42results about How to "The evaluation method is accurate" patented technology

The invention relates to an image definition evaluation method and an image definition evaluation device based on sparse representation, and belongs to the image definition evaluation method and the image definition evaluation device. The method comprises the following steps that: color natural images are subjected to graying; a great number of image blocks with the same size are randomly extracted from the color natural images to be used as training signals; an overcomplete dictionary capable of expressing image internal medium-high-layer features can be obtained on the training signals by using a dictionary learning algorithm; images to be evaluated are blocked; the blocking size is identical to that of the training signals; the gradient and the variance of each image block are calculated; on the trained overcomplete dictionary, each image block gradient signal is subjected to sparse decomposition to obtain a sparse representation coefficient of the signal; the energy of each image block is pressed by L2 normal number quadratic sum of each line of elements in a sparse representation coefficient matrix; the energy of the image blocks is subjected to sequencing from great to small; the image blocks with greater energy are selected, the energy of the image blocks is subjected to normalization processing by using the corresponding variance, and the mass fraction of the images to be evaluated is obtained; and the image definition is evaluated according to the mass fraction of the images to be evaluated.

The invention discloses a synthetic aperture radar (SAR) image quality evaluation method based on contrast sensitivity characteristics. The method can effectively eliminate noise interference of a high frequency part in an SAR image by utilizing similarity of wavelet decomposition and contrast sensitivity colony stimulating factor (CSF) function space frequency band pass. Simultaneously, the method is simple, convenient and accurate to calculate, free from referring the SAR image and capable of evaluating the image quality comprehensively and effectively only according to an HVSR parameter index. The method can be applied to the SAR image obtained by airborne or satellite borne synthetic aperture radar. A subjective no-reference image type SAR image quality evaluation model is established through the multichannel characteristics of contrast sensitivity in human eye vision and by combining a method of wavelet transform in image processing, and evaluation of the SAR image by real subjectivity is achieved. According to the SAR image quality evaluation method based on the contrast sensitivity characteristics, the defect that existing SAR image quality evaluation lacks subjective characteristics is remedied, and solid technical support for evaluating the SAR image and improving the SAR image quality in future is established.

The invention relates to a high-temperature high-pressure foam liquid dynamic filtration evaluation system and method. A filtration system comprises a filtration chamber and a stirrer, wherein a paddle-type stirrer is mounted in the filtration chamber; bubbled liquid and gas are mixed fully and uniformly, and meanwhile, the foam liquid is driven to rotate and move relative to the surface of a rock core; the filtration chamber is connected with a gas supercharging device and a heating device respectively; the gas supercharging device can ensure the filtration pressure in the filtration chamber to keep stable; a gas-liquid separator is connected with the outlet end of a back-pressure valve; the gas-liquid separator is connected with a gas metering device and a liquid metering device respectively. The high-temperature high-pressure foam liquid dynamic filtration evaluation system and method provided by the invention have the advantages that the system is scientific and reasonable in design, the evaluation method is accurate, and higher creativity is achieved.

The invention discloses a method for detecting f.CaO influencing the utilization of stabilization of steel slag, comprising the following steps: a. adding water in a steel slag sample at normal temperature, stirring and soaking to dissolve Ca(OH)2 in the slag sample; b. measuring the pH value of a free water solution which is dipped and deposited in defined time; c. continuously stirring a slag sample solid obtained by solid-liquid separation, dipping and depositing in defined time; d. repeating the steps of b and c till the pH value of the measured solution is neutral; and e. measuring the f.CaO of the slag sample solid obtained by separation by a glycol method. The method objectively reflects the degree of the content of the harmful f.CaO in the utilization of the steel slag, thereby providing a test and measuring guarantee for the utilization of the stabilization of the steel slag.

The invention discloses a method for improving the carbon sequestration capability of marsh lands and a method for evaluating the sequestration capability of marsh lands. The methods are used for solving the problems that the biological carbon sequestration capability is reduced due to the vegetation degradation of the existing natural marsh lands, the carbon sequestration capability of water bodies of the natural marsh lands is low, and no method is provided for simply and quickly evaluating the carbon sequestration capability of the marsh lands. The method comprises the steps of 1, carrying out a building project for improving the carbon sequestration capability of the marsh land in a target area; 2, releasing and reproducing aquatic economic animals for improving the carbon sequestration capability of the marsh land; and 3, recovering the vegetation for improving the carbon sequestration capability of the marsh land. The method for evaluating comprises the step of evaluating the carbon sequestration capability of the marsh land in the target area according to the total sequestrated carbon of the carbon sequestration organisms in the marsh land in a growing period. The method is applied in the technical field of ecological science.

