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58results about How to "No invasion of privacy" patented technology
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In-home elderly care method and care system
InactiveCN108091105ADoes not affect daily lifeNo invasion of privacyAlarmsElderly careComputer science
The invention discloses an in-home elderly care method. Sensors are concealed and installed in dwellings of in-home elderly, and each sensor collects use information of each device and sends the use information to a processor; the processor establishes an action and activity information model of the in-home elderly based on the use information; the processor determines whether or not action and activity information of the in-home elderly meets a preset condition based on the action and activity information model; when the action and activity information meets the preset condition, the processor automatically generates first alarm information and sends the first alarm information to a monitoring end. According to the method, the sensors are concealed and installed in the dwellings, which does not affect the daily life of the in-home elderly, does not cause discomfort of the elderly, does not infringe the privacy of the elderly and does not need too much attention of personnel, the elderly do not need to wear monitoring equipment all the time, thereby achieving unbonded all-weather intelligent care of the in-home elderly and reducing labor costs, and the price is relatively cheaper.
Owner:CHONGQING UNIV
Safety monitoring equipment and method for infant
InactiveCN104207757AGrasp in timeGuaranteed accuracyTransmission systemsDiagnostic recording/measuringVIT signalsData lines
The invention discloses safety monitoring equipment and a safety monitoring method for an infant. The safety monitoring equipment comprises wearing equipment, wherein a signal acquisition terminal and a signal receiving terminal are arranged on the wearing equipment; the signal receiving terminal is used for receiving the information of the signal acquisition terminal; a signal acquisition part comprises a three-axis acceleration sensor, an MEMS (Micro Electro Mechanical System), a first microprocessor, an information storage module, a signal input module, a first wireless communication module, a positioning module and a power module; the three-axis acceleration sensor is electrically connected with the first microprocessor through an analog-to-digital converter; an I / O (input / output) port of the first microprocessor is electrically connected with the information storage module, the signal input module, the first wireless communication module and the positioning module through data lines respectively; the power module is electrically connected with power terminals of the first microprocessor and the MEMS; the signal receiving terminal comprises a second microprocessor; a second wireless communication module and a signal output module are connected to an I / O port of the second microprocessor.
Owner:中承信达(天津)技术股份公司
Multi-target respiratory heart rate monitoring method and system based on millimeter wave radar technology
ActiveCN111481184ANo invasion of privacyImprove reliabilityDigital data authenticationSensorsNursing careEngineering
The invention relates to a multi-target respiratory heart rate monitoring method and system based on a millimeter-wave radar, and the method carries out the non-contact detection of the heart rate andrespiratory rate through a millimeter-wave radar module, avoids a tedious contact-type monitoring program, and cannot violate the privacy of a detected person. Compared with a non-contact detection technology in the prior art, the detection precision is improved, and the measurement reliability is greatly enhanced. The respiratory heart rate data of the monitored object is monitored and analyzedin real time through the vital sign monitoring platform, so that sudden accidental diseases of the monitored object can be prevented, or an alarm can be given in time in case of emergency; medical staff can master sign data of a monitored object in time through the vital sign monitoring platform, evaluate the physical condition of the monitored object in time and give professional opinions and suggestions. Family members of the monitored object can obtain a health report of the monitored object through the vital sign monitoring platform, and nurse the monitored object according to professionalguidance opinions.
Owner:HUAQIAO UNIVERSITY
Calligraphy attitude automatic identification method based on Wi-Fi signals
ActiveCN107067031AResolve identifiabilitySolve error correctionCharacter and pattern recognitionWi-FiFeature extraction
The invention discloses a calligraphy attitude automatic identification method based on Wi-Fi signals. The method comprises the following steps: calligraphy character attitude data is acquired through Wi-Fi signals; feature extraction and stroke segmentation are performed on the data in turn; the data is reconstructed using a learning algorithm; and the writing font is identified by comparing the data with a standard database. The method is implemented using the existing commercial equipment. There is no need to modify the hardware. There is no need for extra deployment for users. Wireless signals are easy to obtain, and can be emitted by opening a hotspot via an ordinary smart mobile device. The CSI value of the physical layer is analyzed using the existing wireless local area network in a non-intrusive and device-independent way. There is no need to change the wireless signal communication protocol. The method has a wide application prospect.
