36results about How to "Real-time filtering" patented technology

The invention relates to a method for filtering garbage speech on the basis of a mobile communication network, which comprises the following steps: setting the garbage speech reputation threshold value of a mobile terminal, downloading garbage speech user identification characters which are lower than the garbage speech reputation threshold value in a server, storing into a garbage speech user identification information base of the mobile terminal, obtaining calling user identification characters of call requests, searching the calling user identification characters from the garbage speech user identification information base, refusing the call requests by the mobile terminal if the calling user identification characters are searched, otherwise further judging whether query of the calling user reputation threshold value to the server in real time is needed or not, and refusing the call requests by the mobile terminal if the calling user reputation threshold value is lower than the arranged garbage speech reputation threshold value. The characteristics of a mobile communication system are combined to prevent mobile communication terminal users from disturbance of garbage speech calls through analyzing the characteristics of mobile garbage speech and the defects of the existing garbage speech filtering technique.

The invention provides a method for intercepting junk e-mail and a device thereof. The method mainly comprises: text data of an e-mail, which needs to be filtered is acquired, and whether the text data includes a key word which is in a character string in a character string resource bank and is used for filtering the e-mail or not is judged; when the key word is included in the text data, whether the text data includes the character string in the character string resource bank corresponding to the key word or not is judged; according to the judgment result that whether the text data includes the character string in the character string resource bank corresponding to the key word or not and a pre-determined judgment strategy, whether the e-mail is the junk e-mail or not is determined, and the junk e-mail is intercepted. By adopting the invention, the text data of the e-mail is scanned according to the key word, after the key word is matched, the text data of the e-mail is scanned according to the character string corresponding to the key word, so that the scanning speed and efficiency are improved, and the e-mail can be filtered in real time when the character string library is larger.

The invention discloses a real-time color image filtering method based on nonlocal domain transformation. The method comprises the following steps: using a two-dimensional color image as a two-dimensional manifold on a five-dimensional vector space, and defining distance-weighted keeping transformation to obtain a multi-channel weighted isometric function; using recursive filtering to realize one-dimensional nonlocal domain transformation filtering of linear time; conducting separated one-dimensional nonlocal domain transformation filtering to the two-dimensional color image. The nonlocal domain transformation method can effectively involve nonlocal information into an image filtering algorithm. Under the premise that a small amount of computation is added, a high-quality filtering image is effectively obtained, and meanwhile the two aspects of requirements that the edge information in the image is not fuzzy are taken into account. A single color (or gray) image is adopted as an input source, the algorithm complexity is lower, the filtering effect is good, and a variety of computer vision application requirements can be met. The method is especially suitable for image detail enhancement, picture stylizing, image colorizing and pencil drawing conversion.

The invention provides a video output control method based on content detection. The method comprises the following steps of acquiring audio and video information of an input video stream; extracting key features of the audio and video; judging whether the input video is a porn video; when the video is the porn video, closing the video output stream and giving an alarm. Meanwhile the invention provides a device which applies the above method, comprising a video input module, used for acquiring the input audio and video information, and converting the audio and video information into digital information if the acquired input audio and video are analog information; a video content detection module; a wireless data transmission module; a video output control module; and a power supply module. The method can filter the video information output from the multimedia terminal device in real time, and immediately give an alarm and close the video stream when finding the porn video, thus being capable of avoiding baneful influence caused by long-time spreading and diffusion of the porn audio and video.

The invention provides an internet of things equipment linkage control system. The system comprises a WEB configuration module and a linkage service module; the linkage service module performs regulation screening by means of data stored in a database through the WEB configuration module and completes motions of equipment needing to be operated. Various kinds of internet of things equipment are linked and include but not limited to a single lamp, a charging pile, wifi, a camera, an emergency call, a well lid monitor, broadcasting, a parking space monitor and an LED large screen, wherein the single lamp, the charging pile, wifi, the emergency call, the parking space monitor and the well lid monitor can be adopted as trigger conditions, and the single lamp, the camera, the broadcast and thelarge screen can be triggered and operated. Complete user individual configuration is achieved, all trigger conditions and trigger motions are all configuration items, and the internet of things equipment in a smart city can be organically combined.

