51 results about "Resolution algorithm" patented technology

The invention discloses a method capable of dynamically partitioning traffic control subregion, including the following steps: acquisition of relevant data for associativity analysis; determining degree of association of adjacent crossings by utilizing the acquired data; further determining combination degree of association of multiple crossings; traversing all possible control subregion partitionschemes by adopting subregion partition layer diffusion algorithm and selecting the control subregion partition scheme with maximum performance index by comparation; and partitioning a new traffic control subregion according to the maximum performance index scheme obtained in real time. The invention provides the definition of the degree of association of adjacent crossings and analysis algorithmthereof and realizes effective combination of association key elements of the adjacent crossings; and the provided coordination control subregion partitioning method based on analysis of the degree of association considers various factors influencing the control subregion partition and realizes mensuration, standardization and systematization of the control subregion partition.

Tracking objects by receiving a dataframe from a detection sensor device, the dataframe containing a timestamp and data corresponding to each detected object, generating new observation nodes for each detected object, propagating group track state parameters to obtain posterior observable positions and projecting them onto the received dataframe, generating gates for the posterior observable positions and projecting them onto the received dataframe, determining feasible track node and feasible observation node assignments based on the proximity of the new observation nodes to the gates, updating track node state parameters and corresponding scores, performing a multi-frame resolution algorithm to resolve group track nodes into subtrack nodes, determining a set of feasible composite assignments for composite sets of track nodes and observation nodes, updating track node state parameters and corresponding scores, and determining a selected set of joint assignments based on the feasible composite assignments and their respective scores.

The invention discloses an heterogeneous information universality correlation analysis system and an analysis method thereof. A configurable correlation processing framework and an information collection and receiving module are used for loading different analysis algorithms, connecting different data sources and realizing heterogeneous data analysis; an information pre-processing module is used for loading different processing algorithms, carrying out data structuring processing on analyzed data in a memory and extracting correlation characteristics; an information correlation processing module is used for loading different knowledge and correlation rules, carrying out correlation processing according to information semantic content, and finding out a correlation relation hidden in the information; an interactive visualized module is used for loading different visualized models, and carrying out drawing and interactive analysis on the relation of correlation information; and aiming at the difference of concerned targets in input information, the configurable correlation processing framework is used for carrying out dynamic flow customization. By virtue of the isomerism information universality correlation analysis system and the analysis method thereof, the universal processing problem of heterogeneous multi-source information correlation analysis is solved.

A group of wireless APs, including an active primary AP and one or more inactive backup APs, responds to the failure of the active AP. Backup APs passively detect the absence of the primary AP from a coverage area and become active. If more than one Backup AP attempts to assume the role of the primary AP, contention is resolved by applying a conflict resolution algorithm.

The invention discloses a processing method of association transaction in mobile database, which adopts technical means such as association transaction division algorithm and association transaction conflict resolution algorithm. Association transaction is used as a fundamental granularity of data synchronization and mobile terminal merges the resultset according to associativity between transactions. Association transaction division algorithm and association transaction conflict resolution algorithm are adopted to deal with the resultset, as a result, the terminal enables synchronous process by only uploading association transaction operation results and corresponding timestamp. The invention has the advantages that the transaction processing process ensures transaction execution validity, serializability and atomicity, which reduces system outgoings on time and space and rollback times of error transaction, quickens system response time, and enables system running speed to be steadier and rapider with good practicability and expandability.

The invention provides an address area block matching method based on GIS topology analysis and an address area block matching system thereof. The method comprises the steps that an order address submitted by a client side is received; the order address is analyzed by using a background address analysis algorithm; spatial position information corresponding to the analyzed order address is inquired from a background address library, and the order address is matched to an electronic map according to the spatial position information; and a business area block corresponding to the order address is determined according to the GIS topology relationship, and the information of the business area block is returned to the client side. The area of the order address can be automatically identified through the means so that automatic batch sorting and continuous sorting of mass orders can be realized, the labor intensity of sorting personnel can be reduced, the order delivery efficiency can be enhanced, the problem of sorting and order delivery of logistics and other industries can be solved and the labor cost can be saved for the enterprise.

