57results about How to "Good uniqueness" patented technology

The invention discloses a remote and rapid monitoring and alarming device and method for the displacement and the gesture of a sliding mass, and relates to a target monitoring technique. The method carries out remote automatic monitoring on the potential sliding mass in the earthquake and landslide disaster emergency rescue, and monitors the changes of the position and the gesture of the potential sliding mass, and once the changes reach or exceed the preset safety limit, the acousto-optic alarm is carried out to warn the field personnel to take safety measurements or depart from the danger area. The device has mature technique, lower cost, simple structure, low power consumption and higher accuracy, is convenient in operation, is convenient for outdoor monitoring, provides the insurance for natural disaster rescue, and generates enormous economic and social benefits.

The invention discloses an obstacle avoidance robot based on visual feature binding and a reinforcement learning theory. Visual feature binding and the reinforcement learning theory are utilized, and depth image information is integrated to learn priori knowledge of complex environment on the basis of a convolutional network and image matching technology; on the basis of a feature binding mechanism, a result is fed back to obstacle avoidance of the obstacle avoidance robot to make a decision intelligently, quickly, efficiently and accurately; an MNIST handwriting dataset is adopted, different control signal meanings are given to numbers 0-9 respectively, a Kinect sensor is utilized to collect RGB images with moving distance containing handwriting pictures in the complex environment, and an image matrix is created and output through gray-scale processing; image matching is performed, pictures after being matched are subjected to binarization processing and substituted into a well-trained image recognition model based on a convolutional neutral network, numbers in front of the sensor are judged finally, and corresponding control signals are transmitted to a robot control module through a host to realize intelligent obstacle avoidance.

The invention discloses a Mean shift-based video target tracking method, which extracts the SIFT characteristics of the tracking target and then matches the SIFT characteristics of the target by the Mean-Shift algorithm to realize the target tracking. The method makes full use of the characteristics of invariance against rotation, size scaling and brightness change and high resistance against noise interference and the like. The invention not only considers the real-time performance of the algorithm, but also can well solve the problems of size scaling, object obstacle, rotation, illumination change and the like. The technology has wide application prospect and development potential in the fields of safety monitoring, automobile auxiliary movement, human body movement analysis, robot vision and so on, and can improve the real-time performance and accuracy of the target tracking.

The present invention relates to a semiconductor device, a unique ID of the semiconductor device and a method for verifying the unique ID. Thus, original data (bit string) having 127-bit length [126:0] is inputted at step S1. Then, it is determined whether the number of bits of “1” in the bit string [126:0] inputted at the step S1 is more than the half of the bits of the bit string (that is, not less than 64) or not at step S2. When the number is not less than 64, the process proceeds to step S3. At the step S3, the bit string [126:0] is inverted and an invert bit [127] is set to “1”. Then, the process proceeds to step S5. At the step S5, the fuse corresponding to the bit string [126:0] and the bit [127] are cut by LT.

The invention relates to an image registration method based on SIFT (scale invariant feature transform) feature and angle relative distance. The technical feature is characterized by, to begin with, extracting feature points and feature point descriptors in a reference image and an image to be registered through an SIFT feature point extraction algorithm; then, obtaining a coarse matching result between image feature points through Euclidean distance between the feature points; and with the coarse matching result being input, calculating angle relation of the feature points, and carrying out subtraction to obtain angle difference and screening out correctly-matched feature point pairs. Correctly-matched feature point screening can be carried out by fully utilizing corresponding angle invariant feature of the coarsely-matched feature point pair set, thereby greatly improving correctly-matched feature point pair screening capability, and improving accuracy of image registration.

