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214 results about "Matrix expression" patented technology
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Matrix-type display device
InactiveUS20030058229A1Increase the number ofLarge and more construction can be suppressedCathode-ray tube indicatorsNon-linear opticsMatrix expressionDisplay device
A matrix-type display device includes a data generating circuit 102 for multiple scans for inserting blanking data to image data for one frame period of an image, and a timing controlling circuit 103 for multiple scans for generating clocks used by a gate line drive circuit 104 for scanning lines of a display element array 107 such that the image data and the blanking data can be displayed in one frame period. Here, the gate line drive circuit 104 simultaneously scans multiple lines adjacent to each other as a bundle. According to this configuration, the larger and more complicated construction can be suppressed, which can also suppress the image deterioration due to blurred moving picture.
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
Propagation path estimation method and apparatus
InactiveUS20060013326A1Suppress background noiseAccurate estimateSimultaneous amplitude and angle modulationAmplitude-modulated carrier systemsDiscriminatorAs element
In estimating propagation path in an OFDM receiver in an OFDM communication system, a CIR estimation unit estimates a group of impulse responses of a propagation path, a valid-impulse discriminator selects impulse responses (CIR), which are greater than a predetermined threshold value, from the impulse-response group, and a propagation path estimation unit generates a matrix expression using a CIR estimation vector that includes the selected CIRs as elements, a matrix S, which is decided based upon number N of points of an IFFT used in OFDM modulation and number Nc of subcarriers used in actual transmission, and a propagation-path response vector, obtains the propagation-path response vector by solving this matrix expression and estimating the propagation path.
Owner:FUJITSU LTD
Matrix-type display device
InactiveUS20070085794A1Suppress large and more complicated constructionPrevent image degradationCathode-ray tube indicatorsNon-linear opticsScan lineMatrix expression
A display device includes a display panel having display elements, arranged in a matrix, a drain driver which supplies gradation voltages corresponding to image data to the display elements, a gate driver which scans lines of the display elements for supplying the gradation voltage, and a data generation circuit which divides image data for one frame into a plurality of pieces of sub-field image data in a time direction. The data generation circuit operates to convert one piece of sub-field image data into bright gradation data which has a higher brightness than the inputted image data which has been inputted, and to convert another piece of sub-field image data into dark gradation data which has a lower brightness than the inputted image data.
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
Matrix type two-dimensional bar code and its encoding and decoding method
InactiveCN1801188AImprove securityAny size can be adjustedRecord carriers used with machinesDecoding methodsPartition of unity
The invention discloses a matrix two-dimensional bar code and coding and decoding method, which is characterized by the following: the code graph of bar code is composed of gapless arrangement ní‡m rectangle unit information blocks, wherein m and n is positive integral more than 1; n is different from or the same as m; each rectangle unit information block is composed of gapless arrangements n'í‡m' of different optical characters with two rectangle colorful blocks, wherein n' and m' is positive integral more than 1; n' is different from or the same as m'; each rectangle unit information block contains location ID character and data region; the shape of ID character displays L type or inversed L type along two adjacent edges of rectangle unit information block frame. The bar code contains the following characters: large capacity, high error-correcting rate, high pollution-proof and distortion-proof ability, multiple language editing codes, separating coding and decoding code, random scale adjustment and omnibearing recognizing, which can be applied in multiple domains.
Owner:冯文伦
Novel array-type two-dimension code encoding and decoding methods
InactiveCN102999772ANeatly distributedClear structureRecord carriers used with machinesGraphicsMatrix expression
The invention relates to novel array-type two-dimension code encoding and decoding methods. The encoding method includes converting information codes into data codes; generating error-correcting codes; calculating dimension parameter of symbols of two-dimension codes; generating view finding graphics, correcting graphics and auxiliary correcting graphics and setting the same in a rectangular area; setting functional information into the rectangular area; and setting the data codes and the error-correcting codes into the rectangular area. The decoding method includes preprocessing images of two-dimension codes; finding view finding images in the symbols of the two-dimension cods; acquiring version number, error correcting grade and mask information; acquiring information of the data codes and the error-correcting codes; removing mask; correcting to obtain recovered data codes; and converting data codes into information codes. The novel array-type two-dimension code encoding and decoding methods are reasonable in design, increase compactness of the symbols of codes, so that more effective data can be accommodated in a limited symbol area as much as possible. Further, reading speed and damaged resistance capacity are improved, and decoding efficiency is improved.
