54results about How to "Reduce details" patented technology

The invention relates to a real-time three-dimensional visualization method of a large-scale scene city building based on spatial cognition. The method is based on a gestalt psychology and a city image theory. A single chain clustering method is used to cluster large-scale building models. Delaunay triangulation and broken line simplification methods are used to rapidly combine and simplify a classification result so as to establish a multiple-level of detail model of the city building and realize interactive three-dimensional visualization of the large-cene and high-density city building. The method provided in the invention accords with principles of approach, similarity, syntropy and the like in the gestalt theory and simultaneously essential factors, such as a city road, a boundary, a landmark city image and the like, can be maintained.

The invention relates to tooling fabric with a cooling function and an uvio-resistant function. A method for manufacturing the tooling fabric with the cooling function and the uvio-resistant function comprises a first step of using cooling master batch as raw materials and manufacturing the cooling master batch to slicing sheets, a second step of drying the slice sheets, a third step of carrying out spinning on the slicing sheets through a spinning box to manufacture nylon base cooling fibers, a fourth step of adopting a siro spinning technology to spin cotton fibers and the nylon base cooling fibers into blended yarn, and a fifth step of adopting technological measures of 'early opening, later weft insertion and on-machine tension slightly larger' to carry out weaving. A formula of the cooling master batch comprises PA6, bowlder powder, zirconium dioxide powder, silicon dioxide powder, stearic acid dispersants, polystyrene dispersants, low molecular wax dispersants and titanate coupling agents. The tooling fabric has functions of fast heat absorption and fast heat dissipation, and an everlasting cooling feature is guaranteed. Meanwhile, the tooling fabric further has a notable uvio-resistant feature.

A method for expediting a search of a digital image database comprises, for each digital image, constructing a set of at least two abstracted images varying in level of detail and searching the abstracted images. Selected ones of the abstracted images are down-loaded to a user thereby reducing download time through a finite bandwidth communicative medium relative to the time needed to download complete digital images.

A semi-automated computer-implemented method for designing manifold assemblies. The method can include receiving a number of design parameters for the design of a manifold assembly and applying the number of design parameters to a heater and zoning logic to generate a manifold assembly design.

An interactive virtual method for manufacturing plant construction, planning, design, touring, and / or management, the method comprising: providing a user with a first interactive, virtual environment comprising facility information and equipment information; proposing a question; and navigating the environment to obtain answers to the proposed questions; wherein said method is a computer-based environment comprising a high visual aspect ratio and wherein said method does not employ computer-aided design.Additionally, a method for creating a high visual aspect ratio virtual tour, comprising: collecting a plurality of first images of areas of low detail and a plurality of second images of areas of high detail; stitching the first images together to create a plurality of first spherical-format images and the second images together to create a plurality of second spherical-format images; combining the first spherical-format images with the second spherical-format images to create a high visual aspect ratio virtual tour.

The invention belongs to the field of textiles, and provides elastic yarn with comfortable elater. The elastic yarn is mainly characterized in that for the first time, traditional fiber is adopted to be mixed with the comfortable elater to spin the elastic yarn, wherein the comfortable elater is biomass elastic short fiber. Due to successful application of the comfortable elater, the historical situation that the elastic short fiber cannot be used for spinning is broken, and spandex elater can be replaced, so that the dependence of the elater over petrochemical resources and energy consumption are reduced. Compared with the prior spandex core-spun elastic yarn, the elastic yarn with the comfortable elater has the advantages of little hairiness detail, high elasticity, yarn evenness, no yarn deviation phenomenon, and the like, thereby laying a very good material basis for high-grade elastic fabric.

A system is provided for imaging an underwater environment. The system includes a transducer assembly with at least one transmit transducer element and an array of receive transducer elements. Each receive transducer element is configured to receive sonar returns and form sonar return data. A sonar signal processor is configured to receive the sonar return data from each receive transducer element and generate sonar image data. The sonar return data from all of the receive transducer elements may be summed and used to form a high-definition 1D (e.g., time-based) sonar image. The sonar return data from only a subgroup may be summed and used to form a lower-definition 1D sonar image. In some systems, an array of series-connected transmit transducer elements can be used. The orientation of the emitting faces of the array may vary slightly to mimic a curved surface for increased beam coverage.

The invention discloses an electronic image stabilization method based on a ship-bone device, relates to the field of digital image processing and solves the problem that an existing electronic image stabilization method does not apply to the ship-bone device. The method comprises the steps of collecting original video images; selecting a reference frame image; reading a current frame image; calculating motion vectors: horizontal offset, vertical offset and a rotation angle through adoption of a motion estimation method based on an object-sky curve; filtering the motion vectors; compensating the motion vectors; and outputting a stabilized image. According to the method, according to the features of the images collected by the ship-bone device, when the motion vectors are estimated, the deficiency of the existing method is overcome, the new motion estimation method based on the object-sky curve is provided, and the image stabilization function of the ship-bone device is realized. According to the method, the translation quantity and the rotation angle of the current frame image relative to the reference frame image can be calculated rapidly and accurately, the operation quantity is low, the precision is high, the timeliness of an algorithm can be improved, the accuracy of the algorithm also can be improved, and the method has good robustness.

