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79results about How to "Avoid matching problems" patented technology
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Method, system and apparatus for an antenna
InactiveUS7271779B2Easy transitionTotal current dropSimultaneous aerial operationsRadiating elements structural formsBroadbandWide band
Embodiments of the present invention provide a microstrip-coupled dipole antenna. A microstrip of the antenna may be formed on top of a printed circuit board (PCB) and coupled to a transmission line such that the microstrip is operable to transfer electromagnetic energy fed to it by the transmission line to a dipole structure on the bottom of the PCB that, in turn, radiates a broadband electromagnetic signal.
Owner:ALEREON
Financial instrument trading system, method and computer program product
InactiveUS20050228739A1Convenient transactionImprove liquidityFinanceSpecial data processing applicationsFinancial transactionData mining
A computerized trading system for facilitating transactions of financial instruments between a plurality of traders. A bid and offer recorder records bids and offers on financial instruments from traders. A matching engine is configured to match complementary bids and offers. A trade restrictor is configured to detect bids and offers that are automatically entered and restrict matching of the bids and offers by the matching engine. The trade restrictor may block trades between traders where both the bids and the offers are based on automated price feeds, encouraging banks to supply such automated price feeds and enhance the liquidity of the market. Price feed based trades can be detected by locating data in the bid or offer indicating automation or from the structure of the bid or offer, which may also contain a cancellation request for a previous bid or offer made within a short time period.
Owner:HOTSPOT FX
Switching circuit implementing variable string matching
InactiveUS7353332B2Avoid matching problemsShorten the timeMultiple digital computer combinationsDigital storageArray data structureNetwork packet
Owner:AVAGO TECH INT SALES PTE LTD
Switching circuit implementing variable string matching
InactiveUS20070083646A1Preventing subsequent erroneous matchReduce processing timeDigital storageMultiple digital computer combinationsData packTheoretical computer science
A content matching engine (CME) uses a content addressable memory (CAM) array that stores a plurality of strings in separate entries. The strings define one or more rules to be matched. The strings of each rule are linked, thereby providing a required order. The strings of each rule can be linked by per-entry counters associated with each string, or by a state machine. The strings in the CAM array are compared with a packet, which is shifted one symbol at a time (because the strings can start on any boundary). When the CAM detects a match, the CAM skips over the string that resulted in the match, thereby preventing erroneous matches. The CAM allows parallel matching to be performed for multiple rules. If the contents of a packet match all of the strings of a rule, in order, then the CME asserts a match / index signal that identifies the matched rule.
Owner:AVAGO TECH INT SALES PTE LTD
Timing measurement device using a component-invariant vernier delay line
InactiveUS6850051B2Reduced measurement timeAvoid matching problemsPulse characteristics measurementsFrequency to phase shift conversionSingle stageMeasurement device
In recent years, much effort has been placed on improving the performance of timing and jitter measurement devices using Delay Locked Loop (DLL) and Vernier Delay Line (VDL) techniques. However, these approaches require highly matched elements in order to reduce differential non-linearity timing errors. In an attempt to reduce the requirement on element matching, a component-invariant VDL technique is disclosed that enables the measurement device to be synthesized from an RTL description. The present invention is based on a single-stage VDL structure, which is used to mimic the behavior of a complete VDL. Furthermore, as test time is an important consideration during a production test, a method and system is provided that reduces test time at the expense of additional hardware.
Owner:MCGILL UNIV
Method for decoding coding mark points of measuring stick based on skeleton extraction
InactiveCN103530889AAvoid matching problemsGood auxiliary effectImage analysisImage codingSelf adaptiveThree dimensional measurement
The invention relates to a method for decoding coding mark points of a measuring stick based on skeleton extraction. The method comprises the following steps: segmenting an image by an self-adaptive threshold method and extracting foreground regions which comprise non-coding mark point regions; eliminating a noise region by utilizing the area of each foreground region to acquire a region to be extracted; performing local sub-pixel edge extraction on the region to be extracted in the original image and then positioning an oval outline; fitting an oval by oval outline points, extracting a coding mark point region and intercepting an image of the coding mark point region; performing inverse affine on the oval in the image to enable the oval to become a circle, so as to acquire a image to be decoded; performing partial differential processing and extracting the skeleton of a coding ring region; decoding the coding mark points and performing rotate right on 10 binary codes, wherein the minimal decimal value is the coding mark point decoding value; performing one-to-one correspondence on determined feature point codes on the measuring stick of left and right images, namely matching point pair. The method has the advantages that the defect that three-dimensional matching calculation is complex in the traditional algorithm is overcome, the matching precision is improved, and the important application value is achieved in the field of binocular vision three-dimensional measurement.