Owner:韩偲铭
Power-to-gas multi-source energy storage type microgrid day-ahead optimal economic dispatching method
InactiveCN106372742AIncrease profitReduce the amount of abandoned airForecastingAc network load balancingMicrogridEnergy absorption
The invention discloses a power-to-gas (P2G) multi-source energy storage type microgrid day-ahead optimal economic dispatching method. The method comprises the steps of building a P2G multi-source energy storage type microgrid model by performing modeling on a P2G multi-source energy storage type microgrid by adopting an energy concentrator method, establishing a supply side matrix expression, a conversion component matrix expression and a load side matrix expression, simultaneously establishing a supply side matrix, a conversion component matrix and a load side matrix, and obtaining a matrix expression of an energy relationship of the P2G multi-source energy storage type microgrid; and establishing a day-ahead P2G multi-source energy storage type microgrid economic dispatching model, which comprises target functions, component models and constraints. According to the method, a second microgrid is added to a power storage and heat storage device on the basis of a first microgrid, so that the wind curtailment amount is slightly reduced, the system cost is also reduced, and the advantages of multi-source energy storage are reflected; and a third microgrid is added to a P2G device, so that the wind curtailment amount is greatly reduced, the utilization rate of a fan is increased to a great extent, and the unique advantages of the P2G multi-source energy storage in the aspect of wind energy absorption are proved.
Owner:TIANJIN UNIV
Matrix-type display device
InactiveUS7161576B2Suppress large and more complicated constructionPrevent image degradationCathode-ray tube indicatorsNon-linear opticsMatrix expressionDisplay device
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
Multi-region asynchronous coordination dynamic economic dispatching method based on robustness tie line plan
ActiveCN106327091ATake advantage ofFast convergenceResourcesSystems intergating technologiesElectricityMatrix expression
The invention relates to a multi-region asynchronous coordination dynamic economic dispatching method based on a robustness tie line plan, and belongs to the technical field of operation and control of a power system. The method comprises the steps of firstly, establishing a multi-region asynchronous coordination dynamic economic dispatching model based on a robustness tie line plan in consideration of wind power uncertainty, wherein the established model is a two-phase robustness optimization model, and the model is composed of a target function and a constraint condition; and then converting the established multi-region asynchronous coordination dynamic economic dispatching model into a matrix expression, solving the model by adopting a solution algorithm based on a constraint-column generation method, and performing economic dispatching by using the result. The peak-load regulating capacity of different regions of a grid is sufficiently developed in consideration of wind power uncertainty, so that the method adapts to quick fluctuation of wind power and can effectively reduce abandoned wind.
Owner:TSINGHUA UNIV
Matrix type data caching method and device based on WEB application
InactiveCN101169790AReduce trafficReduce the number of reads and writesSpecial data processing applicationsFormation matrixWeb application
The invention discloses a matrix form data caching method based on WEB application and a device thereof. The method comprises equipping a caching server for caching the read date from a database server according to a request from a portal server; performing object / relation mapping to the cached date to obtain persistent data; building indexes for the persistent data using Hash table to form a matrix form data structure; and providing access interface by the caching server according to the indexes. The invention obtains high efficiency with low cost, reduces the mutual communization of the WEB application server and database server, and reduces I / O read-write times of disk. The data is persistent. The invention enriches data searching manner, and provides very flexible interface and method for sequencing, accounting and other functions using these indexes.
Owner:ZTE CORP
Built-in self-capacitance touch display panel and manufacturing method thereof
ActiveCN105094486AReduce drive costsRealize embedded self-capacitance touch functionNon-linear opticsInput/output processes for data processingCapacitanceComing out
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
MIMO communication device
InactiveUS20100120379A1Maintenance characteristicSpatial transmit diversityModulated-carrier systemsMatrix expressionMimo communication
Provided is a MIMO communication device which can maintain the MIMO communication characteristic at a certain level regardless of the device installation position. The MIMO communication device (100) includes antenna elements (101-1, 101-2) as a first and a second antenna element which are arranged on a single straight line and an antenna element (102-1) or an antenna element (102-2) as a third antenna element which is arranged out of the straight line. A MIMO modulation unit (105) is connected to all the antenna elements. This assures that there exists a combination of antennas having other than 0 as a matrix expression of a channel estimation matrix in a propagation path between the MIMO communication device (100) and the communication partner regardless of the installation position of the MIMO communication device (100) with respect to a communication partner. As a result, it is possible to realize the MIMO communication device which can maintain the MIMO communication characteristic at a certain level or above regardless of the device installation position.