The invention discloses an improved real-time vehicle detection and filtering method and system. The method comprises: vehicle detection is carried out on an inputted image to obtain a vehicle rectangular frame; according to the vehicle rectangular frame, feature extraction is carried out on a vehicle target, wherein the feature extraction at least includes extraction of a confidence coefficient and geometric constraint information of the vehicle; on the basis of the extracted feature, model training is carried out to obtain a filter model; and if a new vehicle rectangular frame target is inputted, false target and correct vehicle target determination is carried out by using the filter model and a filter result is outputted. According to the invention, the model-learning-based method is applied to the vehicle filtering field for the first time. Moreover, on the basis of the feature extraction method for vehicle filter model description, real-time vehicle detection and filtering are completed.

The invention discloses an RTLogic big data processing system and method based on the CEP technology. The RTLogic big data processing system comprises a user editor, a data collection adapter, a central processing system and an output adapter. The user editor is used for editing business intelligence logics to define an inquiry target. The data collection adapter is used for collecting data from a data source according to the inquiry target and transmitting the data to the central processing system. The central processing system is used for analyzing and processing the collected data. The output adapter is used for transmitting the data analyzed and processed through the central processing system to a monitor for display. The RTLogic big data processing method can be used for carrying out real-time and effective analysis and processing on an event flow according to the inquiry target. According to the RTLogic big data processing system and method, the CEP engine technology is adopted, filtration, correlation, matching and integration can be carried out on the data in real time to generate information valuable to a user, the price advantage and the service advantage are realized, the data mining framework is relatively simple, and the RTLogic big data processing system and method have low relay, high output and expansibility.

The invention discloses an image processing method and device, a mobile terminal video processing method and device, equipment and a medium. The image processing method comprises the steps of determining an image attribute of each image block in a to-be-processed image; determining a filtering model corresponding to each image block according to the image attributes; and filtering the image blocksthrough the corresponding filtering models to obtain the filtered image of the to-be-processed image. According to the embodiment of the invention, the image attribute of each image block in the to-be-processed image is quickly calculated, so that the filtering processing speed of the image blocks is increased, the real-time filtering of the image is further realized, and the definition of the video is optimized by performing adaptive filtering on each image block through the corresponding filtering model.

The invention discloses an FPGA-based buried pipeline damage harmonic magnetic field detection system and an implementation method. The system is characterized in that a magnetic information detection module comprises a harmonic magnetic field focusing detection probe and a power-adjustable pulse carrier excitation source, and is used for the detection and induction of a magnetic signal; the data acquisition module comprises acquisition and quantification of probe induction data under harmonic excitation; the data information high-speed processing module FPGA is used as a main control chip and is used for carrying out high-speed parallel acquisition, processing and communication on multi-channel data; the algorithm filtering module performs data cleaning to filter impurity signals in the magnetic signals and realize adjustable filtering parameters; the mobile displacement calculation module is used for positioning defects and marking strong magnetic interference under actual working conditions; the data storage module uses an ARM as a main control chip and is used for real-time arrangement and storage of data. The system is advantaged in that a problem of accurate positioning of pipeline damage is solved, accuracy of a defect detection result is guaranteed, engineering detection efficiency is improved, and the engineering detection requirement can be met.

The invention discloses an image background modeling and foreground extraction method and device and electronic equipment, and the method comprises the steps: initializing a multi-layer depth background model, and carrying out the background subtraction and connected region analysis of an input depth image; Judging whether the image is a ghosting area or not; Extracting a first foreground target mask and a second foreground target mask from the non-ghost area; Judging whether each pixel point belongs to a background pixel point or a foreground pixel point, and determining the background pixelpoint needing to be updated; enabling The background pixel points needing to be updated to be subjected to secondary inspection, if the background pixel points needing to be updated are in the ghosting area and the distance between the background pixel points needing to be updated and the calibration boundary is smaller than a third threshold value, not updating the pixel points, and otherwise, updating the pixel points. According to the embodiment of the invention, background modeling and foreground extraction are carried out based on images of the depth image and the infrared image, the stability is good, the complexity is low, the robustness is high, and ghosts can be filtered in real time.

The invention relates to a method for filtering the background of a roadside radar in real time based on polygon modeling, which comprises the following steps of: carrying out geometric modeling on a road space based on a polygon, surrounding and closing the road space monitored by the radar by using a geometric model, reserving point clouds in the geometric model as detection objects, and filtering point clouds outside the geometric model as backgrounds. According to the method, the excellent geometric modeling performance of the polygon is adopted to adapt to various complex road space geometric bodies; according to the invention, various changes outside the road space do not interfere with each other; and through a table look-up method, the calculation load is low, the calculation time is short, and the background can be filtered in real time.

