66results about How to "Keep features" patented technology

The invention provides a simplification method of a three-dimensional grid model based on triangle folding. According to the simplification method, folding points of each triangle in the model are calculated by vertex projection, geometrical elements in grid patterns are folded to achieve the aim of simplification, and error control is performed on simplification by combination with volume errors caused in simplification, the maximum area value and normal vector errors. The simplification method solves the problems that the data transmission quantity and the storage quantity of three-dimensional images are over large, geometrical characteristics of an original model are effectively maintained while errors of a simplified model are reduced, and the simplification method has important application values in the fields of computer aided design and medical image systems and the like.

The invention discloses a method for quantitative evaluation on a pore throat usage law in an oil and gas secondary migration process. The method comprises the following steps of: 1, selecting and processing a core; 2, preparing a working solution; 3, vacuumizing saturated simulated formation water, and calculating core porosity and pore volume; 4, fully replacing the simulated formation water; 5, measuring a nuclear magnetic resonance spectrum T2; 6, increasing injection volume multiple A of simulated oil, until that oil content at a model outlet reaches 100%; 7, drawing the nuclear magnetic resonance spectrums T2 measured under different injection volume multiples on a graph to get the variation of the oil content; 8, conversing the nuclear magnetic resonance spectrums T2 measured under different injection volume multiples into pore throat radius, and drawing a pore throat distribution curve; and 9, performing quantitative comparison to get the usable pore throat range and variation law of the oil content in the oil and gas secondary migration process. The method can be used for quantitatively and accurately evaluating the pore throat usage law in the secondary migration process.

The invention discloses a face image reversible geometric normalization method facing overall characteristics analysis. A method based on secondary affine transformation is adopted. Firstly global affine is carried out which means that global rotation, zooming and cutting are carried out on a face image according to a standard structure definition of a face, such that in an input face image, coordinates of two eyes are at a same horizontal line, a two eye center distance is subjected to normalization according to a parameter d of a standard structure, and transverse and longitudinal proportions of the face are consistent with the standard structure. The image is cut into a magnitude of 2d*2d. Then geometric position normalization is carried out on a mouth area through a local affine transformation needle. Finally by utilizing image edge fusion, a standard geometric normalization face image is formed. An inverse normalization process is that according to a transformation parameter, a standard structure face image is recovered to a geometric structure characteristic before geometric normalization through secondary affine inverse transformation such that personalized topology structures of different face characteristic points are maintained. The face image which goes through geometric normalization can be used for face analysis based on an overall characteristic, such as super resolution reconstruction of the face image, face recognition, and the like.

The invention discloses a production process for coloured polyester staple fibre. In the production process, regenerative PET (Polyethylene Terephthalate) material is used as the raw material, and the finished product is acquired by pre-treating, rotary drum drying, melt spinning, cooling forming, winding, drafting, curling, oil applying, thermosetting and cutting-off in sequence, wherein the rotary drum drying comprises the steps of firstly drying the regenerative PET material for 7.5h-8.5h and then adding master batches with the final mass fraction of 2%-10%, and toner; the total drying time is 9.5h-10.5h; both the screw rod and the spinning beam of a screw extruder in the melt spinning step are at the temperature from 265 DEG C to 275 DEG C; spinneret plates are provided with 3500 bores having the diameter of 0.2mm and are arranged in 14 circles; cooling forming is realized through circular air blow, the temperature of the circular air is 22 DEG C to 26 DEG C, and the velocity of the circular air is 4.0m / s to 5.0m / s; the total draft multiple is 3.0-3.2 times; and the thermosetting temperature is 168 DEG C to 172 DEG C, and the thermosetting time is 13 minutes to 17 minutes. Theproduction process can save the cost and is helpful for environmental protection; the produced product has smaller linear density, higher colour fastness and smooth and comfortable hand feeling.

