1415results about How to "Large amount of information" patented technology

The present invention is directed to a method and apparatus for sending and retrieving location relevant information to a user by selecting and designating a point of interest that is displayed on a graphical user interface and sending the location information associated with that point of interest to a receiver that is also selected using the graphical user interface. The location relevant information may also include mapped routes, waypoints, geo-fenced areas, moving vehicles etc. Updated location relevant information may also be continuously sent to the user while generating updated mapping information on the graphical user interface. The present invention may be practiced by using communication devices such as a personal computer, a personal digital assistance, in-vehicle navigation systems, or a mobile telephone.

A method of supporting mass human-interaction events, including: providing a mass interaction event by a computer network (100) in which a plurality of participants (102) interact with each other by generating information comprising of questions, responses to questions and fact information for presentation to other participants and assimilating information: and controlling, automatically by a computer (104) the rate of information presentation to each participant, to be below a maximum information assimilation rate of each participant.

The invention provides a method and a system for measuring speed of moving targets, which aims to solve slow response and other problems of the prior speed measurement method. The method comprises the steps of utilizing the basic principles of projective geometry, determining pixel coordinates in images and the coordinate mapping relation of pixels in real space through a camera calibration technique, utilizing the mapping relation to detect sequence frame images acquired by cameras, calculating the coordinates of the moving targets in the images in the real space, obtaining the motion curves of the moving targets in the real space through target tracking and then estimating the speed of the moving targets. The speed measurement method based on camera calibration has the advantages of fast response, large amount of detected information and capability of estimating the speed of all vehicles within a monitoring range in real time. Moreover, as the speed measurement of vehicles can be realized by utilizing the cameras, the method is easy to implement, lower in cost and easy to popularize and apply.

A system and method of triggering data capture in a high-speed communications network is disclosed. The triggering system enables the capture of desired data from the network according to triggers related to high-level statistical and transactional elements of the data. The triggering system includes a statistics engine that analyzes network data at the line speed of the high-speed network, thereby enabling the present system to trigger on data transmitted via networks with line speeds exceeding 1 Gbit per second. The present system preferably comprises a portion of a protocol analyzer or similar device in order to detect and diagnose problem conditions existing in or relating to the network data.

The invention provides a vehicle safety driving pre-warning method and system and a vehicle terminal device. By means of a vehicular network, driving information sent by an adjacent vehicle is received; when speed of a current vehicle and/or the adjacent vehicle is larger than a preset first threshold, the position and the driving direction of the adjacent vehicle relative to the current vehicle are determined; the probability of collision at a crossroad can be judged, and pre-warning is carried out when it is judged that the probability of the collision of the current vehicle and the adjacent vehicle at the crossroad exists. According to the vehicle safety driving pre-warning scheme, the information can be collected without the dependence on traditional active safety devices such as radar and sensors, the driving information of the adjacent vehicle is obtained through the vehicular network, and accordingly the information amount is large. Accordingly, the driving safety pre-warning range is larger, predictability is stronger, and driving safety of the vehicles is improved.

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

The invention discloses a fingerprint image matching method based on fingerprint structural features and texture analysis. The method comprises the following steps: (1) processing the feature minutiae and the adjacent minutiae of a fingerprint image to generate structural feature vectors; (2) matching the structural feature vectors, considering the minutiae matching is successful if the vectors fall in a bounding box, representing and the fingerprint matching degree with the number of the successfully matched minutiae; (3) performing Gabor filtering on the incomplete fingerprint containing proper amount of information or the fingerprint image without central part, and dividing the fingerprint into several regions by circular grids to extract the texture features respectively; (4) representing the matching degree with the feature difference among the fingerprint images by taking the gray-scale standard deviation of each region as a feature code, and ; and (5) finding out the most matched fingerprint image by the structural features and the texture features of a BP neural network. The method is independent of translation and rotation of the fingerprint, has strong anti-noise performance, and can solve the problem of non-linear deformation in a certain range.

