39 results about "Acquisition Duration" patented technology

The present invention provides an urban traffic system state visualization evaluation method based on traffic flow characteristics. Said method includes the following steps: A, in specific road section collecting real-time signal waveform whose continuous time is not less than three months, forming traffic flow state parameter; B, making traffic flow state parameter undergo the process of signal filter treatment so as to obtain traffic flow sample population; C, calculating average value and standard difference of all the samples in sample population, and using ratio value of standard difference and average value as sample discrete coefficient; D, according to traffic flow multidimensional state parameter strong aggregation characteristics forming and optimizing standard characteristic-phase plane graph for evaluation; and E, placing historical data, current data and predictive data of traffic system on the standard phase graph, and visually distinguishing running state of traffic system and its change tendency.

The present invention belongs to the field of the biological feature recognition and authentication technology, and specifically relates to an iris recognition method and a terminal. The iris recognition method comprises the following steps: starting an image acquisition unit to collect the face action image of an object to be shooted and display the face action image in a user interface; starting an iris shooting unit to collect the iris image of the object to be shooted; and when the face action image satisfies a presetting constraint condition, recognizing the user identity information expressed by the iris image. The iris recognition method and the terminal are able to avoid the risk that the acquisition duration of the iris image through an iris shooting unit is too long to easy to be captured by a third-party software when there is no a dynamic image acquired by the image acquisition unit as a reference, and the whole iris shooting unit is just an acquisition iris image and cannot store and display the iris image, so that the safety of the whole system is further improved.

The invention discloses a pedometer. The pedometer comprises: a gathering module for gathering the triaxial acceleration of swinging of an arm according to a preset sampling frequency; a processing module for carrying out smoothing processing on the reference acceleration of the triaxial acceleration within a preset acquisition duration to obtain a processed acceleration; a first acquisition module for acquiring an effective characteristic acceleration from the processed acceleration; a recording module for recording the time position of the effective characteristic acceleration; a determination module for determining a first time window adopting the time position of a target characteristic acceleration as a center; a calculating module for calculating the similarity of processed acceleration wave shapes in the first time window and a second time window; a first judging module for judging whether the acceleration is periodic or not according to the similarity; and a step counting module for determining the duration of the first time window as a gait period when the acceleration is periodic and carrying out step counting on the processed acceleration according to the gait period in order to obtain effective steps. The pedometer can reduce the false counting or miss counting in the step counting process, and improves the step counting accuracy.

The invention relates to a detecting system and method for the mechanical properties of vocal fold vibration. The detecting system comprises a high-speed photography laryngoscope module, a high frame rate ultrasound module, a data acquisition module, a synchronous acquisition control module, an image display module, a data storage module, an imaging data processing module and a mechanics parameter extraction module; a high-speed photography laryngoscope and high frame rate ultrasound are respectively connected with the same computer. The detecting method comprises the following steps: 1) setting corresponding acquisition duration and storage path; 2) ensuring a high frame rate ultrasound probe to cling to the side of throat and inserting the high-speed photography laryngoscope from an oral cavity; 3) regulating related parameters of ultrasound and position and focus of the high-speed photography laryngoscope; 4) ensuring persons to be detected to vocalize and synchronously acquiring and storing data; 5) extracting glottis area and somatic layer shift; 6) extracting the mechanics parameter of vocal fold vibration. The invention provides a quantitative extracting method of the mechanics parameter of vocal fold vibration, thus obtaining the mechanics parameter of vibration of a vocal fold cover layer and the somatic layer with different mechanical properties.

The invention provides a control method of a progress column, a method and device for displaying image acquisition progress, and a radiography device. The progress column comprises a progress bar and an indicator which moves along the progress bar so as to indicate the image acquisition progress; the progress bar comprises a first position, a second position and a third position; and a distance between the first position and the second position is greater a distance between the second position and the third position. The control method of the progress column includes the following steps that: a pre-set acquisition duration is obtained; the movement speed of the indicator is obtained based on the first position, the second position and the preset acquisition duration; the indicator is moved to the second position from the first position with the movement speed; and image acquisition progress signals are obtained, and whether image acquisition is completed is judged, if the image acquisition is completed, the indicator is adjusted to the third position. With the control method of the progress column, the method and device for displaying the image acquisition progress, and the radiography device provided by the technical schemes of the invention adopted, the progress of the image acquisition can be displayed smoothly, and user experience can be improved.