The invention discloses a method for quantitatively evaluating the influence of supercritical carbon dioxide injection on the pore throat structure of a low-permeability sandstone oil reservoir. Firstly, a rock core is prepared and a working fluid is prepared; then the rock core is vacuumized, and saturated with the working fluid, and porosity and pore volume of the rock core are measured; NMR T2spectra is measured, and irreducible water saturation is measured centrifugally; the rock core is saturated with the working fluid again; supercritical carbon dioxide is injected under the conditionsof temperature of 70 DEG C and return pressure of 8 MPa; the rock core is dried, vacuumized, and saturated with the working fluid; the NMR T2 spectra is measured, and the irreducible water saturationis measured centrifugally; the NMR T2 spectra before the supercritical carbon dioxide injection and the NMR T2 spectra after the supercritical carbon dioxide injection are converted into pore throat radiuses, and a pore throat distribution curve is drawn; and the influence of the supercritical carbon dioxide injection on a movable hole throat area and the pore throat structure before the supercritical carbon dioxide injection, after the supercritical carbon dioxide injection and at different time of the supercritical carbon dioxide injection can be can be quantitatively compared and evaluated.The method can quantitatively and accurately evaluate the influence of the supercritical carbon dioxide injection on the pore throat structure of the low-permeability sandstone oil reservoir.

The invention discloses stomach nourishing herbal tea which is medicine prepared with raw materials in the following weight proportion: 15 to 150 of chrysanthemum, 10 to 100 of honeysuckle, 20 to 200 of helicteres angustifolia, 10 to 100 of ebony, 10 to 100 of dried orange peel, 8 to 80 of dried peppermint leaf, 12 to 120 of selfheal, 30 to 300 of jobstears, 10 to 100 of medlar and 6 to 60 of liquorice; the stomach nourishing herbal tea of the invention well integrates the pharmacological effect of all Chinese medicine, not only keeps the characteristics of prior herbal tea, but also has good taste and the functions of comforting the stomach, is suitable for the old and the youth, and can be even drunk by stomach disease patients; granular tea can not only be drunk, but also is convenient to be stored and carried, and better meets the life demand of many consumers.

The invention provides a preparation method of high-quality wool heavy-twist and anti-wrinkle fabric. The high-quality wool heavy-twist and anti-wrinkle fabric is prepared by interweaving warps and wefts, wherein the warps and the wefts are respectively prepared by blending raw materials by weight percent, and the raw materials comprise 75% of 16.0 mu m Australasian wool and 25% of mulberry silk. The preparation method adopts an innovative easily-caring and anti-wrinkle fabric design method and an after-finishing technology; the prepared fabric is smooth in hand feeling, good in elasticity, excellent in draping property and good in wearability, and reaches the requirement of easy care, thus being very suitable for making a high-quality non-lining or semi-lining business and casual suit.

The invention provides a noodle stewing machine. The problems in the prior art that fried and dried noodles are not good for the health, and the time and labor waste caused by that the noodles are eaten after being strewed with water can be solved. The noodle stewing machine comprises a rack, a pot body, an exhaust duct, a delivery system, a power motor, a noodle falling opening and a noodle outlet, wherein the pot body is arranged inside the rack; the exhaust duct is arranged at the top of the rack; the delivery system comprises a noodle basket for placing noodles, a delivery chain for mounting the noodle basket, and a chain wheel which is used for supporting the delivery chain, and changing the movement direction of the delivery chain and is arranged on the rack; the power motor is arranged at the top of the rack and is connected with the chain wheel; the noodle falling opening is used for enabling cut noodles to fall into the noodle basket, and is arranged on the rack; and the noodle outlet is used for discharging stewed noodles. The noodle stewing machine provided by the invention can be used for machining convenient wet noodles in a stewing manner, so that not only can the characteristics of the noodles be kept, but also the negative influence on the human health caused by the fried and dried noodles can be avoided. Furthermore, the large-scale production of factories can be satisfied. The noodle stewing machine can be used by being assorted with upstream and downstream equipment, so that the automatic control can be realized. The noodle stewing machine has the characteristics of security, high efficiency, convenience in use and the like.

The invention relates to a method for producing colored short fibers by using regenerated polylactic acid slices. A regenerated PLA material is used as a raw material. The method comprises the following specific production steps of: (1) pretreatment; (2) rotary drum drying; (3) melt spinning; (4) cooling molding; (5) winding; (6) drafting; (7) curling; (8) curling; (9) heat setting; and (10) cutting off. The method of the invention has the advantages that the regenerated PLA material is used as the raw material, the cost is reduced, the environmental protection is favorable, the finished product has low linear density, feels smooth, and has bright and uniform color, and high color fastness. The characteristics of polylactic acid short fiber are kept, the damage of post-dyeing to the polylactic acid short fiber property is also avoided, the pollution of dyeing to the environment is reduced, and the method is extremely beneficial to a spinning material and environmental protection.

