227results about How to "Improve composite quality" patented technology

Methods for stitching multiple sub-images together to form a substantially seamless composite image are disclosed. Overlap regions formed by each pair of neighboring sub-images are periodically examined and key features common to the overlap regions in each sub-image of the pair are identified. A transformation is determined for each sub-image pair based on the positions of these key features. The transformation is split between the sub-images and applied to distort the overlap regions in each sub-image pair such that they are substantially aligned. Applying the transformations to each overlap region in the overall image enables creation of a substantially seamless composite image. In some embodiments, the process wherein the transformations are determined is run as a feedback loop to enable continuing refinement of the transformations.

A method and apparatus for improving the quality of a composite video signal and a method and apparatus for decoding the composite video signal. The method for improving the quality of the composite video signal respectively detects edges from a luminance information signal and a chrominance information signal separated from the composite video signal, detects an artifact region using the detected edges, and filters the detected artifact region. Accordingly, an artifact can be effectively removed while preserving edge information and detail information of an image to improve picture quality.

The invention relates to the hydropyridine derivatives of 2-acetoxy-5- (Alpha-cyclopropyl carbonyl-2-fluorobenzyl) -4, 5, 6, 7-tetrahydrothiophene plus [3, 2-C] pyridine and salts of the hydropyridine derivative as well as the preparation method. The invention comprises following steps: preparing two main intermediates: Alpha-cyclopropyl carbonyl-2 fluorobenzyl halogen 2 (wherein, X=F, CL, Br, I) and 2-oxygen-2, 4, 5, 6, 7, 7 Alpha-hexahydrothiophene plus [3, 2-C] pyridinium salt 3 (wherein, HA=HCL, H2SO4, HBr, HI); esterifying the product obtained through condension of the two main intermediates using acetic anhydride to get target product. The target product and the needed acid are combined to be salts via addition reaction; during the process of crystallization, necessary crystal seed is added to achieve single-morphic crystals.

There is disclosed an electrode array device having an adsorbed porous reaction layer having a linker attacher thereto for improved synthesis quality. The array comprises a plurality of electrodes on a substrate, wherein the electrodes are electronically connected to a computer control system. The array has an adsorbed porous reaction layer having a linker attached thereto on the plurality of electrodes, wherein the adsorbed porous reaction layer comprises a chemical species having at least one hydroxyl group. In the preferred embodiment, the reaction layer is sucrose having an ionic linker comprised of DNA. In another preferred embodiment, the reaction layer is sucrose, fructose, and glucose having an ionic linker comprised of DNA.

The invention discloses a method for manufacturing a copper-aluminum double-layer medium-thick composite plate through a cold rolling manner. The method comprises following steps: 1) cleaning an aluminum plate and a copper plate in an immersion manner, removing oil of the plates, drying the plates, and cleaning the composite surfaces of the plates; 2) stacking and compressing the copper plate and the aluminum plate, and riveting the plates at a rolling bite end; 3) rolling the copper-aluminum composite plate blank through a two-roller roughing mill; 4) rolling the copper-aluminum composite plate through a three-roller intermediate mill; 5) rolling the copper-aluminum composite plate through a four-roller finishing mill; 6) rolling the copper-aluminum composite plate through a six-roller finishing mill to reach the required thickness; and 7) annealing the copper-aluminum composite plate. According to the invention, rolling is carried out through the rolling mills provided with working rolls having different roll diameters, so that the plastic deformation is increased, the composite ratio is improved, and a plate shape problem of the copper-aluminum double-layer medium-thick composite plate is solved as the working rolls are different in linear speed.

A method for producing extra thick composite board through dissymmetrical composite rolling comprises the following steps: a), board preparation: three slabs including a first slab, a second slab and a third slab are prepared, and the combined surfaces of the three slabs are subjected to surface cleaning, the thicknesses H1, H2 and H3 of the first slab, the second slab and the third slab meet the following requirement: the total thickness H: H1+H2+H3 is larger than 600 mm, 1/5 <H1/H <1/2, 1/5 <H3/H ,1/2; b), vacuum welding: the peripheries of the combined surfaces of the three slabs are welded under the vacuum environment, and the peripheries of the combined surfaces are sealed; c), heating: the heating temperature is 1100 DEG C to 1250 DEG C, and the temperature holding time is larger than 4 hours; and d), rolling: the bloom rolling temperature is 1000 DEG C to 1200 DEG C, the finishing rolling temperature is within recrystallization temperature, and the reduction in pass is 5 to 60 mm. According to the invention, the combined interfaces are placed at the positions of a half to one fifth of thicknesses of the slabs, the combined surfaces of the slabs are deformed greatly, and recrystallization is performed near the combined surfaces to a greater degree, so that composite quality of good combination is obtained.