The invention discloses a data acquisition method and a data acquisition system. The method is applied to the data acquisition system. The system comprises a client, intermediate equipment and at least one server cluster, wherein at least one first target data is pre-stored in a database which can be accessed by the intermediate equipment; and in a normal network state, the acquisition duration of enabling the client to acquire the first target data from the server clusters exceeds preset duration. The method comprises the following steps: transmitting a first data acquisition request to the intermediate equipment by the client, wherein the first data acquisition request is used for requiring the first target data; and extracting the first target data from the database by the intermediate equipment, and returning the first target data to the client. According to the method and the system disclosed by the invention, the speed of the client for acquiring the data from the server can be increased.

The present invention is directed to a method for use in conducting cardiac MR imaging which allows for reconstruction of T1 maps, cine images and IR-prepared images from one raw data set, wherein the method comprises the following steps: a) acquisition of raw data by use of an ECG-triggered, segmented, inversion recovery (IR) -prepared Look-Locker type pulse sequence for data acquisition, wherein the pulse sequence encompasses more than one shot, wherein each shot comprises: i) an ECG-triggered inversion pulse; ii) SSFP cine data acquisition of radial segmented profiles over more than one RR-interval for a predefined acquisition duration AD; and iii) a relaxation duration RD, during which no data is acquired; b) retrospective gating of raw data by sorting acquired raw data for each RR-interval into a pre-determined number of heart phases by definition of specific time windows within the RR-intervals and sampling of raw data acquired during the time windows respectively; c) image reconstruction, wherein the retrospectively gated raw data is used for reconstruction of T1 maps, cine images and / or IR-prepared images.

The embodiment of the invention discloses a data acquisition method and an ETL (Extraction-Transformation-Loading) assembly. The method comprises the following steps: at the arrival of a data acquisition period, performing leap type incremental data acquisition once specific to a full data table in a service system; determining acquisition times of the full data table; calculating a starting timestamp according to a minimum timestamp in the full data table, preset first acquisition duration and the determined acquisition times; calculating an ending timestamp according to the starting timestamp and the first acquisition duration; and acquiring data within a time range marked by the starting timestamp and the ending timestamp in the full data table. Through application of the data acquisition method and the ETL assembly, performance influence on a data acquisition system in which the ETL assembly is positioned can be lowered, and the data acquisition efficiency is stabilized when data acquisition is performed specific to the full data table.

The embodiment of the invention discloses a fingerprint acquisition method and a related product. Application to electronic equipment, The electronic device comprises an optical fingerprint identification module. The method comprises the following steps of: obtaining a target object; when the environment temperature is lower than the preset temperature, if a user presses the optical fingerprint recognition module, the target fingerprint collection time length and the target fingerprint scanning frequency corresponding to the environment temperature are determined, the target fingerprint collection time length is larger than the fixed fingerprint collection time length, and within the target fingerprint collection time length, the optical fingerprint recognition module can complete multipletimes of fingerprint scanning; Controlling the optical fingerprint identification module to perform fingerprint acquisition according to the target fingerprint acquisition duration and the target fingerprint scanning frequency to obtain a plurality of fingerprint images; And selecting a target fingerprint image with the best image quality from the plurality of fingerprint images, wherein the target fingerprint image is used for subsequent fingerprint identification. According to the embodiment of the invention, the fingerprint image acquisition quality can be improved.

The invention discloses a sampling frequency self-adaptive adjustable data acquisition method. The method comprises the following steps: 1) setting acquisition duration time, an initial sampling frequency f0, a maximum sampling frequency fmax and a detection window length; 2) generating a sampling control signal according to the acquisition duration, the initial sampling frequency f0, the maximumsampling frequency fmax and the detection window length; 3) generating an excitation signal according to the control signal, and sending the excitation signal to a sensor; 4) enabling the sensor to collect data according to the excitation signal and output an analog signal; and 5) preprocessing the analog signal output by the sensor. According to the method and the system, the output signal of thesensor can be sampled by adaptively adjusting the sampling frequency, the real change condition of the measured target can be dynamically reflected in real time, and the effectiveness of data measurement is relatively high.

The invention discloses a multi-communication-mode multifunctional monitoring method and equipment, and relates to the technical field of communication monitoring. The method comprises the following steps: uniformly distributing a monitoring sensor group and a corresponding wireless communication module at each monitoring point; distributing cameras around each monitoring point; generating an acquisition instruction according to a preset rule, and sending the acquisition instruction to the monitoring sensor group; when an acquisition instruction is received, employing the monitoring sensor group for acquiring threatened parameter data, comparing the threatened parameter data with a corresponding parameter alarm threshold value, and giving an alarm for abnormal data; when the alarm signal is received, uploading video data shot by the camera to the client through the wireless communication module. According to the invention, the acquisition interval and the acquisition duration of the monitoring sensor group corresponding to the monitoring point are determined according to the threat coefficient, the monitoring resources are reasonably arranged, the monitoring efficiency is improved, the service life of the battery is prolonged, and the problem of difficulty in field power supply is effectively solved.

