead or the temporal hair-free region on the right side of the testee, the first reference electrode is used for being placed on the periphery of the left ear of the testee, and the second reference electrode is used for being placed on the periphery of the right ear of the testee. The method comprises the steps that the first measuring electrode and the second measuring electrode are utilized for collecting electroencephalogram signals and electro-oculogram signals of the testee, the signal amplification collector is used for amplifying the electroencephalogram signals and the electro-oculogram signals and carrying out analog-digital conversion on the amplified signals. The period separating device determines the separated sleep periods according to the analog-digital converted electroencephalogram signals and electro-oculogram signals.

The invention relates to the technical field of touching, in particular to a capacitive touching structure, an embedded touch screen, a display device and a scanning method of the display device. The number of wires in the self-capacitance touching structure is decreased, and the probability of occurrence of the problems that the narrow frame design is not facilitated and a touch blind area is large is decreased to a certain degree. The capacitive touching structure comprises a plurality of self-capacitance electrodes which are arranged on the same layer, area electrodes, first wires, second wires and touch detection chips, wherein the self-capacitance electrodes are located in at least two areas contained by the surface of a film where the self-capacitance electrodes are located respectively; the area electrodes are located in the areas respectively, and the area electrodes and the self-capacitance electrodes are located on the same layer; the first wires are connected with the self-capacitance electrodes, and each first wire is connected with at least two self-capacitance electrodes which are located in different areas respectively; the second wires are connected with the area electrodes, and the area electrodes located in the areas are electrically connected with the different second wires; the touch detection chips are connected with the first wires and the second wires.

The invention provides a remote data completeness verification method facing cloud storage. According to the method, the aggregate signature and specified certifier signature technology is utilized, the verification function on the user data completeness by users and the third party auditors is realized, and meanwhile, the information of users for data completeness is enabled not to be leaked; the verification information transparency control is realized through the zero knowledge proving technology, and when the dispute exists between the users and a server, the third party auditors can generate the undeniable high-confidence-degree proving through the non-interactive zero knowledge proving technology. According to the method, under the condition that a cloud storage service provider is incredible, the accuracy of the cloud data completeness verification can also be ensured, and the method provided by the invention has the advantages that the realization is easy, the cost is low, the data protection performance is high, the third party audit is supported, the privacy protection mechanism is flexible, and the like.

The invention provides a method for cycle-by-cycle control of a LED current (ILED) flowing through a LED circuit arrangement (LEDCIRC) at a mean LED current level. The method comprises a) establishing a converter current (IL), b) establishing an oscillation of the converter current (IL) between substantially a valley current level and substantially a peak current level, c) feeding the LED circuit arrangement (LEDCIRC) with the converter current (IL) as the LED current during a part of an oscillation cycle of the oscillation of the converter current, d) determining a current level correction for compensating a current level error between an integral over an oscillation cycle of the LED current and a reference, the reference being representative of the mean LED current level, and e) adjusting at least one of the valley current level and the peak current level with the current level correction for use in a successive cycle of the oscillation of the converter current. The invention also provides a circuit arrangement operable for using the method, a LED driver IC using the circuit arrangement, a circuit composition with at least one LED and the circuit arrangement, and a lighting system with the circuit composition.

Systems and methods are described for detecting the presence and / or absence of a solid, liquid or gas which utilize an RF energy emitter and RF energy detector for determining whether a solid, liquid or gas is present within a defined physical space. More specifically, an RF energy emitter is provided at a first side of a solid, liquid or gas transmission channel and an RF energy receiver / detector is provided at an opposite side of the solid liquid or gas fluid channel. The RF energy emitter either continuously or periodically emits RF energy which in the preferred exemplary embodiment is in the high-frequency or more preferably ultrahigh frequency signal range. The amount of detected RF energy transferred across the channel is used in determining the presence and / or absence of a solid, liquid or gas.

A magnetic field sensor and a method associated with the magnetic field sensor provide gain correction coefficients and / or offset correction coefficients stored in the magnetic field sensor in digital form. The gain correction coefficients and / or offset correction coefficients can be used to generate analog control signals to control a sensitivity and / or an offset of an analog signal path through the magnetic field sensor.