The invention discloses a cow fine breeding method based on the RFID technology. The method includes the following steps that 1, the milk production of cows is recorded through an automatic milk production recording subsystem where the RFID technology and milking are combined; 2, automatic clustering management is performed on the cows through an automatic cow isolation door based on the RFID technology; 3, appropriate nutritious daily ration is prepared for cow groups through a TMR monitoring subsystem based on the RFID technology; 4, cow movement and oestrus sensors are installed on cow neckbands so as to monitor movement conditions of the cows in real time. In the cow fine breeding method, the cow breeding management business relates to various fields of milking management and fodder management, and the cow fine breeding method is applied and deployed from the aspects of automatic milk production counting, clustering management, fodder management and oestrus hybridization management according to different business functions of cow farms.

The invention discloses a pseudorandom bar code applied to a digital level bar code ruler, belonging to the technical field of manufacture of instruments of surveying and mapping. The pseudorandom bar code is formed by alternatively arranging a plurality of light and shade stripes with different widths, wherein the widths and light and shade changes of the strips are modulated by a plurality of pseudorandom sequences. The strips in the bar code comprise coarse code strips for remote measurement and thin code strips for close measurement. The thin code strips are formed by alternatively arranging light and shade strips with smaller widths, and the width changes of the light strips and shade strips are respectively modulated by a pseudorandom sequence. The coarse code strips are formed by arranging light and shade strips with bigger widths, and the widths and light and shade changes of the strips are modulated by a pseudorandom sequence. The coarse code strips are regularly embedded in the fine code strips to form a complete bar code. The pseudorandom bar code is characterized in that a plurality of pseudorandom sequences are alternatively coded for modulating the widths and light and shade changes of the strips. The pseudorandom bar code has the advantages of compatibility with remote measurement and close measurement, capability of forward measurement and backward measurement, simplicity in making a staff gauge, low requirement for a hardware system, small decoding operand, and rapidness and accuracy in identification.

The invention relates to a method for detecting vehicle motion information based on integration of binocular stereoscopic vision and optical flow, and the method comprises the following steps of: analyzing and processing left and right image sequences taken by a binocular stereoscopic camera, and acquiring motion information of the three-dimensional space velocity and angle velocity of the car body through feature matching, three-dimensional reconstruction, feature extraction and optical flow estimation, in order to estimate motion information of the car body. As a new method for detecting car motion parameters, it is simply installed, applied to the actual operating environment of the car, high in precision and strong in real time. By the method, inaccurate reading numbers and measuring errors occurred by environmental factors can be effectively reduced, and the visual sensor has the advantages of simple structure and much information and can provide a mass of other information. The system selects ground points as interested feature points to effectively reduce interference of the motion object and improve estimation precision. At the same time, by the method, steadiness and robustness of the algorithm can be enhanced by fully utilizing depth information.

The invention relates to a multi-scale processing method for nuclear logging data, comprising 1, reading logging data; 2, carrying out filtering for logging data; 3, carrying out normalization processing for filtered data; 4, carrying out multi-scale decomposition, amalgamation and reconstruction for logging data after normalization processing; and 5, displaying curve and image. The invention solves the limitation that collected data can be process and interpreted only in 1-D depth region in prior technology. The invention can reflect multi-scale characteristic for oil gas water distribution in multi-dimension space and improve accuracy for describing distribution of residual oil gas saturation.

A road traffic detection system comprises one or more of an RFID reader-writer, a photosensitive sensor, a laser detector, a camera, a weight sensor, an inductance coil, an infrared light curtain, a sound sensor and a temperature sensor. A traffic detection front system is formed by an RFID label which is named as an Eplate and is installed on a vehicle and the above element in the road traffic detection system. Compared to a traditional video analysis traffic information acquisition method, by using the system of the invention, data is accurate; information contents are large; a related information collection ability is strong and a certain intelligent processing and reaction ability is possessed.