Owner:NORTHWEST UNIV(CN)
Security monitoring method and security monitoring system
PendingCN107944433ASave storage spaceLow costCharacter and pattern recognitionPattern recognitionMonitoring system
The invention discloses a distributed shooting centralized processing security monitoring method and security monitoring system. The method comprises the steps: carrying out the distributed arrangement of face recognition equipment at a plurality of preset places; enabling each piece of face recognition equipment to collect and recognize a face image; enabling each piece of face recognition equipment to take a recognition object as an object for face image filing, so as to obtain the filing data of the recognition object, wherein the filing data is uploaded to a cloud server through a preset format, and the cloud server carries out the clustering analysis of the filing data.
Owner:高域(北京)智能科技研究院有限公司
A gait recognition method with independent directions based on commercial Wi-Fi
ActiveCN109711251ARelaxed conditions for walkingImprove versatilityCharacter and pattern recognitionHigh level techniquesHuman bodyLow-pass filter
The invention discloses a Wi-Fi (Wireless Fidelity) based on commercial use. According to the gait recognition method with the independent direction of the Wi-Fi, a subject repeatedly walks for a specified distance in a preset area and passes through commercial Wi-Fi; the Wi-Fi device collects a CSI signal of the subject; motion detection is carried out according to different states of CSI signalPSD distribution in walking and static states by using PCA dimension-reduced data, and the walking direction of the subject is derived; STFT is carried out on the first ten principal component data after dimension reduction, a time domain signal is converted to a time-frequency domain, 10 spectrograms with the horizontal axis as time and the longitudinal axis as frequency are obtained, and the spectrograms are denoised through a two-dimensional Gaussian low-pass filter; according to the derived direction, mapping the spectrogram to the direction reflecting the real movement of the human body,and carrying out error correction and fusion to obtain a spectrogram; extracting manual features from the spectrogram, and obtaining automatic features from a Gabor filter; and inputting the two features into a support vector machine with a radial basis function to realize gait recognition.
Owner:TIANJIN UNIV
Indoor falling detection method and system
InactiveCN108363966AImprove accuracyWear-freeCharacter and pattern recognitionPattern recognitionFall detection
The invention discloses an indoor falling detection method, which comprises the following steps that: obtaining the temperature image of the induction area of a thermopile sensor, wherein the temperature image comprises the temperature value of each pixel in the induction area; according to the temperature image, obtaining a foreground image, and calculating the connected domain of the foregroundimage; judging whether the number of pixels in the connected domain is greater than a first preset value or not; if the number of pixels in the connected domain is greater than the first preset value,judging that the foreground image is the image of a human body target, and judging whether both a line number and a row number occupied by the image in the temperature image do not meet a preset ruleor not; if the both the line number and the row number occupied by the image in the temperature image do not meet the preset rule, judging that the human body target is under a lying / crouching gesture, and judging whether the position of the human body target is a preset position or not; and if the position of the human body target is not the preset position, judging that the human body target falls down. By use of the method, the accuracy of indoor falling detection is improved, and meanwhile, the indoor falling detection method is free from wearing, does not violate privacy and is not affected by ambient light. The invention also discloses an indoor falling detection system which has the above beneficial effects.
Owner:GUANGDONG UNIV OF TECH
High-altitude parabolic monitoring method
ActiveCN111539388AImproving the efficiency of discriminating parabolic situationsEasy to confirmTelevision system detailsDigital data information retrievalTimestampRectangular coordinates
The invention provides a high-altitude parabolic monitoring method. The method comprises the following steps: erecting a camera at the top of a building according to the size of the building, monitoring the side parabolic condition of the building, and sending a video file to a control center; enabling the control center to judge whether a parabolic condition occurs or not through comparison of adjacent picture frames, finding out a timestamp of the picture frame where the parabolic target occurs for the first time, fining out images shot by all the cameras at the moment, and carrying out binarization processing to obtain a binarized image corresponding to each camera; establishing a rectangular coordinate system corresponding to the room number along the building monitoring surface, determining the coordinate corresponding to each camera and the geometrical relationship between the parabolic point and the camera, calculating the parabolic coordinate corresponding to the parabolic point in combination with the binarized image, and obtaining the room number corresponding to the parabolic coordinate. The rectangular coordinate system is established along the monitoring side surface of the building, the room number of the parabolic object can be quickly positioned according to the calculated parabolic object coordinate, and high-altitude parabolic object tracking, education and responsibility investigation are facilitated.
