484results about How to "Improve inspection accuracy" patented technology

The invention discloses a fluorescence immunochromatography device for detecting a novel coronavirus COVID-19 and a using method of the fluorescence immunochromatography device. The fluorescence immunochromatography device disclosed by the invention is high in sensitivity and strong in specificity, the accuracy is high, the detection sensitivity can reach 10pg/ml, the detection speed is high, theoperation is simple, the device is portable, the requirement for personnel is low, the operation of professionals is not needed, the detection cost is low, the device can be applied to preliminary screening of various places such as hospitals, airports, customs and disease control centers, the detection time (10-15 min) is short, a simpler, more convenient and faster field detection means is provided for suspected patient investigation and asymptomatic infected person screening, and therefore epidemic spreading is prevented as soon as possible.

The invention relates to a high-precision automatic inspection method and system based on an unmanned aerial vehicle. The high-precision automatic inspection method comprises the following steps thatdata of one or more to-be-inspected pole towers are obtained; an air route is designed according to the data of the pole towers; the air route is optimized, and a touring route is obtained; and according to the touring route, automatic touring is conducted, and a touring image is obtained. Compared with the prior art, the touring route is obtained by optimizing the air route, the inspection precision is improved, and the operating efficiency is improved. Furthermore, the pole towers and the touring route are stored correspondingly, when the same pole towers need to be inspected, workers do notneed to reach to places where the pole towers are located to obtain the touring route, the same pole towers can be quickly toured by directly calling the stored touring route, and the touring efficiency is improved greatly.

The invention belongs to the technical field of remote-sensing image processing and application and relates to a method for detecting a million-ton large-scale ship target in a high-resolution multispectral remote sensing image. The method comprises the following steps: firstly, gradient-based image segmentation is carried out on an image; secondly, geometrical characteristic and color characteristic of the segmentation object are extracted; and thirdly, by the utilization of a large-scale ship characteristic prior knowledge base, the segmentation object is classified by a fuzzy rule so as to obtain a large-scale ship object. In addition, as for detection of a large-scale ship in the port area, sea and land segmentation is carried out by the utilization of sea and land boundary information in a port prior knowledge base so as to remove the influence of the land part at a port. By adding a postprocessing step, error results detected at a non-million-ton berth are eliminated by the utilization of berth information in the port prior knowledge base. By full utilization of rich spectral information and high resolution of the high-resolution multispectral remote sensing image and by the use of the prior knowledge base, high reliability of detection results is guaranteed, and manual intervention is little during the detection process.

A display device includes a defect inspection circuit, and a display panel having a display area and a peripheral area positioned outside the display area. The display panel includes a sensing wire positioned in the peripheral area and connected to the defect inspection circuit. The defect inspection circuit includes a resistance detection circuit that detects a resistance of the sensing wire based on an output signal corresponding to the sensing wire, a memory that stores first resistance information related to the resistance of the sensing wire detected in a first inspection operation, and a comparator circuit including a first comparator that compares the first resistance information with second resistance information. The second resistance information is related to the resistance of the sensing wire detected in a second inspection operation that is performed at a different time than the first inspection operation.

A defect detection method comprising, irradiating light from a light source in an optical system and obtaining a plurality of optical images of a sample having a repeated pattern of a size smaller than a resolution of the optical system; while changing the conditions of the optical system, performing correction processing for the optical images with the use of at least one of a noise filter and a convolution filter; shifting a position of the other optical images based on any of the plurality of optical images, obtaining a relationship between shift amounts of the other optical images and a change of correlation of a gray scale value between the plurality of optical images, and performing positional alignment of the optical images based on the shift amount obtained when the correlation is highest, performing defect detection of the sample with the use of the optical images after the positional alignment.

