53results about How to "Reflect the difference" patented technology

The invention belongs to the technical field of image processing, and particularly discloses an SAR image target recognition method based on non-negative matrix factorization of sparse constraint. According to the method, more effective features are extracted by improving a non-negative matrix factorization method to improved recognition precision, and the problems that features extracted in the prior art are not typical and recognition precision is not high are solved. According to the method, a training sample image and a test sample image are pre-processed in the same way, logarithmic transformation is carried out, a pre-processed training sample set is factorized through non-negative matrix factorization of sparse constraint to obtain a basis matrix and a coefficient matrix, a test sample set is projected in a sub space of a basis matrix structure, classification is carried out through an SVM after a feature matrix is obtained, and then classification accuracy is obtained ultimately. Compared with the prior art, the extracted features are more effective and recognition precision can be effectively improved.

The invention discloses a comment information quality evaluation method and system. The method includes the following steps that: an entire comment text is obtained; equal-information amount short sentence segmentation is performed on the entire comment text, so that short sentence units can be obtained; the information entropy-based information values of the short sentence units are determined; the weights of the information values of the short sentence units are adjusted on the basis of industry information; and the quality of the entire comment text is determined according to the information values of the short sentence units. The invention also discloses a comment information processing method and system. With the methods and systems of the invention adopted, the objective and accuratequality evaluation of comment information can be realized, and thus, more effective reference information can be provided for user transactions.

The invention discloses a sea and land clutter scene segmentation method based on direct current component ratio measure, which is mainly used for solving the problem that the segmentation quality in the prior art is poor. The technical scheme is as follows: 1. transmitting a pulse signal by a radar transmitter, and receiving echo data by a radar receiver, wherein an echo sequence in each resolution cell of the echo data is X; 2. calculating a direct current component ratio in each resolution cell by the X to obtain a direct current component ratio matrix W of all resolution cells; 3. converting W into a gray level image H, and carrying out median filter on the gray level image; 4. carrying out initial threshold segmentation on the gray level image H after the median filter by using a maximum between-cluster variance threshold segmentation method to obtain an initially segmented image B; and 5. carrying out morphological filter on the initially segmented image B to obtain a final clutter scene segmentation result Z. The sea and land clutter scene segmentation method disclosed by the invention is used for improving the sea and land clutter scene segmentation quality and meeting the real-time scene segmentation requirements, and can be applied to sea and land clutter scene segmentation under shore-based radar conditions.

The invention provides a step-by-step footprint identification method combined with footwork features, which is characterized by comprising an off-line training process and an on-line identification process. The method comprises the steps of acquiring a step-by-step footprint image to be trained by the acquisition unit, and obtaining the initial step-by-step footprint image data set to be trained;extracting a single footprint from the footprint image to be trained; constructing a footwork energy map of the step-by-step footprint image to be trained; extracrting the step features of the footprint images to be trained for coarse-grained classification, and constructing a coarse-grained classification model according to the extracted step features; then constructing a fine-grained recognition model according to the energy map and the coarse-grained classification model. According to the principle of triangular stability, by using the weighted average of three single footprints to get thefootprint energy map as the discriminant image, the matching error is reduced by weighted average of footprints collected in different time periods, and the relative relationship between the left andright feet is maintained, which is the fusion of footprint characteristics and fully reflects the difference of footprints.

The invention provides an ICD (Interface Control Document) integrated management tool. The ICD integrated management tool (namely an internal integrated design tool) consists of a definition design tool, a version maintenance tool, an interface output conversion tool and a system authority review tool, and is connected with a database management tool through a local area network, wherein the definition design tool is used for setting input and output of each module of a project management system and a bus management system in a grading manner in a visual design mode and an intuitive bytes and bit fields parallel design mode; the version maintenance tool forms a whole set of finished version specifications for ICD maintenance by virtue of different version repositories generated in an ICD; the interface output conversion tool is used for converting the ICD into an XML (Extensive Makeup Language) document describing the ICD by virtue of an XML document output system, and provides a whole set of complete conversion interface; and the system authority review tool guarantees the hierarchical authority and the confidential level of the ICD. By virtue of the ICD integrated management tool, the design of the ICD can be simpler, the management of the ICD can be more systemized, and the maintenance of the ICD can be more traceable.