The invention relates to the field of medical image processing and mode recognition, in particular to a tubercle bacillus target recognizing and counting algorithm based on diverse characteristics. The algorithm comprises the following steps of: image preprocessing: carrying out image reinforcement and constructing median filter and Gaussian filter on a tubercle bacillus microimage; color image partition: carrying out fixed threshold partition based on HSV (Hue-Saturation-Value) color space on a preprocessed image and then carrying out adaptive threshold partition which is based on CIE L*a*b* color space and keeps a geometric shape of a target; communication block morphological analysis and target recognition: carrying out communication block analysis on the partitioned image; and tubercle bacillus target counting: estimating the quantity of tubercle bacillus targets in the image by utilizing a histogram statistics and multistrategy calculation method. The invention can effectively extract the bacillus targets in the tubercle bacillus microimage subjected to acid-fast stain from background and impurities and carry out accurate counting, thereby realizing the automation and the intellectualization of the detection of tubercle bacilli.

The invention relates to a system and method for achieving face recognition based on a wide-angle gun camera and multiple dome cameras. The system comprises the wide-angle gun camera, the multiple dome cameras and a server. The wide-angle gun camera is used for conducting pedestrian detection and calculation of pedestrian spatial positions in images of the wide-angle gun camera. The dome camera corresponding to the position of a target pedestrian is utilized to conduct real-time tracking and face image extraction on the target pedestrian. The server is used for distributing tracking tasks to the dome camera corresponding to the position in real time according to the position, determined by the wide-angle gun camera, of the target pedestrian and utilizing a face image extracted by the dome camera for face recognition. By the adoption of the system and method for achieving face recognition based on the wide-angle gun camera and the multiple dome cameras, the problem of face recognition under the real-time video monitoring environment of important places is solved, by the cooperation of the wide-angle gun camera and the multiple dome cameras, accuracy and usability of face recognition under the real-time monitoring environment are achieved, practicability of the system used for monitoring, security and protection and other fields is improved, and the wider application range is possessed.

The invention discloses a metadata management system with bidirectional interactive characteristics and an implementation method thereof. A metadata data extraction device extracts the metadata of all subsystems of an EDW to a metadata runtime library device, and a universal relational metadata model stores the metadata; a conventional bridge extracts the metadata of the relational metadata model to a metadata knowledge base device of an object metadata model to form analysis results for inquiry by a user; a database view supplies the needed metadata information to other subsystems. The invention uses a bidirectional metadata management system framework, can support the metadata extracted from other subsystems of the EDW to be stored into the metadata management system, and meanwhile, supports providing the needed metadata information to other subsystems of the EDW, solves the running management problem of the metadata and the EDW, reduces the management difficulty of the EDW, guarantees the accuracy of the metadata and causes the subsystems to efficiently communicate and stably run.

The invention relates to a mechanical recovery horizontal well preset produced fluid profile testing method and a special wellhead testing device thereof, mainly aiming at solving the problem of the downhole testing of a mechanical recovery horizontal well. The invention is characterized in that: the special wellhead testing device comprises an eccentric type tubing hanger body connected with a tubing string, wherein, the side wall of the tubing hanger body is divided into a body and splits which are completely matched with each other, and the splits are fixed on a locking arm which is fixed on the body though bolts; and a corresponding matched cable penetrating a channel is arranged at the splitting seam of the body and the splits, the channel is internally provided with a cable gasket, a spacer and a pressing cap. By being matched with a special wellhead support, under the condition that a testing cable and a tester are pre-arranged in the horizontal well to test a target layer, an oil pipe does not touch the cable during the up and down process of the oil pipe. The method and the special wellhead testing device can realize the produced fluid profile testing of the mechanical recovery horizontal well, and ensure the accuracy of normal testing and data of the mechanical recovery horizontal well with simple and reliable operation method.

The invention provides a method for segmenting a white blood cell image, which is characterized by comprising the following steps: firstly carrying out binaryzation on the green component picture of a color white blood cell image to obtain an initial interested region based on a significance attention mechanism of human vision; carrying out cancellation and mergence on a region by labeling the initial interested region to obtain an adaptive significance window of each cell; and finally realizing segmentation of nucleuses and cytoplasm in each adaptive significance window by a boundary-extending method. The segmentation method is used to realize the fast segmentation of the white blood cells, particularly the accurate segmentation for high-capacity pictures which are the non-standard dyed and contain overlapped cells.