The invention discloses a file deployment method, deployment equipment, a file deployment system and a medium. The method comprises the following steps: acquiring a flow acquisition result of a file,wherein the flow acquisition result is generated by counting the flow of the file according to an acquisition period; judging whether the total acquisition duration of the current acquired flow acquisition result is greater than or equal to the preset window duration or not; wherein the preset window duration is greater than the duration of a single acquisition period; if so, tracing back historical flow acquisition results within a preset window duration including the current acquisition period, and performing flow summary statistics on the historical flow acquisition results to generate a flow summary result; judging whether the traffic summarization result meets a preset deployment condition or not; and if so, deploying the file. According to the method, the data communication pressurebetween the deployment equipment and the shared edge node is relatively reduced. In addition, the invention further provides deployment equipment, a file deployment system and a computer readable storage medium, and the beneficial effects are as described above.

The embodiment of the invention provides a log data packet obtaining method and device and a computer readable storage medium. The method is applied to the process that a log collection terminal sendsat least one log data packet to a server. The method is executed in the server, and the method comprises: obtaining the total number of data packets of a first log data packet sent by the log collection terminal; obtaining a first log completion rate according to the total number of the data packets and a preset total number of sent packets of the log acquisition terminal; obtaining a first log obtaining duration according to the first log completion rate; and continuing to wait for receiving a second log data packet within the first log acquisition duration, and under the condition that thesecond log data packet is received within the first log acquisition duration, obtaining a final log data packet according to the first log data packet and the second log data packet.

An embodiment of the invention discloses a paper currency data transmission method and device, electronic equipment and a storage medium. The paper currency data transmission method includes detectingwhether to receive a horizontal synchronizing signal or not when paper currency is placed in an acquisition region; if so, then sending a paper currency acquisition signal to a sensor; detecting whether a new horizontal synchronizing signal is received or not within the current acquisition duration, if so, then sending a paper currency acquisition error message to an upper computer, and if not, sending the paper current data acquired by the sensor according to the paper acquisition signal within the current acquisition duration to the upper computer. Whether the paper currency data acquired are wrong is detected in real time during acquisition of the paper currency data by the method, and thus, the possibility of making error recognition to the paper currency according to the paper currency information by the upper computer is reduced, and the paper currency recognition efficiency is improved.

The embodiment of the invention discloses a fingerprint template obtaining method and a related device. The method comprises the following steps of continuously collecting user fingerprint informationfor multiple times to obtain a plurality of fingerprint pictures; outputting the fingerprint input guide information, executing an accumulation reference operation according to the plurality of fingerprint pictures when a touch operation of a user for a preset area is detected, and outputting fingerprint input success information; repeatedly executing the preset operation until the execution completion of the accumulation reference operation is detected in the Nth preset operation execution process, terminating execution of a first operation in the preset operation, and outputting the fingerprint input completion prompt information, wherein the preset operation comprises the following operations of outputting the fingerprint input guide information, detecting a touch operation, and outputting the fingerprint input success information when the touch operation is detected; and storing the target picture obtained according to the accumulation reference operation as a fingerprint template. According to the embodiment of the invention, the fingerprint template input speed can be improved visually, and the fingerprint template acquisition duration can be shortened.

The present disclosure provides an image acquisition method, an electronic apparatus, an electronic device, and a storage medium. The method includes: receiving an image function enabling instruction and controlling, according to the image function enabling instruction, a touch display apparatus to enter an image acquisition interface; receiving a touch action on a screen of the image acquisition interface; determining whether image acquisition duration of the touch action on one same area of the screen of the image acquisition interface is greater than or equal to a preset image acquisition preparation time; and controlling an image sensing apparatus to acquire a corresponding image if the image acquisition duration of the touch action on the screen of the image acquisition interface is greater than or equal to the image acquisition preparation time.

The invention relates to a servo motor durability test process monitoring method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring an end moment of a previous acquisition process; judging whether the duration between the current moment and the end moment is equal to a preset interval acquisition duration or not, and if so, issuing an acquisition instruction to a controller; if a mode switching completion instruction replied by the controller is received, a collection starting instruction is sent to the collection device, and a query instruction is sent to the controller and the driver; if a receiving confirmation instruction sent by the acquisition device is received and the operation state data and the data packet are acquired, acquiring an acquisition duration corresponding to the acquired operation state data and the data packet in real time, and judging whether the acquisition duration is equal to a preset acquisition duration or not; if so, sending an acquisition ending instruction to the acquisition device, the controller and the driver; and judging whether the data is successfully acquired.