Owner:HUNAN LIANZHI BRIDGE & TUNNEL TECH
Store commodity self-service shopping guide device based on big data
InactiveCN110754877AImprove cooling efficiencyDoes not affect liftingPortable framesService system furnitureMechanical engineeringBig data
The invention relates to the technical field of commodity self-service, and particularly relates to a store commodity self-service shopping guide device based on big data. The store commodity self-service shopping guide device comprises a shell, wherein the interior of the shell is divided into an upper chamber and a lower chamber by a horizontally disposed partition plate; a bearing is mounted inthe middle of the bottom surface of the upper chamber; a square sliding rod is vertically mounted in a bearing pedestal; the top end of the sliding rod is vertically inserted into a sliding pipe, andthe cross section of the sliding pipe is square; the top end of the sliding pipe is vertically mounted on the bottom surface of a shopping guide terminal; hydraulic rods are symmetrically mounted onthe two sides of the bottom surface of the interior of the upper chamber; the hydraulic rods are symmetrically arranged, and the top ends of the hydraulic rods are connected to the bottom surface of the shopping guide terminal through a guide structure; the bottom end of the sliding rod extends vertically into the lower chamber; and a speed reducer is mounted in the middle of the bottom surface ofthe lower chamber. The height of the shopping guide terminal is adjusted through the hydraulic rods, and the height of a user is matched during use; and a guide wheel and an annular guide groove arematched with each other, so that the lifting of the shopping guide terminal is not influenced, and the rotation of the shopping guide terminal is not affected.
Owner:温州红秀招信息科技有限公司
Voice quality detecting method and electronic equipment
ActiveCN110289014ADetermine call qualityWill not affect normal callsSpeech analysisElectric equipmentSpeech sound
The invention provides a voice quality detecting method and electronic equipment. The voice quality detecting method comprises the steps that the first electronic equipment and the second electronic equipment establish a voice link, and the first electronic equipment receives a first voice signal sent by the second electronic equipment through the voice link; then the first electronic equipment obtains a first reference signal from the first voice signal; and finally, the first electronic equipment determines the call quality of the voice link according to a comparison result of the first reference signal and a preset reference signal, wherein the frequency of the preset reference signal is the same as that of the first reference signal.
Owner:HUAWEI TECH CO LTD
Flexible intelligent sitting posture monitoring system based on hip pressure
PendingCN114323368ANo invasion of privacyImprove portabilityCharacter and pattern recognitionForce measurement using piezo-resistive materialsThin film sensorPhysical medicine and rehabilitation
The invention discloses a flexible intelligent sitting posture monitoring system based on hip pressure. The system comprises a piezoresistive film sensor, an interface adapter plate, a data acquisition plate and a data processing device, and the piezoresistive film sensor comprises a plurality of force sensitive point units and is used for sensing sitting posture pressure of a user; the data acquisition board acquires pressure distribution data sensed by the piezoresistive film sensor through the interface adapter board and transmits the pressure distribution data to the data processing equipment; and the data processing equipment processes the received pressure distribution data, and identifies the sitting posture category of the user by using a trained deep learning model. The sitting posture recognition device has the advantages of being accurate in sitting posture recognition, small in size, high in portability, convenient to use, low in cost and not limited by territory environments.
Owner:SHENZHEN INST OF ADVANCED TECH
Parkinson's disease prediction method and device
PendingCN111210912ARealize non-inductive data collectionFast Auxiliary PredictionHealth-index calculationNeural architecturesSimulationDisease patient
The invention provides a Parkinson's disease prediction method and device. A sample set is obtained, keyboard tapping data serving as samples comprise user information and time characteristics at themoment of tapping keyboard keys by a user, then a prediction model is established; the sample set is used for training the prediction model; finally, the keyboard tapping data of a tested object are input into a prediction model, and a Parkinson's disease prediction result is obtained. The degree of hand tremor can be reflected by considering the time characteristic when the user clicks the keys of the keyboard. The invention provides a scheme for predicting the Parkinson's disease by using keyboard tapping data. An effective auxiliary decision is provided for the medical personnel to furtherdiagnose the Parkinson's disease patient. According to the invention, only a computer needs to be used according to daily life habits, no professional equipment or accessories need to be purchased, the method is not affected by the environment, non-inductive data collection of the testee can be achieved, the method is a simple and effective prediction scheme, and early Parkinson's disease can be rapidly and accurately predicted and evaluated in an assisted mode.
