149results about How to "High screening accuracy" patented technology

The invention discloses a term extraction method and system oriented to academic paper. The term extraction method comprises the following steps: performing preprocessing, including text block annotation, text block screening, word segmentation and part-of-speech tagging and noise word removal, on an academic paper corpus; performing candidate term extraction on a title, an abstract and keyword text blocks to form a candidate term set; screening and filtering word type terms and compound word type terms in the candidate term set respectively to obtain a new candidate term set; and determining weights of positions according to position information of candidate terms by an analytic hierarchy process, performing overall rating, ranking the candidate terms according to ratings, and taking TopN candidate terms or candidate terms of which the ratings are greater than a threshold value as extracted terms. Through adoption of the term extraction method and system, the term distribution characteristic of the academic paper and class information of the academic paper are considered fully, and the accuracy and recall rate of term extraction of the academic paper are increased.

The invention discloses an information processing method and electronic equipment. The electronic equipment comprises M-numbered application programs. The method comprises the steps that a first notification message is received; the first notification message is judged to see if the first notification message is the notification message of the first application program of the M-numbered application programs, and a first judging result is obtained; if the first judging result is yes, first identification is generated and displayed, wherein the first identification is used for representing the attribute information of the notification message received by the first application program, and the received notification message at least includes the first notification message. The information processing method and the electronic equipment are used for solving the technical problem existing in electronic equipment of the prior art that received application notification messages are not subjected to classified statistic, the technical effect of classified statistic conducted on the received application notification messages is achieved in turn, and the user experience is further improved.

The invention provides an image data augmentation method. The method comprises: S1000, acquiring image data corresponding to category information of a to-be-screened image set; S2000, according to a preset screening strategy and a sample image corresponding to the category information, identifying the image data; S3000, classifying the image data based on the identification result to obtain an image data set; and S4000, carrying out adversarial training on the image data set to obtain a sample data set. The preset screening strategy includes one or more of similarity screening, hash value filtering, and keyword filtering. Therefore, the manual sample data set screening is reduced; the screening efficiency and screening reliability are improved; and the accuracy of the neural network is enhanced.

The invention discloses a superfluous picture deletion method and a superfluous picture deletion device, and belongs to the field of computers. The deletion method comprises the followings steps of acquiring the marks of all pictures in a program installation package; extracting picture relevant files in the program installation package, which are files relevant with applied pictures in the program installation package; acquiring the marks of the applied pictures in the program installation package according to the extracted picture relevant files; acquiring the marks of superfluous pictures on the basis of the marks of all pictures and the marks of the applied pictures; and deleting the superfluous pictures in the program installation package according to the marks of the superfluous pictures. According to the superfluous picture deletion method and the superfluous picture deletion device, disclosed by the invention, the marks of all the pictures and the marks of the applied pictures in the program installation package are obtained, the superfluous pictures can be deleted according to the marks of all the pictures and the marks of the applied pictures, and the purposes of shortening the selection time of the superfluous pictures and improving the selection accuracy of the superfluous pictures can be achieved.

The invention discloses a coronary heart disease intelligent screening device on the basis of machine learning methods. The coronary heart disease intelligent screening device comprises a basic information acquisition unit, a symptom and sign acquisition unit, a biochemical index acquisition unit, a living habit acquisition unit, an electrocardiography signal processing unit, a heart sound signalprocessing unit, a pulse wave signal processing unit, a physiological signal joint processing unit, a multi-information fusion unit, a coronary heart disease manual intelligent assessment unit, a health management scheme formulation unit and a coronary heart disease data server. The coronary heart disease intelligent screening device has the advantages that electrocardiography signals, heart soundsignals and pulse wave signals are deeply mined, specific indexes capable of improving the coronary heart disease screening accuracy are extracted, the electrocardiography signals and the pulse wavesignals are jointly synchronously analyzed, indexes capable of reflecting the coronary arteriosclerosis degrees are extracted, accordingly, coronary heart disease incidence risks can be assessed at multiple levels and multiple angles, and the coronary heart disease screening sensitivity can be improved; the coronary heart disease intelligent screening device has additional self-learning and re-optimization functions, and accordingly the coronary heart disease screening accuracy can be constantly improved.