Owner:PANASONIC CORP
Blue phase liquid crystal display device and production method thereof
InactiveCN104714344AReduce the driving voltageAvoid weakeningNon-linear opticsMatrix expressionEngineering
The invention provides a blue phase liquid crystal display device and a production method thereof, relating to the technical field of display. The blue phase liquid crystal display device is used for lowering driving voltage of the blue phase liquid crystal display device. A blue phase liquid crystal display device comprises multiple pixel units which are arranged in a matrix manner, a first substrate and a second substrate which are oppositely arranged as well as a blue phase liquid crystal layer arranged between the first substrate and the second substrate, wherein each pixel unit comprises a first bulge arranged on the first substrate, a pixel electrode covering the first bulge, a second bulge arranged on the second substrate and a common electrode covering the second bulge, the first bulge extends along a first direction, the second bulge extends along a direction opposite to the first direction, the first bulge and the second bulge are arranged in a staggering manner in a second direction, the first direction and the second direction are vertical, and a plane determined by the first direction and the second direction is parallel to the first substrate. The blue phase liquid crystal display device is used for displaying an image.
Owner:HEFEI BOE OPTOELECTRONICS TECH +1
Cofocal microscope, fluorescence measuring method and polarized light measuring metod using cofocal microscope
InactiveCN1692296AReduce intermodulation interferenceHigh-resolutionPolarisation-affecting propertiesRecombinant DNA-technologyMatrix expressionFluorescent light
The present invention relates to a confocal microscope and the measuring methods of fluorescence and the polarized light using the same, and said confocal microscope is provided with the inlet optical part ( 10, 10 ') to let the polarized light from an illuminating light source ( 11 ) onto an object to be observed ( 2 ) via a matrix type liquid crystal device ( 22 ) provided with a microlens array ( 21 ) on its top part, and an objective lens ( 23 ), the light detecting part ( 30, 30 ') to detect the reflected or the fluorescent light from the object to be observed, and the liquid crystal control subpart ( 52 ) to control a liquid crystal device ( 22 ), and it transmits the light passing through said microlens array ( 21 ) from each microlens to each pixel ( 22 a) of the liquid crystal device ( 22 ), and makes a plurality of foci ( 24 ) on the object to be observed ( 2 ) by the objective lens ( 23 ), as well as controls polarization directions of the lights transmitted through each pixel of the liquid crystal device ( 22 ) using the liquid crystal control subpart ( 52 ) so that they are made mutually orthogonal.
Owner:JAPAN SCI & TECH CORP
infrared and visible light image fusion method based on ADC-SCM and low-rank matrix expression
PendingCN109801250AEasy to keepFusion results without distortionImage enhancementImage analysisImaging processingImage fusion algorithm
The invention discloses infrared and visible light image fusion method based on ADC-SCM and low-rank matrix expression, relating to the technical field of image processing.. The fusion method combinesadaptive dual channel pulsed cortex (ADC-SCM) and low rank matrix (LRR) theory to propose an effective infrared and visible image fusion algorithm. According to the fusion method, an effective infrared and visible light image fusion algorithm is provided by combining an adaptive double-channel pulse distribution cortex (ADC-SCM) and a low-rank matrix (LRR) theory; The method comprises the following steps: firstly, combining low-rank expression with a frequency modulation (FT) saliency algorithm to carry out salient region detection on an infrared source image, thereby separating a salient region from a background region in the source image; Secondly, fusing the two obtained regions respectively, and selecting a fusion rule with the maximum absolute value to fuse the significant regions inorder to retain the significant features to the maximum extent; And finally, obtaining a fused background through NSST inverse transformation, and superposing the fused salient region and the fused background region to obtain a final fused image. Experimental results show that the algorithm provided by the invention is superior to other common image fusion algorithms in subjective visual effect and objective evaluation indexes.