The invention relates to a three-dimensional grid processing method based on empirical mode decomposition and Hilbert spectrum calculation of a space filling curve. The method comprises six steps of an initial stage, namely, a space filling curve generation stage, of generating the space filling curve by an input three-dimensional grid model, wherein a Hamiltonian circuit is used as the space filling curve; an input signal defining stage of adopting average curvature of each point as a signal value of each point of a three-dimensional grid, wherein a signal can be converted into a one-dimensional signal according to a global sequence number of data points in the Hamiltonian circuit; an empirical mode decomposition stage of decomposing the one-dimensional signal into a plurality of intrinsic mode functions and one residual; a Hilbert spectrum calculation stage of performing Hilbert spectrum calculation on the intrinsic mode functions in the previous stage to generate an instantaneous frequency and instantaneous amplitude; a filter design stage; and a model reconstruction stage of processing the signal to obtain a new signal and reconstructing the three-dimensional grid. Therefore, the processing and analysis of the three-dimensional grid are realized.

The invention refers to a live-detection method of insulator fault in HV transmission line, belonging to power transmission field, the sensitivity high and the use convenient. The technique project; when synthetical insulator has electric fault or ceramic insulator has zero-value insulator, the axial and radical distribution along insulator of the surrounding electric field will produce distortion, detect the distribution and respectively compare with non-fault standard electric field, if no obvious difference, judge normal, otherwise, judge the insulator has fault.

The invention belongs to the field of drying devices and provides a multifunctional subsidiary agricultural product drying chamber which is mainly characterized by utilizing a solar energy collector and an air energy hot pump to serve as primary heat supply devices, adopting separated waste heat in hot air and hot water in backflow to serve as circulation heat supply devices and separating exhausted moisture to serve as waste energy utilization devices, wherein waste energy includes regained moisture, regained fragrance, waste cold and the like. The multifunctional subsidiary agricultural product drying chamber has the advantages of being reasonable in structure, scientific in design, capable of saving energy, protecting the environment and recycling the waste energy, wide in application and multiple in functions, can achieve drying, refrigeration, moisture and fragrance regaining of various subsidiary agricultural products, and is good in effect proved by pilot run of a prototype.

The invention relates to a Hongsenhuai sophora softwood cutting propagation technology comprising the following steps: (1) a seedling bed is constructed, wherein a bed is arranged in a nursery shed, and a cutting medium is arranged on the seedling bed; (2) a cutting period is selected, wherein cutting is carried out around May to August; (3) cutting clipping and treatment are carried out, wherein pruning shears used for cutting softwoods should be sterilized and disinfected by using 95% ethanol; cutting is carried out after the pruning shears are air-dried; 1 / 3000 carbendazim is sprinkled 2h before cutting insertion until the medium is thoroughly wetted; and the softwoods are soaked for 10min by using 1 / 3000 carbendazim and 3000ppm naphthaleneacetic acid; and (4) the softwoods are inserted into the seedling bed medium with spacings of 8-10cm, wherein the insertion depth is 2 / 3-3 / 4 of the lengths of the cuttings, and that one bud of each cutting is maintained above ground. With the Hongsenhuai sophora softwood propagation technology, a technical problem of Hongsenhuai sophora summer propagation is solved, such that Hongsenhuai sophora nursery can be carried out all year. With the method, Hongsenhuai sophora fast propagation is facilitated, and female parent excellent features are maintained.

The warming floor board includes the first or facing layer of timber, the second adhered layer of tongue and groove connected ceramic boards, the third adhered layer of electrothermal film, the fourth adhered heat isolating layer, the fifth adhered heat insulating layer, and the bottommost or sixth moistureproof base board. The warming floor board has excellent comprehensive performance, convenient construction and low cost.