A target tracking method with self-restoration capacity based on a multi-stage detector includes the steps of selecting a plurality of detectors of different types to be connected in series in combination with the concept of cascading Adaboost multi-stage weak classifiers into a strong classifier, selecting a significance detector for first-stage detection, selecting a classifier assembly detecting module for second-stage detection, substituting the classifier assembly detecting module into a random tree to calculate the posterior probability of a positive sample in a probable area detected byfirst-stage detection, selecting a related filtering detector for third-stage detection, calculating the relevance between a sample with the posterior probability larger than a certain threshold andthe positive sample initialized or obtained in the last frame so as to reduce accumulated errors caused by long-term tracking, determining the position with the maximum relevance as the target area inthe current frame through the multi-stage detector, sampling the determined position, supplementing the positive and negative sample number of concentrated removed samples to ensure the reliability and number consistency of the samples, activating a redetection mechanism if the maximum value of the relevance is larger than a certain threshold, and detecting the area near the position again to search for a target.

The invention discloses an automatic detection method for cotton crack open stage based on images. The method comprises the steps of (1) acquiring all cotton boll positions in a cotton land picture sequence; (2) performing cotton boll image segmenting at all recorded cotton poll positions in the last cotton land image; (3) determining whether the cotton land enters the crack open stage according to the segmented cotton boll image. According to the method, the important parameters which represent the cotton growth condition are used as the determining basis to determine the cotton crack open state, so that the detection result is high in accuracy; the method is of important significance on determining the stating time of the cotton crack open period, analyzing the relationship between the cotton developing stage and the weather condition, identifying the agricultural weather condition for cotton growth and guiding farmers to timely perform agricultural activity.

The invention discloses a system for measuring a three-dimensional volume scattering function of a microparticles in water. The system comprises a parabolic spherical reflector, a sample pool, a telescope group, a photoelectric detector and a computing processing unit, wherein the sample pool is arranged in a reflector cavity of the parabolic spherical reflector, the center position of the sample pool is located in a parabolic spherical focal point of the reflector cavity of the parabolic spherical reflector, incident light is converged at the reflector cavity focal point position, incident to a parabolic spherical surface after being subjected to particle scattering in the sample pool, transformed into parallel scattered light, received by the photoelectric detector after passing through the telescope group, and transmitted to the computing processing unit for processing, and thus, the three-dimensional volume scattering function of the microparticle can be obtained. The invention further discloses a method for measurement by utilizing the system. According to the invention, the problem of detection deviation generated when a plurality of detectors are used for detecting the volume scattering functions of different angles is avoided, the acquired image is good in uniqueness and high in contrast ratio and can be completely fixed in a work process, and the measuring stability is good and the measuring speed is high.

The invention relates to a titanium dioxide / boron nitride composite material and a preparation method and application thereof. The preparation method of the titanium dioxide / boron nitride composite material comprises the following steps that boric acid, a carbon source, nitric acid and urea are mixed to be even by using water, mixed liquid is obtained, the mixed liquid is heated to be 300-500 DEGC and subjected to heat preservation for 15-30 minutes, a precursor is obtained, the precursor is subjected to heat preservation for 2-5 hours under a condition of ammonia gas and at the temperature of 700-1000 DEG C, and boron nitride is prepared; and a titanium source and boron nitride prepared in the step (1) are mixed to be even by using an alcohol solvent, then a mixture is obtained, the mixture is subjected to heat preservation for 12-24 hours at the temperature of 150-180 DEG C, and the titanium dioxide / boron nitride composite material is prepared. The prepared boron nitride has a larger specific surface area and a smaller band gap. The prepared titanium dioxide / boron nitride composite material has good adsorption and photocatalytic effects on Rhodamine B, and can rapidly and completely remove Rhodamine B dyestuff.

The invention discloses an accurate measurement method for resilience of memory alloy. The method comprises the step of configuring a displacement sensor on an automatic mechanical stretcher to eliminate thermal expansion and other factors which interfere with the test result. Compared with the prior art, the technical scheme disclosed by the invention has the advantages that the method considers the influence of the thermal expansion factor due to external temperature on the resilience, so as to measure the resilience of the memory alloy more accurately.