Owner:YUNNAN UNIV
Image enhancement method implemented through histogram equalization
InactiveCN102930517ADark details are richConsistent brightnessImage enhancementMatrix expressionMATLAB
The invention discloses an image enhancement method implemented through histogram equalization. The method comprises the following steps: a digital image required to be enhanced is input into the MATLAB software so as to obtain a matrix expression f (m, n); then, the average brightness value Y of the image f (m, n) is calculated, and the maximum value Kmax and minimum value Kmin of gray values K of pixels in all pixels of the image f (m, n) are calculated; according to the Kmax, the Kmin and the Y, an original image is divided into two subimages in gray intervals [Kmin, Y] and [Y, Kmax], and the average brightness values Y1 and Y2 of the two subimages in the gray intervals of [Kmin, Y] and [Y, Kmax] are calculated, and finally, the original image is divided into subimages in gray intervals [Kmin, Y1], [Y1, Y], [Y, Y2] and [Y2, Kmax]; and according to the gray value K of each pixel in the original image f (m, n), carrying out histogram equalization through a histogram equalization formula of a gray interval at which the pixel is located; and then a brightness preservation based enhanced image is output, wherein the output enhanced image is good in effect.
Owner:JIANGSU UNIV OF TECH
Matrix two-dimensional code coding method and decoding method
PendingCN107545289AReduce in quantityStrong interleaving abilityError detection onlyRecord carriers used with machinesComputer hardwareInformation storage
The invention provides a matrix two-dimensional code coding method and decoding method. The method comprises steps that an information code is converted into a data code; a corresponding error correction code is generated according to a selected error correction grade and an error correction mode; a two-dimensional code symbol dimension parameter is calculated; a default unit, a column odd-even check unit, a row odd-even check unit, a CRC verification unit, an information storage unit and a view finding graph are generated, the function information is converted into a binary system data bit flow according to a preset coding mode, a rectangular area is set, and a two-dimensional code is generated. The method is advantaged in that the column odd-even check unit, the row odd-even check unit and the CRC verification unit are set through a matrix two-dimensional code to verify the information stored in the two-dimensional code, interlacing ability is strong, mistakes in certain forms can becorrected, no correction graph is needed, the quantity of bar codes is small, the data coding mode is simple, coding and decoding efficiency is high, and the redundancy information is little.
Owner:闫河
Output-only linear time-varying structure modal parameter identification method
ActiveCN106354695ABroad application prospectsExtensive benefitsComplex mathematical operationsStructural dynamicsMatrix expression
The invention discloses an output-only linear time-varying structure modal parameter identification method and belongs to the technical field of structural dynamics. Firstly, a cost function of a least squares support vector machine vector time-varying autoregressive model is deduced; secondly, a function space is built by means of a Wendland compactly supported radial basis function; a regular factor is determined through the non-parameter method based on Gamma testing, and a basis function width reduction coefficient is given on the basis of actual experiences; a time-varying autoregressive model order is determined according to the Bayesian information criterion and the Akaike information criterion; a function space order is determined according to the ratio of residual sum of squares to sequence sum of squares; finally, the matrix expression of the least squares support vector machine vector time-varying autoregressive model is solved according to the cost function, modal frequency of a system is solved according to a time freezing method, and linear time-varying structure modal parameter identification is finished. The method can improve calculation efficiency, improves system robustness, and is widely used in linear time-varying structure modal identification in structural dynamic engineering application.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Image processing apparatus and method of same
InactiveUS7256781B2Easy to operateRich expressive ability3D-image rendering3D modellingReflectivityMatrix expression
An image processing apparatus for finding reflectivity based on a BRDF model expressing a ratio of reflection of light incident upon one point of a surface of an object to be drawn at the object surface, the image processing apparatus having an operation unit for calculating the reflectivity based on a BRDF model calculated by a quadratic-form matrix expression including a vector comprised of a light source direction vector, a viewpoint direction vector, and a normal direction vector and a matrix determining the characteristics of the BRDF model, thereby able to achieve both a variety of expression power and good operation efficiency when mounted in a programmable pixel shader and further having enough of a compactness to easily cope with a shift-variant BRDF, and a method of the same.
