74results about How to "The test results are objective and accurate" patented technology

The invention discloses a TFT-LCD Mura defect machine vision detecting method based on B spline surface fitting and belongs to the field of LCD display defect detecting. The method includes: using a CCD camera to collect the grayscale image of a lighted to-be-detected LCD; filtering the original image; extracting an interested area; using double three-time B spline surface fitting to fit an image background; using the original image to subtract the background image so as to obtain the image with the background, with uneven brightness, being removed; using a Canny operator to detects Mura defects; determining defect level. The method has the advantages that the method is reliable, high in accuracy and time saving in calculation.

The invention relates to a device for detecting mechanical property and electric safety performance of an electrical connector. The device comprises an upper computer, a three-axis movement unit, a monitoring unit, a clamp, a testing unit, a movement control unit and a cabinet. According to the device, mechanical property and electric safety performance of the electrical connector can be simultaneously detected, and the to-be-tested jack of the electrical connector is once inserted and extracted by the testing unit, so that insertion force and withdrawal force of the jack and leakage current under testing voltage can be measured. All jacks of the electrical connector can be automatically detected by the device, the detection efficiency is high and the detection result is objective and accurate.

The invention relates to a primer pair for rapidly detecting silkworm microsporidia and a reagent kit and a detection method thereof. The nucleotide sequence of the primer pair is shown as SEQ ID NO.7 and SEQ ID NO.8. By the utilization of the primer pair, different nucleic acid molecular markers are added into the upstream primer and the downstream primer respectively, PCR products of the marked primers can be directly determined through immuno-gold test strips, the operation steps are simplified, convenience is achieved, specificity is good, and sensitivity is high. Compared with a traditional gel electrophoresis method, the sensitiveness is increased by 10 times, and the primer pair can serve as an ideal detection means for silkworm microsporidia in silkworm finished product eggs and has good application prospects.

The invention discloses a quick non-destructive judging method for unsound grains of a single kernel crop. The method comprises the following steps: S1, collecting a single kernel crop sample, detecting unsound grain condition of each single kernel crop and establishing a class information matrix; S2, collecting a near infrared spectrum of single grains of the single kernel crop; S3, constructinga near infrared judging and analyzing model of unsound grains of the single kernel crop; and S4, differentiating normal single kernel crop and unsound grain single kernel crop by means of the established model. The method has the advantages of being objective and accurate in detection result, free of damage to the sample in the detection process, quick and simple, and can judge the unsound grainsof the single kernel crop efficiently in a through manner.

The invention discloses a binocular balance detection system and a detection method thereof. The binocular balance detection system is provided with a divided sight system, an input terminal and a detection terminal. The detection method comprises the following steps of enabling the detection terminal to randomly generate two different detection sighting targets to generate detection images, and separately projecting the two detection sighting targets in the detection images to two eyes of a testee through the divided sight system; enabling the input terminal to transmit the observation resultof the testee to the detection terminal; through the observation result and the practical image combining result of the two detection sighting targets, enabling the determining terminal to determinea visual inhibition point of the testee; and according to inhibition point data corresponding to the visual inhibition points of the testee under different sighting targets, determining the binocularbalance state of the testee.

The invention discloses a full-automatic detection method for velopharyngeal closure under nasopharyngoscopy based on image processing. The detection method comprises the steps of acquiring a target image, preprocessing an image frame, removing text information and black regions in the image, calculating black cavity position of the image, calculating the area ratio of the black cavity area, making a preliminary judgment on the boundary state of the velopharyngeal opening, calculating the initial outline of the velopharyngeal opening based on a level set while determining the velopharyngeal opening is in an opening state, correcting the upper, lower, left and right boundaries to obtain a corresponding velopharyngeal opening boundary; and after the velopharyngeal opening boundary is segmented, calculating the velopharyngeal opening area and calculating the velopharyngeal closure. Compared with the prior art, the detection result is objective and accurate, a high degree of automatic measurement is realized, reliable reference data are provided for the digital evaluation of the velopharyngeal closure function clinically, the development needs for precision medical treatment are met, the accuracy of the extraction of the target area is improved, and the algorithm overhead is reduced.