An unmanned aerial vehicle vision navigation landing system based on a multi-scale marker comprises the multi-scale marker, an identification and attitude resolution algorithm and a navigation system. The multi-scale marker uses an image center as a world coordinate system origin (0,0,0). The side length of the origin is one pixel. The origin extends in four directions around the pixel. In every outward extension, the side length of a black matrix becomes two times of the original side length. The multi-scale marker is automatically generated according to the pixel dimension and the integral dimension of the marker. Supposing the world coordinate system is at the central point of the marker, the z-axis coordinate of the point on the marker is zero and the central coordinate of each matrix is known; a rotational translation matrix of a camera relative to the marker is calculated. The navigation system comprises a coordinate system calibration module, an image acquisition module and an operational processing module. The operational processing module is used for target identification, attitude resolution, navigation control and communication with an unmanned aerial vehicle flight controller. The unmanned aerial vehicle vision navigation landing system has advantages of high dimension change adaptability, high attitude resolution capability and relatively high expandability.

A system of radio frequency communication between Readers and Tags, the system comprising at least one tag Reader and a plurality of Tags, each tag is given a unique tag ID, deployed in a region in which at least some of the Tags are in radio communication with the tag Reader and a Media Access Control protocol such that the tag Reader is configured to send and receive radio communication to and from at least some of the plurality of Tags. The plurality of Tags are configured to send and receive radio communication to and from the tag Reader and the Media Access Control protocol is configured to control the radio communication between the tag Reader and the plurality of Tags The Media Access Control protocol includes a multi-dimensional addressing scheme allowing Readers to efficiently address tag communities ranging from small to very large in unicast, multicast and broadcast modes. The multi-dimensional addressing scheme enables division of the plurality of Tags into a number of groups for different stages of Media Access Control protocol processing, based on different portions of the tag ID. A hash function is used to transform the tag ID into a pseudo random ID, so as to achieve better spreading of tag population and lower statistical dependency between dimensions. The MAC has an inherent flexibility in the sense that it allows readers to communicate with different versions of tags and also to optimize communication parameters to reader's capabilities, without pre-configuration of the tags. Furthermore, the MAC supports means to achieve very high access reliability, such as relay between tags, and the ability to work with tags that alternate between active and sleep mode) including means for power savings. All of these novel features, coupled with some prior art concepts like collision resolution algorithms, result in a scalable MAC protocol for an active RFID system employing multiple access.

The invention discloses a police standard address acquiring method and system. The method comprises steps as follows: receiving a natural language address; recognizing hierarchy terms in the natural language address and determining numbers associated with the hierarchy terms; analyzing the semantics of the natural language address with an intelligent semantic analysis algorithm; matching the natural language address with an address in a standard address coding database according to the semantics, the hierarchy terms and numeric strings to acquire a police standard address corresponding to the natural language address. Obviously, according to the method, the accurate police standard address can be matched by confirming the hierarchy terms in the natural language address and analyzing the semantics of the natural language address as long as a fuzzy address is directly input, a crime address which alarm people want to express can be recognized once, the process of repeated communication for search term correction is emitted, and the warning condition positioning efficiency is greatly improved, so that the alarm call dialing speed is increased.

The present invention describes a method for a one-pass parsing algorithm for generation of a Polish string that computationally defines the maximal possible parallel execution of a general class of arithmetic expressions using one operator stack and two operand stacks. This invention relaxes the assumption that in a processor, only one operation can be performed at any given time.

The invention provides a natural language morphological analyzer and a identifying and extracting MDW method from said language according to the MDW constituent grammar, said method includes following steps: loading the computer readable rules of MDW constituent grammar; inputting text and gaining sentence from the input text; forming the word format of every sentence, said word format at least includes one element, every element is corresponding with one word or one phase; analyzing the word format of every sentence by analytical algorithm combined with loaded MDW constituent grammar to gain MDW alternative word from one or several elements; outputting gained MDW alternative word. The invention can identify and extract MDW from text effectively, and gain the syntax, semantic and shape model information.

The present provides for consistent resolution of data conflicts when synchronizing data between two or more devices in order to reduce the likelihood of an infinite synchronization loop within a distributed computing system. More particularly, example embodiments provide for a conflict resolution algorithm capable of generating unique values for properties that are in conflict. Data selection criteria can then be used to determine which of the properties should be used to resolve the conflict. Such data selection criterion increases the likelihood of providing consistent resolution of similar data conflicts between other devices in the distributed system.