The present invention relates generally to the fields of genomics, synthetic biology and genetic engineering. More particularly, the present invention concerns the methods that enable parallel multiplex ligation and amplification on surface for making assemblies of nucleic acids of various biological applications and for analysis of biological samples such as DNA, RNA, and proteins.

The invention discloses a virtual viewpoint synthesis method based on GPU acceleration, and a high-quality virtual viewpoint image is synthesized in an accelerating manner by utilizing a depth image based rendering (DIBR) technology and a GPU multithreading parallel characteristic. The method comprises the following steps: firstly, performing smoothing processing on depth images of a left reference viewpoint and a right reference viewpoint; secondly, restoring two-dimensional plane coordinates of various pixel points in the depth images, after the smoothing processing, of the left reference viewpoint and the right reference viewpoint to a three-dimensional space through 3D mapping; then projecting coordinates in the three-dimensional space to a virtual viewpoint imaging plane by using graphics API rendering so as to obtain a synthetic virtual viewpoint image; and, finally, performing hole filling of the synthetic virtual viewpoint image. The method can utilize a powerful parallel computing ability of a GPU, accelerate a traditional virtual viewpoint synthesis algorithm, effectively reduce rendering time, and provide a great reference for real-time virtual viewpoint synthesis.

The invention discloses a full-automatic hot melt adhesive composite machine. The full-automatic hot melt adhesive composite machine comprises a machine frame, a front feeding device and a rear feeding device wherein the front feeding device is arranged at the front end of the machine frame, and the rear feeding device is arranged at the rear end of the machine frame; a cloth pulling rubber rolleris arranged on the position, at the rear end of the front feeding device, of the machine frame; a separating spreading roller is arranged on the position, at the rear end of the cloth pulling rubberroller, of the machine frame; a deviation correcting device is arranged on the position, at the rear end of the separating spreading roller, of the machine frame; a first supporting roller is arrangedon the the position, at the rear end of the deviation correcting device, of the machine frame; a first full-width roller is arranged on the position, at the rear end of the first supporting roller, of the machine frame; a cloth feeding rubber roller is arranged on the position, at the rear end of the first full-width roller, of the machine frame; a first tension controller is arranged on the position, at the rear end of the cloth feeding rubber roller, of the machine frame; an aluminum full-width roller is arranged on the position, at the lower end of the first controller, of the machine frame; and a first traction roller, a cloth expander and a second traction roller are arranged on the position, at the front end of the rear feeding device, of the machine frame from top to bottom.

The invention discloses a zone melting and directional solidifying method used for a volatile element alloy. The method comprises the following steps of: selecting raw metals according to alloy components; matching the raw metals selected; smelting into an initial alloy bar; transferring into a directional solidifying crucible; fully filling slag forming constituents into a clearance between the initial alloy bar and the directional solidifying crucible; transferring the directional solidifying crucible into a directional solidifying device; and heating through an induction coil to realize zone melting of the initial alloy bar and the slag forming constituents, wherein volatile components of the alloy are prevented from volatilizing through the molten slag forming constituents, and the slag forming constituents react with impurities in the alloy to generate molten slag; the directional solidifying device downwards moves relative to the induction coil to accomplish the zone melting and directional solidifying of the whole initial alloy bar; the molten slag is continuously generated and floats upwards, and then stops on the top of the alloy and finally is removed. By adopting such directional solidifying method, the consumption in volatilizing of the volatile element of the alloy can be greatly reduced during solidifying, the impurities and air pores are removed at the same time, and the alloy with components approaching to design components and having a uniform distribution an axial direction can be obtained.

