38results about How to "Exclude subjective factors" patented technology

The invention discloses a spectrum wave number selection method. Correction samples are randomly sampled many times according to wave numbers of spectra, a partial least square regression model is built, a variable projection importance coefficient of each wave number is calculated, the variable projection importance coefficients are sequenced in a descending mode, wave number sets corresponding to the distribution sequence are obtained, the re-sequenced wave number sets are subjected to wave number screening step by step, a result of each time of wave number selection is calculated, and a wave number primary selection set is obtained; then, absolute values of a partial least square regression coefficient of each wave number in the wave number primary selection sets is counted and correspondingly processed, the processed partial least square regression coefficients are sequenced in a descending mode, a corresponding wave number distribution sequence is recorded, then a strategy for reversely eliminating wake-correlation wave numbers is adopted, and the optimal feature wave number set is obtained. The method can fully mine effective information in wave numbers, effectively solves the subjectivity problem of wave number selection, extracts feature wave numbers to the largest extent, eliminates influences of weak correlation factors, and remarkably improves robustness and precision of the model.

The invention discloses an operating device for densely-installed valves. The problem that for dense valve tree using occasions, the operating space of an existing valve operating device is limited issolved. The operating device comprises a moving chassis, a multi-axis driving mechanism assembled on the moving chassis, and a self-limiting valve opening-closing device, and is characterized in thatthe self-limiting valve opening-closing device comprises a valve opening-closing transmission mechanism, a limiting compensator and a wrench which is of a clamping claw structure, the multi-axis driving mechanism is fixedly connected with a connection flange of the moving chassis through a base of a first RV speed reducer and orderly moves along with the moving chassis; and the valve opening-closing transmission mechanism composed of a telescopic rotation driving mechanism and a barrel body drives the wrench of the clamping claw structure through the limiting compensator, rotating is conducted while axial sliding is carried out, and valve opening, closing and adjusting are completed. The operating device is reasonable in structural design, safe, easy and convenient to operate, and quick and stable in operating, the operating enveloping space is not limited, manual valve operating can be effectively replaced, operating is more precise and reliable, and the operating efficiency is remarkably improved.

The invention discloses a device for measuring a settling ratio and an optimal settling ratio of sludge in a mechanical acceleration settling pond and a method for measuring the settling ratio and theoptimal settling ratio of sludge by using the device, wherein the device comprises a shell, a settling assembly, an interface observation assembly and a control assembly, and a cavity is arranged inthe shell; the settling assembly and the interface observation assembly are arranged in the cavity in the shell; the settling assembly comprises two settling pipes which are connected in series, the volume of a first settling pipe is larger than or equal to the volume of a second settling pipe, the first settling pipe communicates with the second settling pipe through a connecting pipe, and the settled and concentrated sludge liquid in the first settling pipe is injected into the second settling pipe. The device of the invention is a portable device with simple structure, small size and compactness, is automatically controlled, is capable of obtaining the settling ratio and the optimal settling ratio of the sludge in the sludge liquid, overcomes artificial subjective factors, has accuratedata measurement, can automatically sample and analyze settling characteristics of the sludge, and provides guidance parameters for tap water treatment operation.

The invention relates to a leukocyte image detection and recognition model construction method based on transfer learning and application. The leukocyte image detection and recognition model is trained by constructing a leukocyte image detection and recognition model based on transfer learning, taking a coco data set and labeled leukocyte images as samples. The leukocyte image detection and recognition model extracts three-level fused feature pyramids, different prior contour frames are set corresponding to leukocytes with different size features, network convergence is accelerated, and the recognition efficiency and accuracy are improved. The leukocyte images are automatically and efficiently detected, recognized and counted based on the leukocyte image detection and recognition model, the detection and recognition precision is improved, human and subjective factors are eliminated, and fairness and objectivity are achieved. According to the method, the reasoning time for detecting andidentifying one image is 0.05 second, and analysis of 20 leukocyte images can be completed per second. And the identification accuracy of six normal types of leukocytes reaches 98%.

The invention discloses an automatic testing method for video playback starting. According to the automatic testing method, video playback equipment is connected with a test system through a network; the video playback equipment opens a to-be-tested video; the test system shoots a screen of a play home page of the to-be-tested video; the video playback equipment starts playing the to-be-tested video; the test system intercepts a plurality of screenshots after playback of the to-be-tested video is started, marks a real-time time point of each screenshot, and records the playback starting time point when the to-be-tested video begins to be played; the test system compares the screenshots after playback of the to-be-tested video is started with a standard screenshot file one by one, deletes the screenshots which are different from the standard screenshot file until the test system obtains the screenshot which is the same as the standard screenshot file, and then calculates the playback starting time duration. According to the automatic testing method for video playback starting, the instantaneous moment of video playback starting can be timely captured through an automatic test; mechanical and repetitive tests can be efficiently and accurately finished; the software test period is effectively shortened; and the test reliability and accuracy are improved.