The invention provides a detection method, device and system of the automatic driving process, and a storage medium. The detection method comprises the steps: testing links in the automatic driving process are determined; testing results corresponding to all the testing links are obtained; and the testing results are sent to a terminal so as to be displayed on an interface of the terminal in a preset mode. Thus, the unmanned car driving process can be automatically detected, the detection efficiency is high, and detecting results are more accurate and more objective.

The invention discloses an automatic detection method for uraniscolalia pharyngeal fricatives based on a multi-delay four-order-cumulant-octave FTSL spectral line, and relates to the field of voice signal processing. The detection method comprises the following steps: (1) carrying out signal preprocessing, namely, carrying out framing, pre-emphasis and amplitude normalization on input consonant signals; (2) extracting the features of voice signals, namely, extracting FTSL spectral line features in the frequency domain of the multi-delay four-order-cumulant of each frame of voice, and carryingout equal-ratio mean value envelope array extraction in the time domain; and (3) after the time domain and FTSL spectral line signal features of the voice signals are extracted, carrying out automaticclassification on the voice signals by adopting the combined classifier recognition algorithm in combination with the time domain equal-ratio envelope mean value array and the FTSL spectral line features, and outputting the classification result. Compared with the prior art, the method provided by the invention has the advantages that the detection result is objective and accurate, the automaticmeasurement with relatively high degree can be realized, thus reliable reference data are provided for the digital evaluation of pharyngeal fricatives clinically, the accurate medical development demand is conformed, and more accurate and effective signal classification recognition is carried out.

The application relates to a power vehicle detection method and system, a computer device and a storage medium. The power vehicle detection method includes: according to a power vehicle type of a to-be-detected power vehicle, generating a detection item control operation interface with a set corresponding power vehicle type; acquiring detection data inputted in a detection item control unit and processing the detection data by using a preset algorithm to obtain status information of the to-be-detected power vehicle; and on the basis of the status information, displaying a detection result of the to-be-detected power vehicle on the operation interface. Therefore, the staff member can input the detection data through the operation interface; the status information of the power vehicle is obtained based on the automatic detection processing; and the detection result is displayed at the operation interface. The operation becomes simple and visual; the workload of the inspection personnel is reduced; and the work efficiency is improved. Meanwhile, the performances of all aspects of the power vehicle are considered comprehensively and the status and test results of the power vehicle areprovided objectively and accurately.

The invention provides a system and method for measuring an energy saving rate of a building insulation material. The measuring system comprises at least two identical detection rooms and further comprises at least one air conditioner and a wireless data transmission device, wherein each detection room comprises floor, enclosure walls and a roof; each air conditioner is provided with an independent power supply; the independent power supply is connected with an electricity meter; and the wireless data transmission device is used for transmitting data of the electricity meter. The measuring method comprises the following steps: respectively mounting to-be-measured sample plates and comparative sample plates in different detection rooms; respectively recording the power consumption data acquired by the electricity meters of the detection rooms provided with the to-be-measured sample plates and comparative sample plates as Qsample and Qcompare; and calculating the saving rate n of the power consumption according to a formula n=(Qsample-Qcompare) / Qcompare*100%. The evaluation method has the advantages that a detected value of the heat-insulating property is closer to an actual value after application of a building envelope, and reliable reference data is provide for application and popularization of the building insulation material, particularly an insulating mould coating.

The invention belongs to the field of ophthalmic detection, and particularly relates to a method for detecting deviation of a retina fixation point relative to a macular central fovea. The method includes enabling a detected person to watch the fixation point in OCT equipment, and enabling the OCT equipment to scan human eyes of the detected person to acquire a plurality of different OCT diagrams; selecting an OCT diagram with a clear macular central fovea from the OCT diagrams; selecting position of the macular central fovea in the OCT diagram, and determining horizontal and longitudinal coordinates of the position; displaying a scanning position corresponding to the OCT diagram where the macular central fovea is displayed in a fundus video diagram, and acquiring deviation of the retina fixation point relative to the macular central fovea through processing by a computer. By the method, under the premise that cost of the ophthalmic OCT equipment is not increased, accurate detection on deviation position of the retina fixation point relative to the macular central fovea is realized, and the method is objective and accurate in detection result.