The invention relates to the technical field of radial drilling machines, in particular to a radial drilling machine for high-precision stamping die processing. The radial drilling machine comprises adrilling machine body and a liquid storage box, wherein the liquid storage tank is arranged on the rear side of the drilling machine body; the drilling machine body comprises a base, a column, a rocker arm and a drilling box, wherein the column is fixedly welded to the upper surface of the base; a sliding cylinder connected to the column in a sleeved mode is arranged on the rear end of the rockerarm; a top block is rotatably arranged on the upper end of the column; a rocker arm lifting mechanism connected to the rocker arm is arranged on the top block; the drilling box is arranged on the front side face of the rocker arm; a horizontal adjusting mechanism of the drilling box is arranged on the rocker arm; and a PLC and a frequency converter are arranged on the drilling machine body. According to the radial drilling machine, the pressing force in a drilling process is converted into a digital signal to be conveyed to the PLC through a pressure sensor, the PLC controls the output frequency of the frequency converter according to a set program, the real-time control of a variable frequency motor and a water pump is achieved, the waste of the cooling liquid in the die drilling processis greatly reduced, and the processing cost of the die drilling is effectively reduced.

The invention relates to a method for achieving a vehicle navigation system with a direction intelligent identification function, firstly the information of longitude and latitude positions is obtained through a global position system (GPS) module, position signals are collected and are filtered according to a fixed time interval, and the information of the longitude and latitude positions is kept in an error range of a navigation route. If the information of the longitude and latitude positions enters a preset position range of a system, a direction intelligent identification module judges the forward direction of a vehicle system to drive a navigation module to work after being processed through a matching algorithm, thereby supplying different navigation services. The method for achieving the vehicle navigation system with the direction intelligent identification function can achieve to supply different navigation servers for tourists in different back and forth direction of the navigation route of the vehicle system, and enables the system to be more humanized and intelligent.

The invention discloses a hydraulic tube oil filter device, which comprises a filter drum, wherein an end cover and a bottom cover are separately arranged on the upper end and the lower end of the filter drum; the end cover, the filter drum and the bottom cover form a first filter chamber together; a cannular filter element is arranged in the first filter chamber; the end cover, the filter element and the bottom cover form a second filter chamber together; a plurality of filter holes communicating the first filter chamber with the second filter chamber are formed in the cannular wall of the filter element; a first oil hole and a second oil hole are formed in the end cover; a first oil passage used for communicating the first oil hole with the first filter chamber is arranged in the end cover; and a second oil passage used for communicating the second oil hole with the second filter chamber is arranged in the end cover. The hydraulic tube oil filter device has the advantages that the structure is simple; the installation and maintenance are convenient; large particle impurities in a hydraulic tube can be filter out online in real time, and are effectively prevented from entering hydraulic equipment or a hydraulic station in the use process of the hydraulic equipment; and the operation stability of the hydraulic equipment and the hydraulic station is improved.

The invention discloses a chromatographic baseline noise reduction method. The method comprises the following steps: S1, signal acquisition, S2, signal amplification, S3, Gaussian noise removal, S4, impulse noise removal, S5, calibration fitting and S6, component analysis. A SG filter is connected with a morphological filter in series so that the advantages of the SG filter and the morphological filter are integrated, while the defects of the SG filter and the morphological filter are eliminated, Gaussian noise is removed through the SG least square filtering algorithm, and then impulse noiseis removed through the morphological filtering algorithm. The method has the advantages that most of noise is removed through the SG least square filter, and the amplification effect of the morphological filter on the noise is avoided; and then the morphological filter is used to filter the problem of residual abnormal point interference of the SG filter. The sequence of the two steps cannot be reversed, otherwise, the defects of the two algorithms are amplified. Fnally, the two filtering algorithms in the invention are real-time algorithms, the acquired signals can be filtered in real time,and the delay is within 0.5 s.

The invention discloses a hydraulic system. The hydraulic system is provide with a main oil channel which is used for communicating an oil tank and an execute component, a hydraulic pump supplies oil for the main oil channel, an oil outlet of the hydraulic pump and the oil tank are communicated through a filter oil channel, flow quantity of the filter oil channel is less than flow quantity of the main oil channel, and the filter oil channel is communicated with a first oil filter. When oil in the oil tank circularly flows through the filter oil channel, oil impurities flowing out of the oil tank are blocked in the first oil filter and cannot flow back to the oil tank again along with the oil, so that purity of the oil flowing back to the oil tank through the filter oil channel is improved; oil at the oil outlet of the hydraulic pump automatically shunts and flows toward the filter oil channel and the main oil channel according to the corresponding flow quantity, therefore, real-time filtering of the oil is achieved without affecting regular work of the execute component of the main oil channel in a same hydraulic system.

