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58results about How to "Reduce computational processing" patented technology
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Apparatus and method for processing video data
ActiveUS20060233448A1Improve robustnessImprove comprehensive applicabilityImage enhancementImage analysisFeature extractionComputer graphics (images)
An apparatus and methods for processing video data are described. The invention provides a representation of video data that can be used to assess agreement between the data and a fitting model for a particular parameterization of the data. This allows the comparison of different parameterization techniques and the selection of the optimum one for continued video processing of the particular data. The representation can be utilized in intermediate form as part of a larger process or as a feedback mechanism for processing video data. When utilized in its intermediate form, the invention can be used in processes for storage, enhancement, refinement, feature extraction, compression, coding, and transmission of video data. The invention serves to extract salient information in a robust and efficient manner while addressing the problems typically associated with video data sources
Owner:EUCLID DISCOVERIES LLC
Data transmission via multi-path channels using orthogonal multi-frequency signals with differential phase shift keying modulation
ActiveUS9197470B2Reduce circuit complexityReduce computational processingSecret communicationPhase-modulated carrier systemsDifferential quadrature phase shift keyingEngineering
Owner:INNURVATION
Public key encryption with digital signature scheme
InactiveUS7707420B1Mitigate such drawbackReduce computational processingPublic key for secure communicationUser identity/authority verificationDigital signatureDigital signature forgery
An improved encryption and digital signature system and method in accordance with the invention reuses an encryption ephemeral key pair from an encryption process in a digital signature process. The reuse of the encryption ephemeral key pair in the digital signature process advantageously results in reduced byte size of the digital signature and reduction of costly computation overhead. In a preferred embodiment, the invention is based on the El Gamal encryption scheme and the Nyberg-Rueppel signature scheme. The present invention is particularly useful for operation in conjunction with small communication devices having limited processing and storage, wherein such devices may communicate via bandwidth sensitive RF links.
Owner:MALIKIE INNOVATIONS LTD
Automatic parking space locking method and system based on video license plate detection
ActiveCN104299416AReduce computational processingSmall amount of calculationIndication of parksing free spacesParkingsAutomatic controlParking space
The invention provides an automatic parking space locking method and system based on video license plate detection, and belongs to the technical field of automatic control. The system comprises a front-end device, control devices, parking space locks and a management device. According to the automatic parking space locking method, control ability of the control devices is reported, the front-end device distributes packing spaces for the control devices, and accordingly connection between the front-end device and the control devices is achieved; the front-end device collects video images of the parking spaces, recognizes parking space numbers and carries out periphery detection to judge whether vehicles come in or leave, and the segmented video images are sent to the control devices for license plate recognition; the control devices recognize license plates and compares the license plates with license plates of vehicles allowed to be parked, if the license plates are matched, the parking space locks are controlled to be unlocked, and accordingly automatic control of the parking space locks is achieved. By means of the method and system, automatic locking of the parking space locks is achieved on the basis of the video images, calculation amount in image reorganization and processing can be effectively reduced, and a system is stable and effective.
Owner:ZHEJIANG UNIVIEW TECH CO LTD
Night vision image salient contour extracting method based on non-classical receptive field composite modulation
The invention discloses a night vision image salient contour extracting method based on non-classical receptive field composite modulation. A multi-scale iterative noticing method is constructed according to a non-classical receptive field composite modulation model, the scale factor of non-classical receptive field composite modulation is dynamically changed in the iterative process, and a composite modulation result of an input night vision image is calculated. In each step of the iterative process, for each pixel of the input image, a multi-dimensional feature contrast MFC weighted inhibition model is adopted to calculate an inhibition result of each pixel first, then, a facilitation result of each pixel is calculated based on a grouping excited voting GEV facilitation model, and finally, non-classical receptive field composite modulation output is obtained. By adopting the method of the invention, the problem of noise and texture suppression in low-light and infrared images and the problem of contour discontinuity caused by imaging characteristics, environment inhibition and noise interference are solved.