Owner:TIANJIN POLYTECHNIC UNIV
Speckle-pattern-based method and device for calibrating monocular measurement system
ActiveCN103868524ALow costAvoid extracting and matchingPhotogrammetry/videogrammetryCcd cameraProjector calibration
The invention discloses a speckle-pattern-based method for calibrating a monocular measurement system. The method comprises the following steps: calibration plate image collection, calibration plate image detection, speckle pattern collection, projector calibration image generation, and self-calibration of a measurement system formed by a single camera and a projector. The invention also discloses a calibration device. The calibration device comprises a digital grating projector (1), an industrial charge-coupled device (CCD) camera (3), and a computer (5), wherein the computer comprises an image collection control unit, a projector projection control unit, a calibration plate image detection unit and a camera parameter calibration unit. By adopting the method and the device, the high-accuracy calibration on the monocular measurement system can be quickly and efficiently finished, and the method and the device have the characteristics of being simple and convenient to operate, practical, flexible, and accurate and reliable in result.
Owner:XIAN XINTUO 3D OPTICAL MEASUREMENT TECHN
Multi-objective near-and-far field mixed source positioning method
ActiveCN105589056AReduce usageReduce computational complexityPosition fixationSensor arrayComputation complexity
The invention provides a multi-target near-and-far field mixed source positioning method and belongs to the field of the array signal processing technology. According to the method, firstly, a symmetric and homogeneous linear sensor array is arranged to receive a target signal, and then the observation signal form of a near-and-far field mixed source is determined. Secondly, a special third-order cyclic matrix is constructed based on the output of a properly selected sensor, and a direction matrix thereof only contains the azimuth information of a far-field source and the azimuth information of a near-field source. Thirdly, the eigenvalue of the third-order cyclic matrix is decomposed, so that a corresponding noise sub-space is obtained. Fourthly, a cyclic autocorrelation matrix based on the observation data of the entire matrix is calculated, and the eigenvalue of the cyclic autocorrelation matrix is decomposed. In this way, a corresponding noise sub-space is obtained. Fifthly, an already estimated azimuth is substituted to the two-dimensional MUSIC spectrum peak searching process, so that the estimation on the distance of the near-field source is realized. The application of four-order cumulants is avoided, and the calculation complexity of the algorithm is effectively reduced. The operation time of the algorithm is shortened. Meanwhile, the cyclic steady interference and the steady background noise are effectively suppressed. Moreover, the extra parameter matching process is avoided.
Owner:JILIN UNIV
Method for re-using photorealistic 3D landmarks for nonphotorealistic 3D maps
ActiveUS20110140928A1Simple to visualizeImprove recognitionInstruments for road network navigationRoad vehicles traffic controlGeographic areaThree dimensional data
Owner:ROBERT BOSCH GMBH
Hexagonal matrix alphanumeric keypad
InactiveUS20050104750A1Reduce ambiguityAvoid matching problemsElectronic switchingInput/output processes for data processingTypingElectrical impulse
A compact keypad is provided for inputting data into an electronic device. With the addition of a minimum of just four more keys than found on a telephone keypad, direct single-press-per-character data entry is made possible by the use of adjecent combination keypress entries. The keys are sufficiently sized and spaced to enable the direct activation of any of a set of characters comprised of numbers, letters and symbols with a single finger stroke of either one individual key, or an adjacent combination of keys. The present compact keypad conforms to the number-letter association of a standard telephone keypad. Such numerous combinations are made possible because of combinations arising from individual keys being arranged in a close-ordered hexagonal pattern. Seven or more characters can be directly selected with a single press of a single key actuated in combination with any or none of its six adjacent keys. Each individual key is connected to an electro-mechanical contact to produce an electrical impulse corresponding to the individual key being activated. The various combinations are subsequently decoded to generate an input of the single selected character. The number of such direct data entry combinations far exceeds the number of individual keys, so substantially fewer keys are needed than those found on a full set of non-combination enabled keyboards, such as the typical QWERTY keyboard, while still maintaining the same key coding equivalency and a one-to-one key stroke to key code correspondence. Alternate embodiments of the present invention offer two handed touch-typing speed of data entry along with being compatible with current expanded function telephonic keypads.