The invention discloses a method for testing the friction-resistant color fastness of pigment for calligraphy and painting. The method includes the steps that Chinese art paper or silk is mounted with paste and aired, and the mounted Chinese art paper and the mounted silk are obtained; the to-be-tested pigment is painted to the surface of the mounted Chinese art paper or the surface of the mounted silk and aired, and an aired sample is obtained; the to-be-tested pigment painted to the sample is subjected to reciprocating friction through a friction head wrapped by lily-white cotton cloth, the brightness, the red and green contrast ratio and the yellow and blue contrast ratio of the lily-white cotton cloth before friction and after friction are tested respectively, the color difference value delta E is computed, and it can be achieved that the friction-resistant color fastness of the pigment is evaluated through the color difference value delta E. By means of the method, an objective test method is provided for evaluating the friction-resistant color fastness of the pigment for calligraphy and painting, and the testing method is accurate and reliable in data, small in experimental error and accurate and objective in testing result.

The invention provides a system and method for measuring an equivalent thermal resistance of building thermal insulation materials. The measuring system comprises at least two identical detection rooms, at least one heat flow sensor, and a wireless data transmission device. Each detection room comprises at least one pair of temperature sensors detachably and symmetrically disposed on the inner side and the outer side of a wall or a roof. The heat flow sensor is detachably disposed adjacent to an inner temperature sensor. The wireless data transmission device is used for transmitting data of the temperature sensor and the heat flow sensor. The measuring method comprises the following steps of: mounting templates to be tested and comparison templates in different detection rooms respectively; obtaining detection point data: T template 1, q template and T template 2 or T comparison template 1, q comparison template and T comparison template 2; and calculating the equivalent thermal resistance R according to a formula. A detected value of the evaluation method on the thermal insulation performance is closer to an actual value after applying an architecture protective structure so as toprovide reliable reference data for the application and promotion of building insulation materials, especially thermal insulation coatings.

The invention discloses a method for measuring molecular weight of guar gum based on headspace gas chromatography. The method comprises the steps: preparation of samples, establishment of standard curves, detection of samples, calculation of results and the like. Firstly, when the molecular weight of the guar gum is detected by adopting the method, more samples are not needed, the using amount ofthe samples is less, and standard samples with similar structures are not needed; secondly, more operations on guar gum solutions are also not needed in a determination process, a certain quantity ofguar gum solutions are only weighed and put behind a headspace bottle so as to continuously perform headspace gas chromatography for three times, and then chromatographic signal values are substitutedinto the standard curves which are built in advance so that the molecular weight of the guar gum is worked out; therefore, the determination of the molecular weight of the guar gum is carried out byadopting the method, so that operation processes can be simplified, and the testing time is greatly shortened; thus, a detection result can be worked out instantly, and the result is objective and accurate.

The invention discloses an automatic recognition method for pharyngeal fricative in cleft palate speech based on PICGTFs and SSMC enhancement, which relates to the field of speech signal processing. The method uses piecewise index compression Gammatone filters PICGTFs to carry out filter processing on the speech, a speech signal spectrogram in each channel is subjected to enhancement processing based on a SSMC (Softsign-based Multi-Channel) model and a DoG (Difference of Gaussian) model, a feature vector is extracted from the enhanced spectrogram respectively and put to a KNN classifier for pattern recognition to determine whether to belong to the pharyngeal fricative, and the same classification result is taken as a final recognition result of the algorithm. The method makes full use of the differences between the pharyngeal fricative and the normal speech in frequency domain distribution of spectral energy, and in comparison with the prior art, the detection result is objective and accurate, high-degree automatic measurement is realized, reliable reference data are provided for clinical digital evaluation of the pharyngeal fricative, the development needs of precise medical treatment are met, and more accurate and effective signal classification and recognition can be carried out.