Owner:NANJING UNIV OF SCI & TECH
Motion space presentation device and motion space presentation method
ActiveUS8731276B2Reduce computational processingEasily-recognizedProgramme controlImage enhancementMotion spaceImage capture
A motion space presentation device includes: a work area generation unit configured to generate a three-dimensional region in which the movable robot operates; an image capture unit configured to capture a real image; a position and posture detection unit configured to detect an image capture position and an image capture direction of the image capture unit; and an overlay unit configured to selectively superimpose either an image of a segment approximation model of the movable robot as viewed in the image capture direction from the image capture position, or an image of the three-dimensional region as viewed in the image capture direction from the image capture position, on the real image captured by the image capture unit, according to the difficulty in recognizing each image.
Owner:PANASONIC CORP
Detection and identification of stable PRI patterns using multiple parallel hypothesis correlation algorithms
ActiveUS20050033789A1Reduce computational processingReduce data volumeWave based measurement systemsComplex mathematical operationsLimited resourcesHypothesis
An algorithmic approaches that can be implemented in software / firmware / hardware that filters out stable PRI patterns detected within a system that is prosecuting against radar based transmissions are disclosed. The algorithms allow downstream computing assets to concentrate their limited resources on the more complex emitter PRI pattern types. Thus, a portion (e.g., stable signals) of the pulse deinterleave and PRI identification problem is solved without requiring the more computationally expensive processing. The disclosed algorithms can be employed, for example, in electronic support measures (ESM) systems, electronic intelligence (ELINT) systems, and / or a electronic countermeasures (ECM) systems. The algorithms employ linear detection, linear regression, or a combination of linear detection and linear regression, thereby providing a “dual voting” scheme that decreases the occurrence of false positives. Other algorithmic approaches can be used as well in a multi-voting scheme that considers PRI estimates from distinct analysis types.
Owner:CALLAHAN CELLULAR L L C
Encoding apparatus and encoding method
InactiveUS20080112486A1Low efficiencyReduce computational processingColor television with pulse code modulationColor television with bandwidth reductionVariable lengthImaging data
The calculation processing amount of encoding processing is reduced while suppressing a decrease in encoding efficiency. An encoding method includes the steps of generating predicted image data from an image of a predetermined reference frame; generating differential image data from a difference between the predicted image data and image data of one frame of the input image data; performing discrete cosine transformation processing and quantization processing for the differential image data for generating encoded image data; performing variable-length encoding processing for the encoded image data for generating an encoded stream; and performing reference frame update determination processing in which a correlation between the image of the reference frame and the image of the one frame is determined for deciding whether or not the one frame is to be used as a new reference frame.
Owner:HITACHI LTD
Public Key Encryption with Digital Signature Scheme
InactiveUS20100174910A1Mitigate such drawbackReduce computational processingKey distribution for secure communicationMultiple keys/algorithms usageDigital signatureDigital signature forgery
An improved encryption and digital signature system and method in accordance with the invention reuses an encryption ephemeral key pair from an encryption process in a digital signature process. The reuse of the encryption ephemeral key pair in the digital signature process advantageously results in reduced byte size of the digital signature and reduction of costly computation overhead. In a preferred embodiment, the invention is based on the El Gamal encryption scheme and the Nyberg-Rueppel signature scheme. The present invention is particularly useful for operation in conjunction with small communication devices having limited processing and storage, wherein such devices may communicate via bandwidth sensitive RF links.
Owner:MALIKIE INNOVATIONS LTD
Video de-noising processing method and device
ActiveCN106303157AReduce noise levelReduce power consumptionTelevision system detailsColor television detailsImage denoisingPixel value difference
The embodiment of the present invention discloses a video de-noising processing method. The method comprises: obtaining the current frame image of the video; when there is an object frame image, performing pixel value difference calculation of the pixel point of the current frame image and the pixel point of the corresponding position in the object frame image, and obtaining the absolute value of the pixel value difference, wherein the object frame image is the frame image outputted after the last one image of the current frame image is subjected to de-noising processing; determining whether the absolute value is larger than a presetting threshold value or not; if it is determined that the absolute value is larger than a presetting threshold value, updating the pixel point of the corresponding position in the objet frame image to the pixel point in the current frame image; and when the current frame image completes the difference calculation of the presetting number of pixel points, outputting the updated object frame image. The present invention further discloses a video de-noising processing device. According to the invention, the technical problem is solved that the video de-noising algorithm cannot satisfy the requirements of low real-time video flow calculation amount and having no delay of a mobile terminal in the prior art.