The invention discloses a system for real-time language translation service. The system is used for serving supply and requisitioning parties needing language translation and comprises a service module, a communication module and client modules, wherein the service module is used for crowdsourcing human translation and performing user management; the communication module is used for instantly transmitting information among the client modules in an instant messaging and / or P2P (Peer-to-Peer) mode; the client modules are used for accessing a crowdsourcing management module; the client modules are used for inputting and outputting translation requests and translation results and providing user interaction and self services; the communication module is respectively connected with the service module and the client module. The invention also discloses a method for the real-time service of the language translation. On the one hand, the invention provides a language translation tool with the advantages of good accuracy, real time, good convenience and flexibility as well as low price for the public; on the other hand, the invention provides a platform by which personal translation competence for language is fully exerted to help others and corresponding rewards or remuneration is got for the public. According to the system and the method disclosed by the invention, professional needs and daily needs of the public can be met.

The invention discloses a Bluetooth based indoor positioning service system and a Bluetooth based indoor positioning service method, and belongs to the technical field of indoor position positioning. The method comprises the steps as follows: step I, connecting a mobile phone with indoor Bluetooth nodes and an AP node through a client side, and uploading ID information of the Bluetooth nodes which can be connected with the mobile phone to a server through the AP node; step II, converting the received ID information of the Bluetooth nodes into corresponding position information by the server; step III, marking the position information in the corresponding position of an indoor map, and displaying the position information on the mobile phone client-side software. Compared with the conventional indoor positioning system, the system and the method change nothing on a mobile phone with a built-in Bluetooth chip, greatly reduce the requirements on the Bluetooth nodes, and give full play to the capabilities of a mobile terminal and a server, so as to enable the positioning system to be more stable, and enable upgrade and extension of applications to be performed conveniently.

The invention discloses a method and system for switching charging control policies at real time. The method comprises the following steps: sending a notification message to a policy and charging executive function (PCEF) when the condition that a user satisfies charging policy switching conditions is judged by a policy and charging rule function (PCRF), wherein the notification message carries corresponding switched charging policies and charging addresses; selecting the corresponding charging addresses according to the switched charge policies after the notification message is received by the PCEF, so as to charge the user. The system comprises the PCRF and the PCEF, wherein the PCRF is used for sending the notification message to the PCEF when the condition that the user satisfies the charging policy switching conditions is judged by the PCRE, wherein the notification message carries the corresponding switched charging policies and charging addresses; and the PCEF is used for selecting the corresponding charging addresses according to the switched charging policies after the notification message is received by the PCEF, so as to charge the user. The method and system provided by the invention can be used for more flexibly controlling the charging policy of the user, so as to achieve reasonability, timeliness and accuracy of charging.

The invention discloses a device and a method for comprehensively detecting the friction between steel wire ropes and friction liners of a hoist. The device comprises a base frame, a system for continuous sliding friction continuous high-speed sliding friction between the steel wire ropes by virtue of cross contact, a system for continuous creeping friction and wear between the steel wire ropes by virtue of cross contact and a system for continuous high-speed sliding friction between the steel wire ropes and the friction liners, wherein the three systems are arranged on the base frame. By adopting the device and the method, the characteristic of friction between the steel wire ropes of the winding hoist and the characteristic of high-speed sliding friction between the steel wire ropes and the friction liners can be detected, and the high-speed sliding friction between the steel wire ropes by virtue of cross contact, the creeping friction and wear between the steel wire ropes by virtue of cross contact and the high-speed sliding friction between the steel wire ropes and the friction liners can be simulated.

The invention relates to a testing method and a testing device of a train pneumatic performance simulation moving module. The testing method comprises the following steps: a train model on rails is used, one end of the trail model is provided with an elastic traction mechanism which passes through a travelling block speed increasing mechanism and a traction train module; the train model is pulled to the other direction of the other rail to enable the elastic traction mechanism to tension to generate contraction elasticity; and the pulled train model is released and is speeded up to the testing speed under the drive of the contraction elasticity of the elastic traction mechanism. The invention has simple implementation method and easy control, can realize the operation that the trail can quickly accelerate to 400 km / h from still and from high-speed brake to still, has higher testing accuracy, can relatively truly reflect ground effect and train crossing condition and reflect various actual running states of trains on rails.

The invention discloses a short message platform optimization system and method of a distribution network first-aid repair command platform. The short message platform optimization system comprises a distribution network first-aid repair command platform. The distribution network first-aid repair command platform obtains user information from an electric power marketing service application system, obtains data from a power utilization information collection system, obtains distribution network fault information from a distribution automation system, collects user repair reporting information from a 95598 system, and obtains geographical coordinate information from a power grid GIS system. All the obtained information is stored in a fault information list. Fields are extracted from the fault information list to generate a short message template database. When a real fault work sheet is received, an address fuzzy query means is adopted in the short message template database to extract corresponding contents, and a first-aid repair work sheet short message is generated. The distribution network first-aid repair command platform sends the first-aid repair work sheet short message to a mobile terminal of a first-aid repair team, and provides a first-aid repair result of the first-aid repair team to a mobile terminal of a user as feedback in real time.