An image processing method is provided, which converts image data into image data having spatial frequency components, judges whether the absolute value of the coefficient of a predetermined frequency component of the transformed image data is greater than or equal to a predetermined value, and changes the exchange of the image data according to the judgment result. The coefficients of the components are used to inverse transform the image data with the changed coefficients into image data having spatial coordinate components, compare the tone value of the inversely transformed image data with a predetermined value, and convert it into a tone value corresponding to the comparison result. By performing appropriate image processing according to the characteristics of the image, the characteristic portion of the original image can be kept well, and the number of tones of the image can be reduced.

The invention relates to the technical field of additive manufacturing, and particularly discloses a method for planning a laser scanning path of a thin-walled part. The method for planning the laserscanning path of the thin-walled part comprises the following steps that a three-dimensional model of the to-be-formed thin-walled part is established and is divided into a plurality of slice layers;and scanning paths of the slice layers are planned, wherein the number of the scanning paths is more than one, and each scanning path comprises a center line coinciding with the center of the corresponding slice and / or a following line parallel to the contour line of the corresponding slice layer. The invention further provides a 3D printing method adopting the method for planning the laser scanning path of the thin-walled part. By the adoption of technical solution, the thickness of a blank of the thin-walled part can be decreased, and the forming quality of the part is improved.

The invention provides an image encryption storage method and device. The method comprises the following steps: uniformly partitioning an acquired original image to obtain a plurality of image blocks;performing pixel position scrambling on the plurality of image blocks to generate a position scrambled image; chaos scrambling of pixel values is carried out on the position scrambling image to generate a final encrypted image; and storing the final encrypted image. By performing dual encryption of pixel position scrambling and pixel value scrambling on the image, the safety of image storage is greatly improved, and information leakage is effectively prevented. The scheme of the invention is particularly suitable for encrypting and storing the face image acquired in the face recognition process, can keep all the original features of the face image to meet the application requirements of a subsequent face recognition system, can effectively protect the privacy of customers, and greatly reduces the risk of data leakage.

The invention discloses a feature based CAD mesh model editing and optimizing algorithm, which comprises the CAD mesh model editing and the CAD tetrahedral mesh model optimizing, both based on features. In editing, a user can select a set of surface areas that need to maintain the shape features of the model, and edit the model by operating the areas through translating, rotating, and etc. In optimizing, according to the region of model change, firstly, the tetrahedral mesh units with poor quality are evaluated; corresponding topological optimization operations are carried out to these units and finally the mesh smoothing operation is carried out. The whole optimization process is iteratively carried out so as to obtain optimized mesh model data. The algorithm of the invention can directly edit and optimize a finite element mesh model, and can exactly retain the original features of the model, making it fully meet the application requirements of relevant industrial fields.

The invention discloses an intelligent substation virtual terminal information flow layout method based on improved force guiding algorithm, which relates to a multi-source data association analysis,graph data visualization and visualization analysis technology used in the intelligent substation, comprising the following steps: S1, analyzing SCD file; S2, modeling of information flow and networkdiagram of virtual terminal; 3, forming a node table and a branch connection table; S4, carrying out the IED layout according to the force guiding algorithm; S5, performing automatic layout optimization adjustment of connecting lines. The invention can automatically visualize the layout of the IED and the connection relationship of the whole station of the intelligent substation connected by the double bus bars, and the layout speed is fast and the layout is beautiful. The improved force guidance algorithm is used to make the layout more in line with the habits of operation and maintenance personnel, retaining the characteristics of double-bus connection, which can better reflect the various characteristics of information flow of double-bus connection intelligent substation; the method easily reveals the characteristics of IED and related connection relations in the form of double busbar connection, and to find the characteristics of virtual terminal information flow.

The embodiment of the invention provides a model training method and device, an apparatus and a storage medium, wherein, the method comprises the following steps of: acquiring a first image data set;Performing weighted summation processing on the images in the first image data set to obtain an incremental image; Training to obtain a first model based on the incremental image and the first image data set. The embodiment of the invention can ensure large-scale and effective incremental images under the condition that the image features are clear and unchanged.