A sample, which has a mesa portion having a pattern thereon, is placed on a Z table. Light is irradiated to the mesa portion through an optical system and light reflected by the mesa portion is received to measure a height of the mesa portion. A height map of the mesa portion is created based on a height of a corner position. A height using the height map is corrected based on a deviation of a measured value from a target value, and a temporal variation of a focal position of light irradiated to the mesa portion. An optical image of the pattern is obtained while controlling the Z table based on the corrected height of the mesa portion. The optical image is compared with a reference image and a defect is determined when a difference value between the optical image and reference image is more than a predetermined threshold value.

Disclosed is an automatic breast ultrasound scanning method. The method is characterized in that a used automatic breast ultrasound scanning device comprises an ultrasonic coupling device, a probe seat, an ultrasonic probe and a probe moving device; the ultrasonic coupling device comprises a supporting frame, an upper elastic membrane and a lower elastic membrane, the edges of the upper elastic membrane and the lower elastic membrane are both connected with the supporting frame, and an airtight cavity is formed between the upper elastic membrane and the lower elastic membrane and is filled with coupling liquid; when scanning is performed, an examined person lies on an examination couch on the back, then the automatic breast ultrasound scanning device is put on the breast of the examined person, and the lower elastic membrane of the ultrasonic coupling device is tightly pressed on the breast; then the probe moving device drives the probe seat and the ultrasonic probe to move together according to a predetermined route, and the ultrasonic probe clings to the upper surface of the upper elastic membrane and scans the breast. The breast can be scanned automatically; the examined person adopts a supine posture in the process of examination, thereby feeling comfortable; operation is stable, scanning speed is high, and examination accuracy is high.

The invention relates to a method, device and system for detecting tire defects. The method comprises the following steps of acquiring an X-ray image of a tire; inputting the X-ray image into a trained Mask R-CNN model to carry out defect identification; outputting an identification graph with the defect marks, wherein the Mask R-CNN model training process comprises the following steps of acquiring the X-ray image of the tire, and performing segmentation of a set pixel size on each image by using an image segmentation software; marking the segmented image through a visual image annotator; andtaking the marked image as a training set to carry out adaptive training on the Mask R-CNN model. Compared with the prior art, the defect detection and the classification can be carried out on the detected image at the same time through the trained Mask R-CNN model, so that the defect detection accuracy is obviously improved.

The invention relates to a green channel vehicle checking method based on big data analysis, research and judgement. The method comprises the steps that green channel checking data is combined with charged vehicle passage data to form a green channel information big data database, on the basis, starting from the license plate number, tonnage, money amount, entrance-exit stations, vehicle types, cargo types and other attributes, analysis, research and judgement are conducted, data support is provided for green channel vehicle checking, green channel checking of the front end is guided in transition from manual judgement and experience judgement to data judgement, and accordingly the checking efficiency is improved; green channel vehicles are subjected to compiled analysis, the statistics workload is reduced, the efficiency of checking the green channel vehicles is improved, the inspection and rechecking difficulty is lowered, the effectiveness of cracking down the green channel vehicleswhich do not accord with the standard is high, analyzed, researched and judged cargo, vehicle, section and space-time distribution provides powerful decision support and guidance for the toll road management department and the transportation department, and the speed of checking the green channel vehicles and the traffic capacity of toll stations are improved.

The invention belongs to the technical field of X-ray transmission imaging safety inspection and discloses a channel type four-perspective X-ray liquid goods safety inspection method and inspection device. The channel type four-perspective X-ray liquid goods safety inspection method is characterized in that the inspection device is used for analyzing obtained four-perspective liquid goods images, extracting two-dimensional features of material and density of liquid goods and determining whether to give out an alarm to the liquid goods according to the two-dimensional features of the material and the density of the liquid goods to realize liquid goods inspection. A foam groove used for placing the inspected liquid goods is respectively arranged on each of the upper part and the lower part in a box body of an inspection box of the inspection device horizontally, thin foam is arranged on the bottom of the box body, and the number of the inspected liquid goods placed in the foam grooves is less than or equal to 3. A plurality of liquid goods in the inspection box can be fast inspected once when the safety inspection method and inspection device are matched for using, and automatic detection of the dangerousness of the inspected liquid goods is efficiently realized.