The invention discloses a compost maturity rapid detection test paper box and a use method thereof. The test paper box comprises ninhydrin test paper, a colorimetric card and a detection container, wherein the ninhydrin test paper is ninhydrin-loaded test paper, wherein the number of the colorimetric cards is multiple, the color of the colorimetric cards is bluish violet, the colorimetric cards are sequentially arranged according to the depth degree of bluish violet, and bluish violet of the colorimetric cards is determined according to bluish violet generated by reaction of amino acid solutions with different concentrations and ninhydrin; and the detection container is provided with volume scales. The compost maturity detection method can be used for simply, conveniently and quickly detecting the maturity on site, is accurate, stable and reliable in maturity detection result and more flexible to use, and is suitable for detecting the maturity of various composts.

The invention belongs to the technical field of urban soil greening. The invention relates to the technical field of urban relocation, and discloses an urban relocation land greening obstacle degree evaluation method, which comprises the following steps: determining evaluation indexes according to the actual situation of an urban relocation, establishing a target layer, a project layer and an index layer to form an evaluation system, and respectively carrying out weight setting on each item of the project layer and the index layer to more scientifically express the real effect of each item ofindexes; and aiming at different properties, quantities, units and the like in the index layer, standardizing the indexes by establishing a mathematical model, and enabling each index to be in the same mathematical system, so that standardized calculation is facilitated.

The invention discloses an evaluation method for acoustic environment quality monitoring, which comprises the following five steps of: (1) determining the acoustic environment functional area category of a monitoring point position, and carrying out noise standard limit value statistics; (2) acquiring noise detection results of the environment, the road traffic and the functional area of the determined area; (3) normalizing the obtained monitoring result corresponding to the noise standard limit value of the monitoring point position, and calculating the sound environment quality sub-index of each monitoring point every day; (4) determining single sound environment quality comprehensive indexes in different evaluation periods and areas according to the single-point sound environment quality sub-index; and (5) performing arithmetic weighted calculation according to categories to determine the acoustic environment quality evaluation index. Three indexes (regional environment, road traffic and functional area environmental noise) of conventional monitoring in the urban acoustic environment functional area are integrated, the acoustic environment quality condition of each area can be evaluated more scientifically and accurately, and decision support is provided for environmental pollution prevention and control.

The invention discloses an impact risk evaluation method based on a roof rock stratum structure. The method comprises the following steps of: firstly, determining an impact risk evaluation object and a regional range, then collecting geological and mining related information in an impact risk evaluation region, then performing grid division on a to-be-evaluated region based on the collected geological and mining information, calculating roof thickness characteristic parameter values of geological drill holes, and determining the roof thickness characteristic parameter values of all grid nodes; finally, performing interpolation processing on the roof thickness characteristic parameter values of the to-be-evaluated region; and determining impact risk levels corresponding to different roof thickness characteristic parameter values. According to the impact risk evaluation method based on the roof rock stratum structure, all geological drill hole characteristics in the to-be-evaluated region can be fully utilized, more reasonable and accurate evaluation of roof rock stratum structure characteristics is achieved, the limitation and singleness of manual selection of geological drill holes are avoided, and the evaluation result is closer to the actual field condition.

The invention provides a test device for evaluating drainage asphalt pavement scattering and structure depth. The test device comprises a three-dimensional laser scanner, a fixed support frame and a computer, wherein the fixed support frame is a three-foot supporting or four-foot supporting support frame; the middle of the fixed support frame is connected with a carrying platform; the three-dimensional laser scanner is arranged on the carrying platform and is in communication connection with the computer. The invention also provides a method for evaluating drainage asphalt pavement scatteringand structure depth. The evaluating method is characterized in that point cloud data detected by the test device is processed and analyzed. The test device and method for evaluating drainage asphalt pavement scattering and structure depth provided by the invention has the advantages that the equipment structure is simple and portable; the test operation is simple; the evaluating method is accurateand reliable; the digitization degree is high; the influence by human factors is little; the applicability is high.

The invention discloses a vulcanization resistance evaluation method which comprises the following steps of: soaking a to-be-tested sample containing a silver protective layer in a thiourea solution, and evaluating the vulcanization resistance of the to-be-tested sample by testing the change of electrical properties of the to-be-tested sample before and after soaking. The method overcomes the defects of a method for evaluating the vulcanization resistance of a silver electrode of an electronic element by taking hydrogen sulfide and sulfur as raw materials, has the characteristics of simplicity and convenience in operation, low toxicity of the used raw materials, accuracy and rapidness in evaluation and the like, and is particularly suitable for evaluating the vulcanization resistance of a thick diaphragm resistor, a chip capacitor and a chip inductor.

The invention discloses a high-temperature creep and low-temperature relaxation performance balance design method for a recycled asphalt mixture. The method comprises the following steps: drawing up the RAP mixing amount; determining an initial asphalt-aggregate ratio and a regenerant mixing amount; preparing n groups of different recycled asphalt mixtures; testing to obtain creep indexes and relaxation index values of the original sample asphalt mixture and the recycled asphalt mixture; standardizing creep index and relaxation index values of the recycled asphalt mixture so as to eliminate the influence of different index dimensions; calculating equilibrium points of high-temperature creep and low-temperature relaxation performance; comparing the high-temperature creep and low-temperature relaxation properties of the recycled asphalt mixture at the equilibrium point with the original asphalt mixture; and determining an optimal balance point of high-temperature creep and low-temperature relaxation performance. According to the method, the recycled asphalt mixture is subjected to balance design from the viscoelasticity, the mixing amounts of the recycling agent and the original asphalt under different RAP mixing amounts are determined, and a new thought is provided for design of the recycled asphalt mixture.