Owner:上海恩睦信息科技有限公司 +1
Driving state detection method and device, equipment and computer readable storage medium
PendingCN111062300ANo invasion of privacyImprove accuracyInput/output for user-computer interactionCharacter and pattern recognitionFeature extractionHand parts
The invention provides a driving state detection method and device, equipment and a computer readable storage medium. The method comprises the steps of collecting head posture data and hand motion data of a user; performing feature extraction on the head posture data to obtain head feature data, and performing feature extraction on the hand motion data to obtain hand feature data; and analyzing the head feature data and the hand feature data to determine the driving state of the user. The driving state of the user is analyzed based on the head posture data and the hand movement data, the driving state of the user is determined, the detection applicability is improved, the accuracy of the detection result is guaranteed, and compared with an existing mode, the privacy of the user cannot be invaded.
Owner:锦图计算技术(深圳)有限公司
Communication system for remote sound monitoring with ambiguous signal processing
InactiveCN1595949ANo invasion of privacySubstation speech amplifiersAutomatic exchangesCommunications systemComputer science
A communication apparatus is disposed at a target place for use in monitoring of sounds. An input section collects various sounds generated at the target place. The collected sounds contain a first type of sound information which should be monitored and a second type of sound information which should not be monitored. The input section converts the collected sounds into a signal capable of conveying the sound information. A signal processing section processes the signal for creating ambiguous sound information by masking, trimming or modifying the second type of the sound information. A transmission section transmits the processed signal to a remote place, where the sounds are reproduced from the transmitted signal and the first type of the sound information is monitored, while the second type of the sound information is not monitored, since the second type of the sound information is altered to the ambiguous sound information.
Owner:YAMAHA CORP
Monitoring and protecting system for high-altitude object throwing
PendingCN111669554ANo invasion of privacyGuarantee property securityClosed circuit television systemsAlarmsEmbedded systemInternet of Things
The invention discloses a monitoring and protecting system for high-altitude object throwing, which relates to the technical field of Internet of Things and control, and comprises a cloud, a ground warning module, a single chip microcomputer, and an ultrasonic detection module, a clock module, a wireless transmitter, a communication module and a protection device which are connected with the single chip microcomputer; the cloud end is in communication interaction with the single-chip microcomputer through the communication module. The ultrasonic detection module comprises a plurality of ultrasonic sensors, and the ultrasonic sensors are placed corresponding to windows of a residential building; the ground warning module comprises a wireless receiver and an audible and visual alarm connected with the wireless receiver, the wireless transmitter is connected with the wireless receiver, and the ground warning module is placed at the bottom of a residential building; the protection devicesare correspondingly placed below windows of a residential building, and when a high-altitude object throwing event occurs, the protection devices are started to intercept thown objects. The system notonly can timely remind pedestrians to pay attention to avoiding sundries, but also can intercept the sundries, and the cloud receives the occurrence position and occurrence time of the high-altitudeprojectile to facilitate subsequent tracing of a person in charge of the projectile.
Owner:WUXI VOCATIONAL & TECHN COLLEGE
A prison cell monitoring device, system and method
ActiveCN104916086BTo achieve the purpose of monitoringNo invasion of privacyProgramme controlComputer controlElectricityNanogenerator
The invention provides a prison cell monitoring device, system and method. The prison cell monitoring device includes: one or more nanogenerators and a central processing circuit; the signal output end of the nanogenerator is connected to the central processing circuit; when the nanogenerator is subjected to instantaneous pressure, the signal output terminal outputs the first electrical signal to the central Processing circuit, when the nanogenerator is subjected to variable pressure, the signal output terminal outputs a second electrical signal to the central processing circuit, and when the variable pressure received by the nanogenerator disappears, the signal output terminal outputs a third electrical signal to the central processing circuit , the central processing circuit sends out an alarm signal according to whether the first electrical signal, the second electrical signal and / or the third electrical signal is received. The present invention utilizes the characteristics of the forward and reverse voltages output by the nanometer generator to timely alarm and remind the abnormality of the criminal on the bed, so as to prevent problems before they happen and achieve the purpose of monitoring the criminals.