Owner:GUANGZHOU BAIGUOYUAN NETWORK TECH
Integrated automated testing system based on subsystems
InactiveCN102148719AReduce power consumptionImprove scalabilityData switching networksHigh level techniquesTest objectControl unit
The invention relates to an integrated automated testing system based on subsystems, and is characterized in that a public support system is utilized to perform integration, so that the testing system is divided into the subsystems with different granularities; a communication technology is adopted to realize effective testing and data collection for a plurality of network types; the concept of system on module is adopted in the public support system, so that a central processing unit (CPU), a memory, a storage cell, Flash, an operating system, an IO (Input / Output) and a controlled unit are directly integrated on a hardware module, thus each hardware module constitutes one subsystem which is capable of performing independent operation; the subsystems are incorporated into a common bus by related interfaces, so that each other hardware module in the testing system can carry out interaction with the common bus to realize resource sharing; and among the subsystems, a distributed computing technology is adopted, a plurality of CPUs are cooperated, a plurality of tested objects are subjected to parallel processing, and data is subjected to centralized processing, thus forming the complete automated testing system. The automated testing system has the advantages of low power consumption, miniaturized volume, strong expansion capability and the like.
Owner:NEW SINGULARITY INT TECHN DEV
Systems and methods for physical access control
InactiveUS20210112064A1Improve accuracyReduce computation processingIndividual entry/exit registersTransmissionComputer visionCartography
A system and methods for interpreting a user's movement through space as a passive behavioural biometric is described. Using patterns of user's movement through space, the system detects anomalies in user movement, provides or restricts access to a restricted space without adding extra friction to the user, and generates risk events. An adjacency matrix (i.e., footprint) is generated by analyzing a user's movement through space and creating a weighted directed graph for the user. Anomalies are detected by comparing a user's footprint against the same user's earlier footprint, or the footprints of other users within a group, or the footprints of all other uses in the system.
Owner:BIOCONNECT INC
Selection and insertion of static elements in digital maps
ActiveUS20080215235A1Improve visualizationReduce computational processingInstruments for road network navigationRoad vehicles traffic controlGraphicsNavigation system
A navigation system may display route information that includes a display of the fixtures that are located on or near the route. The fixtures may be selected and inserted into the digital map as graphical objects. The graphical objects may be classified into a class and at least one sub-class. The classification data may be used to select and generate the graphical objects.
Owner:HARMAN BECKER AUTOMOTIVE SYST
Keypoint descriptor generation by complex wavelet analysis
ActiveUS8712158B2Accurate and high quality object identificationGood effectThree-dimensional object recognitionRadiologyComputer software
Owner:ZEBRA TECH CORP
Apparatus and method for processing video data
InactiveCN101536525AHigh expressionReduce computational processingImage analysisImage codingFeature extractionVideo processing
An apparatus and methods for processing video data are described. The invention provides a representation of video data that can be used to assess agreement between the data and a fitting model for a particular parameterization of the data. This allows the comparison of different parameterization techniques and the selection of the optimum one for continued video processing of the particular data. The representation can be utilized in intermediate form as part of a larger process or as a feedback mechanism for processing video data. When utilized in its intermediate form, the invention can be used in processes for storage, enhancement, refinement, feature extraction, compression, coding, and transmission of video data. The invention serves to extract salient information in a robust and efficient manner while addressing the problems typically associated with video data sources.
Owner:EUCLID DISCOVERIES LLC
Personalized commodity recommendation method
ActiveCN109903138AImprove recommendation accuracyImprove accuracyCharacter and pattern recognitionBuying/selling/leasing transactionsPersonalizationData mining
The invention relates to a personalized commodity recommendation method. The method comprises the steps of receiving a commodity search instruction of a user; If the users are classified, calculatingmulti-dimensional average label information preferred by the users, wherein a recommendation model of the users calculates first multi-dimensional attribute information based on the multi-dimensionalaverage label information, calculates the distance between the first multi-dimensional attribute information and second multi-dimensional attribute information of each commodity in the commodity category, and pushes the commodities with the smaller distance to the users; Otherwise, calculating first multi-dimensional average attribute information based on the second multi-dimensional attribute information of the plurality of commodities, and determining a recommendation model suitable for the user based on the first multi-dimensional average attribute information and the recommendation model of each type of users. According to the recommendation method provided by the invention, firstly, users are clustered, and multi-dimensional commodity label information and commodity attribute information are utilized, so that the recommendation accuracy is high; Besides, when the user is a new user, a recommendation model of the new user is formed by utilizing an existing recommendation model through attention transfer learning, so that the cold start problem is solved.