The invention discloses an SPECT imaging prediction model creation method and device, equipment and a storage medium. The method comprises the following steps: acquiring a training set containing a plurality of scanning image groups; wherein each scanning image group comprises a standard acquisition duration SPECT image and a short acquisition duration SPECT image which correspond to each other; performing network construction based on the deep convolutional neural network to obtain a to-be-trained network; and training the to-be-trained network by taking the short acquisition duration SPECT image in the training set as input side training data and taking the standard acquisition duration SPECT image in the training set as output side training data to obtain an SPECT imaging prediction model so that the SPECT image prediction model is used to predict and obtain an SPECT prediction image of the SPECT image with the short acquisition time length under the standard acquisition time length. The SPECT imaging time can be greatly shortened under the condition that the imaging quality of a medical image is kept.

The utility model discloses a video acquisition device for switching an RFID recognition mobile camera and a fixed camera. The device is mainly applicable to the technical field of video acquisition.In order to meet the personalized requirements of people and promote the development of customized videos, a multi-camera and multi-angle video acquisition device is manufactured by adopting mobile cameras with the same system and resolution and fixed cameras distributed at multiple points, and communicates with a server under the condition of wireless Wi-Fi or 4g network support. Moreover, the position where the mobile camera with the RFID tag arrives is identified through the RFID sensor at each preset point position. The server software accurately controls the fixed camera and the movable camera at corresponding positions to alternately acquire according to the RFID induction signals, including controlling the starting, acquisition duration, ending and switching of camera acquisition and transmitting video data to the server. The server combines and generates a continuous and complete video file according to the sequence of received video clips.

The invention is suitable for the technical field of terminals, and particularly relates to an image coding method, an image decoding method, terminal equipment and a readable storage medium. According to the method and the device, when the high-resolution image is displayed on the low-resolution terminal equipment, only part of image data and differential data need to be transmitted or acquired, so that the transmission duration of the image data is effectively shortened, the image transmission speed is improved, or the acquisition duration of the image data is effectively shortened, and the image acquisition speed is improved. Moreover, the terminal equipment only needs to decode part of the image data and the differential data to obtain the target image meeting the display requirement of the terminal equipment, so that the operation complexity of the terminal equipment during image processing is effectively reduced, the processing power consumption of the terminal equipment is reduced, the image processing efficiency is improved, the image presentation speed is improved, and the user experience is improved. And user experience is improved.

The invention provides a detection device used for online state inspection of operating state of a crane slewing mechanism. The detection device comprises a signal sensor, a signal processing host, an upper control computer and an external triggering photoelectric sensor, wherein the signal sensor is used for detecting an acoustic emission signal of operation of the crane slewing mechanism and obtaining fault information; the signal processing host is connected with the signal sensor and is used for acquisition parameter setting, signal acquisition, feature extraction and data storage and uploading of a fault signal to the upper control computer; the upper control computer is connected with the signal processing host and is used for displaying various related data in a visual way and carrying out fault pattern discrimination and state display; and the external triggering photoelectric sensor is connected with the signal processing host and is used for accurately controlling signal acquisition opportunity and acquisition duration of the signal processing host. The detection device can effectively detect state information of the crane slewing mechanism and timely find defects and judge severity of the defects so as to timely carry out maintenance treatment. Thus, accidents of a crane can be avoided.

The invention relates to a generator air gap waveform acquisition method, a device and an acquisition system; the method comprises the following steps: obtaining operation parameters in a generator start up and shut down process, and start gathering the generator air gap waveforms if the operation parameters are matched with preset standard parameters; recording a waveform acquisition duration, and stop gathering when the waveform acquisition duration equals to the preset duration, thus obtaining the air gap waveforms gathered in the waveform acquisition duration. The method can automaticallygather the air gap waveforms in the generator normal start up and shut down process, and manual operation is not needed to adjust and fix the generator operation parameters, thus making no extra timestay in the generator normal start up and shut down process, and saving repairing time.

The invention discloses a multi-signal-based user health state detection method, wearable equipment, a device and a medium. The method comprises the steps: a signal acquisition instruction is acquired, and a signal according to the signal acquisition instruction is acquired; when the signals are collected, the signal quality of the signals collected within a preset collection duration is judged by adopting a first preset algorithm every other preset collection duration, and the signals with qualified signal quality are reserved; the qualified signal duration is determined according to the signal quality, the preset total acquisition duration of the signals is adjusted according to the qualified signal duration, and the qualified signal duration is the duration when the signal quality is qualified; and after the signal acquisition is finished, if the data volume of the signals with qualified signal quality meets a preset condition, calculation is carried out to obtain a signal analysis result by adopting a second preset algorithm based on different types of signals and / or a synchronizing signal consisting of a single signal, and the health state of a user is output according to the signal analysis result. By adopting the method, the health state of the user can be smoothly output.

