50results about How to "Fast and Accurate Acquisition" patented technology

The invention provides a method for acquiring positions and postures of images within a city range based on deep learning, relating to the field of image geographic position recognition and augment reality. The method comprises the following steps: 1) creating a city picture set; 2) training a Gaussian mixture model to the city picture set, and dividing city geographical areas with the trained Gaussian mixture model; 3) training a combined learning picture posture estimation and scene recognition nerve network; 4) initializing, uploading the GPS or approximate network position information of auser; 5) classifying the approximate position information by using a learning partition function, downloading a corresponding network model and rendering information needing displaying to a user side; and 6) collecting a user input camera video steam, predicting the location results of three levels at the current moment by applying the downloaded network model of the current area, and if the confidence coefficient of the prediction result output by the network is higher than the threshold value, performing rendering of the rendering information by using the predicted position and posture parameters.

The invention discloses a radio frequency identification (RFID)-based exhibitor information survey analysis method. Each exhibitor is bound with an RFID tag with a unique identifier by a participating card, so the uniqueness of the participating card makes all exhibitors investigated, avoids impostors or users investigated for a plurality of times for obtaining prizes and the like in a questionnaire survey to further make exhibition information more comprehensive and reliable; and the whole survey process is transparent for the exhibitors, the exhibitors are not required to perform any operation, and the influence of the survey process on the participating process of the exhibitors is avoided so as to make the exhibition information realer and more reliable and improve reliability. In addition, information acquisition and processing in the whole investigation analysis process are automatically finished by equipment, so investigation results are more conveniently and accurately acquired, and the validity is improved.

The invention provides a method used for acquiring the MAC address of an iOS device. The method comprises the steps that the iOS device sends a first detection request packet containing a random MAC address; a terminal feature acquiring device intercepts and receives the packet; if the terminal feature acquiring device detects that an SSID local area network name is included in the packet, a detection response packet containing the name of the SSID local area network is sent; if the terminal feature acquiring device detects that the SSID local area network name is not included in the packet, a detection response packet containing a preset SSID local area network name is sent; the iOS device receives the detection response packet; if the iOS device is connected with a local area network which is represented by the SSID local area network name in the response packet, the iOS device sends a second detection request packet containing the real MAC address; and the terminal feature acquiring device intercepts and acquires the real MAC addresses. The acquiring method can quickly and accurately acquire the real MAC address of the iOS device, and the real MAC address is efficiently and conveniently acquired.

The invention provides an RFID intelligent sensing recognition technology-based consumer preference survey and analysis system. The system of the invention includes an intelligent label which is attached to a commodity for sale, an intelligent object state identification terminal which can wirelessly acquire related information of the intelligent label, a base station with a wireless receiving module, and a computer for a user to acquire and analyze data; the intelligent label includes an MEMS sensor which acquires the acceleration information of the object, a main control and detection unit and a wireless transmission module; the intelligent object state identification terminal formats data acquired from the label, packages the data and uploads the packaged data to the base station with the wireless receiving module; the base station transmits the data to the computer through a USB communication mode; and an analysis module is arranged in the computer. With the system of the invention adopted, information such as the preferences of consumers, the number of people who are interested in the object, and the effective attention degree of the object can be accurately obtained; and a survey and research process is basically completed by equipment, and the acquisition of survey results can be more quick and accurate.

The invention provides an indoor positioning navigation creation method and system based on a mobile terminal and AR intelligence. The indoor positioning navigation creation method comprises the stepsof S1, scanning a real environment through the mobile terminal, and achieving the drawing of an indoor map; S2, drawing an indoor navigation route; S3, uploading an acquired map data packet to a cloud server; S4, loading an AR navigation data map at a navigation client; S5, searching a destination and matching an AR navigation data map; S6, generating an augmented reality image through the matching of the position coordinates of starting point information and the AR navigation data map so as to complete the positioning; and step S7, shooting a live-action picture of the location of the user in real time through a camera, and comparing and matching the live-action picture with scene data in the AR navigation data map by a cloud server to realize navigation. According to the invention, accurate, intuitive and effective indoor positioning and navigation can be realized.