Owner:TUASON CHRISTOPHER
Fingerprint matching apparatus and fingerprint sensor
InactiveUS20070076924A1Prevent fingerprint imageIncrease probabilityCharacter and pattern recognitionStill image data indexingDistortionFingerprint image
A fingerprint matching apparatus includes a fingerprint distortion detection unit for detecting whether or not a correlation object intentionally distorts the finger put on the fingerprint reading face by, for example, applying excessively large force to the finger, or dragging or rolling the finger. With this configuration, it is possible to prevent a distorted fingerprint image from flowing into the fingerprint matching apparatus and therefore the probability of accurate fingerprint correlation can be increased.
Owner:FUJITSU LTD
Secure mechanism to switch between different domains of operation in a data processor
ActiveUS20140075581A1Avoid matching problemsAvoid it happening againDigital data processing detailsAnalogue secracy/subscription systemsProgram instructionData memory
A data processing apparatus including processing circuitry having a secure domain and a further different secure domain and a data store for storing data and instructions. The data store includes a plurality of regions each corresponding to a domain, and at least one secure region for storing sensitive data accessible by the data processing circuitry operating in the secure domain and not accessible by the data processing circuitry operating in the further different secure domain and a less secure region for storing less sensitive data. The processing circuitry is configured to verify that a region of the data store storing the program instruction corresponds to a current domain of operation of the processing circuitry and, if not, to verify whether the program instruction includes a guard instruction and, if so, to switch to the domain corresponding to the region of the data store storing the program instruction.
Owner:ARM LTD
Switching Circuit Implementing Variable String Matching
InactiveUS20080212581A1Avoid matching problemsShorten the timeData switching by path configurationArray data structureNetwork packet
Owner:AVAGO TECH WIRELESS IP SINGAPORE PTE
Search engine and method for implementing the same
ActiveUS20160371379A1Accurate detectionImprove sorting effectDatabase updatingWeb data indexingHuman search engineResult list
Search engine method includes: receiving a user query request input; searching candidate results matching with the query request; determining a semantic relatedness between the query request and each candidate result based on a click-escape model; sorting the candidate results according to the semantic relativity. The click-escape model has an escape dictionary, a non-escape dictionary, or a combination thereof. Sorting candidate results of a search in accordance with a semantic relatedness can enhance the sorting effect of the searched results, avoid searched results which do not match the user's query appearing in the forefront of the searched result list, and guarantee a good user experience.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
A method and a device for extract that center of a laser stripe of a rail profile unde a dynamic driving environment
ActiveCN109389639AImprove robustnessAvoid matching problemsImage analysisNeural learning methodsRail profileGray level
A method and device for extract laser stripe cent of rail contour under dynamic driving environment A laser stripe image of a rail profile to be extracted is input to a depth learning network structure segmentation model, and the light stripe image is segmented into a plurality of sub-region images accord to the gray level characteristics and the gradient direction characteristics of the light stripe; Determining the normal principal direction of each sub-region based on the gradient histogram of the light stripe; Each sub-region corresponds to a normal principal direction; According to the main normal direction of each sub-region, constructing the corresponding direction template for each sub-region. According to the direction template, the sub-pixel coordinates of the center of the lightstrip in each sub-region are determined. According to the sub-pixel coordinates of the center of the light strip in each sub-region, the sub-pixel coordinates of the center of the laser stripe of therail contour in the dynamic driving environment are extracted. The technical scheme improves the efficiency, accuracy and robustness of the laser stripe center extraction under the dynamic driving environment.