Owner:HUAZHONG UNIV OF SCI & TECH +2
Method for guiding vehicle driving based on parking space monitoring camera shooting
ActiveCN112908016AReduced precision requirementsOvercome precisionIndication of parksing free spacesDriver/operatorImaging processing
The invention discloses a method for guiding vehicle driving based on parking space monitoring camera shooting. A monitoring camera shooting system, a monitoring image processing system, a digital model of a parking lot scene and a vehicle-mounted intelligent terminal are included. Firstly, accurate digital modeling is carried out on a monitored parking space and a surrounding environment, analysis and modeling are carried out on a vehicle entering a monitoring area, then a real-time position relation between the vehicle and the parking space is analyzed and established from a global perspective, and then auxiliary guidance is carried out on operation of a driver.
Owner:NANJING KULANG ELECTRONICS
Parameter identification method of doubly-fed wind power generator
ActiveCN110071667AReduce computational processingImprove accuracyElectronic commutation motor controlGenerator control circuitsRelationship - FatherEngineering
The invention discloses a parameter identification method of a doubly-fed wind power generator, and relates to the field of wind power generation. The parameter identification method comprises the steps of firstly, determining a to-be-identified parameter; secondly, continuously acquiring running data of a doubly-fed wind power generator model at interval, and building a to-be-identified samplingmatrix; thirdly, solving a rough identification vector according to a first solution formula; taking the rough identification vector as a to-be-identified vector of a (N+1)th item in response to sampling items of the running data less than or equal to M; fourthly, solving a fine identification vector according to a second solution formulae in response to the sampling item of the running data larger than M, and taking the fine identification vector as a to-be-identified vector of the (N+1) item; and sending the to-be-identified vector to a doubly-fed wind power generator controller. Previous data is eliminated, so that the calculation processing quantity becomes less; and meanwhile, since a parameter identification system is a gradual-changing system, the father from the current time node,the lower the data accuracy is, the data at the current moment is removed, and the system accuracy is effectively improved.
Owner:中达安股份有限公司
Power system online monitoring system
ActiveCN110389268AImprove estimation accuracyImprove accuracyElectrical testingSystems intergating technologiesData acquisitionMonitoring system
The invention discloses a power system online monitoring system, which relates to the power system and comprises a data acquisition module, an identification matrix determination module, a recursion initialization module, a recursion solving module, a gain impedance splitting module, a fault quantity determination module and a fault grading module; the process comprises the following steps: firstly, obtaining a power supply voltage phasor on each engine node, a load voltage on a load node and a current phasor through sampling; and then, solving a current estimated value of an identification parameter matrix, determining a fault item of the power system, estimating an operation state of the power system, and outputting an alarm prompt. According to the online monitoring system, the previousdata is eliminated, so that the calculation processing amount is reduced; the data far away from the current moment is eliminated, and the system precision is effectively improved.
Owner:福建睿思特科技股份有限公司
Public key encryption with digital signature scheme
InactiveUS8219819B2Mitigate such drawbackReduce computational processingPublic key for secure communicationUser identity/authority verificationDigital signatureByte
Owner:MALIKIE INNOVATIONS LTD
Synchronous timing calibrating circuit and method
InactiveCN1364005AReduce computational processingNarrow window widthSynchronisation arrangementCode division multiplexEngineeringWindow Width
Means (108) for judging an amount of deviation compares correlation values from respective correlating devices 1051 to 1058 with one another to detect a deviation amount and a deviation direction of a frequency central value currently set from a synchronization timing at which the maximum correlation value can be obtained and outputs a window position changing signal to window moving means 107. The window moving means 107 performs a change of the central frequency value of a window width on the basis of the window position changing signal from the deviation amount judging means 108. When the correlation value maximum timing moves from the central frequency due to an AFC error, the position of the window itself is moved corresponding to the movement of the correlation value maximum timing so that the correlation value maximum timing is prevented from deviating from the window even when the window width is made narrow.