The invention discloses a method for rapidly identifying a wild yellow croaker, comprising the steps of measuring eye diameter, head length, body height, body length, lip length, head length, caudal peduncle height and caudal peduncle length and screening out the wild yellow croaker according to a screening standard, wherein the ratios of the eye diameter to the head length, the body height to the body length, the lip length to the head length and the caudal peduncle height to the caudal peduncle length are calculated. The invention also discloses a special device with the method, comprising a machine base provided with a conveyer belt, wherein the upper edge of the machine base is provided with a glass plate so that the conveyer belt, the machine base and the glass plate form a tube body cavity the upper side of which is transparent; a support is arranged at the middle part of the side of the machine base and is provided with a video camera; the support is also provided with a diffuse reflection light; the machine base near the discharging end of the conveyer belt is provided with sorting holes; a sorting device is arranged near the discharging end of the conveyer belt; and the sorting device and the video camera are connected with a control computer. The special device has the advantages of high sorting efficiency, accuracy in sorting and less harm to the croaker body.

The invention discloses a method for screening candidate items and a device thereof, a text input method and an input method system. The method for screen candidate items comprises steps of: capturing sliding tracks of users on a screen; identifying whether the sliding tracks are tune sliding tracks; recognizing tunes which correspond to the tune sliding tracks and buffering the tunes which are recognized in a buffer zone if the sliding tracks are the tune sliding tracks; screening the candidate items in sequence according to the tunes in the buffer zone and displaying the candidate items after screening in a display zone; emptying the buffer zone upon receiving the operation of users on the screen. According to this arrangement, the efficiency of selecting the candidate items and inputting of users can be improved.

The invention belongs to the field of traditional Chinese medicine and computer interdisciplinary science, and specifically provides a traditional Chinese medicine habitus screening expert system and a control method thereof. The traditional Chinese medicine habitus screening expert system provided by the invention is mainly composed of four parts including a man-machine interaction module, a knowledge base module, a sample library module and an inference engine module. Beneficial effects which can be realized are as follows: the traditional Chinese medicine habitus screening expert system provided by the invention can quickly and accurately obtain traditional Chinese medicine habitus classification of a to-be-screened sample in a self-service manner. According to the traditional Chinese medicine habitus classification obtained through the traditional Chinese medicine habitus screening expert system and the control method thereof provided by the invention, more targeted conditioning for biased habitus can be carried out, and finally, the effect of getting twice the result with half the effort and quickly regulating the biased habitus is realized. Meanwhile, the traditional Chinese medicine habitus screening expert system provided by the invention has self-learning function, and can automatically store and enrich own stored samples through continuous use, and finally screening accuracy of the system is improved step by step.

The invention discloses a method for screening diabetes markers from body fluid metabonome profile. Fluid body metabolites are analyzed by using a gas phase chromatography mass spectrometer to obtain a metabonome profile, a double cross validation screening model is set up to analyze the metabonome profiles of a diabetes patient and a healthy person, and screening diabetes-specific markers. The double cross validation screening model classifies the metabonome profile as a model set and a test set in the outer layer cross validation, the model set is classified as a training set and a validation set in the inner layer cross validation, partial least squares-discriminant analysis (PLSDA) models are set up in the outer layer and the inner layer respectively, modeling process and preliminary model optimization are performed in the inner layer, the classification predication ability of the model is examined in the outer layer and ultimate model parameters are confirmed, and the markers in the metabonome profile can be obtained by using an ultimate screening model. The method can realize efficient and accurate screening for the diabetes-related markers, and has the advantages that the accuracy rate is high, the erroneous rate is small, the parameters of the screening model are optimized automatically and a data preprocessing method can be optimized. The validation of the discriminant analysis indicates that, the average accuracy of the predication reaches 98.3% and the positive detection rate reaches 100%. The method disclosed by the invention brings a prospect of high throughout screening for the diabetes markers and clinical applications.

The invention discloses a threaded screening machine. A first inner groove and a second inner groove are formed in the opposite side walls of a first positioning block and a second positioning block which can be capable of sliding to each other, on a rack, and are matched with the circumferential outer side walls of nuts; a discharging hole of a feeder is formed right above a position between the first positioning block and the second positioning block; a pushing block and a gauge are positioned on both axial sides of the first inner groove and the second inner groove respectively, and are collinear with the axis of an assembly of the first inner groove and the second inner groove; the gauge can rotate in the circumferential direction and can be slidably positioned on the rack in the axial direction; the pushing block can slide in the axial direction and can be locked and positioned on the rack in the circumferential direction; a first power device, a second power device, a third power device and a fourth power device can drive the pushing block, the gauge, the first positioning block and the second positioning block to move; a controller is used for controlling the motions of the first power device, the second power device, the third power device and the fourth power device respectively. The threaded screening machine is high in screening speed, high in production efficiency, high in screening accuracy and low in labor intensity; an operator only needs to operate screening equipment to take an unqualified product out.