Owner:RAILWAY INFRASTRUCTURE TESTING RES INST CHINA ACAD OF RAILWAY SCI +2
Space non-cooperative target pose measurement method based on model
ActiveCN103994755AImprove reliabilityAvoid computational complexityPicture interpretationEdge modelImage edge
The invention discloses a space non-cooperative target pose measurement method based on a model. The space non-cooperative target pose measurement method is characterized by comprising the following main steps: obtaining a deep edge and a texture edge of a target model according to a relative pose at the last moment so as to obtain a visible edge model; extracting a Harris characteristic of a current scene image according to a KLT (Karhunen-Loeve Transform) algorithm; projecting the target visible edge model in an image scene, searching an image edge in a normal direction along the edge model and calculating a residual error of a corresponding characteristic point pair; estimating 3D coordinates of the Harris characteristic of a last frame through deep buffer, projecting the 3D coordinates in a current image in a current estimation pose, and calculating a residual error of a corresponding characteristic point pair; determining weights of characteristic point pairs according to an M estimator robust method and distributing the weights of characteristic points according to the average residual error obtained in the two steps; and iteratively calculating a relative pose according to a visual servo method. According to the method provided by the invention, the measurement of a relative pose of a space non-cooperative target can be realized, and the advantage of low calculating amount is achieved.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
Semiconductor integrated circuit device
InactiveUS20050122646A1Avoid matching problemsIncrease resistanceTransistorSolid-state devicesElectrical resistance and conductanceEngineering
A semiconductor IC device includes an electrostatic protective circuit connected to an internal circuit connected between two pads. The internal circuit includes a matching circuit for adjusting the impedance between the two pads. The matching circuit includes n (n is a positive number of 2 or more) resistance elements connected in parallel between the two pads; n×m (m is a positive number of 2 or more) transistors, each m transistors connected in parallel being connected in series to the n resistance elements, respectively; and an adjustor for selectively allowing the transistors to perform an ON-operation. The resistance of each resistance element is set to a larger value than the impedance to be adjusted. Accordingly, a surge-current control effect is enhanced and breakdown of the transistors can be prevented.
Owner:RENESAS ELECTRONICS CORP
Method for three-dimensional reconstruction of monocular polarization
The invention relates to a monocular polarization three-dimensional reconstruction method, comprising the following steps: (a) obtaining light intensity images of an object and polarization images ofseveral objects with different polarization angles; (b) obtaining a first object surface normal according to that object polarization image; (c) obtaining a second object surface normal line accordingto that light intensity image of the object by use an SFS algorithm; (d) correct that first object surface normal using the second object surface normal to obtain a third object surface normal; (e) realizing that three-dimensional reconstruction according to the surface normal of the third object. The surface normal of the object obtained by the SFS method is used for correcting the surface normal obtained by the polarization information, thereby realizing the monocular three-dimensional reconstruction, reducing the complexity of the system structure and improving the operation speed.
Owner:XIDIAN UNIV
Bus type identifying method
ActiveCN102930242AAvoid matching problemsSmall amount of calculationCharacter and pattern recognitionTemplate matchingShortest distance
The invention discloses a bus type identifying method, belonging to the technical field of processing a computer video. The bus type identifying method comprises the following steps of: carrying out mixed Gaussian modeling on a monitoring video, and carrying out bus type initial identification on a vehicle; secondly, establishing a corresponding 3D (three-dimensional) model according to the position information of the vehicle and the characteristics of a bus; meanwhile, extracting a characteristic segment by using an LSD (Large Screen Display) segment extracting algorithm; and finally, matching the 3D model of the vehicle and the segment characteristics by using a comprehensive algorithm of combining template matching and shortest distance matching. According to the bus type identifying method provided by the invention, the 3D model is established by using the vehicle position information and the bus type characteristics, so that the preparation work of a car type database can be avoided; meanwhile, the vehicle to be judged is initially judged by using the bus type characteristics, so that the 3D modeling and matching process can be carried out on all vehicles in the scene, and the calculation amount is reduced. Finally, the calculation accuracy is improved, and the calculation amount can be reduced by using a combined matching algorithm.