Owner:NEC ELECTRONICS CORP
Wireless communication system using selective mapping for memory-less demodulation and related methods
ActiveUS20100150261A1Reduce computational processingSoft generationFrequency-modulated carrier systemsPhase-modulated carrier systemsCommunications systemPhase shifted
A wireless communication system may include a first wireless communications device, and a second wireless communications device. The first wireless communications device may include a wireless transmitter, and a modulator coupled to the wireless transmitter for modulating input data to generate a Gaussian phase shift keyed signal having a selected data symbol mapping. The second wireless communications device may include a wireless receiver, and a demodulator coupled to the wireless receiver for demodulating the Gaussian phase shift keyed signal using memory-less symbol decisions based upon the selected data symbol mapping.
Owner:HARRIS GLOBAL COMM INC
Performance tuning at CM loader program while replicating EQP list for IBM SiView
InactiveUS20050097144A1Improve performanceQuickly perform analysisDigital data processing detailsError detection/correctionRelational databasePerformance tuning
A method and system for improving performance at a central monitor loader program when replicating data between relational databases. Benefits include improved generating speed, near real-time synchronization between source and target databases, and independence from source data volume. The concept of Delete Changed First effectively deletes outdated data records by obtaining a list of changed records using time and date stamp analysis and inserting updated records into target data. Database problem determination and maintenance are made easier as a result of this new method.
Owner:TAIWAN SEMICON MFG CO LTD
Reducing system downtime during memory subsystem maintenance in a computer processing system
InactiveUS20170046212A1Reduces downtimeReduce computation processingInput/output to record carriersNon-redundant fault processingMemory moduleMemory address
Reducing system downtime during memory subsystem maintenance in a computer processing system is disclosed. In some aspects, a computer processing system comprises a computer processor communicatively coupled to a plurality of memory sockets, each of which interfaces with a memory module and includes a gate control. The computer processor is further communicatively coupled to a dedicated non-volatile storage device. Upon detection of a memory health condition requiring replacement of a memory module, access to the memory module is blocked, and data is transferred from the memory module to the dedicated non-volatile storage device. A memory address range of the memory module is then remapped to the dedicated non-volatile storage device, such that subsequent memory access requests to the memory module are rerouted to the dedicated non-volatile storage device. The memory socket of the memory module is then gated, allowing maintenance to be performed while maintaining system availability.
Owner:QUALCOMM INC
Formula document detection method and device, computer readable medium and electronic equipment
ActiveCN111859896ASolve the accumulationDetection speedNatural language data processingText database queryingEngineeringData mining
The embodiment of the invention provides a formula document detection method and device, a computer readable medium and electronic equipment. The formula document detection method comprises the stepsof obtaining first document data of to-be-detected document information including a to-be-detected storage space; obtaining second document data including detected document information of the to-be-detected storage space; comparing the first document data with the second document data to obtain a transaction document; and detecting the transaction document to obtain a detection result of whether the transaction document is a formula document or not. According to the technical scheme of the embodiment of the invention, the detected document in the to-be-detected storage space is compared with the related information of the to-be-detected document to obtain the transaction document, and during subsequent formula document detection, only whether the transaction document is the formula document or not needs to be detected, so that the detection efficiency of the formula document can be improved, and the data calculation amount is reduced.
Owner:CHANGXIN MEMORY TECH INC
Retrieval device and retrieval method
ActiveCN104462109ALimit quantityQuick searchSpecial data processing applicationsInformation retrieval
The invention provides a retrieval device and a retrieval method. The number of character string candidate lists can be limited and decreased effectively, and a target character string can be retrieved rapidly. The retrieval device comprises an input portion, a storage portion, a retrieval portion, an output portion, a character string extraction portion, a retrieval efficiency computation portion and a processing portion. The character string extraction portion is used for extracting all the candidate character strings before the retrieval from the storage portion or the candidate character strings extracted by the retrieval portion currently; the retrieval efficiency computation portion is used for computing the character position retrieval efficiency, representing the effects of the characters in the character positions when the retrieval portion screens the candidate character strings, according to character positions of characters which are not input; the processing portion is used for endowing priority to the corresponded character positions according to the retrieval efficiency of the character positions computed by the retrieval efficiency computation portion.