The invention discloses a main machine apparatus for testing the lubricating performance of fuel oil. The main machine apparatus comprises a vibration exciter, a main shaft connector, a shaft rod assembly, a test apparatus and a heating and measuring apparatus, wherein the main shaft connector is arranged on one end of the vibration exciter and used for making reciprocating movement under the effect of the vibration exciter; one end of the shaft rod assembly is connected with the main shaft connector; the test apparatus comprises a test part, a test sheet and an oil box, the test sheet is arranged on the inner bottom of the oil box, one end of the test part is accommodated in the oil box and presses the test sheet, and the other end of the test part is connected with the other end of the shaft rod assembly; and the heating and measuring apparatus is used for supporting the oil box, the oil box is used for accommodating a fuel oil sample, and the heating and measuring apparatus is usedfor heating the oil box and detecting the vibration of the oil box. By adopting the main machine apparatus, the lubricating performance of the fuel oil can be detected, the operation is simple, and the test result is objective and accurate.

The invention belongs to the field of pharmaceutical excipient analysis and relates to a method for detecting the content of heavy metals in activated carbon. The method comprises (1) sample solutionpreparation: adding a sulfite solution into a sample solution, (2) standard solution preparation, (3) monitoring solution preparation, (4) preparation of a thioacetamide-glycerine alkali solution, and(5) determination: respectively adding an acetate buffer solution into the sample solution, the standard solution and the monitoring solution, adding the thioacetamide-glycerine alkali solution intothe mixed solution, diluting the mixed solution with water, carrying out uniform mixing, standing the mixed solution for some time, putting the mixed solution on the white background and carrying outperspective observation from top to bottom, wherein the color of the sample solution is not deeper than that of the standard solution and the color of the standard solution is not deeper than that ofthe monitoring solution. The method can eliminate the color interference of high-valent iron ions and ensure the objective and accurate detection results.

The invention discloses an identification method for a rectangular area based on improved shape angle calculation. The identification method mainly comprises the following steps: S1, acquiring a detection image; S2, extracting all contours in the image and numbering; S3, selecting a template and calculating a shape angle of the template according to a classic shape angle calculation theory; S4, calculating shape angles of all the contours by adopting an improved method; S5, comparing the shape angles of all the contours with the shape angle of the template, setting a deviation threshold, and obtaining the contour similar to the template; S6, calculating and comparing the number of pixels in the template contour with that of the pixels in the contour similar to the template to obtain the contour belonging to the same kind with the template. Compared with the prior art, the method disclosed by the invention has the advantages that quick identification of the rectangular area based on the shape angle is realized, the calculation efficiency of the existing shape angle is improved, and quick identification of the rectangular area in an image target is realized.

The invention discloses a method for determining the alpha-, beta- and gamma- cellulose contents in dissolving pulp. The specific method utilizes phase-inversion headspace gas chromatography to determine the alpha-, beta- and gamma- cellulose contents in the dissolving pulp and comprises the steps of 1 sample pretreatment; 2 establishment of a standard curve; 3, sample detection performed by adopting the headspace gas chromatography; 4, result calculation. The method utilizes a phase-inversion headspace gas chromatography analysis means to determine a chromatographic signal value of carbon dioxide converted after oxidation reaction of all components and indirectly obtain the alpha-, beta- and gamma- cellulose contents in the dissolving pulp and is high in determination speed, and analysis results are objective and accurate. The operation process is greatly simplified, the testing time is shortened, and objective and accurate detection results can be instantly presented on the spot. The method is especially suitable for analysis of large quantities of samples in a laboratory and timely monitoring of the alpha-, beta- and gamma- cellulose contents of a bleached pulp sample in a workshop of a plant.

The invention provides an automatic quality testing method for IPTV and OTT set top boxes. A comprehensive IPTV and OTT tester comprises a PON optical fiber programmed switch module, a power supply programmed switch module, a gigabit Ethernet video stream receiving and transmitting analysis module, an HDMI set top box receiving module and an infrared receiving and transmitting control module. Test index content comprises the network timeout and self-recovery functions of the set top boxes, the starting speed and the matching performance of the set top boxes, set top box television picture data analysis and comparison, automatic switching of different functions by simulating user operations and analysis on signal parameters and the quality of the IPTV and the OTT. Compared with a traditional manual testing method, the method is significantly improved. The testing cycle is short, the testing precision can reach the millisecond level, the repeated testing consistency is good, and the testing result is accurate and objective; and in addition, day-night 72-hour testing which cannot be achieved in manual testing can be achieved. Accordingly, the improvement iteration speed of the quality of the set top boxes is significantly increased, and then the watching satisfaction degree of users is increased.