The invention provides a method and a system for implementing centralized operation and maintenance management of information systems and belongs to the technical fields of network real-time transmission, data consistency verification, data isolation and the like. Local operation and maintenance monitoring systems of the information systems monitor respective information systems, and monitoring data, early-warning data and added monitoring resources are pushed to a centralized operation and maintenance management system in real time; the centralized operation and maintenance management system receives these data, persists these data into a database to serve as historical data and displays the latest data on pages. An explicit operation and maintenance target and direction can be provided for operation and maintenance persons, and the operation and maintenance cost can be reduced.

The invention relates to a game cards and an operation methods, and in particular relates to a game card imitating swordsmen fighting and an operation method thereof. The invention aims to provide a novel game card imitating swordsmen fighting and an operation method thereof so as to enhance role play feelings of players, reflect differences among different players and display the characteristics of a game, so that the players can effectively control a game result based on decisions of the players, thus being beneficial to intelligence development and improvement on game interests. The game card imitating the swordsmen fighting and the operation method thereof can be shown in forms of online games and mobile games, and the operation method is illustrated by only using the form of game cards. The appearance structure and the manufacturing method of the game card imitating the swordsmen fighting are similar to those of playing cards. The operation method of the game card imitating the swordsmen fighting is totally different from that of the conventional card game.

The invention relates to a Paphia undulate ecological ice-temperature keeping-alive circulation method. The Paphia undulate is purified for 24 hours in germfree seawater prepared by ultraviolet sterilization. The factors such as temperature, seawater flowrate, shellfish-water ratio, etc. are controlled by taking the indexes of total number of bacteria and coliform group. After the purification is qualified, the shellfishes are subpackaged and then carried out the ecological ice-temperature keeping-alive circulation with water or without water. The invention combines the purification technology and the keeping-alive technology, which is simple and systemic, is fit for popularizing, thus not only solving the eating safety problem of the shellfish, but also solving the key problem that the Paphia undulate is difficult for keeping-alive circulation aiming at the biological metabolic characteristic of the specific shellfish in Hainan area.

The invention discloses an automatic detection method for uraniscolalia pharyngeal fricatives based on a multi-delay four-order-cumulant-octave FTSL spectral line, and relates to the field of voice signal processing. The detection method comprises the following steps: (1) carrying out signal preprocessing, namely, carrying out framing, pre-emphasis and amplitude normalization on input consonant signals; (2) extracting the features of voice signals, namely, extracting FTSL spectral line features in the frequency domain of the multi-delay four-order-cumulant of each frame of voice, and carryingout equal-ratio mean value envelope array extraction in the time domain; and (3) after the time domain and FTSL spectral line signal features of the voice signals are extracted, carrying out automaticclassification on the voice signals by adopting the combined classifier recognition algorithm in combination with the time domain equal-ratio envelope mean value array and the FTSL spectral line features, and outputting the classification result. Compared with the prior art, the method provided by the invention has the advantages that the detection result is objective and accurate, the automaticmeasurement with relatively high degree can be realized, thus reliable reference data are provided for the digital evaluation of pharyngeal fricatives clinically, the accurate medical development demand is conformed, and more accurate and effective signal classification recognition is carried out.

The invention provides a method and a system for evaluating the sustainable development of a nature reserve. Based on the Net Primary Productivity (NPP) data of each type of land in the target naturereserve, the equilibrium factors and yield factors of each type of land are determined respectively, which fully reflects the differences among different types of land and overcomes the problem of parameter elasticity insufficiency in the existing ecological footprint method. At the same time, the per capita ecological footprint and per capita ecological carrying capacity of the target nature reserve are calculated based on the improved equilibrium factor and yield factor, according to the per capita ecological footprint and per capita ecological carrying capacity, the method and system can accurately and quantitatively evaluate the sustainable development status of the target nature reserves, help to determine whether the intensity of human activities in nature reserves exceeds the ecological carrying capacity, provide scientific basis for the management and decision-making of nature reserves, and provide guidance for promoting the construction of ecological civilization.