Provided is a method for judging magnetic pole polarity of a motor rotor. Pulsating high frequency voltage signals are injected into a direct axis, high frequency current response values of the directaxis and a quadrature axis are obtained; according to the response currents of the direct axis and quadrature axis, a first direct axis high frequency current corresponding to a phase shown in the description and a second direct axis high frequency current corresponding to a phase shown in the description are calculated; the magnetic pole polarity of the motor rotor is judged by comparing absolute values of the first direct axis high frequency current and second direct axis high frequency current. According to the method, only the pulsating high frequency voltage signals are injected into thedirect axis, an initial estimated value of the rotor position is obtained through calculation, and it is judged whether the initial estimated value is revised or not. The method is compared with theprior art, multiple injection voltages are not needed to acquire the corresponding parameters, the calculation method is simple, and the magnetic pole polarity of the motor rotor can be quickly and accurately obtained.

The invention provides a method, a device and a system for acquiring error code information. A mobile terminal receives a first message; the first message is sent to the mobile terminal through a network side after the mobile terminal fails to access to a network; the first message comprises the error code information; the error code information is used for indentifying the information of cause why the mobile terminal fails to access to the network; and the mobile terminal acquires the cause information of failure to access to the network and displays the cause information of failure to access to the network. Therefore, the cause why the mobile terminal fails to access to the network can be fast and accurately acquired, and response prompt is supplied to users, so that good interaction between the users and the mobile terminal can be intelligently and fast assisted, and the degree of experience of the users for the mobile terminal is improved.

Provided is an optimized barcode scanning parameter learning method of a barcode reader. Multiple light emitting elements generate light sources one by one according to set light emitting parameters, the light sources are projected to a barcode of a label, and an image collection device collects the image of the barcode of the label. Multiple scanning parameters are obtained after the image is sampled and decoded, one optimized scanning parameter among the multiple scanning parameters is selected and stored in a scanning parameter memory device, and serves as a preset scanning parameter when the barcode reader scans the barcode of the label. With the optimized barcode scanning parameter learning method, the barcode reading speed is quick, barcode information can be accurately obtained, and the overall work efficiency can be improved indeed.

The invention relates to the technical field of communication, and especially relates to a method and system for carrying out unconditional pseudo completion acceptance on fixed-line service. According to the method and the system, for fixed-line service processes, on a work order process way, for the condition that a user has no fixed-line resource and agrees to adopt an alternative scheme, the user can adopt the alternative scheme, a pseudo completion notice is directly initiated, and a billing side is noticed to carry out billing according to a general bandwidth mode. According to the method and the system, the user applies the alternative scheme, and the fixed-line resource is established at the same time; after the fixed-line resource is established, the equipment provided by the alternative scheme is recycled; the billing side is unnecessarily noticed to carry out billing again; the problem that the user cannot surf the Internet due to a resource or equipment fault can be solved; the quality of service and the customer satisfaction are improved; the benefits of an operator are increased; moreover, each process is dispatched by employing webservice interface messages; the code is realized by employing tuxedo and webservice languages; the efficiency is high; and the portability and maintainability of a program are high.

The invention provides a matching tree-based terminal information backup method and a backup device. The method comprises the steps of presetting a configuration file, wherein the configuration file comprises a start identifier, packets corresponding to to-be-backed up applications and matching entries which are corresponding to the packets and composed of matching items corresponding to to-be-backed up file names or directory names; constructing a matching tree which takes the start identifier as a root node and takes the packets and the matching items in the matching entries corresponding tothe packets, which are sequentially distributed step by step, as tree nodes according to the configuration file; matching file names sent by a to-be-backed up terminal with the matching tree; and ifthe matching is successful, storing the file content corresponding to the file names. The method provided by the invention has the advantages of accurately collecting the specific backup information in batches, reducing the IO (Input/Output) writing, reducing the backup time, improving the backup efficiency, reducing the occupied space of redundant files, reducing the energy loss of equipment andterminals and the like.