The invention relates to an oil sludge prevention and real-time treatment system. The system comprises a filter tank, a first blowdown pipe, a plurality of second blowdown pipes, a filtering device, ascraping device, a motor, two differential pressure gauges and an electric control cabinet and is characterized in that the first blowdown pipe is fixedly inserted into the filter tank; a cover platesleeves each of the top and the bottom of the first blowdown pipe, and the bottom cover plate is provided with a plurality of through holes allowing filtered sewage to pass; one ends of the second blowdown pipes are arranged on two sides of the first blowdown pipe at intervals in a staggered manner; the filtering device fixedly sleeves the first blowdown pipe; the scraping device sleeves the first blowdown pipe; the motor is fixedly arranged on the filter tank, and the output shaft of the motor extends into the filter tank to be fixedly connected with the scraping device; the differential pressure gauges are respectively arranged at a liquid inlet and a liquid outlet; the electric control cabinet is electrically connected with the motor and the differential pressure gauges. The oil sludgeprevention and real-time treatment system is widely applicable the field of offshore oilfield sewage treatment.

The invention relates to a method for filtering garbage speech on the basis of a mobile communication network, which comprises the following steps: setting the garbage speech reputation threshold value of a mobile terminal, downloading garbage speech user identification characters which are lower than the garbage speech reputation threshold value in a server, storing into a garbage speech user identification information base of the mobile terminal, obtaining calling user identification characters of call requests, searching the calling user identification characters from the garbage speech user identification information base, refusing the call requests by the mobile terminal if the calling user identification characters are searched, otherwise further judging whether query of the callinguser reputation threshold value to the server in real time is needed or not, and refusing the call requests by the mobile terminal if the calling user reputation threshold value is lower than the arranged garbage speech reputation threshold value. The characteristics of a mobile communication system are combined to prevent mobile communication terminal users from disturbance of garbage speech calls through analyzing the characteristics of mobile garbage speech and the defects of the existing garbage speech filtering technique.

The invention relates to an auto part cleaning device. The problem that the impurity filtering effect is poor when parts are cleaned is effectively solved. According to the technical scheme for solving the problem, the auto part cleaning device comprises a box body with an opening being upward; a rotating shaft capable of achieving reciprocating rotating is mounted at the bottom of the box body, abasket is placed in the box body, and the basket can be driven by the rotating shaft to rotate; a front partition plate and a rear partition plate are fixed in the basket, and multiple water drain holes are evenly distributed in the basket and the partition plates; a front fixed plate and a rear fixed plate are fixed between the two partition plates, multiple through holes are formed in the fixedplates, and multiple filter screens in one-to-one correspondence to the through holes are mounted on the fixed plates; a vertical shaft with the interior being hollow is arranged in the middle of thebasket, multiple water absorption holes communicating with the interior of the vertical shaft are formed in the outer edge face of the vertical shaft, and the water absorption holes face the space between the two fixed plates; and a guide pipe communicating with the interior of the vertical shaft is mounted at the upper end of the vertical shaft, the guide pipe is connected to a pump through a rotating joint and a pipeline, and a filter box is mounted at a water drain opening of the pump. The auto part cleaning device is used for isolating, sucking and filtering impurities, and the automationdegree is high.

The invention provides a circuit board developing solution recycling system. The system comprises a developing solution tank, a discharge port of the developing solution tank is connected with a feeding port of a concentrated water tank through a pipeline, and a discharge hole of the concentrated water tank is sequentially connected with a membrane filtration device through a pipeline. A first discharge hole of the membrane filtering device is connected with a feeding hole of the developing solution tank through a pipeline, a second discharge port of the membrane filtration device is connectedwith the feeding port of the concentrated water tank through a pipeline, a plurality of valves are mounted between the pipelines and electrically connected with a PLC to realize the switching betweena forward filtration mode and a reverse filtration mode, and a cleaning system is further arranged between the concentrated water tank and the membrane filtration device. The circuit board developingsolution recycling system provided by the invention enables the developing solution to be recycled, and is high in filtering efficiency and low in emission.