Owner:纳米新能源生命科技(唐山)有限责任公司
Multi-target respiratory heart rate monitoring method and system based on millimeter wave radar technology
ActiveCN111481184BNo invasion of privacyImprove reliabilityDigital data authenticationSensorsEngineeringEmergency medicine
The present invention relates to a multi-target breathing and heart rate monitoring method and system based on millimeter-wave radar. The millimeter-wave radar module performs non-contact heart rate and respiration rate detection, which avoids cumbersome contact monitoring procedures and does not offend the detected ones. user's privacy. Compared with the non-contact detection technology in the prior art, the present invention improves the detection accuracy and greatly enhances the reliability of the measurement. The present invention monitors and analyzes the breathing and heart rate data of the monitoring object in real time through the vital signs monitoring platform, which can prevent the monitoring object from sudden unexpected diseases, or provide timely alarms in the event of an emergency; medical staff can timely monitor the vital signs through the vital signs monitoring platform Master the vital signs data of the monitoring object, timely evaluate the physical condition of the monitoring object and give professional opinions and suggestions; the family members of the monitoring object can obtain the health report of the monitoring object through the vital signs monitoring platform, and follow the professional guidance. Nursing the monitoring objects.
Owner:HUAQIAO UNIVERSITY
Wi-Fi-based gait recognition method with independent paths
PendingCN110738130ARelaxed conditions for walkingImprove versatilityCharacter and pattern recognitionPropogation channels monitoringPattern recognitionChannel state information
The invention relates to a computer network, in order to realize introduction of Wi-Fi receiving equipment, a method is provided for observing gait information in two dimensions, calculating the motion angle in each small period of time according to the motion angle, deriving gait information with independent paths for extracting gait feature. According to the path independent gait recognition method based on the commercial Wi-Fi, collection of physical layer channel state information (CSI) data, removal of CSI signal redundancy and denoising are completed on two receiving ends, and the gait recognition method based on the commercial Wi-Fi path independent gait recognition method based on the commercial Wi-Fi is used for extracting gait features and carrying out gait recognition, detectingthe start of motion according to the frequency spectrum density PSD distribution state; calculating the motion direction in the window; mapping the sub-spectrograms to the motion direction of the subject; and splicing the sub-spectrograms in all window slices to generate a complete spectrogram with independent paths, extracting features from the sub-spectrogram with independent paths, and carrying out gait recognition. The method is mainly applied to gait recognition occasions.
Owner:TIANJIN UNIV
Non-contact user identity authentication method based on RFID and convolutional neural network
ActiveCN112883355AMake up for the lack of safety certificationLow costCo-operative working arrangementsDigital data authenticationData setEngineering
The invention discloses a non-contact user identity authentication method based on RFID and a convolutional neural network, and the method comprises the steps: simulating the unlocking of a sudoku of a mobile phone, deploying an RFID tag matrix, collecting the phase information during the movement of a hand, and achieving the identity authentication of a user through the convolutional neural network. The method comprises the following implementation steps of: 1, acquiring phase information of an action for identity authentication; 2, preprocessing the acquired phase information; 3, extracting starting point information of each action sample from the preprocessed phase information; 4, making the obtained phase information into a data set, and training the data by adopting a deep learning convolutional neural network to obtain a convolutional neural network model for authentication; 5, identifying the action of the user by using the trained model when the identity of the user is authenticated; and 6, obtaining an authentication result, and judging whether authentication succeeds or not. According to the invention, the invention employs the CNN-based convolutional neural network to extract the features in the phase, carries out the motion recognition, carries out the identity authentication, and is better in accuracy, safety and robustness.