Owner:SONY CORP
Characteristic parameters scaling system for liquid crystal phase variable delay device
InactiveCN101464576AImprove calibration accuracyConstant incident light intensityTesting optical propertiesNon-linear opticsOptical power meterPhase retardation
The invention relates to a characteristic parameter calibrating system for a liquid crystal variable retarder (LCVR), which comprises a tunable ion laser, an achromatic wave plate, a polarizer, an analyzer, an electric control cabinet, an LCVR driver, an optical power meter and a computer. When light vertically radiates the liquid crystal variable retarder, the drive voltage of the liquid crystal variable retarder is modulated continuously to obtain a corresponding light intensity curve diagram; the Mueller matrix expression of the calibrating system is established by utilizing maximum light intensity value in the curve diagram and light intensity value under measured voltage to obtain the phase delay expression of the liquid crystal variable retarder under the measured voltage; when the light does not vertically radiate the liquid crystal variable retarder, the angles of the polarizer and the analyzer are modulated; and a Stokes vector expression is established by utilizing light intensity value detected under different adjusting states to obtain the phase delay and fast axis direction expression of the liquid crystal variable retarder under specific voltage. The invention has the capacity of calibrating the characteristic parameters of the liquid crystal variable retarder. When the light vertically radiates, the polarizer and the analyzer are not required to be rotated during the calibrating process; and when the light does not vertically radiate, constant incident intensity is ensured during the calibrating process by utilizing the achromatic wave plate, so that the calibration accuracy is improved.
Owner:BEIHANG UNIV
Particle swarm optimization manufacturing system double-target production scheduling method based on bionic strategy
InactiveCN110598941AFast convergenceAvoid premature convergenceForecastingArtificial lifeInformatizationDecision taking
The invention discloses a particle swarm optimization manufacturing system double-target production scheduling method based on a bionic strategy, and the method comprises the steps: firstly building amixed flow shop scheduling mathematic model, and determining a scheduling process constraint condition and a target function needing to be solved; proposing particle encoding and decoding based on matrix expression; proposing a speed updating rule based on a hormone regulation mechanism; and proposing a particle swarm optimization algorithm based on a bionic strategy, solving the workshop scheduling model and obtaining a scheduling scheme. The invention provides a particle swarm optimization manufacturing system double-target production scheduling method based on a bionic strategy. Accordingto the system, resource arrangement, capacity balance, quality management, cost and delivery time of enterprises can be controlled, problems on a production line are analyzed and explored, correct technology and management decisions are made for informatization, standardization and automatic construction of the enterprises, and therefore the operation efficiency of the manufacturing enterprises isimproved, and benefits are obtained to the maximum extent.
Owner:HOHAI UNIV CHANGZHOU
Dot-matrix two-dimensional code coding and decoding
InactiveCN105279539AOvercome deficienciesRecord carriers used with machinesSensing by electromagnetic radiationDot matrixMatrix expression
The invention belongs to the technical field of information storage and identification, and provides a two-dimensional code coding and decoding scheme. A dot-matrix two-dimensional code is a matrix two-dimensional code formed by solid dots and blank dots which are arranged according to a two-dimensional matrix mode. The dot-matrix two-dimensional code is composed of a head border area, a tail border area, a start area, an end area and a data area. The data area is arranged in the middle position of the two-dimensional code. The head border area is arranged at the upper end of the data area, the tail border area is arranged at the lower end, the start area is arranged at the left side and the end area is arranged at the right side. The dot-matrix two-dimensional code is suitable for coding machine and printing output so that a problem that the two-dimensional code is not suitable for automatic assembly line output can be solved.
Owner:王树敏
Matrix type biochip CCD scanning fetch device
InactiveCN1580746ASimple structureDoes not affect image qualityEmission spectroscopyBiological testingFluorescenceOpto electronic
This is a matrix pattern biological chip scanning reading device. It comprises stimulating-photon system, the releasing fluorescence collective subsystem, the X-Y scanning terrace sup system and the testing sub system. The stimulating photon system produce the single color even stimulated light shining field. The matrix pattern biological chip be carried on X-Y scanning terrace sub system, and be placed in the single color even stimulated light shining field, and be driven by the X-Y scanning terrace sub-system to finish whole scanning reading course. The releasing fluorescence collective sub system collect and separate after stimulated matrix pattern biological chip transmitted fluorescence picture, then exchange this picture into electrical signal and store, display it. This invention outstanding features is to use the infinitive non-copolymerizated focusing light pass way to simplify the structure. The CCD is photo-electrical exchanger can raise the exchange efficiency 50-60% and as between the stimulated light way and testing light way is 30 degree angle, reduce the noise of background. This invents suits with the sample's diameter 75-500mu meter matrix pattern biological chip.