A current-mode PUF circuit based on a reference current source comprises an input register, the reference current source, a deviation current comparator and a timing controller. The input register is used for ensuring synchronization of the input challenges to avoid influences of asynchronous challenges on output responses. The reference current source generates a reference current for temperature and voltage compensation. A deviation current source array generates two paths of deviation currents under the control of the input challenges. The deviation current comparator generates and outputs a judgement according to the magnitude of the current provided by the deviation current source array. The timing controller is used for generating timing information for operation of the PUF circuit. The invention has the following advantages: the deviation current source array outputs deviation currents with high robustness and high reliability. Simulation results show that the PUF circuit of the invention has good uniqueness and high reliability of 99.6% when operating under difference temperatures (-40.about.120.degree. C.) and different voltages (1.08.about.1.32V).

The invention belongs to a license plate recognition system, and discloses a license plate character recognition method based on an SIFT operator and a chaos genetic algorithm. The method is characterized in that Chinese characters and alphanumeric characters of a license plate are separately recognized, that is, the Chinese characters are recognized by using an SIFT operator feature extraction and template matching method; and the alphanumeric characters are recognized by using a thirteen-point feature extraction method and a support vector machine, and the problem of low overall recognition rate of the license plate characters due to that most of the existing license plate recognition systems adopt a unified character feature extraction and recognition method for recognition is solved. Meanwhile, in order to improve the classification capability of the support vector machine, the method adopts the chaos genetic algorithm to optimize radial basis function parameters and penalty factors, license plate images of different backgrounds are collected and tested and simulated on matlab software, the overall recognition rate of the characters can reach more than 99%, and the chaos genetic algorithm has a higher character recognition rate and a faster convergence rate than a traditional genetic algorithm.

A preparation method of seasoned poached eggs comprises the following steps: (1) eggs are graded according to the quality standard; (2) a heat transfer medium is heated to 80-95 DEG C; (3) the eggs are totally immersed in the heat transfer medium and boiled for 7-10 min; (4) the boiled eggs are cooled in water at 10-20 DEG C; (5) the cooled eggs are totally immersed in a prepared seasoning liquid, the mixture is placed in vacuum decompression equipment for 2-4 days, the vacuum degree is kept from subzero 0.09 Mpa to subzero 0.1 Mpa, and the temperature is set to be 25 DEG C; (6) the poached eggs prepared through the steps are subjected to cold storage in a low-temperature environment at 0-10 DEG C. The egg white of the prepared poached eggs is denaturalized completely, and the hardness and the elasticity reach the states of normal hard boiled eggs; while the texture of yolk is in a soft sate and colloidal, the yolk is in bright deep yellow and tastes fine and soft, and small-molecular flavor substances of the prepared seasoning liquid enter the eggs completely without damaging the inside forms of the poached eggs, so that the poached eggs are good in color, flavor and taste.

The present invention discloses a ternary PUF unit and circuit realized by CNFET; the ternary PUF circuit comprises a ternary row decoder, a ternary column decoder, a ternary output circuit and a ternary PUF unit array; the said ternary PUF circuit is arranged into a 3n rows×3n columns matrix formed by 3n×3n ternary PUF units; the ternary PUF unit comprises a 1st CNFET transistor, a 2nd CNFET transistor, a 3rd CNFET transistor, a 4th CNFET transistor, a 5th CNFET transistor, a 6th CNFET transistor, a 7th CNFET transistor, an 8th CNFET transistor, a 9th CNFET transistor and a 10th CNFET transistor; its advantage lies in the fact that it is provided with small circuit area and higher randomness and uniqueness while ensuring proper logic function.