The invention discloses an attitude control system and a control method of a four-rotor aircraft. Firstly, the information of attitude angles of the current aircraft is obtained, and the attitude angles include a roll angle, a pitch angle and a yaw angle; secondly, controllers for the roll angle, the pitch angle and the yaw angle are respectively designed, wherein the controller for the roll angle is the same as that for the pitch angle; and finally, after obtained control inputs of the three controllers are overlapped, a total driving signal is output, thereby driving a motor to operate, so as to control the attitude of the aircraft. A gyroscope and an accelerometer are combined, and a Kalman filter is designed in accordance with models of the attitude angles of the aircraft, so as to conjecture the attitude angles on line. Additionally, variables of the intermediate state of the system can be obtained, and a certain filtering effect is achieved.

The invention relates to a 3D virtual community construction method based on panoramic and real image and geographic information. The method comprises the following steps: establishing a virtual community structure; establishing a virtual community display platform through three procedures, including the first procedure of creating a virtual space based on a scene display outer curtain, creating a virtual ground and setting a wandering mode of a user on the virtual ground; the second procedure of adding a 3D entity on the virtual ground and the third procedure of synchronizing the virtual space and the geographic information of the real world; obtaining a virtual community based on panoramic and real image and geographic information; and enabling the environmental interaction of users in the virtual community and the interaction of a current user and other users. The inventive method increases the virtual community scene construction efficiency, improves the realistic effect, ensures the scene of the virtual community consistent to the scene of the real community, allows the user in the virtual space to not only enjoy the environment of the real world but also know the current geographical location, and enhances the realistic effect of the virtual community.

The invention relates to a streaming media application method in panoramic virtual reality roaming. Panoramic streaming media integrated with additional information is applied to panoramic virtual roaming and the panoramic virtual roaming with continuous viewpoints is realized. The streaming media application method in panoramic virtual reality roaming comprises the following steps of: 1) compressing and encoding image data by utilizing a streaming media video compressing and encoding manner and integrating the additional information; 2) determining an initial user roaming location, returningcorresponding streaming media file information to a client through inquiring a database, analyzing streaming media files, and establishing a data structure used for buffer management; and 3) displaying panoramic images and the additional information, and displaying additional information corresponding to each frame of panoramic image in panoramic virtual roaming in a manner of continuous viewpoints. According to the streaming media application method in panoramic virtual reality roaming, the panoramic images and the additional information are compressed into a streaming media format, thus thedefects of the traditional network-based panoramic virtual roaming are overcome, the user waiting time is shortened, and a novel technical line is provided for the network data transmission in panoramic virtual reality roaming.

The invention discloses a method for preventing and distinguishing fake products by using the internet and two-dimension codes. The method comprises the following steps of: 1) randomly setting a set of unique two-dimension codes for each product by a manufacturer; 2) logging on an official database of the manufacturer through the internet to realize butting, wherein each time the two-dimension codes are scanned, a two-dimension code counter automatically accumulates a count; 3) scanning and logging on to verify the two-dimensional codes; and 4) judging whether a product is genuine by displaying the counting numerical value of the two-dimension code counter and the related identity information of a two-dimension code recognizer on the two-dimension code recognizer which scans the two-dimension codes at the same time. The method has the beneficial technical effect that the two-dimension code recognizer is combined with the internet to quickly identify the authenticity of the product on the spot through simple scanning, so that the aims of identifying and cracking down on fake products by the entire population of a country and ensuring that the fake products have no place to hide and disappear from the scene are achieved.

The invention relates to a security three-dimensional electronic map for rapid deployment and real-time rendering, comprising a virtual device manager, an action pre-setter, a field manager, a renderer, a rendering resource distributor, a security monitoring three-dimensional model library and a user interface. The map applies a three-dimensional field map in the security monitoring system to replace the traditional two-dimensional electronic map and the expandable model library is designed according to the characteristics of the security monitoring system, thus realizing the rapid deployment of the electronic map. The models in the model library carry out the control on the complexity of the structure and the texture against the specific needs of the security monitoring, sharing of the rendering resources, rendering, reducing and other means are simultaneously adopted to realize the aim of real-time rendering. The map is in line with the application requirements on district division rendering, detail control and all-direction roaming of the security monitoring field. The concept of the virtual device is introduced, the expansion and compatibility of the device can be realized by the deployment of a database; the map can rapidly set up various fields, provide the real-time rendering performance, thus improving the visualization and the modernization level of the security monitoring system.