Owner:BEIHANG UNIV
Matrix type two-dimensional code and encoding method and decoding method thereof
ActiveCN104636780AReduce in quantityStrong error correction abilityRecord carriers used with machinesError checkData information
The invention discloses a matrix type two-dimensional code and an encoding method and a decoding method thereof. The matrix type two-dimensional code comprises a matrix, wherein the matrix consists of N*N modules and comprises a data area and a finder pattern, the data area is used for storing data information, the finder pattern is arranged around the data area, the data area comprises a default module, a line odd-even check unit, a row odd-even check unit and a CRC (cyclic redundancy check) unit, the default module is arranged at a vertex of the data area, the line odd-even check unit comprises N-3 line odd-even check bits for storing line odd-even check codes, the row odd-even check unit comprises N-3 row odd-even check bits for storing row odd-even check codes, the CRC unit comprises eight CRC bits for storing CRC codes, and an information storage unit comprises a plurality of information bits for storing the data information. The matrix type two-dimensional code has the advantages that the error checking capability is high, some types of errors can be corrected, a correction pattern is not needed, the number of bar code modules is fewer, the data encoding mode is simple, the encoding efficiency is high, and the number of redundancy information is fewer.
Owner:SHENZHEN MINDE ELECTRONICS TECH
Driving system for matrix type backlight module
ActiveUS20070132708A1Quality improvementDrive fastStatic indicating devicesMatrix expressionLight spot
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
Real-time gesture control method of three-dimensional images
ActiveCN104391578ARealize real-time gesture controlHigh precisionInput/output for user-computer interactionImage data processingMatrix expressionThree-dimensional space
The invention discloses a real-time gesture control method of three-dimensional images. The method includes the steps of arranging a plurality of range sensors according to a matrix in any spatial plane of a three-dimensional space corresponding to a three-dimensional image; using one of the range sensors as an origin of coordinates, using the matrix as plane coordinate axes, namely an axis X and an axis Y, using a detection height of the range sensors as an axis Z, and constructing a three-dimensional coordinate system; allowing the range sensors to capture motion paths of gestures; allowing the range sensors at the corresponding positions to feed the three-dimensional coordinate data of the positions back to an analytic module, allowing the analytic module to perform fitting to obtain a gesture motion path curve, allowing a processing module to recognize gesture motion paths and send out an execution command, and allowing an execution module to execute the execution command. The method has the advantages that the matrix range sensors in the tree-dimensional space of the three-dimensional image help improve sensing precision, the range sensors track motion paths of the gestures, and real-time gesture control is achieved for the three-dimensional image.
Owner:重庆蓝岸科技股份有限公司
Touch control display device and driving method of touch control display device
InactiveCN104216561AImprove uniformitySolve agingStatic indicating devicesNon-linear opticsMatrix expressionSignal on
The invention provides a touch control display device and a driving method of the touch control display device, wherein the touch control display device comprises a plurality of public electrodes in matrix arrangement and a driving chip, wherein the public electrodes are divided into W groups, each group comprises M line of public electrodes, and each line comprises N public electrodes, wherein the W is greater than or equal to 2, the M is greater than or equal to 1, and the N is greater than or equal to 1; the driving chip is used for exerting touch control driving signals on a group of public electrodes line by line in the touch control time period of the current frame and exerting the touch control driving signals on one group of public electrodes line by line in the touch control time period of a next frame, wherein the public electrodes of the touch control driving signals exerted in the touch control time periods of the current frame and the next frame do not belong to one group. The touch control display device and the driving method provided by the invention have the advantages that the touch control driving on the public electrodes in different regions in the adjacent touch control time periods can be realized, the display uniformity is improved, and the problem that liquid crystal molecules easily age is solved.