The invention discloses a compounding device for inner liners, which is used for tyre production. The compounding device comprises a second conveying belt, and a press roll device, wherein the press roll device comprises a support and a second press roll; the second press roll is arranged on the support by means of being capable of moving up and down, and located just above the second conveying belt; and the axis of the second press roll is vertical to the rotating direction of the second conveying belt. During the use of the compounding device, the jointed inner liners are placed on the second conveying belt, and then the second press roll capable of moving up and down is moved to a proper height, and used for performing press fit on the inner liners on the second conveying belt; and simultaneously, the second conveying belt is rotated, so that the inner liners are subjected to press fit sequentially via the second press roll until press fit for all the inner liners is finished. Compared with the operation for press fit carried out by an operator using a manual press wheel, the compounding device for inner liners provided by the invention has the advantage that multilayer glue components in the inner liners are uniformly compacted section by section, so as to realize no air bubbles and no wrinkles; and therefore, the quality of compounding the inner liners can be greatly improved.

The invention belongs to the technical field of high-polymer adhesives, and discloses a solvent-free adhesive for high-wettability flexible packaging compounding and a preparation method thereof. The adhesive is prepared by mixing an isocyanate-terminated prepolymer component and a hydroxy polyester polymer component according to the weight ratio of 100:50 at 45-55 DEG C. The mass percent of the isocyanic acid group in the isocyanate-terminated prepolymer component is 12.5-15%, and the viscosity at 25 DEG C is 3500-5500m Pa.s. The hydroxy polyester polymer component is formed by mixing a polyhydroxy polyester polymer and a high-efficiency leveling and wetting component polymer according to the weight ratio of (70-80):(20-30), the hydroxyl value is 150-200mg KOH/g, the functionality is 2.1-2.5, and the viscosity at 25 DEG C is 1500-3000m Pa.s. The adhesive prepared by the method enhances the bonding power with the composite substrate, and avoids spots and bubbles; the surface tension of the adhesive is lowered, so the adhesive has favorable wetting and leveling properties; and the adhesive reduces the generation of carcinogen aromatic amines, and thus, is environment-friendly and sanitary.

The invention discloses a texture optimization-based non-homogeneous image synthesis method. The image synthesis method comprises the following steps of: 1) generating a tag image A, a color image A', and a Gaussian pyramid of a new tag image B, wherein AL, A'L, BL, and B'L indicate the Lth layer of the pyramid; 2) setting an initial layer L, and generating an initial master drawing; 3) defining different global measurement rules for different types of images; and 4) starting from the roughest layer L and performing the following steps on the pyramid from a rough layer to a fine layer circularly: 4.1) performing the steps on each neighbourhood in a neighbourhood window pyramid winSizePyr of the layer: 4.1.1) executing the step M according to the AL, the A'L, the BL and the B'L to obtain Match L; and 4.1.2) executing the step E according to the AL, the A'L, the BL, the B'L and the Match L to obtain optimized new B'L; and 4.2) performing super-sampling on the B'L to obtain B'L-1. The texture optimization-based non-homogeneous image synthesis method is high in synthesis speed, high in synthesis quality and high in synthesis efficiency.

The invention provides a method for reducing the impurity content of CVD (chemical vapor deposition) synthetic diamond. A polycrystalline diamond coating is arranged on a substrate, and the diamond isused for covering the substrate to prevent substrate etching from leading to introduction of impurity atoms. The method has the advantages that a polycrystalline diamond film is deposited on the surface of the substrate, contact between diamond seed crystals and the foreign substrate is blocked, the impurity atoms of the substrate are effectively isolated, and the synthesis quality of the monocrystal diamond is improved; the substrate is coated with the polycrystalline diamond coating, and the surface roughness of the substrate is enhanced, so that the remarkable effect on position fixation of the diamond seed crystals is achieved, limited space can be utilized maximally, the monocrystal diamond can be synthesized as much as possible, and the cost can be reduced; the thermal conductivityof the polycrystalline diamond coating is high, the temperature uniformity of the diamond seed crystals is enhanced, and stable growth of the monocrystal diamond for a long time is benefited; the method is applied to the field of diamond synthesis.

A process for preparing Leitiqusai from 5-nitro-thiophene-2-formate through esterifying, nitro reduction, acetylation, methylation, hydrolysis, esterification nucleophilic substitution, hydrolysis, acylation, amide nucleophilic substitution, hydrolysis and acidification. Its advantages are high output rate and low cost.