31results about How to "Efficient detection effect" patented technology

The invention provides a learning-based intelligent detection method and device for display screen defects, wherein the method comprises the following steps of: obtaining an image to be detected of ascreen; determining suspicious defect information of the image to be detected according to preset network parameters; extracting a defect characteristic value according to the suspected defect information; determining a final detection result according to the defect characteristic value; collecting all the final detection results as a result set; randomly selecting the final detection result in the result set as a sampling sample, re-detecting the sampling sample, and determining that the detection result is different from the final detection result as a result to be fed back; feeding back theresult to be fed back, learning and generating the next preset network parameter according to the result to be fed back; according to the next preset network parameter, the preset network parameter being updated, and according to the updated preset network parameter, the next image to be detected being detected.

The invention provides an oblique parking stall identification method and device and a storage medium, and the method comprises the following steps: obtaining a sample image which comprises one or more oblique parking stalls, and identifying parking stall vertexes in the sample image through a parking stall vertex positioning network; pairwise pairing the parking space vertexes, intercepting imageblocks of the successfully paired parking space vertexes, and inputting the image blocks into a parking space classification network to identify inclined parking spaces; identifying parking space vertexes in the sample images by the aid of parking space vertex positioning networks, intercepting image blocks by the aid of the parking space vertexes serving as centers, extracting oblique lines in parking space lines, denoising the oblique lines and fitting the oblique lines by the aid of lines to obtain oblique line slopes; and marking an inclined parking space according to the vertex and the inclined line slope of the parking space.

The invention provides a lithium battery surface defect detection method based on depth domain adaptation, and the method comprises the steps: designing an adaptation layer based on statistics such asmaximum mean value difference MMD and KL divergence in a classifier, and designing a domain discriminator for adversarial discrimination of which domain the extracted features come from after featureextraction. On the one hand, a complementary mechanism of the two modes can enable the extracted public features of the two domains to be more sufficient; on the other hand, the adaptive layer designbased on the statistics can enable the target domain data to participate in the training of the classifier, thereby enabling the model to have better generalization capability on the target domain. According to the model, a simple and effective multi-scale feature fusion strategy is designed in a feature extraction network, and a good recognition effect can be achieved on small defects. Accordingto the method, an efficient detection effect is achieved, the dependence of deep learning on label data is relieved, and the trained model has better generalization ability for target domain data.

The invention discloses a surface plasma resonance method for detecting a peanut allergen. The method specifically comprises the steps: respectively preparing an anti-peanut Ara h1 monoclonal antibody and an anti-peanut Ara h1 polyclonal antibody, fixing the anti-peanut Ara h1 monoclonal antibody on a detection chip by means of a coupling method, facilitating peanut Ara h1 proteins of different concentrations to flow by the detection chip, adding the anti-peanut Ara h1 polyclonal antibody which is used for magnifying a signal, so that a purpose of rapidly and efficiently detecting a main allergen protein of the peanut can be achieved. The method has characteristics of high sensitivity, high accuracy, rapidness in detection and the like and can become an important technical means for detecting the peanut allergen.

The invention discloses an organophosphorus pesticide molecular probe, a preparation and application method thereof and inorganic/organic composite rare earth upconversion nano material. The organophosphorus pesticide molecular probe is loaded to the surface of the rare earth upconversion nano material modified by tween to efficiently detect the organophosphorus pesticide concentration in a to-be-detected sample. The organophosphorus pesticide molecular probe has the advantages that the probe is high in sensitivity, good in stability, affordable, capable of achieving ratio type fluorescent detection of organophosphorus pesticide, and capable of providing early sensitive prewarning on the existing possibility of organophosphorus type nerve poison.

The invention provides a method and system for detecting thermal anomaly of the earth's surface based on an unmanned aerial vehicle-carried infrared remote sensor. The method comprises the following steps: acquiring a real-time position of an unmanned aerial vehicle; acquiring the real-time height of the unmanned aerial vehicle; acquiring a thermal infrared image of the earth's surface; acquiring a multispectral image of the earth's surface; and fusing the real-time position and the real-time height of the unmanned aerial vehicle, the thermal infrared image and the multispectral image into a thermal infrared image map, inverting the thermal infrared image map into a surface temperature distribution map by using a surface temperature inversion module, and transmitting the surface temperature distribution map back to a control terminal. According to the method and system for detecting thermal anomaly of the earth's surface based on the unmanned aerial vehicle-carried infrared remote sensor in the invention, the method and the system can obtain the data in real time at the control terminal, carry out quick preprocessing and earth temperature interpretation, compare an interpretation result with an actual measurement temperature, check data quality in real time, and adjust a data observation scheme in time for a region with a poor interpretation effect; and therefore, efficient and real-time detection of the thermal anomaly of the earth's surface is realized.

The invention discloses a depth 6D pose estimation network model and a workpiece pose estimation method, the workpiece pose estimation method solves the problem that a large-volume point cloud data set is difficult to acquire through a method of generating a simulation data set by a physical engine, and a complete scene point cloud is directly used as input by a pure geometric point cloud coordinate. Through the semantic and instance segmentation part of the point cloud, the local and global features of the input point cloud can be extracted, the ability of the network to understand the scene is improved, the accurate attitude is output through the multi-layer feature fusion pose estimation network, the problems of object stacking and self-shielding are solved to a certain extent, the robustness is provided for various symmetrical objects, and the method is suitable for large-scale popularization and application. Through experimental verification of simulating a data set of a real scene, the method provided by the invention has obvious advantages in overall precision and stability, and has higher robustness.