The invention discloses a selenium-enriched compound microbial organic fertilizer with a humic acid coating film and a preparation method thereof. The selenium-enriched compound microbial organic fertilizer is prepared by taking fowl manure and furfural residues as main raw materials which are used as carriers of a selenium element and various types of microbial strains, and taking active carbon fine powder, amino acid chelated selenium, a special bacterium agent for composting the organic fertilizer, a JT compound microbial bacterium agent and an EM compound microbial bacterium agent as auxiliary raw materials, and spraying a coating film on product particles by adopting a humic acid based film coating agent. The preparation method comprises the following steps: preparing the main raw materials, preparing the auxiliary raw materials, preparing various types of compound microbial bacterium agents, carrying out three times of biologic fermentation processes, and carrying out subsequent processing. The selenium-enriched organic fertilizer prepared by the invention can be widely used for producing selenium-enriched agricultural products, and the content of the selenium element in the agricultural products is effectively increased; recycling and harmless comprehensive utilization of excrement of large-scale bred livestock and poultry and biomass wastes of a furfural industry is realized, so that the environmental pollution is reduced, and the breeding cost and the production cost of the furfural industry are reduced; and the social and economic benefits of enterprises are improved, and the selenium-enriched compound microbial organic fertilizer has important demonstration and popularization values.

The invention discloses a visual graphic symbol code authenticity checking method. The method comprises the following steps: obtaining passwords for checking visual graphic symbol code authenticity, wherein the passwords are passwords corresponding to a visual graphic symbol code for identifying an object; sending the passwords to a server; and receiving the visual graphic symbol code fed back by the server according to the passwords to check the authenticity of the visual graphic symbol code for identifying the object, wherein the visual graphic symbol code for identifying the object locates on the object, the generation process of the visual graphic symbol code is characterized by enabling relevant information of the object to be generated into the passwords and enabling the passwords to be generated into the PDF visual graphic symbol code, and the visual graphic symbol code is formed by graphic elements. The invention also discloses a visual graphic symbol code authenticity checking device. Through the mode above, the authenticity can be identified visually, and an anti-counterfeit effect can be improved.

The invention relates to a cervical cancer therapeutic vaccine based on recombinant attenuating sheep listeria ivanovii. By taking the attenuating sheep listeria ivanovii as a vector, specific immuneresponse in a tumor microenvironment is improved effectively and immune tolerance of a body is broken by means of a unique characteristic that the listeria ivanovii can grow in a main phagocyte and isa natural T cell immune activation adjuvant, so that continuous virus infection of the body is eliminated and the good therapeutic effect of eliminating the focus and inhibiting tumor development isachieved. The vaccine has the advantages that the defect that nucleic acid and protein polypeptide vaccines are relatively low in immunogenicity is made up, and the attenuating sheep listeria ivanoviialso has high safety while retaining the characteristic that an original strain can grow in cells to achieve antigen presentation.

The invention discloses a milk flavored calf feed condiment containing a sweetening agent as well as a preparation method and application thereof. The milk flavored calf feed condiment containing sweetening agent is prepared from raw materials including 1-10 parts of the sweetening agent and 1-10 parts of a flavoring agent, wherein the sweetening agent is prepared from raw materials including vanillin, (sweet type) ethyl maltol, saccharinnatrium, glucose and the like; and the flavoring agent is edible milk powder essence. The milk flavored calf feed condiment containing the sweetening agent, provided by the invention, can stimulate the appetite of calves, promote the gastrointestinal peristalsis and rumination, stimulate the secretion of digestive glands and promote a digestive tract function; the feed digestibility and the feed conversion rate are improved, and the milk flavored calf feed condiment has a remarkable effect in the aspect of enhancing the immunity of the organism; and the daily gain can be improved by 12.3%, the diarrhea morbidity of the calves is reduced by 22% and the death rate is reduced by 5%.

The invention relates to a cervical cancer therapeutic vaccine based on recombinant attenuated Listeria monocytogenes. Attenuated Listeria monocytogenes (hereinafter referred to as Lm) is used as a vector, and the unique ability of Listeria to grow in a host phagocytic cell is the characteristic of a natural T cell immune activation adjuvant, and is used to effectively improve the specific immuneresponse in a tumor microenvironment and break the immune tolerance of bodies, so persistent viral infection of the bodies is removed, and good therapeutic effects of clearing focus and restraining tumor development are achieved. The cervical cancer therapeutic vaccine makes up for the shortcoming of low immunogenicity of nucleic acid and protein peptide vaccines, and the attenuated Listeria reserves the intracellular growth and antigen presentation completion characteristics of an original strain, and has a high safety.