The invention provides a noodle stewing machine. The problems in the prior art that fried and dried noodles are not good for the health, and the time and labor waste caused by that the noodles are eaten after being strewed with water can be solved. The noodle stewing machine comprises a rack, a pot body, an exhaust duct, a delivery system, a power motor, a noodle falling opening and a noodle outlet, wherein the pot body is arranged inside the rack; the exhaust duct is arranged at the top of the rack; the delivery system comprises a noodle basket for placing noodles, a delivery chain for mounting the noodle basket, and a chain wheel which is used for supporting the delivery chain, and changing the movement direction of the delivery chain and is arranged on the rack; the power motor is arranged at the top of the rack and is connected with the chain wheel; the noodle falling opening is used for enabling cut noodles to fall into the noodle basket, and is arranged on the rack; and the noodle outlet is used for discharging stewed noodles. The noodle stewing machine provided by the invention can be used for machining convenient wet noodles in a stewing manner, so that not only can the characteristics of the noodles be kept, but also the negative influence on the human health caused by the fried and dried noodles can be avoided. Furthermore, the large-scale production of factories can be satisfied. The noodle stewing machine can be used by being assorted with upstream and downstream equipment, so that the automatic control can be realized. The noodle stewing machine has the characteristics of security, high efficiency, convenience in use and the like.

The invention relates to an electrocardio data compression method, and the method comprises the following steps: collecting electrocardio data samples to establish an electrocardio data sample set, and establishing an alternative compression scheme space based on electrocardio data characteristics; based on the electrocardiogram data segment sample set and the alternative compression scheme space, carrying out deep reinforcement learning network training, and obtaining a compression scheme selection model; inputting electrocardio data to be compressed into the compression scheme selection model to obtain a matched compression scheme; and performing data compression on the to-be-compressed electrocardiogram data based on the matched compression scheme. According to the electrocardiogram data compression method, the characteristics of the electrocardiogram data are fully considered, the adaptability is high, and the compression ratio is high.

The present invention discloses a stereoscopic seam carving and scaling method in the vertical direction. The method comprises the steps of A, inputting the left view, the right view and the disparity image of an original stereoscopic image, and setting the resolution of a target image; B, according to an energy function, calculating the energy value of each pixel point in the left view of the stereoscopic image; C, based on the dynamic programming method, finding out a plane seam in the left view of the stereoscopic image in the horizontal direction; D, executing the real projection strategy, and mapping the plane seam in the left view of the stereoscopic image into the right view of the stereoscopic image; E, according to an obtained seam section in the right view of the stereoscopic image through the real projection process, executing a policy based on the combination of the traditional seam carving method and the virtual projection method, spicing up spaced seams to obtain a corresponding seam in the right view of the stereoscopic image in the horizontal direction; F, simultaneously increasing or deleting the seam in the left view of the stereoscopic image and the seam in the right view of the stereoscopic image; G, repeatedly performing the steps C to F till the stereoscopic image is scaled to a specified size, and outputting a final left view and a final right view. According to the technical scheme of the invention, the overall features of the scaled image can be maintained, and important objects are highlighted. Meanwhile, the stereoscopic information of the stereoscopic image can be maintained.

The invention relates to a preparation method for a hemostatic seeping fluid absorption wound repairing material, and belongs to the technical field of medical materials. Sodium alginate is oxidized by sodium periodate to prepare oxidized sodium alginate with efficient antibacterial performance, glycolic acid is used for grafting chitosan, reaction with a Schiff base and thiol oxidation are performed to prepare an in-situ gelatinized interpenetrating dual-network structure, and a reticular fiber structure is formed at a wound, so that the adhesion of regenerative cells is improved, healing oftissues is promoted by antibacterial and blood coagulation effects of bletillae rhizoma polysaccharide, the chitosan, the sodium alginate and the like, high antibacterial activity, high seeping fluidabsorption capability, good hemostatic effects, good hemostatic and antibacterial effects and high moisture absorption and swelling performance are achieved, invasion of dust and microorganisms can beeffectively prevented, cross infection can be prevented, damaged tissues can be repaired, healing of the wound can be promoted, the wound can be effectively protected, the healing speed of the woundcan be increased, and a dressing is close in fiber bonding, higher in mechanical performance and convenient to change, and has a broad application prospect.