Owner:SHANGHAI JIAO TONG UNIV
Digital phase-locked loop frequency synthesis device
ActiveCN107634761AReduce operating frequencyReduce power consumptionPulse automatic controlDigital down converterTransceiver
The invention discloses a digital phase-locked loop frequency synthesis device. The device comprises an orthogonal voltage-controlled oscillator, an output buffer, an eight-division frequency-divider,a phase interpolator, a digital processor, a digital time converter, a sampler, an analog-to-digital converter, a digital loop filter, a digital-to-analog converter and a frequency locking module. The digital phase-locked loop frequency synthesis device disclosed by the invention can generate 28-32 GHz continuous coverage millimetre-wave orthogonal signal output, and can satisfy the local oscillation requirement of a transceiver in the frequency band; furthermore, voltage signals are converted into digital signals through the analog-to-digital converter; the equivalent time resolution is improved; the in-band phase noise of output signals is improved; the required delay coverage range of the digital time converter is reduced; the linearity of the digital time converter is improved; and the spurious performance of output signals is improved.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
Power amplifier efficiency
ActiveUS20050239423A1Reduce power consumptionImprove efficiencyEnergy efficient ICTResonant long antennasCapacitanceAudio power amplifier
The present invention relates to a method and an arrangement for optimizing the efficiency of a power amplifier (1) that is utilized for transmission of radio signals in a portable radio communication device, such as a mobile phone. The impedance loading the power amplifier (1) is controlled by a controller (5) in dependence on a transmission power of the portable radio communication device, wherein the radiating impedance of an antenna element (2) loading the power amplifier is controlled in dependence of the desired load impedance. Preferably, the changing of radiating impedance is performed by changing a capacitive coupling between the antenna element and a ground element or by changing the size of the antenna element. Better efficiency and bandwidth are thereby attained.
Owner:SAMSUNG ELECTRONICS CO LTD
Method, system and apparatus for an antenna
InactiveUS20070035462A1Easy transitionTotal current dropSimultaneous aerial operationsRadiating elements structural formsEngineeringBroadband
Embodiments of the present invention provide a microstrip-coupled dipole antenna. A microstrip of the antenna may be formed on top of a printed circuit board (PCB) and coupled to a transmission line such that the microstrip is operable to transfer electromagnetic energy fed to it by the transmission line to a dipole structure on the bottom of the PCB that, in turn, radiates a broadband electromagnetic signal.
Owner:ALEREON
Method for realizing piezoelectric pressure detection touch screen piezoelectric response uniformity by using neural network
ActiveCN110044522ANo need to increase energy consumptionAvoid matching problemsForce measurement using piezo-electric devicesNeural architecturesVoltage responseElectrode array
Owner:苏州二向箔科技有限公司
Fingerprint matching processor
ActiveUS20050226476A1Improve securityImprove certaintyOther chemical processesPerson identificationCapacitanceSemiconductor sensor
In a fingerprint matching processor which has an electrostatic capacity semiconductor sensor 14 for detecting fingerprint information based on electrostatic capacities between a plurality of detection electrodes 21 arranged on a semiconductor substrate 24 at a predetermined interval in a two dimensional manner and a target object, and which executes a fingerprint matching process for the detected fingerprint information, a water repellent film 30 is formed on a protective film 26, the protective film 26 protecting ground electrodes 22 that are disposed between the detection electrodes 21 and configured to ground the target object and the detection electrodes 21, and serves as a surface of the semiconductor sensor 14 for placement of the target object.
Owner:SONY CORP
Detection of fingerprint distortion by deformation of elastic film or displacement of transparent board
InactiveUS7660447B2Prevent fingerprint imageIncrease probabilityInflated body pressure measurementFluid pressure measurement by electric/magnetic elementsEngineeringComputer science
Owner:FUJITSU LTD
Inorganic ecologic wood, and preparation method and application thereof
The invention provides an inorganic ecologic wood. The inorganic ecologic wood is prepared through using, by weight, 100.0 parts of inorganic gelling powder, 6.0-42.0 parts of a dispersible vegetable fiber, 8.0-25.0 parts of amorphous SiO2 mineralization powder, 0.0-5.5 parts of a modification aid, and 23.5-26.2 parts of a complex formulation solution. The inorganic ecologic wood reserves the good plasticity and environmental protection characteristic of the inorganic material, and has the ecologic functions of formaldehyde cleaning, antibiosis, mildew resistance and negative ion generation. The invention also provides a preparation method of the inorganic ecologic wood, and applications of the inorganic ecologic wood as building materials comprising ecologic board, wood floors, interior and exterior decorative boards or decorative modeling boards and the like.