Owner:ALPINE ELECTRONICS INC
Amplification apparatus and amplification method
ActiveUS20200028473A1Reduce computational processingAmplifier modifications to reduce noise influencePower amplifiersControl engineeringAmplifier
In an amplification apparatus according to the present disclosure, a combining unit combines an output signal of a first amplifier provided at a first branch with an output signal of a second amplifier provided at a second branch and outputs the combined signal. A non-linearity compensation unit multiplies an input baseband signal by a non-linearity compensation coefficient for compensating non-linearity of the entire apparatus, a first deviation compensation unit multiplies a first branch signal by a first deviation compensation coefficient for compensating an inter-branch deviation, and a second deviation compensation unit multiplies a second branch signal by a second deviation compensation coefficient for compensating the inter-branch deviation. A compensation coefficient calculation unit calculates the non-linearity compensation coefficient, the first deviation compensation coefficient, and the second deviation compensation coefficient based on the input baseband signal and a feedback baseband signal obtained by feeding back the combined signal.
Owner:NEC CORP
Transmission method and transmission apparatus used in multiantenna wireless communication system
ActiveUS7920640B2Optimize allocationReduce the amount requiredEnergy efficient ICTMultiplex communicationCommunications systemDistribution method
A transmission bit and transmission power distributing method that can reduce the arithmetic amount in a multiantenna-input / multiantenna-output (MIMO) wireless communication system. This method comprises steps of calculating a signal-to-interference-noise ratio (SINR) gain after MIMO detection of each of transport substreams (S601, S602); optimizing, based on the acquired SINR gain, a transmission bit and transmission power distribution in the space domain for all transport substreams on a particular subcarrier in the frequency domain, thereby deciding a transmission bit and transmission power distribution parameters (S603, S604); and optimizing a transmission bit and transmission power distribution for adjacent subcarriers, by sequentially using the transmission bit and transmission power distribution parameters distributed on the subcarrier for which the transmission bit and transmission power distribution parameters have been decided (S605 to S610).
Owner:PANASONIC CORP
Exhibit attention analysis system and analysis method based on emotion recognition
PendingCN111310602ANarrow down the screeningReduce computational processingAcquiring/recognising facial featuresMarket data gatheringMedicineEmotion identification
The invention discloses an exhibit attention analysis system and analysis method based on emotion recognition, and the method comprises the steps: carrying out the preliminary recognition and delineation of a person when the person successively enters a preset range of a current exhibit, and carrying out the continuous tracking and recognition of the person; and judgment is continued in the tracking recognition process, and only when the face of the current person faces the target exhibit and the eye sight range of the person falls onto the target exhibit, the current person is judged to be aneffective target person. And finally, the human face emotion recognition unit performs real human face emotion recognition processing on the human face of the effective target person. In the processing process, the screening range is gradually reduced, the analysis and processing efficiency is remarkably improved, and compared with a traditional attention conclusion method obtained through analysis according to the number of people in a specific region of the booth, the judgment and recognition precision is higher, and the analyzed attention data of the exhibit is more real and reliable.
Owner:北京正和恒基滨水生态环境治理股份有限公司
Apparatus and method for processing video data
InactiveCN101536525BReduce computational processingReduce demandImage analysisImage codingFeature extractionVideo processing
An apparatus and methods for processing video data are described. The invention provides a representation of video data that can be used to assess agreement between the data and a fitting model for a particular parameterization of the data. This allows the comparison of different parameterization techniques and the selection of the optimum one for continued video processing of the particular data. The representation can be utilized in intermediate form as part of a larger process or as a feedback mechanism for processing video data. When utilized in its intermediate form, the invention can beused in processes for storage, enhancement, refinement, feature extraction, compression, coding, and transmission of video data. The invention serves to extract salient information in a robust and efficient manner while addressing the problems typically associated with video data sources.
Owner:EUCLID DISCOVERIES LLC
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