A time label combination method, comprising the steps: collecting data acquisition system digital measurement values and establishing a database for the measured values; identifying atomic time label quantities and shape fluctuation statistics; estimating a covariance matrix of each atomic time label; according to the least squares criterion, giving the time label combination. Also provided is a time label combination system, comprising a low-dose pre-acquisition data module, a digital identification module, a quantitative variance calculation module, and a time label combination parameter calculation module. By means of using the described time label combination method and system, system time resolution is effectively increased, and the invention is particularly suitable for nuclear instrument time acquisition.

The invention relates to a license plate positioning method and a license plate positioning system based on cascading morphological transformation. The method comprises: performing downsampling and grey processing on an original image to obtain a gray image; performing cascading morphological transformation and binaryzation on the gray image, primarily screening a communicating area to obtain a plurality of candidate areas; computing the similarity between the color histogram information of each candidate area and the color histogram information of a standard license plate, and judging a license area according to the similarity; mapping the license plate areas into the original image through the inverse operation of downsampling, and thereby obtaining the corresponding original license plate area. According to the license plate positioning method and system based on cascading morphological transformation, gray processing, cascading morphological transformation and binaryzation are performed on the image to improve robustness in the positioning of candidate areas of the license plate and positioning speed of the license plate, meanwhile interference of strong light is suppressed, the contrast ratio of characters in the license plate area is increased, and screening accuracy of the license plate area is improved; the license plate positioning method and system based on cascading morphological transformation are applicable to environments with different light conditions and complex scenes, and can be used for simultaneously positioning the plurality of license plates.

The invention discloses a drought-resistance seed sieving method. An agar bed is adopted for sieving. When the method is adopted, the seed sprouting media are very uniform, in addition, the repeated differences are very small and can be ignored, drought-resistance materials can be sieved out from a great number of varieties reaching thousands of parts, the efficiency is high, the repeatability is good, the accuracy is high, the operation is simple, the water dispersion is uniform, and the water supplementation operation is not needed in the sieving process.

The invention discloses a method and device for screening a to-be-built WLAN station point, belongs to the technical field of communication, and can solve problems that a station building hot spot screening method in the prior art needs a large amount of equipment and manpower, is complex in operation, also needs a large amount of time and resources and is higher in cost. The method comprises thesteps: screening out a hot spot cell identification (CI) region with the data traffic reaching a preset value, and dividing the hot spot IC region into grids in a predetermined size; calculating a related service cell of the grids and the signal quality parameters of the related service cell; analyzing an obtained MR (measurement report), and obtaining a related service cell of the MR and the signal quality parameter of the related service cell of the MR; determining the MR matched with the grids; calculating the number of effective users of a main coverage cell of the grids according to the MR matched with the grids; and screening out the grid serving as a to-be-built WLAN station point according to the number of effective users of the main coverage cell of the grids.

The invention discloses a splicing method and system of picture data and label information. The method includes: acquiring the picture data and the label information by terminal equipment; writing thelabel information into an excel file to obtain a target excel file; storing the picture data and the target excel file to an information folder by the terminal equipment; compressing the informationfolder to obtain a compressed file, and uploading the compressed file to a background server; receiving the compressed file by the background server, decompressing the compressed file to obtain the information folder, and storing the information folder to a preset path; sequentially storing the label information and corresponding picture calling paths to corresponding storage objects according tothe information folder to obtain target storage objects, wherein the target storage objects store the label information and the corresponding picture calling paths; and sequentially importing all thetarget storage objects into a database, and generating corresponding import feedback information. The method reduces labor and a disk occupancy rate, and reduces an error rate.

The invention relates to a screening device, in particular to a screening device of iron ores for metal smelting. According to the screening device of the iron ores for metal smelting, the operation is simple and reliable, environmental influence is small and screening accuracy is high; the screening device of the iron ores for metal smelting comprises supporting legs, first connecting rods, a screening mechanism, a screening frame, a filter screen plate, a guide frame, a pouring mechanism, a first placing plate, a first collecting box, a second placing plate and the like; the first connectingrods are arranged on the left side supporting leg and the right side supporting leg, the screening mechanism is installed on the first connecting rods, the screening frame is arranged on a moving part of the screening mechanism, and the filter screen plate is arranged inside the screening frame. The screening device of the iron ores for metal smelting has the beneficial effects that through mutual cooperation of the screening mechanism and the pouring mechanism, the iron ores placed in the screening frame are screened, and meanwhile, optimization of a spraying mechanism and a descent controlmechanism is utilized, so that the effects that operation is simple and reliable, the influence on the environment is small, and the screening accuracy is high are realized.