Owner:HUBEI GREENS NEW BUILDING MATERIALS SCI & TECH YINGCHENG
High-voltage transmission line camera image abnormality automatic judgment method
ActiveCN107680089AImprove computing speedEasy to detectImage enhancementImage analysisCamera imageHigh pressure
The invention discloses a high-voltage transmission line camera image abnormality automatic judgment method. The method comprises the following steps that: step 1, images are scaled to a fixed size, and gray-scale processing is performed on the images; step 2, the gray-scale mean values of each image is calculated, and whether abnormalities exist in the images is judged according to the gray-scalemean values; step 3, an LBP operator is adopted to calculate the texture information of the images; step 4, the variances of the images are calculated, and whether abnormalities exists in the imagesis judged according to the variances of the images; step 5, binarization is performed on the images; step 6, the proportion of pixels in each binarized upper 1 / 2 image which have gray values that arenot 0 in the corresponding upper 1 / 2 image is calculated, and whether abnormalities exist in the images is judged according to the proportions; and step 7, the number of images where abnormalities exist continuously is calculated, if the number reaches a certain number, it is determined that an image abnormal phenomenon occurs. With the method of the invention adopted, calculation amount can be effectively reduced; abnormal fault detection can be simplified; and the detection effect of the image abnormal phenomenon of a camera can be greatly improved.
Owner:UNIV OF JINAN
Motion estimation method
InactiveUS6912296B2Avoid matching problemsReduce complexityTelevision system detailsPicture reproducers using cathode ray tubesComputation complexityRound complexity
A motion estimation method is provided. In the method, respective mean difference values for a current search point within a search block and neighboring search points within the search block are calculated. Then, motion estimation is performed around the current search point if the mean difference value of the current search point is smaller than the mean difference values of the neighboring search points. On the other hand, motion estimation is performed based on the mean difference values of at least some of the neighboring search points if the mean difference value of the current search point is not smaller than the mean difference values of at least one the neighboring search points. The motion estimation method of the present invention does not deteriorate the quality of pictures during image compression in contrast to conventional motion estimation methods and enhances image compression speed by reducing remarkably computational complexity.
Owner:SAMSUNG ELECTRONICS CO LTD
Communication information display method and mobile terminal
InactiveCN102857608AAvoid matching problemsImprove experienceCurrent supply arrangementsCalling susbscriber number recording/indicationContact listNumber Type
The invention provides a communication information display method and a mobile terminal. The method includes: a first mobile terminal determines the number types of a second mobile terminal requesting communication with the same, wherein the number types include a long mobile terminal number and a short virtual network number; the first mobile terminal matches the number of the second mobile terminal with contact list information of the first mobile terminal by adopting a mode corresponding to the number type; and the first mobile terminal displays communication information of the second mobile terminal according to a match result. By the communication information display method and the mobile terminal, the problem that terminal user information of the short virtual network number cannot be displayed during request communication in the related technology is solved, and accordingly flexibility of the mobile terminal in communication information display is improved, and user experience is improved beneficially.
Owner:ZTE CORP
An intelligent tour guide system
The invention discloses an intelligent tour guide system, relating to the field of an intelligent robot and greatly facilitating traveling of pedestrians, and the system comprises a man-machine interaction module, a path planning module, a control system, a voice interaction module, a face recognition module and a driving module. The input ends of the man-machine interaction module are respectively connected with the output ends of a voice receiving module, an image collecting module and an information input module. The input end of the man-machine interaction module is connected with the information storage module, the output end of the man-machine interaction module is connected with a control system, the input end of the control system is connected with a path planning module, the pathplanning module is connected with a satellite navigation module, the information storage module is connected with a computer, and the information storage module and the control system are connected with each other. The invention can confirm the name and the location of the scenic spot, and further plan the route, meanwhile, can store the matching error scenic spot and the planning error route, andfurther continuously improve.
Owner:江苏派远软件开发有限公司
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