The invention discloses a name card recognition method based on a cloud technology, and belongs to the technical field of information. The name card recognition method comprises the steps as follows: 1) collecting a picture of a name card and uploading to a cloud terminal data server by a name card recognition terminal; 2) transferring the picture of the name card to an OCR (Optical Character Recognition) server by a data server, and recreating a digital name card; 3) sending the recognized data to the data server by the recognition server, looking up the matched name card in the passed digital name cards by the data server, and marking the properties different from those of the matched name card in the digital name cards; 4) auditing the digital name card by an audit terminal, and judging if the content of the digital name card is the same as that of the picture of the corresponding name card; if so, marking that the digital name card is passed; if not, sending success information to an input terminal; and if the digital name card cannot be recognized, sending failure information to the recognition terminal; and 5) modifying the recognition information of the digital name card and sending to the data server by the input terminal. According to the name card recognition method, the name card recognition accuracy and efficiency are greatly improved.

The invention relates to a method for predicting structure evolution of austenite dynamic recrystallization in thermal deformation of plate-strip steel, which belongs to the technical field of steel rolling. The method achieves the predictions of the transformed fraction, the grain size, the grain morphology and the flow stress of dynamic recrystallization by establishing a dynamic recrystallization physical metallurgical model and a dynamic recrystallization cellular automation model. The method achieves the reproduction of the structure evolution of a metal forming process by a computer, not only can save the experimental cost, but also can accelerate the development cycle of a new type of steel. The developed method for predicting the structure evolution of the austenite dynamic recrystallization in the thermal deformation of the plate-strip steel achieves the quantitative, precise and visual descriptions of the grain morphology, the volume fraction and the grain size of the recrystallization process, and can obtain important parameters of the flow stress and the like, thus the method is significant in further analyzing the evolution law of microstructures.

An inertia / GNSS / satellite beacon based integrated antenna stabilization tracking system utilizes a low-cost MEMS (Micro Electro Mechanical System) inertia / GNSS integrated navigation system as a motion sensor, the system is installed on a base of the antenna stabilization tracking control system, the control system solves the angular rate output by the integrated navigation system through coordinate transformation to obtain the motion angular velocity of the antenna surface, and an antenna is subjected to first-stage inertia stabilization tracking control; in addition, the inertia / GNSS integrated navigation system can calculate to obtain the high-precision angle of pitch, roll angle and azimuth of the base through a Kalman filtering integrated navigation algorithm to perform second-stage stabilization tracking control on the antenna surface; besides, a satellite signal receiver can calculate to obtain the azimuth and angle of pitch of the current antenna surface deviating from a satellite through the antenna surface active scanning motion and the signal peak recognition technology for completing third-stage stabilization tracking control so as to control the antenna to obtain good tracking effects and to further form closed-loop stabilization control.

The invention relates to a method for monitoring power grid equipment on line. The method comprises the following steps of: monitoring real-time monitoring data of the power grid equipment; generating a corresponding intelligent electronic device (IED) configuration description (ICD) model file according to the real-time monitoring data and a set ICD modeling mode; transmitting the model file to an on-line monitoring server; generating a substation configuration description (SCD) model file from the ICD model file according to a set SCD file definition mode and a corresponding SCD version description mode; and then transmitting the SCD model file to a remote center. The ICD modeling mode comprises the following steps of: classifying the real-time monitoring data according to a set monitoring data type in a mode of one logic device (LD) corresponding to multiple LDs; and generating the ICD model file from the real-time monitoring data according to the corresponding data definition mode, a corresponding data quality setting mode and a coding mode and the corresponding file definition mode. By the method, the state of the power grid can be evaluated accurately, so that operating stability and reliability of the power grid are improved.

A spectator sport system and method that displays different views of a sporting event and, in particular, uses a position selected by the spectator to assist in displaying a view from the selected position. The spectator, using an internet device, can zoom, pan, tilt and change the view, as well as change the view to another position, such as a finish line, goal, or a participant position (e.g. Driver of car #3 or Tiger Wood's position). The starting position can be specified, as well as the target position or orientation from the starting position. Vital information on the sporting event or a participant can be appended to the view. In some forms, augmented reality or any geographic referenced datasets can be used and combined, such as 3D imagery or 3D renderings, to enhance the experience.