Systems and methods which facilitate selection of communication carriers for communications made in association with a controlled environment facility by a party to the communications are shown. Embodiments allow for a calling party and / or a called party to select a preferred communication carrier from a plurality of communication carriers for a current communication and / or one or more future communications. A party's carrier selection may be stored by a communication processing system for use with respect to a plurality of communication sessions. Embodiments provide a conflict resolution algorithm to arbitrate conflicting carrier selections where both a calling party and a called party to select a carrier for a communication session. Embodiments provide a premise based communication processing system, a centralized communication processing system, or a distributed configuration comprising a hybrid of the foregoing premise based and centralized configurations.

This invention discloses a method for protecting distributing network feed line single-phase grounding fault for providing a protection method applying three-phase transient current component orthogonal wavelength resolution or improved wavelet packet resolution algorithm to extract the character value of single or combined character frequency bands of phase transient components, utilizing the judgement principle of fixed theory between frequency band character values of fault or unfault phases to distinguish the two phases. Combined start mode is applied to protection.

The invention discloses a method and a system for analyzing data. The method for analyzing the data includes the following steps: dividing data files into a plurality of data blocks with fixed sizes, sending the data blocks into a created sharing analysis BLOCK queue in sequence through a buffering area buf, and accordingly reading and analyzing the data blocks in the BLOCK queue in sequence. The situation that load time is excessively long caused by one-time data analysis of a traditional serial analytical algorithm is greatly relieved, analysis efficiency of mass data is improved, and operation efficiency and wave form drawing efficiency of corresponding software systems are improved.

The invention discloses a wavefront sensor. The wavefront sensor includes a first polarizing plate, a half wave plate, a calcite crystal, a quarter wave plate, a second polarizing plate and an array photodetector which are sequentially placed, wherein an optical surface of the device is perpendicular to the light beam spreading direction. The structure is simple, the quantity of optical elements is small, in combination with the present mature crystal growth and cutting process, batch production potential is achieved, moreover, the limitation of a lens array of the wavefront segmentation sampling element is eliminated by the wavefront sensor based on two-dimensional quantum weak measurement, pixel-level wavefront restoration accuracy is achieved, therefore, wavefront restoration of the ultra-high spatial frequency can be achieved, more importantly, the thinking formula of improving accuracy of wavefront restoration is broken, pursuing high-density sub-aperture arrangement and complex ultra-resolution algorithms is not needed, and the wavefront sensor is of great significance in the field of wavefront detection.

The invention relates to a vehicle-mounted high-quality imaging method based on two-step recovery. The method comprises following steps of: S1: expressing the degenerative process of a vehicle-mounted image as the formula shown in the description, wherein f (x, y) is the original clear image, h1 (x, y) is the fixed point spread function of a vehicle-mounted environment imaging system, h2 (x, y) is a motion point spread function under the vehicle-mounted environment, n (x, y) is the additive noise, and g (x, y) is the degenerative image; S2: using a "cepstrum method" to estimate the motion point spread function h2 (x, y) of the g (x, y), and using ultra Lapras regularization ultra resolution algorithm to recover a moving fuzzy image so as to obtain g1 (x, y); and S3: through a "knife edge method", measuring the point spread function h1 (x, y) of a vehicle-mounted optical imaging system, using an improved L-R algorithm to recover the g1 (x, y) fuzzy image and finally recovering a quite clear image f1 (x, y). According to the invention, the image is recovered through two steps, so disadvantages in current methods can be well overcome and high-quality image recovery is achieved.

The invention discloses a bar code scanning signal decoding method, device and a computer readable storage medium. As the scanning signals are preprocessed, positioning errors of an extreme point arereduced, the positioning accuracy of an edge position is greatly improved, the problems that great errors are generated when the edge position is calculated and certain offset exists in necessary edges due to over low resolution can be solved, the character parsing success rate in conditions of low scanning signal resolution and offset generated in the necessary edges is improved, and the robustness of the whole character parsing algorithm is enhanced.

The invention relates to a super-resolution imaging camera and an imaging method thereof, and the camera comprises a lens and a power supply module, and also comprises a micro scanning mirror which isconnected with the lens and is used for carrying out overlapping sampling on a ground object target; the micro-motion scanning drive control circuit is connected with the micro-motion scanning mirrorand the power supply module; the area array detector is connected with the micro scanning mirror; the signal processing module is connected with the area array detector and the power supply module; and the data transmission interface is connected with the signal processing module. Compared with the prior art, the method has the advantages that the cost is low;, according to the invention, the micro scanning mirror is used for swing scanning imaging; overlapping sampling of the target is realized by the camera; and meanwhile, the high-resolution image obtained by fusing the sequence images atdifferent positions for multiple times is an imaging image of an actual camera, the obtained image MTF is not reduced, and the loss of details of the super-resolution image obtained by a conventionalsuper-resolution algorithm is eliminated, so that the image is clearer, and low-frequency and high-frequency details are not lost.