The invention discloses health jelly and a preparation method thereof. The health jelly comprises the following formula components in parts by mass: 30-60 parts of waxberry, 3-7 parts of fresh bamboo leaves, 4-8 parts of green tea leaves, 2-4 parts of jelly powder, 20-30 parts of high fructose corn syrup, 1-2 parts of sodium citrate, 5-15 parts of honey, 3-6 parts of slash pine needles, 10-30 parts of two-pronged saccharides, 0.1-0.4 part of strawberry flavor, 0.4-1.8 parts of citric acid and the balance of water. The health jelly disclosed by the invention is made of pure natural raw materials, the characteristics of the existing jelly are remained, moulds of the jelly can be avoided, and the quality guarantee period is long. Meanwhile, the health jelly has rich nutritional ingredients and health functions and can achieve the effects of building the body and prolonging life due to long-term eating.

The invention discloses stomach nourishing herbal tea which is medicine prepared with raw materials in the following weight proportion: 15 to 150 of chrysanthemum, 10 to 100 of honeysuckle, 20 to 200 of helicteres angustifolia, 10 to 100 of ebony, 10 to 100 of dried orange peel, 8 to 80 of dried peppermint leaf, 12 to 120 of selfheal, 30 to 300 of jobstears, 10 to 100 of medlar and 6 to 60 of liquorice; the stomach nourishing herbal tea of the invention well integrates the pharmacological effect of all Chinese medicine, not only keeps the characteristics of prior herbal tea, but also has goodtaste and the functions of comforting the stomach, is suitable for the old and the youth, and can be even drunk by stomach disease patients; granular tea can not only be drunk, but also is convenientto be stored and carried, and better meets the life demand of many consumers.

The invention provides a refrigerator which comprises a refrigerator body with chambers. Drawers and / or shelves and an ice box perpendicular to the side walls of the chambers are arranged in the chambers; the ice box is provided with a shell and a pivot mechanism which enables the shell to be in pivot with the drawers or the shelves or the side walls of the chambers fixedly; the ice box is arranged perpendicular to the side walls of the chambers and is in pivot with the drawers or the shelves or the side walls of the chambers fixedly; the characteristic function of the ice box can be reserved, and the ice box can be used as a partition plate or a door body to isolate food, so that tainting by odor can be prevented. The ice box can be used as an interior small door to prevent coil leakage, and meanwhile the refrigerator is convenient to use.

The invention discloses a method for quantitative evaluation on a pore throat usage law in an oil and gas secondary migration process. The method comprises the following steps of: 1, selecting and processing a core; 2, preparing a working solution; 3, vacuumizing saturated simulated formation water, and calculating core porosity and pore volume; 4, fully replacing the simulated formation water; 5, measuring a nuclear magnetic resonance spectrum T2; 6, increasing injection volume multiple A of simulated oil, until that oil content at a model outlet reaches 100%; 7, drawing the nuclear magnetic resonance spectrums T2 measured under different injection volume multiples on a graph to get the variation of the oil content; 8, conversing the nuclear magnetic resonance spectrums T2 measured under different injection volume multiples into pore throat radius, and drawing a pore throat distribution curve; and 9, performing quantitative comparison to get the usable pore throat range and variation law of the oil content in the oil and gas secondary migration process. The method can be used for quantitatively and accurately evaluating the pore throat usage law in the secondary migration process.

The invention discloses a single-view-angle low-resolution gait feature extraction method and device and a storage medium. The method comprises the steps: acquiring a monitoring image; processing themonitoring image by adopting an interpolation-based super-resolution algorithm to obtain a high-resolution monitoring image; performing spatial local feature extraction on the high-resolution monitoring image by adopting a Gabor filter to obtain gait Gabor features; performing dimension reduction processing on the gait Gabor features based on a maximum mutual information amount method, so as to obtain initial gait features; and performing secondary dimension reduction and noise reduction processing on the initial gait feature based on a principal component analysis method to obtain a final gait feature. According to the method, the super-resolution technology is used for extracting the high-resolution information, the high-resolution information is filtered through the Gabor filter and then subjected to dimensionality reduction twice, the final gait feature is obtained, spatial feature expression under the low-resolution and unclear conditions can be obtained, and the problem of spatial gait feature expression when a single-view-angle fixed camera is switched to a multi-view-angle camera is solved.