The present invention provides a multi-dimensional hotel scoring method, which includes the steps of obtaining multi-dimensional data of the hotel, performing score calculations for the hotel to be evaluated in the dimensions of facilities, location, price, sound insulation, and catering, and obtaining the scores under each dimension. And the steps of calculating the comprehensive score of the hotel through the scores of each dimension. From the point of view of guest concerns, the present invention provides a standardized scoring method for comprehensive evaluation combined with guest concern elements, not only examining the hotel's own software and hardware conditions, but also examining various conditions of the hotel's environment, and the evaluation factors are comprehensive , and the evaluation method is relatively objective.

The invention relates to the technical field of mesoscale weather forecasts, utilizes conventional observational data, encrypts data of automatic stations and wind field information of an MICAPS (Meteorological Information Comprehensive Analysis and Process System), and combines low-level jet characteristics, so as to realize automatic identification of low-level jet streams at the 850hPa isobaric surface in coastal areas of Eastern China. The invention adopts a technical scheme that automatic identification and drawing of low-level jet streams based on the wind field information of the MICAPS comprise the following steps: step 1, extraction of automatic stations; step 2, preprocessing; step 3, clustering; step 4, fitting; after clustering is terminated, each cluster represents one jet stream, and in order to directly showing jet streams, fitting should be performed for the clustered automatic stations, polyline fitting is performed firstly, and then polyline smoothing is performed. The invention is mainly applied to weather forecasts.

The invention belongs to the technical field of remote sensing data application and satellite image processing and particularly relates to a method for automatically classifying a satellite image scene based on morphological component analysis. The method comprises the following steps of (1) constructing a dictionary matrix through an independent meta-analysis method; (2) decomposing morphological components of a satellite image based on the morphological component analysis theory; (3) decomposing the satellite image into a texture layer and a bottom layer; (4) performing quantitative calculation on the total probability of classification of an objective image scene according to a mechanism of maximum likelihood estimation with combination of features of the texture layer and the bottom layer, and automatically classifying the satellite image scene with the quantitative calculation on the total probability of classification of objective image scenes as the basis. The method combines with a machine vision method and can be applied to a computer easily. System construction is performed more quickly and accurately through the computer than through a manual method, artificial subjective factors are eliminated, and cost is reduced. Furthermore, the method has high automatic identification accuracy and identification stability.

The invention belongs to the field of bridge maintenance, and particularly relates to a method for determining an optimal bridge maintenance technology combination under multiple diseases by using a genetic algorithm. According to the technical scheme, the method comprises the following steps that (1) determining maintenance technology list optimization indexes, wherein the maintenance technologylist optimization indexes comprise a cost index, a service life and an application index; (2) respectively carrying out data initial processing and normalization on the cost index, the adaptation index and the service life of the maintenance technology; (3) determining the weight value of each index by adopting a G1 method; (4) establishing a coefficient matrix of each index according to the normalized data; and (5) introducing a decision matrix, establishing a genetic algorithm multi-objective optimization model, and further determining an optimal maintenance technical list of the bridge under multiple diseases. The method for determining the optimal bridge maintenance technology combination under multiple diseases by using the genetic algorithm is wide in application range, simple in principle, convenient to use and good in reliability.

The invention discloses a self-limiting valve opening and closing device, and solves the problem of a traditional mechanical transmission mechanism incapable of extending front and back and adjustingleft and right in the center line direction of a valve mandrel of a valve hand wheel in multi-valve use places. The self-limiting valve opening and closing device comprises a valve opening and closingtransmission mechanism, a limiting compensator and a spanner, wherein the valve opening and closing transmission mechanism consists of an extension driving mechanism, a rotary driving mechanism, anda cylinder supported between the extension driving mechanism and the rotary driving mechanism; under driving by an extension motor and a rotary motor, when a hollow spline shaft penetrating through atransmission shaft of a rotary RV speed reducer axially slides in the cylinder, the hollow spline shaft is synchronously rotated around a center line parallel to a rotary shaft; and the spanner with aclamping jaw structure is driven through the limiting compensator, and is rotated during axially sliding to finish opening, closing and adjustment of a valve. The self-limiting valve opening and closing device is simple in structure, reasonable in design, convenient to operate and stable in operation, can effectively replace manual adjustment of the valve, is precise, fast and safe in operation,and prominently improves the operation efficiency.