Owner:NANJING UNIV OF POSTS & TELECOMM
Prison house monitoring device and system and method
ActiveCN104916086ATo achieve the purpose of monitoringNo invasion of privacyProgramme controlComputer controlVIT signalsElectricity
The invention provides a prison house monitoring device and a system and a method. The prison house monitoring device includes one or more nanometer generators and a central processing circuit. Signal output ends of the nanometer generator are connected with the central processing circuit. When the nanometer generators are subjected to an instantaneous pressure, the signal output ends output a first electrical signal to the central processing circuit. When the nanometer generators are subjected to a variable pressure, the signal output ends output a second electrical signal to the central processing circuit. When the variable pressure which the nanometer generators are subjected to disappears, the signal output ends output a third electrical signal to the central processing circuit. The central processing circuit sends out an alarm signal according to whether the first electrical signal, the second electrical signal and / or the third electrical signal are / is received. The prison house monitoring device and system use characteristics of positive and negative voltages output by the nanometer generator to carry out an alarm prompt timely on abnormity of criminals on beds so that preventative measures are taken and an objective of monitoring the criminals is achieved.
Owner:纳米新能源生命科技(唐山)有限责任公司
Method for identifying language used in encrypted VoIP network traffic
ActiveCN110111772ANo invasion of privacyImprove recognition accuracySpeech recognitionTelephone service networksTraffic capacityAlgorithm
The invention discloses a method for identifying a language used in encrypted VoIP network traffic, and belongs to the technical field of network security. The method includes a modeling step, an acquisition and processing step, and a comparison and recognition step. In the modeling step, reference language package length distribution models are built through VoIP package length sequence characteristics formed by different languages. In the acquisition and processing step, language data used by to-be-identified VoIP network traffic is collected and pre-treated, and the pretreatment includes the step of classifying the language data into a target language package length distribution model according to the language type. In the comparison and recognition step, the target language package length distribution model formed in the acquisition and processing step is compared with the reference language package length distribution model built in the modeling step one to one, and language corresponding to the reference language package length distribution model with the highest similarity with the target language package length distribution model is selected as a structure for outputting.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Television advertisement pushing method, smart television and storage medium
InactiveCN110650373AExact matchNo invasion of privacySelective content distributionCable televisionCrowds
The invention discloses a television advertisement pushing method. The television advertisement pushing method comprises the steps that after a smart television receives an opening instruction, familymember attributes around the smart television are recognized through a camera of the smart television; the smart television generates crowd classification information at least according to the familymember attributes and sends the crowd classification information to the server; and the smart television receives advertisement information matched by the server according to the crowd classificationinformation. Through the mode, the advertisement information can be accurately matched for family members under the condition of ensuring that the privacy of the user is not invaded.
Owner:星络智能科技有限公司
Face generation privacy protection method based on hierarchical k anonymous identity replacement
PendingCN114139198AAchieve the effect of anonymityEfficient and beautiful privacy protectionCharacter and pattern recognitionDigital data protectionData setNetwork generation
The invention discloses a face generation privacy protection method based on hierarchical k anonymous identity replacement, which comprises the following steps: firstly, preprocessing a face image data set, then constructing a hierarchical k anonymous generative adversarial network structure, and constructing a hierarchical k anonymous objective function; constructing a face replacement generative adversarial network structure, and constructing a target function of face replacement; and finally training and testing by using a public data set to obtain a trained hierarchical k anonymous generative adversarial network and a face replacement generative adversarial network. The replaced target face is also generated through the network, so that privacy of others cannot be invaded, and compared with a conventional mosaic shielding method, the method is more effective and more friendly visually. Experimental results obviously prove the high efficiency and practicability of the method, and the privacy protection of the figure image is more efficient and beautiful.
Owner:HANGZHOU DIANZI UNIV
Behavior recognition method and device based on binary sensor and storage medium
The invention discloses a behavior recognition method based on a binary sensor. The method comprises the steps that S1, data collected by the binary sensor is preprocessed, and preprocessed binary sensor data is obtained; S2, the preprocessed binary sensor data obtained in the step S1 is subject to segmentation processing based on space constraint and time constraint, and segmented binary sensor data is obtained; S3, the segmented binary sensor data obtained in the step S2 is mapped and converted into a one-dimensional string, and the one-dimensional string is processed to obtain a behavior pattern candidate set; and S4, a specific behavior pattern is recognized from the behavior pattern candidate set obtained in the step S3. The invention further discloses a behavior recognition device based on the binary sensor and a computer storage medium. The method is convenient to use, free of privacy invasion, high in accuracy, low in calculation complexity and low in cost.