The invention relates to a news page generation method and a device, computer equipment and a storage medium. The method comprises the steps of obtaining an importance score of each news article according to article content of each news article and point display data of each news article; obtaining the first N news articles after the news articles are sorted according to the corresponding importance scores from high to low; generating respective abstracts of the N news articles and total titles of the N news articles; and generating a news page containing the respective abstracts of the N newsarticles and the total titles of the N news articles. The news articles in the news page generated in the process are automatically screened and generated by the computer equipment according to the news articles and the click-display data of the news articles; the problem that screening of news articles is greatly influenced by subjectivity is avoided, the screening accuracy of the news articlesin the news page in the comprehensive form can be improved, and therefore the publishing effect of important news is improved.

The invention relates to a wrong and neglected mounting detection device of an air conditioner air outlet, which comprises a bottom board (1), a locating block (2) and a control box (3), wherein the upper end of the locating block (2) is provided with a bulge (4) for being in socket joint with the lower end of the air conditioner air outlet; an air door detection mechanism (5) is arranged on the bulge (4); a horizontal blade detection mechanism (6), a vertical blade detection mechanism (7), a crank detection mechanism (8) and a three-component detection mechanism (9) are arranged on the bottom board (1); the horizontal blade detection mechanism (6), the vertical blade detection mechanism (7), the crank detection mechanism (8) and the three-component detection mechanism (9) are all distributed around the locating block (2); a wrong and neglected mounting display lamp (10) and a finished product display lamp (11) are arranged on the control box; and each of the detection mechanisms is connected with the control box (3). Compared with the prior art, the device has the characteristics of being relatively high in sieving accuracy rate, relatively high in sieving efficiency and relatively low in sieving cost.

The invention relates to screening method of a pumpkin material for a glossy disease-resistant rootstock. The method comprises the following steps: (1) grafting: collecting different pumpkin germplasm materials, grafting cucumber scions to pumpkin seedlings having two true leaves and an apical bud, pinching the true leaves of rootstock pumpkins before the grafting, retaining growing points, planting grafted seedlings, and retaining two vines, a cucumber vine and a pumpkin vine; (2) cucumber glossy performance screening: comparing and screening the grafted seedlings, selecting materials with the most obvious cucumber dewaxing powder and the best brightness, after bearing 2 to 3 cucumbers, removing the cucumber vines in time, only retaining the pumpkin vines to identify and screen disease resistance character or reserve seeds; (3) pumpkin rootstock disease resistance screening: screening the grated seedlings for resistance to fusarium wilt, resistance to powdery mildew, and resistance to CGMMV, selfing the materials with resistance to disease and cucumber glossy performance and retaining F1 generation pumpkin seeds. The method has short breeding time, high efficiency and standardized means, and can retain the fine properties of pumpkin seedling and rootstock at the same time.

The embodiment of the application discloses a feature selection method, a device and equipment. By acquiring a plurality of features to be selected and data corresponding to the plurality of featuresto be selected respectively, the acquired features to be selected and data corresponding to the plurality of features to be selected are input into a random forest model for training to obtain a plurality of different decision trees. According to the weights of the features to be selected in each decision tree, an important index reflecting the importance of the features to be selected is synthetically obtained, and then the features to be selected are screened according to the important index. Compared with the prior art, the embodiments of the present application do not depend on the hierarchy of the features to be selected in a single decision tree, weaken the influence of the determination of the position of the features to be selected in a single decision tree on the screening of thefeatures to be selected, and improve the screening accuracy of the features to be selected. At the same time, the technical scheme can reduce the influence of the imbalance of single decision tree tothe selection of features, and then improve the accuracy of the selection of features to be selected.