The invention provides an internet of things equipment linkage control system. The system comprises a WEB configuration module and a linkage service module; the linkage service module performs regulation screening by means of data stored in a database through the WEB configuration module and completes motions of equipment needing to be operated. Various kinds of internet of things equipment are linked and include but not limited to a single lamp, a charging pile, wifi, a camera, an emergency call, a well lid monitor, broadcasting, a parking space monitor and an LED large screen, wherein the single lamp, the charging pile, wifi, the emergency call, the parking space monitor and the well lid monitor can be adopted as trigger conditions, and the single lamp, the camera, the broadcast and thelarge screen can be triggered and operated. Complete user individual configuration is achieved, all trigger conditions and trigger motions are all configuration items, and the internet of things equipment in a smart city can be organically combined.

The invention discloses a digital filtering method and a digital filtering device for aiming at an LTE carrier wave. The method comprises the following steps of adjusting a sampling rate of an input signal and / or an output signal for satisfying a system requirement; according to the signal bandwidth, setting the signals with bandwidths which are not larger than 5MHz to one group, and processing by a filtering module A; and setting the signals with bandwidths which are larger than 5MHz to the other group, and processing by a filtering module B; performing further processing on the signal which is processed by the filtering module B through a time delay adjusting module, thereby ensuring time delay consistency of the filtering module A and the filtering module B; and finishing carrier wave bandwidth resolution, controlling switching between the filtering module A and the filtering module B and controlling the time delay adjusting module by a control module. The digital filtering method and the digital filtering device can settle a problem of real-time switching for the carrier waves with different bandwidths for filtering in certain LTE receiver devices, thereby reasonably reducing designing complexity of a filtering system.

The present invention is a high dynamic null widening method, comprising: obtaining the sampling data of the received signal of the array antenna, performing band-pass filtering, Hilbert transform and amplitude-phase correction, extracting the obtained sampling data at equal intervals, and then outputting them in two channels, one of which is Input FIFO module storage, and the other channel is extracted at equal intervals, and then sent to the QR decomposition unit for covariance matrix estimation, and the updated covariance matrix is ​​output; forward iterative update of intermediate variables, according to the updated covariance matrix and intermediate variables Perform backward iterative calculations to obtain updated optimal weights; the sampled data of the estimated covariance matrix stored in the FIFO module is multiplied and added with the updated optimal weights, and then filtered and output. The invention equivalently expands the interference null, enhances the stability of filtering, and implements FPGA to enhance the stability of filtering.

The invention discloses a constant temperature crankcase with lubricating oil filtering function, which belongs to the field of auto parts. The constant temperature crankcase with lubricating oil filtering function includes an oil filter box, and an upper crankshaft is connected under the oil filter box The bottom of the upper crankcase is connected with the lower crankcase, and there is a connecting flange between the upper crankcase and the lower crankcase, and connecting bolts are installed on the connecting flange, and the upper crankcase and the lower crankcase are connected by the connecting bolts. A lubricating oil tank is excavated between the upper crankcase and the lower crankcase, and a crankshaft hole is dug at both ends of the lubricating oil tank, and a crankshaft is installed in the crankshaft hole, which can realize real-time filtering of the lubricating oil in the crankcase, reducing Impurities in the lubricating oil to prolong the service life of the crankshaft, and at the same time effectively maintain the oil temperature of the lubricating oil in the crankcase to prevent the crankcase from being ignited by the oil temperature of the lubricating oil when the oil temperature is too high, or the outside air temperature is too low to freeze lubricating oil in the crankcase.

The invention relates to a high-efficiency auto parts soaking and rinsing device, which effectively solves the problem of poor impurity filtering effect during parts cleaning; the technical solution is to include a box with an opening facing upwards, and a rotating shaft capable of reciprocating rotation is installed at the bottom of the box , a basket is placed in the box, and the rotating shaft can drive the basket to rotate; the interior of the basket is fixed with two partitions at the front and rear, and there are multiple drainage holes evenly distributed on the basket and the partition; There are two fixed plates at the front and back, and there are many through holes on the fixed plate, and a plurality of filter screens corresponding to the through holes are installed on the fixed plate; there is an internal hollow vertical shaft in the middle of the basket, and the outer edge surface of the vertical shaft There are a number of water suction holes communicating with the interior, and the absorption holes are facing between the two fixed plates; the upper end of the vertical shaft is equipped with a conduit communicating with the interior, and the conduit is connected to the pump through a rotary joint and a pipe, and the pump is installed at the drain. There is a filter box; the present invention isolates, sucks and filters impurities, and has a high degree of automation.