The invention discloses a knowledge based agricultural material commodity recommendation method, and relates to the technical field of commodity personalized recommendation. The knowledge based agricultural material commodity recommendation method comprises the steps of analyzing user and commodity features by combining the problem background, and generating a case library structure according to the features; according to specific user information, judging whether a case corresponding to the user feature exists or not in the case library, and thus performing different operations on the case library; acquiring a commodity feature matched with the corresponding user feature from the case library, and generating an agricultural material commodity supposed to be recommended by combining the commodity information. Compared with a traditional agricultural material commodity recommendation method, the recommendation method provided by the invention solves a problem of cold start; the scientificity and effectiveness of agricultural material commodities are ensured based on actual requirements of users by combining agricultural production knowledge; the establishment of the case library enables the knowledge based recommendation to be more efficient.

The embodiment of the invention provides a lyric alignment method and a related product, and the method comprises the steps: carrying out the processing of human voice according to a preset time window, and obtaining N audio frames; marking each piece of lyric data according to the preset time window and the timestamp of each sentence of lyric in the plurality of lyric data to obtain a marking sequence of each piece of lyric data; and determining target lyric data in the plurality of lyric data according to the N audio frames and the mark sequence of each lyric data. By adopting the embodimentof the invention, the lyric alignment efficiency can be improved.

A mechanical force-applying table for the X-ray photography and diagnosis apparatus to diagnose if the lateral ligamenta collateralia of the joints of thumb and/or other fingers is broken by mechanically applying force is composed of a base plate, a force applying unit with 2-3 force-applying heads and a digital force display, and two supporters with multi-angle turned press head.

The invention provides a cosmetic soothing and repairing test method and application thereof, and the cosmetic soothing and repairing test method comprises the following steps: (1) performing spot pasting on human hand skin by using a stimulation solution to obtain a skin stimulation model, and detecting characterization parameters; (2) smearing a to-be-detected sample on the skin stimulation model obtained in the step (1), then detecting skin characterization parameters, and evaluating the soothing and repairing effects of the to-be-detected sample, wherein the solute of the stimulation solution in the step (1) comprises a combination of at least two of SDS, capsaicin or lactic acid. The testing method provided by the invention can effectively, scientifically and accurately detect the soothing and repairing effects of the cosmetics, and the detection speed is high.

The purpose of the patent of the invention is to make up for the deficiency of the prior art, and provides a method for determining the weight of an uninterrupted line based on a variable entropy weight method. To achieve the purpose, the method for determining the weight of the uninterrupted line based on the variable entropy weight method of the invention comprises the following steps of 1 establishing a power distribution uninterrupted work evaluation decision expert database; 2 obtaining a de-dimensioning standardized score matrix Hv. U; 3, calculating a constant entropy weight, and pre-processing the de-dimensioning standardized score matrix Hv. U by adopting a normalization method; 4, calculating the difference entropy weight; 5, calculating the variable entropy weight; 6, through the calculation, obtaining the adjusted evaluation result according to the variable entropy weight. The variable entropy weight method of the invention obtains the entropy weight of the representative weight completely according to the decision matrix, and can effectively avoid the influence of the subjective judgment error of the expert on the weight analysis. The combination of constant entropy weight and deviation weight can make the weighted results converge quickly, eliminate the subjective factors of individual experts, and improve the reliability of the evaluation results.

The invention belongs to the field of bridge maintenance, and particularly relates to a maintenance technology selection method under a single disease of a highway concrete bridge. The technical scheme is as follows: the method comprises the following steps: 1) determining a bridge maintenance technology selection index under a single disease; 2) quantifying the selection indexes; 3) determining weight values p1, p2 and p3 of each evaluation and selection index by using an analytic hierarchy process based on experts; and 4) calculating a comprehensive evaluation value of each maintenance technology by adopting a simple linear weighting method, and obtaining a bridge maintenance technology list under a single disease according to the comprehensive evaluation value of each maintenance technology. According to the maintenance technology selection method for the expressway concrete bridge under the single disease, the optimal maintenance technology under the single disease can be selectedaccording to the visual numerical calculation result, and therefore scientific decision making of bridge maintenance management is achieved.