The invention relates to a medicament for treating oralcavity diseases, wherein the medicament uses Hmong medicinal plants as raw materials and comprises 1.5 to 3 parts of Duchesnea indica, 1 to 2 parts of Datura metel L., 2 to 4 parts of Aletris spicata, 3 to 5 parts of Houttuynia cordata Thunb (usually called heartleaf houttuynia herb), and 1 to 2 parts of Calamus rhabdocladus Burret. The Miao medicine is suitable for local treatment of periodontal disease, dental caries, pulpitis, gingivitis, pericoronitis, periapical periodontitis, oral mucosa ulcer, angular cheilitis, glossitis and oral mucositis caused by radiotherapy and chemotherapy, has advantages of definite efficacy, no toxicity and no stimulation, and can quickly stop toothache and completely resolve three major problems of unbearable pain, refractory ulcer and repeated attack of the oral mucosa ulcer.

The invention relates to a preparation method for a photocatalytic heterojunction catalyst for reversible hydrogen storage, the product and an application of the catalyst. The method uses TiO2 as a substrate to deposit precious metal nanoparticles on the surface of the substrate to form the Mott Schottky catalyst, the TiO2 semiconductor has an electron supply function, and a large number of electrons are enriched at the surface of the precious metal end and show high activity under the condition of light excitation. Compared with a current cyclohexane conversion photocatalyst, the catalyst provided by the invention has a series of advantages such as a higher cyclohexane conversion rate (90% or more), and higher hydrogen release and storage capacity (300 [mu]mol).

The invention provides a physical unclonable function circuit for a CMOS dynamic visual image sensor. The physical unclonable function circuit comprises an external excitation source, a column decoder, a row decoder, a 16 * 16 pixel circuit array, a column selection output circuit and a reading circuit. The pixel circuit array comprises 256 pixel circuits in total, and the pixel circuit array is responsible for generating 256 output voltages Vo1; row selection signals output by the row decoder are used for carrying out row selection on pixel circuits in an array, the column decoder is used forcarrying out column selection on the column selection output circuit, and the reading circuit is used for calculating a difference value of Vo1 of two pixels selected front and back and quantizing the difference value to serve as response output of a PUF. According to the pixel circuit, the logarithmic converter in the array is extremely insensitive to fluctuation of power supply voltage, the reliability of PUF to the power supply voltage is greatly improved, unstable output response bits can be identified and filtered out through a threshold method, and therefore the reliability, especiallythe reliability to the temperature, can be further improved.

The invention discloses a method for preparing paint with curious and magic patterns, which is implemented by the following steps of: a, wiping the surface of a painting carrier; b, pouring emulsion into a wide-mouth container; c, dipping paint of various colors and lightly dropping the paint on the emulsion; d, slightly blowing the emulsion level by using a blowpipe or a blower to make the paint of various colors mixed freely and form a thin paint membrane with various curious and magic patterns; e, lightly putting the painting carrier on the paint membrane to dip the paint, and flatly placing the carrier on a workbench with patterns upward, drying in the shade; and f, coating vanish on the patterns for 2 to 3 times after the paint is dried. The method has the advantages of keeping and highlighting the uniqueness of line ornaments of the lacquer painting, greatly simplifying the preparation process of the lacquer painting, reducing cost and improving the market competitiveness of the lacquer painting. The method ensures that colorful curious and magic patterns can be formed on the surface of the painting carrier and that the lines are smooth, changeful, extremely abstract, imaginative and greatly irresistible.