The invention discloses an LC-MS characteristic chromatogram of leech enzymolysis polypeptide. The LC-MS characteristic chromatogram comprises 52 polypeptide component chromatographic peaks. The invention further discloses a detection method of the LC-MS characteristic chromatogram of the leech enzymolysis polypeptide, application of the detection method in quality control of leech medicinal materials and leech-containing preparations and application of the detection method in leech identification. According to the method, the quality of the medicinal material is controlled through the overall characterization of the leech enzymolysis polypeptide component, so that the method has relatively high accuracy and specificity; according to the method, the characteristic chromatogram for characterizing the leech enzymolysis polypeptide component is established, better specificity and efficacy correlation can be achieved, the clinical curative effect of the leech medicinal material can be guaranteed, and compared with other leech original animals, the characteristic chromatogram can effectively distinguish two leech original animals, therefore, the problems of primitive identification and authenticity identification of the leech medicinal material are effectively solved, and an accurate evaluation method is provided for identification of the leech medicinal material.

The invention relates to a method for evaluating immunization effect of vaccine used in breeder birds and egg birds (breeder (egg) birds for short) based on egg laying protection index, belonging to the field of preventive veterinary medicine. According to the method, the laying rates of breeder (egg) birds are set as an examination object, and the immunization performance index of bird vaccines in protecting breeder birds and egg birds from resisting pathogenic microorganism hazards and keeping good egg laying performance is evaluated by comparing the laying rate difference of vaccine immunized breeder (egg) birds and non-immunized breeder (egg) birds after being attacked by the corresponding pathogenic microorganisms. The evaluation method established by the invention is simple, accurate and scientific, is not only used for visual and scientific evaluation of the immunization effect of a vaccine with egg laying performance as index, but also used for determination of the virulence of a pathogenic microorganism which does not cause death of breeder birds (egg) birds but has an impact on the egg laying performance, so as to overcome the difficulty in method for virulence test, vaccine immunogenicity determination and vaccine immunization effect quantitative evaluation. The method of the invention fills the gap in China and abroad.

The invention provides a lung qi-blood barrier injury model as well as an establishment method and application thereof. In order to overcome the defects that an existing cell experiment cannot reproduce a lung qi-blood barrier matrix structure, cannot reflect the damage or repair process and mechanism of a lung qi-blood barrier on a tissue level, a protein level, a gene level and an ultrastructure, cannot reproduce the damage or repair process of the lung qi-blood barrier, and the like. The invention provides a lung qi and blood barrier injury model which is established by culturing a precise lung slice in a culture mold of a lipopolysaccharide-containing culture medium. The model not only can dynamically observe the lung qi-blood barrier injury and repair process in real time, but also can be used for exploring the drug repair mechanism after the lung qi-blood barrier injury, is used for developing or screening drugs for repairing the lung qi-blood barrier injury, and can provide a more accurate evaluation method for the drugs for repairing the lung qi-blood barrier injury.

The invention discloses a mattress pressure distribution evaluation method and device and a mattress. The method comprises the following steps of: acquiring pressure data of a plurality of piezoelectric film sensors; calculating an average value of pressure sensed by the piezoelectric film sensors, and calculating a pressure distribution index through the average value; and determining a mattresscomfort level mapped by the pressure distribution index according to a preset mapping relationship. The method is capable of objectively evaluating the comfort levels of mattresses according to pressure distribution conditions.

The invention discloses a novel evaluation method for microcirculation perfusion of an AMI (acute myocardial infarction) patient after PCI (percutaneous coronary intervention) operation. The novel evaluation method specifically includes: performing realtime three-dimensional echocardiography combined cardiac acoustic contrast before the PCI operation, and quantitatively evaluating weight of perfusion defective myocardium (dangerous myocardium) and size of a left ventricle; adopting realtime three-dimensional echocardiography combined cardiac acoustic contrast technology 48h later after the PCI operation to evaluate weight of perfusion defective myocardium (infarcted myocardium); utilizing realtime three-dimensional echocardiography technology to remeasure size of the left ventricle 6 mouths later after the PCI operation; according to a weight ratio of the perfusion defective myocardium before and after the PCI operation, evaluating whether myocardial microcirculation disturbance after the PCI operation exists or not, in other words, evaluating whether reflow occurs or not, and performing relativity analysis to evaluate relationship between the microcirculation disturbance and long-term left ventricle reconstruction. By the novel evaluation method, accuracy of existing two-dimensional ultrasonic cardiac acoustic contrast is improved; the novel evaluation method can be used for predicting long-term left ventricle reconstruction of the AMI patient after the PCI operation to find high-risk patients as early as possible and guide clinic drug treatment.