The invention discloses an individual body temperature anomaly screening method. The method comprises the steps of acquiring infrared radiation data of a target group by using infrared detection equipment within a preset distance range; performing average value operation on the infrared radiation signals corresponding to each target individual in the target group contained in the infrared radiation data to obtain an average value of the infrared radiation signals of the target group; performing difference operation on the infrared radiation signal corresponding to each target individual and the average value of the infrared radiation signals to obtain a radiation difference corresponding to each target individual; and judging whether a target individual of which the corresponding radiationdifference value exceeds a preset threshold range exists in the target group, and if so, determining that the target individual of which the corresponding radiation difference value exceeds the preset threshold range is an individual with abnormal body temperature. According to the method, errors generated by the external environment on screening of individuals with abnormal body temperature areeliminated, and the operation process is simple. The invention further provides a device and equipment for screening the abnormal body temperature of individuals, and the device and equipment have theabove beneficial effects.

The invention discloses an automatic screening machine. The automatic screening machine is characterized in that one side of a screw positioning push block is provided with a clamping groove for containing screws, one side surface of the screw positioning push block closely props against a feeding channel outlet of a feeder, and the feeding channel outlet of the feeder is capable of aligning with the clamping groove of the screw positioning push block; an idler wheel group comprises a pair of idler wheels which are rotated in the same direction, an imaging device is positioned right above the idler wheel group, and the idler wheel group is positioned in an imaging region of the imaging device; a material taking device is capable of conveying the screws in the clamping groove of the screw positioning push block to the middle position of the idler wheel group and conveying the screws of the middle position of the idler wheel group to the material receiving device, and the material taking device can be positioned on a rack in a rotating manner; material boxes are respectively arranged below the two sides, which are perpendicular to a revolving shaft, of the imaging device transmits information to a controller, and the controller controls the movements of the material receiving device, the material taking device and the screw positioning push block. The automatic screening machine provided by the invention has the advantages that the structure is simple, the screening speed is rapid, and the screening accuracy rate is high.

The invention belongs to the technical field of genetic engineering, in particular to a patent application matter of a yeast two-hybrid library construction method. A method for constructing a full-length transcription factor library of tobacco genome specifically comprises transcription factor screening and designing full-length amplification primers of an open reading frame, preparing a cDNA template, PCR amplification, phosphorylation treatment, linking a recombinant linker, constructing a library plasmid of full-length transcription factors, plasmid transformation and constructing a library, and that like. A method for construct a yeast two-hybrid library of full-length transcription factors is a further comprehensive improvement of existing construction methods, it has the advantagesof high positive screening rate of transcription factors, high screening accuracy and high quality of constructed libraries. Meanwhile, it can save construction time and construction cost because of the optimization of related operation steps, so it has good practical value and popularization significance.

The invention discloses a cultivation method of chili disease-resistant homozygote. The method includes steps: culturing and identifying tissue: utilizing a conventional culture medium, using trehalose to replace sucrose, adding lycium ruthenicum juice filtrate nutritional ingredients to prepare a specific culture medium formula, and performing explant selection, explant treatment, anther culture,complete plant acquisition, colchicine treatment and ploidy identification on chili to obtain homozygote seedlings; utilizing molecular marker technology for virus disease resistant molecular markerscreening to obtain virus disease resistant homozygote plants. The method can remarkably shorten screening period and quickly acquire the chili disease-resistant homozygote, is simple to operate, lowin cost and easy for popularization, can be directly applied in production and has good economic benefit and social benefit,, and anther cultured seedlings are high in survival rate and stress resistance after being transplanted.

The embodiment of the invention discloses a text information screening method, device and equipment, and the method comprises the steps: obtaining a related question text corresponding to a target question text, and enabling an answer text of the related question text to form a candidate answer text; performing word segmentation on the candidate answer text to obtain a word segmentation result, and calculating a word segmentation transition probability according to an association relationship among segmented words in the word segmentation result; and calculating a probability value of each candidate answer text according to the segmented words included in each candidate answer text and the segmented word transition probability, and determining the candidate answer text with the maximum probability value as a target answer text of the target question text, wherein the probability value of each candidate answer text calculated on the basis of the word segmentation transition probabilityaccurately represents the possibility that each candidate answer text can accurately reply to the target question, so that the accurate target answer can be accurately screened out subsequently on thebasis of the probability value, and the screening accuracy of the target answer is improved.

The invention provides a point cloud data screening method and device. The point cloud data screening method comprises the steps of: acquiring to-be-identified point cloud data which is obtained through the scanning a first region by using a radar device disposed on a vehicle; and determining point cloud data corresponding to a static object in the to-be-identified point cloud data according to the attribute information of each map grid, wherein each map grid is obtained by dividing the first region, and the attribute information of each map grid is determined according to the parameter information of the vehicle and positioning data collected by a positioning device deployed on the vehicle in the driving process of the vehicle in the first region, the attribute information of the map gridcomprises state information of the map grid, and the state information comprises a passable state and a non-passable state.