The invention discloses a method for determining metallogenic age of rare metal pegmatite, which belongs to the technical field of chronology and mainly comprises the following steps: (1), collecting rare metal pegmatite samples in the field; (2) cutting the sample in the step (1) into polished thin slices, and observing monazite rare metal minerals in the sample under a mirror; (3) pre-treating a sample, sticking a target to prepare the target, and taking a picture; (4) observing the rare metal minerals in the target sample obtained in the step (3) again; (5) performing component analysis on rare earth and trace elements of monazite rare metal minerals on the target sample which is not subjected to hydrothermal alteration and obtained in the step (3) through adoption of an LA-ICP-MS method; and (6) carrying out U-Pb dating on the monazite caused by magma on the target sample. According to the method, new rare metal minerals suitable for U-Pb dating in rare metal pegmatite are developed, the mineralization age can be rapidly obtained, and the accuracy is high.

The invention discloses an agricultural non-point source pollution treatment system for riverway purification. The system comprises an information data platform, a wireless communication module, a monitoring station, a control terminal, a water quality processing device and a water quality monitoring device, wherein the monitoring station is internally provided with a control terminal, the periphery of the monitoring station is provided with a water quality processing device, the control terminal is in communication connection with the water quality monitoring device through a wireless communication module, and the information data platform is in communication connection with the control terminal arranged in the monitoring station through the wireless communication module. The system provided by the invention can be used for directly carrying out unified monitoring and pollution treatment on riverways in a range; the purification treatment steps can be simplified or enhanced accordingto specific conditions, the system can be suitable for various conditions, the treatment method is determined according to specific requirements, information acquisition is faster and more accurate, resource waste is avoided to the maximum extent, and the treatment efficiency of riverway agricultural non-point source pollution is effectively improved.

The embodiment of the invention provides a method and a device for determining a tracking state, a storage medium and electronic equipment. The method comprises the following steps: acquiring a to-be-tracked image; performing tracking processing on a tracking object in the to-be-tracked image by using a target tracking algorithm to obtain a target response graph; inputting the target response graph into a pre-trained image classification model to enable a pre-trained image classification model to classify and recognize the target response graph to obtain a target image classification result used for representing the tracking state of the tracking object, wherein the pre-trained image classification model is obtained by training an initial image classification model according to a training set, and the training set comprises a training response graph and a training image classification result corresponding to the training response graph. By means of the technical scheme, the monitoring precision of the tracking state of the tracking object can be improved, and the false detection rate is reduced.

The embodiment of the invention discloses a target area image segmentation system and device. The system may comprise: a processor configured to: obtain an image of a target object and information ofa to-be-segmented target region included in the image; determining at least one target region segmentation model according to the information of the target region to be segmented, wherein each targetregion segmentation model in the at least one target region segmentation model is used for segmenting different sub-regions; and inputting the image into each target region segmentation model to obtain a segmented image of each sub-region, and determining the target region segmented image of the target object according to the segmented image of each sub-region. According to the technical scheme provided by the embodiment of the invention, each target region segmentation model can be flexibly combined according to the information of the target region to be segmented, so that the target region segmentation image can be obtained more quickly and accurately, and the problems of complicated process and long consumed time caused by manual target region sketching on the image by a doctor are effectively solved.

The invention discloses a wind tunnel cold leakage monitoring method based on global normal distribution and local outlier factors. The method comprises the steps of obtaining temperature measurement point data of a temperature measurement optical fiber laid on the outer surface of a wind tunnel; performing global anomaly detection on all the temperature measurement points based on normal distribution to obtain global anomaly points; carrying out local anomaly screening on all global abnormal points based on a local outlier factor, and taking the screened local abnormal points as stable cold leakage points; and establishing a cold leakage area by taking all the stable cold leakage points as supports. The invention provides a wind tunnel cold leakage monitoring method based on global normal distribution and local outlier factors to solve the problems that in the prior art, when distributed optical fibers are adopted to monitor the surface temperature of a wind tunnel, the false alarm rate is high and the cold leakage and liquid leakage conditions of the surface of the wind tunnel are difficult to effectively obtain.The purposes of reducing the false alarm rate and effectively detecting cold and liquid leakage on the surface of the wind tunnel are achieved.