The invention discloses a high safety APUF circuit structure comprising n+1/2 units and two arbiters. Each unit comprises four phase inverters and four 4-to-1 multipath selectors. The circuit structure comprises four signal paths. Each signal path is formed by one phase inverter and one multipath selector of each unit through spaced arrangement. Every two excitations of the input excitations formthe address input end signal of the multipath selector, and the four data input ends are connected with the four phase inverters to form cross connection. The output end of the multipath selector is connected with the phase inverter of the next unit and the data output ends of the first and fourth multipath selectors of the last unit are connected with the same arbiter, and the data output ends ofthe remaining two multipath selectors are connected with the other arbiter and Exclusive OR operation is performed according to the output of the two arbiters so as to obtain the response. Each excitation is corresponding to one structure and there is no fixed model so as to have high model attack resistance capacity and high uniqueness.

The invention discloses an energy aggregation degree measure-based sea and land clutter scene segmentation method. The main objective of the invention is to solve the problem of poor segmentation quality in the prior art. According to the technical schemes of the invention, the method includes the following steps that: 1, a radar transmitter is utilized to transmit pulse signals, a radar receiver receives echo data, and an echo sequence in each resolution unit of the echo data is X; 2, over-M sampling Fourier transform is performed on X, so that the frequency sequence Y of the echo sequence in each resolution can be obtained; 3, Y is utilized to calculate an energy aggregation degree matrix E; 4, E is converted into a gray image H, and median filtering is performed on the gray image H; 5, threshold initial segmentation is performed on an image H1 which is obtained after the median filtering through utilizing an Otsu threshold segmentation method, so that an initially-segmented image B can be obtained; and 6, morphological filtering is performed on the image B, so that a final clutter segmentation result Z can be obtained. With the energy aggregation degree measure-based sea and land clutter scene segmentation method of the invention adopted, the quality of sea and land clutter scene segmentation can be improved, and real-time scene segmentation requirements can be satisfied. The method can be applied to sea and land clutter scene segmentation under a moving or static coherent system platform.

The invention discloses a doll machine system capturing a player expression automatically. An inner cavity of a doll machine main box body carries a pad display screen; the bottom of the pad display screen is provided with a doll falling window, an ultrasonic detection radar is clamped on the inner wall of the doll falling window, an output end of the ultrasonic detection radar is provided with abackground control system, and an output end of the background control system is provided with a viewfinder camera. According to the doll machine system capturing the player expression automatically,the ultrasonic detection radar transmits an electric signal generated during falling of a doll to the background control system, the background control system transmits a photographing command to theviewfinder camera, the pad display screen receives and displays a real picture, and the player can see the real-time expression picture when grabbing the doll. The player expression capturing functionhelps make the player happier, records moments, embodies difference and characteristic of the product, and maximizes the psychology of entertainment of the player.

The invention relates to a resident load distributed coordination control method considering the dynamic hot spot temperature of a transformer. The method comprises the following steps: 1) constructing a resident load electricity utilization rolling optimization model according to a transformer aging model and a resident load model; and 2) carrying out modular decomposition on a centralized problem of the resident load electricity utilization rolling optimization model, introducing a Lagrange multiplier vector, solving the centralized problem by adopting a distributed algorithm, and finally obtaining an optimal coordination control scheme. Compared with the prior art, the method has the advantages that the operation economy of a power distribution network is improved, safe operation of thetransformer is guaranteed, intelligent dynamic blocking management is achieved, load privacy data does not need to be collected, coordination control over large-scale loads is adapted, and the difference of the loads is embodied.

The invention discloses a novice driver driving skill improving assistant system based on a Logistic model. The system is characterized in that physiological state information of a driver is detectedin real time, and the Logistic regression model is used for analyzing and judging the probability that the driver is nervous; when the probability exceeds a set probability, a surrounding scene is collected, the acquired surrounding scene is identified, the optimal scene with the highest matching degree with the surrounding scene in set scenes of a database is found out, and the optimal scene is output to a driver mobile terminal; corresponding advices are given to the driver by the driver mobile terminal according to the optimal scene, and therefore the driving skill of the novice driver is improved.