The invention discloses a high-throughput sequencing-based ilisha elongate SNP marker developing method and application thereof. The high-throughput sequencing-based ilisha elongate SNP marker developing method comprises genome DNA (deoxyribonucleic acid) extraction, RAD (restriction site associated DNA) library construction and high-throughput sequencing, original sequence data filtering, and SNPinformation site detection and screening; during genome DNA extraction, circular DNA and chitin are added to effectively improve SNP marker screening accuracy and acquiring efficiency. Ilisha elongate high-density SNP sites acquired through the method can be applied to research on ilisha elongate population genetic structures, provide important scientific guidance for illumination adaptive mechanism of groups to local environments as well as reasonable development and management protection of ilisha elongate resources, and be scientifically significant to both declining species resource supplementation and healthy development of ecological systems. The high-throughput sequencing-based ilisha elongate SNP marker developing method has the advantages of being simple, high in efficiency, highin SNP marker screening and acquiring efficiency, good in repeatability, low in cost and the like.

The invention discloses a standing method for self-discharge detection of a lithium ion battery. The method comprises the following process. The process comprises the following steps of charging a battery with a certain electric quantity, completing primary voltage screening on charging and discharging equipment, applying a certain pressure to the battery, standing in a high-temperature environment, standing in a normal-temperature environment, measuring a first open-circuit voltage of the battery and recording time, standing in the normal-temperature environment, measuring a second open-circuit voltage of the battery and recording time, and screening a battery cell with abnormal voltage and self-discharge. Certain pressure is applied to the battery in the standing process of self-discharge detection, and the direction of the force is perpendicular to the layered structure of the positive plate-diaphragm-negative plate, so that the problem that the abnormal battery cell cannot be identified due to an overlarge gap between the plate pieces of the self-discharge abnormal battery cell is avoided. The method is short in screening time and high in efficiency, the screening rate is closeto 100%, and the screening accuracy is greatly improved.

The invention discloses a plastic bottle cap orientation screening device which comprises a hopper and a chain-plank conveying belt, a push-off plate is fixed above the upper portion of the chain-plank conveying belt, an installing plate is arranged on the right side of the upper portion of the chain-plank conveying belt, a longitudinal stop lever is arranged on the installing plate, and a first screening rail is fixed to the position, below the longitudinal stop lever, of the installing plate. The lower end of the first screening rail abuts against a second screening rail, a height differenceexists between the lower end of the first screening rail and the higher end of the second screening rail, the lower end of the second screening rail communicates with a discharge opening, a stock guide is arranged below the first screening rail, and the upper end of the stock guide is fixedly connected with the installing plate. The lower end of the stock guide is located in the hopper. A partition plate is fixed to the edge of the outer side of the stock guide, a material collecting groove hopper is fixed to the right side of the partition plate, a material leaking opening is formed in the upper portion of the material collecting groove hopper, and a discharge outlet is formed in the partition plate. The plastic bottle cap orientation screening device provided by the invention is simplein structure, stable in operation, capable of being used for fast screening plastic bottle caps according to the orientation, and high in screening accuracy rate.

The invention relates to the technical field of packaging and inspection, in particular to a packaged food packaging inspection method and matched inspection equipment. The method comprises the steps that after the food packaging process is completed, packaged food is fed to a first-stage conveying production line; packaging boxes on the first-stage conveying production line are weighed through an electronic scale; whether the packaging boxes weighed by the electronic scale are qualified or not is judged; after the packaging boxes are weighed by the electronic scale to be qualified, the packaging boxes continue to enter a second-stage conveying production line, and transfer conveying is completed; otherwise, the packaging boxes enter a reinspection conveying production line; the packaging boxes entering the reinspection conveying production line are reinspected through manual disassembly inspection and are reloaded with food meeting requirements, and packaging is performed to form secondary qualified packaging boxes; and the packaging boxes obtained after transfer conveying are delivered out of a warehouse and loaded onto a truck. According to the inspection method, whether the current packaging boxes meet requirements or not is judged by performing electronic weighing and comparing the electronic weighing result with a preset standard weight value, the operation is easier and faster, the inspection method can be applied to various kinds of food, and the defect of X-ray irradiation is avoided.