The invention belongs to the technical field of collision analysis and application. The invention provides a quick analysis method for analyzing collision according to a relative motion relation when objects approach to one another. The quick analysis method is characterized by building an intersection coordinate system and a vector correlation equation based on an assumption according to quasi linear motion by using a relative vector relation in space motion of two objects, and quickly analyzing minimum approach distance and approach moment between two objects; the contradiction between calculation efficiency and accuracy in numerical calculation is avoided; the complexity and calculation quantity of the conventional analysis method are reduced; the relation between the calculation efficiency and the accuracy are well considered. The quick analysis method has a wide application prospect in nature and human activities of analyzing collision of the celestial objects, early warning collision of satellites, screening dangerous objects, analyzing hit rate of shooting and striking targets and analyzing collision of high-rate particles.

The invention discloses a mobile data sync conflict preprocessing and resolution method based on a data package. The method comprises the following steps: classifying mobile application data through data moving and synchronizing characteristics, respectively making different data sync conflict preprocessing strategies to prejudge and effectively avoid the conflict in advance; performing conflict detection and conflict resolution through establishing an intermediate chart as a medium. The conflict detection mechanism for the intermediate chart not only has the advantage of high efficiency, but also avoids the condition that conflict data are directly synced to a business data table; a conflict resolution algorithm is achieved by stored procedures and functions; a model is subjected to concurrency control by adopting special queues and multithreading; conflict resolution is achieved in the intermediate chart; data are moved between the intermediate chart and the business data table, so that the effect of sharing the load of a business system is achieved, the problem that the business system performance bottleneck due to large data volume and high concurrency in the business peak, which are not solved in the similar schemes at home and abroad is solved, and the quick response capability and the stability of the business system are ensured.

The invention discloses a planar array multiple-target angle high-resolution realizing method. The planar array multiple-target angle high-resolution realizing method comprises the steps of S1, conducting beam domain FFT on received data of arrays in the pitching direction and the azimuth direction with the method for simplifying two dimensions into one dimension, so that the rough directions of targets in the pitching direction and the azimuth direction are obtained; S2, conducting two-dimension angle traversal pairing according to the obtained azimuth angle and pitching angle, and determining an angle searching region; S3, estimating the two-dimension angles of the multiple targets and determining the number and angle of the targets. By the adoption of the planar array multiple-target angle high-resolution realizing method, the angle of the multiple targets can be effectively estimated, algorithm calculation is far smaller than that of the traditional planar array angle resolution algorithm, and engineering realization is facilitated.

The present invention relates to a media access controller, and more particularly, to a media access controller which can adjust operational parameters according to a setting environment of a packet transmission system by re-setting the operational parameters of the media access controller by an external source. A media access controller (MAC) according to an aspect of the present invention comprises: a carrier analyzer, which generates a timeslot using a carrier sense signal input from a modem of a station and outputs a type and a timeslot of a received frame; a collision resolution handler, which grants medium access by monitoring for collisions between stations and between itself and another station using a collision resolution algorithm; a random number generator, which generates a random number (RndNum) based on a MAC address value when a collision between itself and another station occurs; a transmission on generator, which receives a transmission ready (TxReady) signal and a timeslot to be transmitted from a frame controller of the system and generates a data transmission on (TxDataOn) signal and a transmission frame type (TxSigType) signal; and a parameter setting unit, which adjusts operational parameters of the MAC to be suitable for a setting environment of the station.

The invention discloses a collision classification model. Grouped collisions in the network are divided into cross collisions and intra collisions, and different strategies are adopted to carry out resolution according to the two different types of collisions. The sequential discrete window distribution (SDWD) is utilized to carry out the resolution of the cross collisions, and the cross collisions can be avoided through discretization of node distribution windows. Meanwhile, through setting of the distribution windows with the appropriate size, and a compromise is made between the probability of the intra collisions and the packet delay of the intra collisions. On the basis, the resolution of the two types of collisions, namely, the cross collision resolution (CCR) and collision-free CCR (CF-CCR) are achieved.