The invention discloses a detection method for a sinking position of a flexible mattress. The detection method is characterized by comprising the steps of adopting the GPS (Global Position System) positioning systems of a base-station and three mobile radio stations; installing the three mobile radio stations on a measuring ship and moving above a detection point; installing an ultrasonic transmission sensor at the edge of the mattress where the detection point is set, and installing the ultrasonic receiving sensors all around the three mobile radio stations; receiving and measuring the propagation time that ultrasonic waves are arrived by the three ultrasonic receiving sensors, and calculating distances; meanwhile, determining a three-dimensional coordinate of the three ultrasonic receiving sensors by the information of the mobile radio stations, and obtaining the space position of the detection point through the interpretation of the space coordinate. According to the detection method provided by the invention, the sinking position of the flexible mattress can be quickly and accurately obtained to provide a basis for the subsequent sinking, and the sinking effect of the flexible mattress can be ensured; meanwhile, the detection method has the advantages of being simple to operate, low in cost, good in feasibility and high in precision.

The invention discloses an advertisement putting method and device and electronic equipment. The method comprises the steps of obtaining a first user data set from a local database; inputting the first user data set into a trained first attribution analysis model to obtain first analysis data, the first analysis data comprising a first material level and a first delivery level; and performing datacomparison on the first analysis data and second analysis data obtained from a media terminal, and when the deviation of each piece of data in the first analysis data and the second analysis data isin a preset range, obtaining a plurality of pieces of corresponding resource information according to the first analysis data or the second analysis data to generate an advertisement file, wherein thesecond analysis data comprise a second material level and a second delivery level, the second analysis data are generated after a media terminal inputs a second user data set into a second attribution analysis model, and the second user data set comprises an operation record of the user on the media terminal; and putting the advertisement file to an advertisement position specified in the plurality of pieces of resource information.

The invention discloses a novel analog signal amplifier which comprises a microprocessor circuit, a power supply circuit, a man-machine interface circuit, a communication interface circuit, a digital IO interface circuit, a digital and analog conversion circuit, and an analog signal differential amplification circuit. According to the novel analog signal amplifier, a signal passband is wide, and the application of a high speed control response is satisfied. Output end analog signal can be collected in a high speed, analog acquisition equipment is saved, and the hardware cost is saved. A man-machine interface is convenient, a customer operation is simple, and information can be set and obtained visually. The execution of a sensor and analog signal amplifier calibration operation is simple and quick, and a calibration result is accurate and is not affected by user professionality and the precision of other testing instruments. Communication interfaces are rich. LAN communication can be formed by multiple analog signal amplifiers through a CAN bus, the wire layout is convenient, and the reliability is high. A digital IO interface is arranged, and back level control equipment can conveniently and timely obtain the state of an acquisition quantity to control the acquisition quantity. The energy utilization efficiency is high, and heat generation is small.

The invention discloses a carrier pigeon management method and a carrier pigeon management device applying NFC in a competitive gliding process, and relates to the technical field of computers. The carrier pigeon management method comprises the following steps: firstly, a website background acquires carrier pigeon information contained in each foot ring in a near field communication manner, wherein the foot rings are in one-to-one association with participating carrier pigeons in a competitive gliding process, moreover, the foot ring has an NFC function; secondly, the website background obtains the flying time of the competing carrier pigeons; then, the website background acquires the homing time of each competing homing homing pigeon through the homing pigeon channel pedal; therefore, thewebsite background calculates the time difference between the homing moment and the flying moment, associates the time difference with the competing carrier pigeons, and judges the number of the competing carrier pigeons according to the time difference from small to large, so that the information management of the competing flight process is realized through the process, the manpower consumptionin the competing flight process is effectively reduced, and the competing flight method is convenient and fast.