The invention provides a display substrate, light-on equipment and a detection method of light-on test pin alignment.The display substrate comprises a display drive signal line and at least a group of testing bonding pads, and the plurality of testing bonding pads in the same group are sequentially arranged.Each group of testing bonding pads comprises the plurality of light-on testing bonding pads connected with the display drive signal line and two pin miss testing bonding pads which are not connected with the display drive signal line, and the two pin miss testing bonding pads are electrically connected.The arrangement of each group of pins in the light-on equipment is identical with the arrangement of the group of testing bonding pads corresponding to the group of pins.The detection method uses the light-on equipment to perform light-on test pin alignment detection on the display substrate.By the display substrate, the light-on equipment and the detection method, extra detection time is not needed, high reliability is achieved, staff needs not to contact the display substrate during operation, static is reduced, and product damage risks are lowered.

A dual-waveband infrared instrument for diagnosing mastopathy is composed of a hand-held laser source consisting of single-source laser probe and multi-source laser probe with multiple laser heads and their positions regulator, an infrared detecting system consisting of optical splitting system, near infrared camera head and far infrared camera head, and a data processing and computer control system.

The invention relates to an orbital patrol robot positioning method. The orbital patrol robot positioning method comprises the steps that: before patrolling, a patrol robot is subjected to positioningdata initialization setting; the patrol robot sequentially passes through each positioning point and a pre-set target position at the beginning of the starting point of an orbit; furthermore, the sequence number of each positioning point, the distance between the target position and the previous positioning point and the sequence number of the previous positioning point are recorded; when the patrol robot patrols, the positioning point is searched at first according to the recorded sequence number of the previous positioning point of each pre-set target position; and, after a positioning detection sensor of the patrol robot detects the positioning point, the patrol robot continuously walks according to the recorded distance from the pre-set target position to the positioning point. By means of the orbital patrol robot positioning method in the invention, the problem that the positioning precision is poor due to wheel slipping and abrasion when the patrol robot completely depends on walking distance positioning can be solved; and furthermore, the problem that the cost of setting the positioning point at each target position is high can be solved.

The invention provides an inspection apparatus, which can improve inspection precision when the position of an electrode foil is offset. The inspection apparatus (10) comprises a transmitter (13) that transmits a battery element (1); an X-ray irradiation device that irradiates X ray to the battery element (1); and an X-ray sensor camera (15) that shoots X ray transmission image of the battery element (1) irradiated by X ray. Therefore, on one hand, the direction of a reel line is used as a transmit direction, and the battery elements (1) are continuously transmitted along horizontal direction; on the other hand, the battery elements (1) are irradiated by fan-shaped beam-like X ray from vertical above, and the battery element (1) is shot by transmitted one-dimension X ray to obtain a whole X ray transmission image of the battery element (1). After that, winding offset of the battery element (1) is inspected based on the X ray transmission image.

Provided herein is a device for transferring flat panel glass disposed on a panel part of a substrate, in which air was discharged through a mild air layer part underneath the spanel part so as to maintain air layer above the panel part in a stable state. A transferring part was disposed at a working table, a transferring device was set on one side of the transferring part for transferring the flat panel glass disposed above the transferring part. Said transferring part comprises a housing having a fan installed within for discharging air; an air chamber with its top being open and was disposed above the housing; a substrate with a plurality of through holes dispoed on its surface that covered and sealed the opened top of the air chamber. The device for transferring flat panel glass is characterized in that the panel part comprises an inspecting programming pedestal mounted above the though holes of the substrate; a plurality of through holes that connected with the through holes of the substrate were disposed at the center of the panel part; pedestal having penetrating hole for connecting the though hole of the substrate; an inspecting program disposed within the through holes of the inspecting programming pedestal; a plurality of panel partsthat covered the upper part of the inspecting programming pedestal and having a plurality of discharging holes corresponded to the through holes of the inspecting programming pedestal, each of the panel parts was separated by a predetermined distance.