Systems and methods which facilitate selection of communication carriers for communications made in association with a controlled environment facility by a party to the communications are shown. Embodiments allow for a calling party and / or a called party to select a preferred communication carrier from a plurality of communication carriers for a current communication and / or one or more future communications. A party's carrier selection may be stored by a communication processing system for use with respect to a plurality of communication sessions. Embodiments provide a conflict resolution algorithm to arbitrate conflicting carrier selections where both a calling party and a called party to select a carrier for a communication session. Embodiments provide a premise based communication processing system, a centralized communication processing system, or a distributed configuration comprising a hybrid of the foregoing premise based and centralized configurations.

The invention provides a missing component iterative inversion calibration nesting-PMF source apportionment algorithm. The method comprises the following steps of: using an on-line monitoring instrument to construct multi-component online data and inputting the multi-component online data into a positive definite factor matrix decomposition model (PMF); selecting the number of factors and settinga model calculation parameter; performing model calculation, extracting the factors, and calculating each factor contribution; combining a measured source profile, a factor profile and factor contributions to perform inverse calculation on a receptor Si and a receptor Al to obtain reconstructed receptor data and reconstructed receptor matrix X1 of Si and Al, respectively; inputting the reconstructed receptor matrix X1 into the model again for calculation to obtain a new factor profile and factor contributions, and combining the measured source profile to perform inverse calculation on the receptor Si and the receptor Al to obtain the reconstructed receptor data and a reconstructed receptor matrix X2 of Si and Al; repeating the above steps until the reconstructed receptor data satisfying the restriction condition is obtained. According to the missing component iterative inversion calibration nesting-PMF source apportionment algorithm provided by the invention, the actual receptor data can be restored to a certain extent, and the accuracy of the model calculation can be improved.

The present provides for consistent resolution of data conflicts when synchronizing data between two or more devices in order to reduce the likelihood of an infinite synchronization loop within a distributed computing system. More particularly, example embodiments provide for a conflict resolution algorithm capable of generating unique values for properties that are in conflict. Data selection criteria can then be used to determine which of the properties should be used to resolve the conflict. Such data selection criterion increases the likelihood of providing consistent resolution of similar data conflicts between other devices in the distributed system.

The invention discloses a method for solving the problem of PLC channel resource contention of multi-node transmission. The method for solving the problem of PLC channel resource contention of multi-node transmission improves transmission success probability through a time domain and frequency domain multiplexing mode. The method is characterized by, based on an MAC layer theory, designing a collision resolution algorithm; through probability analysis, calculating an optimal transmission vector of each channel; selecting a contention slot through protocol filtering; and finally, calculating throughput and analyzing performance index of the method. Through a plurality of frequency channels, interference can be prevented potentially through inter-channel periodic switching, thereby improving robustness of the system for noise interference; and in one time slot, nodes sense busy channels, and are forced off from contention, and the nodes sending carrier waves in the same channel are moved to the next time slot. The method is to reduce channel contention possibility through distributed channel selection and conflict resolution.

The embodiment of the invention provides a privacy image and face privacy processing method, device and equipment. The method comprises steps of obtaining a to-be-processed target image, determining afirst sub-image needing to be subjected to privacy processing from the target image, and enabling the first sub-image to comprise privacy data of a preset type, performing secure multi-party calculation on the private data in the first subimage to perform fuzzy processing on the private data to obtain a first subimage after fuzzy processing, and then performing sharpening processing on the firstsubimage after fuzzy processing by adopting a super-resolution algorithm to obtain a second subimage so as to obtain a second subimage; and replacing the first sub-image in the target image with the second sub-image.

The invention provides a deep attention coding and decoding single-image super-resolution algorithm based on perception loss guidance. The deep attention coding and decoding single-image super-resolution algorithm comprises the following steps: constructing a deep attention coding and decoding network model based on perception loss guidance; designing a perception loss objective function accordingto the network model; presetting network model hyper-parameters, and training a network model by adopting a back propagation algorithm according to the perception loss objective function; if the network model converges, outputting an expected high-resolution image, otherwise, returning to execute the previous step until the network model converges. According to the invention, the residual space attention unit is added into the network and is used for capturing and reconstructing more low-frequency information; the perceptual loss composed of an average absolute error and structural similarityloss is used as a loss function to optimize network parameters, so that the network can pay more attention to the visual sensitive area to store the visual information structure, the quality of the reconstructed image is improved, the reconstructed image has an excellent visual effect, and the reconstruction efficiency of the network is extremely high.