Owner:BOE TECH GRP CO LTD +1
Automatic Go notation method based on video recognition technology
ActiveCN107506701AEliminate distractionsSimplify the amount of image processingCharacter and pattern recognitionFrame differenceAmbulatory
The invention provides an automatic Go notation method based on a video recognition technology. The method comprises the steps that 1) according to initializing, a camera is used to acquire a raw image including the entire blank chessboard and an additional four-corner positioning mark as an original frame; 2) according to chessboard positioning, the four-corner positioning method of the rectangular-ambulatory-plane positioning mark is used to carry out chessboard positioning on the original frame to acquire the specific position coordinates of 361 points of the Go chessboard in the image; 3) according to frame taking calculation, videos acquired by the camera are taken out at the speed of 10 frames per second and undergo image processing one by one, and a matrix frame difference determining method is used to determine the drop point change status of the chessboard; and 4) a chess manual file is generated. The method can effectively remove irrelevant image interference around the chessboard, and greatly simplifies the image processing capacity. The matrix frame difference determining method is used, so that the image after four-corner positioning and cutting can determine the drop point status of the chessboard by determining the frame difference of the entire image.
Owner:LIAONING ZHONGXIN AUTOMATIC CONTROL
An image classification method based on octal convolution neural network
ActiveCN109086802AImprove classification accuracyCharacter and pattern recognitionNeural architecturesStatistical classificationMatrix expression
The invention discloses an image classification method based on an octal convolution neural network. Firstly, a training image is input and is expressed as an octal matrix. Secondly, the octuple convolution neural network is established and trained to get the network parameters of each layer, that is, the training model. Then, the calibration image set is used to calibrate and adjust to the optimal network parameters. Finally, the test images are tested, the classification results are counted, and the recognition rate is calculated. The octal convolutional neural network constructed by the invention preserves the internal structure of the image by using the octal matrix expression mode, so that in various classification tasks, the constructed network can obtain higher classification accuracy rate of the image compared with the traditional method.
Owner:SOUTHEAST UNIV
Method for obtaining intermediate resonance factor in reactor multigroup nuclear database
ActiveCN106202868AAccurate multi-group absorption cross sectionAccurate Intermediate Resonance FactorInformaticsSpecial data processing applicationsResonanceMatrix expression
The invention relates to a method for obtaining an intermediate resonance factor in a reactor multigroup nuclear database. On the basis of a free gas model, a continuum energy neutron scattering matrix expression Sigma<r, s, T> (E->E') of the resonance absorption nuclide relevant to the temperature TK is obtained through formula derivation; a neutron slowing down equation is solved on the basis of the continuum energy neutron scattering matrix at the temperature TK to obtain the neutron-flux density at the temperature TK; the multigroup adsorption cross section of the resonance absorption nuclide at the temperature TK is further worked out through group merging calculation; the intermediate resonance factor is finally obtained through the intermediate resonance factor calculation; and an intermediate resonance factor multinomial coefficient using the temperature and the background cross section as independent variables is obtained by a least squares fitting method. The method provided by the invention has the advantages that the intermediate resonance factor after the intermediate resonance factor calculation is more accurate; the calculation precision and the calculation efficiency of the intermediate resonance factor are improved; and finally, in the reactor physical calculation, the resonance calculation precision is improved, and the resonance calculation speed is accelerated.
Owner:XI AN JIAOTONG UNIV
Matrix type touch panel and designing method thereof
The invention discloses a matrix type touch panel and a designing method thereof. The matrix type touch panel comprises a plurality of first sensing electrodes, a plurality of second sensing electrodes, a control circuit and a compensation circuit, wherein the first sensing electrodes are parallel with one another and provided with a first end and a second end respectively; the second sensing electrodes are parallel with one another; the extending direction of the second sensing electrodes is vertical to the extending direction of the first sensing electrodes; the second sensing electrodes are provided with a third end and a fourth end respectively; the compensation circuit is connected to the control circuit, the first and second ends of the first sensing electrodes and the third and fourth ends of the second sensing electrodes; and the compensation circuit is used for making a plurality of first impedance values from the first ends to the control circuit equal, making a plurality of second impedance values from the second ends to the control circuit equal, making a plurality of third impedance values from the third ends to the control circuit equal and making a plurality of fourth impedance values from the fourth ends to the control circuit equal.
Owner:WINTEK CORP +1
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