The invention discloses a method for measuring amino group contents of chitosan derivatives on the basis of headspace gas chromatography. According to the method, excess ninhydrin is reacted with a standard substance containing an amino group; sodium hydrogencarbonate is reacted with the remaining ninhydrin to generate carbon dioxide; the standard substance is not added in a control group; the peak area of carbon dioxide is measured through the headspace gas chromatography; the relative reduction of the carbon dioxide is in a linear relationship with the mass of the standard substance; a standard curve is established and the standard substance is replaced by a chitosan derivative, the amino group content of which is to be measured; and the peak area of the carbon dioxide is detected; the mass of the corresponding standard substance at the moment is obtained according to the standard curve; and calculation is carried out to obtain the amino group content at the moment. When the method is compared with the traditional conductometric titration method, the relative errors do not exceed 13.03%, and for the detection of a same sample, the maximum relative standard deviation is 4.83%, sothe results are objective and accurate and the method is higher in speed when being compared with the traditional measuring methods.

The invention provides a wireless desktop charger IPT testing method. The method includes the following steps S1 a product to be tested is horizontally put into a carry tool to be charged and the product to be tested sends the magnetic field; S2 a first PCB board receives the magnetic field emitted by the product to be tested and is converted into an AC signal; S3 the AC signal is rectified by the second PCB board and converted into a DC signal; and S4 the DC signal is connected to the third PCB board to extract the required accurate current and voltage. The invention further provides a wireless desktop charger IPT testing device which controls the constant current source electronic load and a 16-bit digital multimeter and extracts the required accurate current and voltage by controlling a single-chip microcomputer, and provides the reference data for testers when performing the performance detection of a wireless desktop charger, thereby accurately evaluating the charging performance of the different models of wireless desktop chargers.

The invention provides primer pairs, probe, kit and one-step detecting method for detecting tumor fusion gene EWS-FLI1, belongs to the technical field of gene engineering, and can solve the problems that existing fusion gene EWS-FLI1 detection is complex in operation and time-consuming in result interpretation and has subjective errors. The primer pairs comprise a forward primer EWS_F as shown inSEQ No. 1 and a reverse primer FLI1_Exon 7&8 R as shown in SEQ No. 2 which are used for fusion gene EWS-FLI1 I fusion, and a forward primer EWS_F as shown in SEQ No. 1 and a reverse primer FLI1_Exon 6&7 R as shown in SEQ No. 4 which are used for fusion gene EWS-FLI1 II fusion. The primer pairs are applicable to the quantitative detection of the fusion gene EWS-FLI1 and thus can be effectively usedin the detection of Ewing sarcoma family tumor.

The invention relates to an in-situ multifunctional probe testing device for a photoelectric device. A brand new testing device is designed, based on the device, the photoelectric device can be tested automatically under various different environments of vacuum, nitrogen, oxygen and the like, by the aid of a probe touch mode, automatic operation can be achieved in a sealing test cavity in the whole process, the photoelectric device can be protected, the testing process is convenient and swift, the testing result is objective and accurate, and the testing efficiency of the photoelectric device is greatly improved.

The objective of the invention is to provide a method and system of application deportment testing based on a kinect to solve the current technical problem that the deportment detection has subjectivity, randomness and boundedness. The method comprises: extracting the coordinate values of a left shoulder node, a right shoulder node, a trunk node, a head node, a neck node, a left hand node, a right hand node, a left leg end node and a right leg end node in the kinect collection space location information and the feature values of eye portion information and the feature values of nose information in the face identification information; calculating the slope in the plane according to the collected node coordinates to determine the head state, calculating the arm state according to the coordinates of the left hand node, the right hand node, the left shoulder node and the right shoulder node, and determining the states of both feet according to the coordinates of the left leg end node and the right leg end node; determining the eye state according to the feature values of eye portion information; and combining the eye state, the upper body state, the head state, the states of both arms and the states of both feet to make out the deportment testing result.