Owner:CHUZHOU UNIV
Image display system, image display device, image display method
InactiveCN100482149CIncrease entertainmentNo invasion of privacyElectrocardiographyEvaluation of blood vesselsDisplay deviceComputer science
There is provided an image display system for displaying a state of an examinee in a visible state. The examinee carries a mobile terminal (10). The mobile terminal includes a biological sensor (11) for measuring biological information on the examinee and an environment information sensor (12) for measuring environment information surrounding the examinee. The information measured is transmitted to an image display device (20) connected by a network (100). The image display device (20) has a CPU (29) for judging the state of the examinee from the biological information and the environment information, generating an image expressing the state of the examinee, and displaying it on a display section (23).
Owner:SONY CORP
A Calligraphy Gesture Automatic Recognition Method Based on Wi-Fi Signal
ActiveCN107067031BSolve the problem of connecting strokesNo invasion of privacyCharacter and pattern recognitionComputer hardwareEngineering
The invention discloses a method for automatically recognizing calligraphy gestures based on Wi-Fi signals. The method uses Wi-Fi signals to obtain calligraphy character gesture data, sequentially performs feature extraction and stroke segmentation on the data, and uses learning algorithms to reconstruct data. A method of comparison against a standard database to identify a certain written font. The method of the present invention utilizes existing commercial equipment, does not need to modify hardware, and does not require additional deployment of equipment for users, and wireless signals are easy to obtain, and ordinary smart mobile devices can be used to turn on hotspots to transmit wireless signals; The local area network analyzes the CSI value of the physical layer in a non-intrusive and device-independent manner, without changing the wireless signal communication protocol, and has broad application prospects.
Owner:NORTHWEST UNIV
A sleep monitoring method based on internet of things
InactiveCN106510663BKeep abreast of sleep qualityKeep abreast of symptomsSensorsMeasuring/recording heart/pulse rateTemporal informationSleep state
Owner:宝贝部落(上海)家具用品有限公司
Photographing device detection method
The invention discloses a photographing device detection method. The method comprises the following steps: performing data capture in a WiFi sniffing mode to obtain data; analyzing the obtained data according to a preset suspected standard to obtain suspected data of a shooting device; analyzing the suspected data of the shooting device according to a preset confirmation condition to determine whether the suspected data meets the confirmation condition or not; if the confirmation condition is met, determining that the suspected data of the shooting device meeting the confirmation condition isdata corresponding to the shooting device. The wireless shooting device in the current environment can be accurately found out in a mode of preliminarily screening suspected data and then further confirming the suspected data.
Owner:上海汉枫电子科技有限公司
Personnel monitoring system and method
The invention relates to a personnel-monitoring system and a method. The personnel-monitoring system and the method record shifting signals of the objects at pre-calculated positions in a monitoring region within pre-set time and calculate personnel dynamic habits in the monitoring region. A habitual nature pattern or a non habitual nature pattern is automatically chosen to judge any shifting behaviors of objects in the monitoring system by being coordinated with the in-and-out conditions of the personnel. If abnormal conditions happen, regulators are informed in real time, so that the threat of the health or life security of the personnel in the monitoring region can be prevented through lower labor, equipment cost, relatively positive and reliable means.
Owner:EVERSPRING IND
Service identification method applicable to broadband access network
InactiveCN106130839ANo invasion of privacyImprove service identification performanceWide area networksService flowNetwork packet
The invention discloses a service identification method applicable to a broadband access network. Multiple data frames of different servers of the broadband access network are screened, so that data frames corresponding to TCP and UDP protocols are obtained; service flow division of the data frames is carried out according to quintuple data; service flow flow-pool groups are established; various service flow flow-pool groups each comprise an uplink service flow flow-pool and a downlink service flow flow-pool; for each service flow flow-pool, a service type label is added; then, an integrated convolutional neural network is constructed; the integrated convolutional neural network comprises an uplink one-dimensional convolutional neural network, a downlink one-dimensional convolutional neural network, an interactive one-dimensional convolutional neural network and an arbitrament module; the three one-dimensional convolutional neural networks are respectively trained by adopting the service flow flow-pool groups; when the broadband access network is practically operated, the captured data frames are standardized into service flow data packets; and the service flow data packets are input into the convolutional neural networks, so that a service identification result is obtained. According to the service identification method applicable to the broadband access network disclosed by the invention, due to introduction of a convolutional neural network algorithm in deep learning, fine-grained and high-precision service identification can be realized.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
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