The present invention relates to a bath fumigating drug liquid prepared by adopting Hmong medicinal plants as raw materials. The bath fumigating drug liquid comprises, by weight, 2.5-5.0 parts of sargenrgloryvine, 1.0-2.0 parts of tatarinow sweetflag rhizome, 1.5-3.0 parts of polygonum perfoliatum, 1.5-3.0 parts of tasselblower, 2.0-4.0 parts of rose glorybower twig and leaf, 2.5-5.0 parts of moxa, 2.5-5.0 parts of Chinese ivy herb (variant), and 3.0-4.0 parts of szechwan lovage rhizome. The bath fumigating drug liquid is applicable for leisure, skin cleaning, fatigue eliminating, recovery promoting after recovery from illness of health bath, medicine bath treatment methods of subhealth (fatigue syndrome), common cold, skin pruritus, chronic gastroenteritis (yang deficiency cold type), lumbar vertebrae hyperosteogeny, soft tissue strain, anchylosis, muscle adhesion and joint swelling and pain, fumigating treatment methods, hot compress treatment methods and cold compress treatment methods.

The invention provides gold curling smoke incense and a preparation method thereof. The gold curling smoke incense is composed of 45-50% of cedarwood powder, 35-40% of sticky powder, 1.5-3% of natural plant gold powder, 11.5-14% of sodium silicate and 0.05-4.5% of a combustion improver. The preparation method of the gold curling smoke incense comprises the following steps of (1) drying cedarwood, grinding for 1-1.5 hours in a grinding machine, and screening with 50-300 mesh sieve after the cedarwood is grinded to obtain the cedarwood powder; (2) mixing the prepared cedarwood powder with the natural plant gold powder and the combustion improver uniformly according to the above proportions of the materials under stirring to obtain gold curling smoke incense perfume powder; (3) dipping incense sticks in water to coat incense sticks by viscous sticky powder; and (4) immersing the incense sticks in water again, wherein water makes the wood sticky powder to produce viscosity so as to stick the perfume powder, and coating the incense sticks by the sticky powder and gold curling smoke incense perfume powder layer by layer.

The invention discloses a grass-scent lactating cow feed flavoring agent containing a sweetening agent and a preparation method and application thereof. The grass-scent lactating cow feed flavoring agent is prepared from, by weight, 1-10 parts of sweetening agent and 1-10 parts of flavoring additive. The sweetening agent is formed by mixing vanillin, ethyl maltol (fragrant and sweet type), saccharin sodium salt and glucose by weight. The flavoring additive is prepared from grass powder essence and edible powder essence. The flavoring agent is very beneficial for improvement of animal welfare, the milk yield and milk quality; the flavoring additive is used, the use amount of unconventional feed and the specialty of feed commodities can be improved, feed cost can be reduced, the comprehensive utilization range of agricultural and sideline products can be widened, the comprehensive utilization degree of agricultural and sideline products can be increased, and people and livestock grain fighting contradiction can be relieved.

The invention belongs to the technical field of biomedical materials, and discloses a complex of a helical chain polysaccharide derivative co-loaded single-walled carbon nanotube and nucleic acid as well as a preparation method and application of the complex. The preparation method of the complex comprises the following steps: enabling helical chain polysaccharide amylase to react with N, N'-carbonyldimidazole and ethylenediamine in dimethyl sulfoxide to obtain a water-soluble amylase derivative containing primary amino groups, then adding a single-walled carbon nanotube into an aqueous solution, and performing ultrasonic treatment, centrifugation, filtration and freeze drying to obtain an amylase derivative-single-walled carbon nanotube inclusion compound; and then, scattering the inclusion compound into double distilled water, adding nucleic acid, fully vibrating, and then performing incubation to obtain a complex of the helical chain polysaccharide derivative co-loaded single-walled carbon nanotube and nucleic acid. The complex disclosed by the invention combines photo-thermal conversion effects of the inclusion compound and special functions of nucleic acid, and can be used for preparing medicines for photo-thermal and gene combined treatment.

The invention discloses an accurate measurement method for resilience of memory alloy. The method comprises the step of configuring a displacement sensor on an automatic mechanical stretcher to eliminate thermal expansion and other factors which interfere with the test result. Compared with the prior art, the technical scheme disclosed by the invention has the advantages that the method considers the influence of the thermal expansion factor due to external temperature on the resilience, so as to measure the resilience of the memory alloy more accurately.