The invention discloses an automatic inspection method and device for a polar electric component in a circuit board. The method comprises the following steps: S1, obtaining an image of a to-be-inspected circuit board; S2, obtaining a preset positioning image template of the to-be-inspected element, performing matching search on the image obtained in the step S1, and positioning to a mounting position of the to-be-inspected element; S3, obtaining a target image of the to-be-inspected element according to the positioned mounting position, obtaining a preset standard image template correspondingto the to-be-inspected element, matching a target image of the to-be-inspected element with the preset standard image template and judging whether the to-be-inspected element is mounted and the polarity mounting state according to a matching result. The device comprises an image obtaining module, an element positioning module and a mounting inspection module. The method and the device in the invention can realize automatic inspection of various polar elements and have the advantages of simple implementation method, low inspection cost, high inspection efficiency and precision, wide range of application and the like.

An unmanned aerial vehicle calibration system and method of an instrument landing system are provided. The calibration system includes a flight calibrating unmanned aerial vehicle and a ground station. The flight calibrating unmanned aerial vehicle includes an unmanned aerial vehicle main body and an unmanned aerial vehicle onboard device. The unmanned aerial vehicle main body is a remote-controlled multi-rotor flight vehicle. The unmanned aerial vehicle onboard device is mounted on the unmanned aerial vehicle main body. The ground station is a ground monitoring device. Beneficial effects of the calibration system and method are that calibration of communication and navigation signals of the instrument landing system in an aircraft approach process can be simulated, thus greatly increasing the calibration efficiency, saving the cost and making examination precision high; and equipment is light and portable, flight calibrating steps are simplified, and two persons can complete all calibration tasks, thus making flight calibration more convenient and rapider. The method can meet various flight calibration index requirements of a civil aviation airport on the instrument landing system, can replace traditional flight calibration manners, and can save a large amount of cost and personal for the airport. The calibration system and method are highly automatic and intelligent, and ensure accuracy of the instrument landing system as landing guides and indicators.

The invention discloses a locomotive overhaul system based on video identification realized by dim light compensated dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; the video shooting device is a dual-camera video shooting device comprising a color image acquisition unit, a color image controller, a black-and-white image acquisition unit and a black-and-white image controller. For the black-and-white and color dual cameras, all that is needed is to start a main camera under most shooting scenes, and when an auxiliary camera is started in the dim light environment, the purity of pictures can be improved and the accuracy of image identification is effectively improved. The system has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.

The invention relates to a comprehensive index quantitative detection method by utilizing stride characteristics and belongs to the technical field of criminal investigation trace detection. The method comprises the following steps: splicing and preprocessing cluster-footprint pictures left on the crime scene, extracting the stride characteristic parameters, analyzing the personal characteristics through the stride characteristics, narrowing the criminal suspect range, performing combined similarity contrast with the sample data through a membership degree detection method, and finally determining the criminal suspect range. According to the method, the judgment accuracy and efficiency are improved, a convenient and accurate comprehensive index quantitative detection method by utilizing stride characteristics is provided for criminal investigation personnel, and the method is suitable for automatically extracting, analyzing, contrasting and checking the cluster-footprints left on the crime scene.

The invention relates to the field of lead screw detection, in particular to a lead screw lead accuracy detection device. The lead screw lead accuracy detection device comprises a mechanical portion, a movement control portion, a data collection portion and a computer. The mechanical portion comprises an instrument main frame, a detection rail, a linear grating ruler, a circular grating pair and a detection head device. The movement control portion comprises a motor, a motor driver and a movement control card. The data collection portion comprises a data collection card and a signal transferring board. Detection software is arranged on the computer, the computer is connected with the movement control card and the data collection card through a data bus, and the computer controls the motor in real time, conducts data collection of grating signals of the circular grating pair and grating signals of the linear grating ruler in real time, and displays a result and an error curve after conducting processing through the algorithm in the detection software. The lead screw lead accuracy detection device is used for detecting the accuracy of the lead of a lead screw.