The invention belongs to the technical field of plant science and discloses an efficient extraction method suitable for measurement of endogenous hormone of musa and heliconia plants. The method comprises the following steps: weighing 0.2g of banana leaves, quickly freezing liquid nitrogen, grinding the quickly frozen liquid nitrogen into powder, adding 6mL of pre-cooled 80% methanol solution, andperforming extraction over night in a refrigerator with the temperature of 4 DEG C; adding 2mL of 80% methanol for washing residues, repeating the operation twice, and mixing supernatant liquid; enabling the supernatant liquid to pass through a 0.22-micron micro-porous filtering film, adding 2mL of 80% methanol for washing residues of the micro-porous filtering film, transferring the filtered supernatant liquid into a rotary evaporation bottle, performing evaporation under reduced pressure at 36 DEG C by dim light until the water phase is about 2mL, taking the water phase, and washing the rotary evaporation bottle twice with 2mL of pure water, totally about 6mL; performing refrigeration for 10min at -80 DEG C, and then, performing freeze-drying to obtain dry powder; performing dissolutionwith 4mL of a phosphate buffer of which the pH is 3.0, performing extraction thrice with an equal volume of ethyl acetate to leave an ester phase, performing evaporation to dryness under reduced pressure at 40 DEG C by dim light, performing dissolution with a mobile phase of a pump A, and performing treatment with a Pak-ODS-C18 small column; and before HPLC analysis is performed, enabling the sample to pass through the 0.22-micron micro-porous filtering film to serve as a test solution. The method disclosed by the invention has the advantages that the existing extraction process is adopted, the operation is simple, the consumed time is short, the time and labor are saved, and the recovery rate is increased.

The invention discloses a wire harness rapid detection system. The system comprises a tester, test heads, a fixing tool and an upper computer. The fixing tool is used for fixing wire harnesses, the fixing tool comprises a bottom plate and a wire harness clamp arranged on the bottom plate, the wire harness clamp can fix a plurality of wire harnesses arranged in parallel, the test heads are locatedat the two sides of the fixing clamp, the test heads can be close to/far away from two end parts of the wire harness under the action of a driving piece and are conducted with the wire harness, the driving piece is fixed on the bottom plate, the test heads positioned on the same side are connected with a wire harness joint, the wire harness joint is connected with a detection port of the tester, the tester is used for connecting an electrical parameter of the wire harness, and the tester is in communication connection with the upper computer. And a detection result is transmitted to the uppercomputer. The system can be used for simultaneously and rapidly detecting the plurality of wire harnesses and improves detection efficiency.

The invention discloses a grain quality on-line detector transparent round barrel dust clearing device. The grain quality on-line detector transparent round barrel dust clearing device comprises a transparent round barrel, a fixed base plate, a driving component and a dust clearing component, wherein the driving component is arranged on the fixed base plate, one end of the dust clearing componentis connected with the driving component, the other end of the dust clearing component is arranged inside the transparent round barrel in an inserted manner, and the dust clearing component is in contact with the inner wall of the transparent round barrel in the rotation process. The grain quality on-line detector transparent round barrel dust clearing device is good in dust clearing effect, the cleanliness of the inner surface of the transparent round barrel can be significantly improved, a grain quality on-line detector is effectively guaranteed to have the high-quality, high-stability and high-precision detection performance, and the grain quality on-line detector transparent round barrel dust clearing device has a quite important application prospect.

The invention discloses a machining and producing device for cast iron pipes. The machining and producing device comprises a box body. The machining and producing device is characterized in that a sound insulation layer is installed on the inner wall of the box body, a guiding rail is fixedly installed at the top in the box, a sliding seat is slidingly installed on the guiding rail, an air cylinder capable of being lifted is installed on the sliding seat, a servo motor is further installed on the sliding seat, the servo motor can control the sliding seat to conduct left and right moving so as to conduct selection and detection on different pipes, three different supporting seats are installed at the bottom of the box body, arc pipe grooves are formed in the supporting seats correspondingly, and a pipe frame is fixedly connected to the lower end of a piston of the air cylinder. According to the machining and producing device for the cast iron pipes, detection efficiency is high, using is simple, the detecting process is adjusted quickly through a parameter saving and memorizing module, the automation degree is high, and detection efficiency is high.

The invention discloses an ultrasonic apparatus for an obstetrics and gynecology department. The ultrasonic apparatus for the obstetrics and gynecology department comprises a mainframe shell, whereina base is arranged at the lower end of the mainframe shell; the base is closely welded to the mainframe shell; universal wheels are arranged at the lower end of the base and are fixedly connected withthe outer surface of the bottom of the base ; a plug is arranged on the outer surface of the mainframe shell and is movably connected with the mainframe shell; an outer wire is arranged at the lowerend of the plug and penetrates through the plug. The left side of the mainframe shell of the ultrasonic apparatus for the obstetrics and gynecology department is closely attached to miniature probes,when the apparatus transmits a high-level electric signal, the electric signal can be effectively converted into ultrasonic wave to enter the body of a patient by vibration of the miniature probes, meanwhile, the received ultrasonic wave can be converted into a high-frequency electric signal which is displayed by a display screen, moreover, the two miniature probes with different structures are arranged, the ultrasonic apparatus can adapt to various working environments, and therefore, an effective detection effect can be achieved.