The invention discloses a recognition method of cleft palate speech nasal leakage based on recursive graph analysis, which relates to the field of speech signal processing. The detection method comprises the following steps: (1) preprocessing the speech signal, downsampling the input speech signal, and performing normalizing framing, pre-emphasis and amplitude normalization; (2) obtaining a recursive graph and a matrix recursive graph of the speech signal after the preprocessing; (3) performing trend analysis of recursive graph; (4) directly dividing the region into blocks for recursive graphand performing matrix processing for recursive graph; (5) performing image processing on the recursive image, and subjecting the image matrix after format conversion to binarization processing and filtering with two special structure templates in turn; (6) classifying and recognizing the signal by using classifier to obtain an automatic recognition result. Compared with the prior art, the detection result is objective and accurate, realizes a higher degree of automatic measurement, provides reliable reference data for the clinical digital evaluation of cleft palate speech nasal leakage, meetsthe development needs of precision medicine, and performs more accurate and effective signal classification and recognition.

An automatic detection device for one interface of a solid rocket engine includes a robot arm arranged on an omni-directional moving platform and an acoustic detection host, an acoustic probe used together with the acoustic detection host is arranged at the front end of the robot arm, the acoustic detection host is an electromagnetic acoustic detection host, and the acoustic probe is an electromagnetic acoustic probe. The automatic detection device for the one interface of the solid rocket engine uses an electromagnetic acoustic technology (EMAT) to carry out one-interface adhesiveness detection, so abuses brought by a coupling agent used in traditional detection methods are cover; and the detection field environment is identified through a 3D scanner, processing using an industrial control computer is carried out to generate an automatic tour route and an acoustic testing path, and the omni-directional moving platform cooperates with the robot arm to realize the automatic detection ofthe one interface, so the detection efficiency is high, and the detection result is objective and accurate.

The invention belongs to the technical field of intelligent cabinet detection, and particularly relates to a test system for the circuit board of an intelligent cabinet. The test system comprises a test fixture, a test terminal and a test tooling plate, and the test fixture is used for fixing a to-be-tested circuit board; the test fixture comprises a connecting wire, and the test fixture plate isconnected with the to-be-tested circuit board through the connecting wire; the to-be-tested circuit board comprises a wireless communication module, and the wireless communication module is connectedwith the test terminal; and the test tool plate is used for simulating part actions of the intelligent cabinet, the test terminal is used for sending a test instruction to the to-be-tested circuit board, the to-be-tested circuit board is used for controlling actions of the test tool plate according to the test instruction, and the test terminal is used for receiving the action information of the test tool plate sent by theto-be-tested circuit board. By adopting the test system, related tests can be automatically completed, and compared with manual tests in the prior art, the test system is high in efficiency and more accurate in test result.

The invention relates to an automatic detecting device for a backboard connector. The device is equipped with an upper computer, a charging and discharging unit, a detecting unit, a clamp, a movement control unit and a transmission unit; the detecting unit comprises an appearance detecting unit, a precise measuring unit and an inserting drawing force measuring unit. The device is able to detect the key parameters which influence the electrical connecting performance of the backboard connector, including reading the silk-screen information, detecting appearance damage and scratch, measuring the true position of an inserting pin, measuring the true position of a pin, measuring opening dimension of a spring plate, detecting position of the spring plate in an inserting hole, and measuring inserting and drawing force of the inserting hole. With the adoption of the device, the whole detecting process can be automatically performed; in addition, the average detecting time of single backboard connector is reduced by the mode of multi-station synchronous working, and the detecting efficiency can be effectively increased.

The invention relates to a novel intelligent pain measurement instrument. The novel intelligent pain measurement instrument comprises a host box, a detector, a data line, a micro printer, a power module, a control unit, a handle, protrusions, a USB interface, a first data interface and a second data interface, wherein the handle is installed on the upper end of the host box, the protrusions are arranged on the handle, the micro printer and the control unit are installed on the front face of the host box, the power module is installed on the bottom of the host box, the USB interface and the first data interface are installed on the side face of the host box, the control unit is connected with the micro printer, the power module, the USB interface and the first data interface, the first data interface is connected with the second data interface through the data line, and the second data interface is installed on the detector. The novel intelligent pain measurement instrument is simple in structure, the pain degree of a human body can be measured conveniently and rapidly, the pain degree is displayed digitally, a user can observe a measurement result more visually, and the detection result is objective and accurate.