The invention provides a monitoring equipment clone simulation method, system and equipment and a storage medium. The method comprises the following steps of defining a data type and a data acquisition mode of to-be-monitored equipment, creating an acquisition task, setting the acquisition duration of the acquisition task, and performing data acquisition according to the data type and the data acquisition mode, and generating an equipment object template of the corresponding equipment according to the collected data, cloning and simulating corresponding virtual equipment based on the equipment object template, and adding the virtual equipment into a monitoring platform. According to the method, a specific piece number of virtual equipment are simulated to be monitored by the monitoring system by performing data acquisition on the to-be-monitored equipment and cloning and simulating the equipment , so that the purposes of increasing the piece number of the equipment and expanding the monitoring scale are achieved, the performance of the monitoring system can be effectively tested, and the performance of the monitoring system is improved.

The invention discloses an information acquisition method and device, a computer device and a storage medium. The information acquisition method comprises the following steps performed by an information acquisition end: acquiring an information acquisition task, wherein the information acquisition task comprises the acquisition frequency, the acquisition duration, a target acquisition end IP and an information processing end IP; invoking a built-in information acquisition tool if the information acquisition end IP is consistent with the target acquisition end IP, and acquiring channel state information corresponding to at least one channel antenna of a network card deployed on the information acquisition end during the acquisition duration according to the acquisition frequency; sending each channel state information to an information processing end corresponding to the information processing end IP in real time by using a socket protocol. The information acquisition method can automatically send the channel state information to the information processing end through the socket protocol in real time, which facilitates the information processing end to evaluate the channel quality in real time.

The invention discloses a signal acquisition method and device, a storage medium and electronic equipment, and the method comprises the steps: dividing the preset acquisition duration of a signal into a plurality of preset time periods, obtaining the current continuous acquisition duration in real time when the signal starts to be acquired, and determining a target preset time period corresponding to the continuous acquisition duration, and acquiring a signal acquisition standard corresponding to the target preset time period, judging whether the quality of the currently acquired signal meets the signal acquisition standard or not, and if not, restarting to acquire the signal. According to the embodiment of the invention, different acquisition standards can be adopted according to the duration of signal acquisition, so that the accuracy of acquired signals is improved, and the acquisition efficiency is improved.

The invention relates to a fluid mechanical diagnosis system and method based on artificial intelligence and big data. The system is characterized by comprising a diagnosis instrument and a cloud end,the diagnosis instrument comprises a shell, the top of the shell is fixedly connected with a noise collection device, an integrated chip, a network interface and a battery are arranged in the shell,a touch display panel and a charging interface are arranged on the shell, the integrated chip is electrically connected with the noise collection device, the touch display panel and the network interface, the network interface is further connected with the cloud, the integrated chip is used for determining an optimal sound source acquisition position area and the acquisition duration of the noisecollection device, the cloud is used for storing characteristic data of normal operation sound sources and lesion sound sources of various types of fluid machinery, and picking out characteristic dataof normal operation sound sources and lesion sound sources which are the same as or similar to the fluid machinery to be detected by adopting an artificial intelligence algorithm, and a cloud end orthe integrated chip further determines an operation condition analysis result of the to-be-detected fluid machine. The system can be widely applied to the field of fluid machine operation condition diagnosis.

The invention discloses a wireless data acquisition method and a wireless data acquisition device, which are used for solving a problem that wireless data acquisition rate is low when a wireless acquisition module scans on a fixed channel in the existing technology. In the embodiment of the invention, firstly, channel information, acquired last time, of each wireless channel is determined; then, channel priority is determined according to the channel information; acquisition duration of this time of the wireless channel is further determined according to channel minimum acquisition duration and the channel priority; consequently, acquisition requirements are determined; if at least one wireless acquisition module cannot satisfy the acquisition requirements, the wireless channel is adjusted, thus, after adjustment, each wireless acquisition module can satisfy the acquisition requirements; and finally, acquisition of wireless data is executed according to the acquisition duration corresponding to each adjusted acquisition module. Since each adjusted acquisition module satisfies the acquisition requirements, acquisition rate of wireless data can be improved, and consequently, the acquisition rate of a MAC address and a network virtual identity can be improved.