A lower pin of apron for spinning machine features that it has a basic T-shaped cross-section, its top surface is composed of a straight line part and a curve part, and said straight line part and curve part has the size relation individually or relatively. Its advantages are simple structure, better control force for drafting yarn, and high quality of yarn.

The invention provides a fire-prevention and flame-retardant armid fiber yarn. The armid fiber yarn comprises the following components by weight ratio: 93% of polyisophthaloyl metaphenylene diamine fiber, 5% of poly-p-phenylene terephthamide and 2% of carbon-guiding fiber. The invention also provides a preparation method of the fire-prevention and flame-retardant fiber yarn. The preparation method comprises the steps of a. raw material preparation, b. blowing process, c. cotton carding process, d. drawing and doubling process, e. spinning process and f. post processing process. The fire-prevention and flame-retardant aramid fiber yarn has the beneficial effects that the yarn levelness is uniform, the strength is strong, the yarn hairness and the yarn fault are few, the flame retardant property is good, the aramid fiber yarn has good radiation resisting property, acid resisting property, alkali resisting property and other various chemical properties, cannot be softened and melted under high temperature due to high temperature resistance, and is stable in prolongation due to good mechanical property so as to be completely suitable for fire-prevention and flame-retardant requirements of spaceflight, military use and civil use.

The invention belongs to the field of yarn processing and provides an air-jet vortex spinning device for spinning low-tow yarn by twisting fibers with free tail ends using high-speed swirling air flow. The device comprises a guide pipe, a guide needle, an air storage cover, a twisting nozzle, a first air storage room, a second air storage room, an exhaust cover, a tight spindle, a vortex tube anda vortex tube support. By additionally arranging the guide needle and the tight spindle and improving the structures of the twisting nozzle and the vortex tube and the process, the device can effectively lower the tow rate in the spinning process to obtain high-quality yarn with less hairiness and less thin places, and can simultaneously improve the utilization rate of material and lower the yarnproduction cost.

The present invention discloses a 3D portrait food printing method. The method comprises the following steps: a human face image is input, the input human face image is convert to a gray scale map, 83 human face feature points are found, preprocessing is conducted, gray values of the human face feature points are strengthened, an ETF algorithm is used to construct a smoothing direction field of the human face image, a FDOG algorithm is used to conduct anisotropic Gaussian filter based on a direction field flow direction, binarization is used to obtain human face image contours, an 8-connected depth-first traversa is used to get rid of local details to obtain simplified human face contour image, a prim algorithm is used to connect two closest line segments to form an one-stroke human face contour path, an erosion algorithm is used to simplify the path to finally obtain a human face 3D printing path. The 3D portrait food printing method simplifies the portrait 3D printing generation path, at the same time retains most contour information on human face, is also clear, friendly in interface is, and great in results, and can be used for the 3D food printing, commercial apps and other fields.

The invention relates to a driving device for a wool spinning machine. After a front roller motor decelerates, one path of front roller motor subjected to deceleration is connected with a front-right roller through the driving of a first belt; the other path of front roller motor subjected to deceleration is connected with a front-left roller through driving of a first intermediate gear pair and a second belt; after a rear-middle roller motor decelerates, one path of rear-middle roller motor subjected to deceleration is connected with an intermediate roller gearbox through driving of a third belt and a fourth belt; the other path of rear-middle roller motor subjected to deceleration is connected with the intermediate roller gearbox through driving of a second intermediate gear pair and a fifth belt; left and right intermediate rollers are connected with the intermediate roller gearbox; the third belt drives to be connected with a rear roller gearbox through the driving of a sixth belt; the second intermediate gear pair is connected with a rear roller gearbox through driving of a seventh belt; left and right rear rollers are connected with the rear roller gearbox; after a main motor decelerates, the main motor subjected to deceleration is connected with a spindle through a spindle belt via a main shaft and a rolling disk; and a lifting motor subjected to deceleration is connected with a ring rail through a worm gear and worm transmission pair, a stroke cam, a cam roller and a swing rod. The driving device disclosed by the invention has the advantages of simple structure, reduced amount of driving mechanisms and reduction of production cost.

The invention discloses a novel integrated electric cabinet of a coarse spinner, which is characterized in that: a 380V three-phase power line L1, a power line L2 and a power line L3 are connected with a frequency converter V through a breaker QF5, and the frequency converter V is connected with a motor M3 by a lead; the power line L1 is connected with one end of a primary coil of a transformer T through a breaker QF1 by a lead, the power line L2 is connected with a button SB4 and the other end of the primary coil of the transformer T through a breaker QF2 by a lead; and the 220V voltage of a secondary end of the transformer T is connected with a connection terminal L of a programmable logic controller (PLC) through a breaker QF3, the 12V voltage of the secondary end of the transformer T is connected with an indicating lamp HL1, an indicating lamp HL2, an indicating lamp HL3, an indicating lamp HL4 and an indicating lamp HL5 through a breaker QF4, and the grounded terminal of a secondary coil of the transformer T is connected with an earth wire N of the PLC and the connection terminals of the power line L2 and the power line L3.

A method of fabricating an assembly of at least two parts (20, 22, 24, 26, 28) of metal plates butted together at a welded interface area (30) by using a stored CAD program of the three dimensional coordinates of a first part (20, 22, 24, 26, 32) and a second part (32) including the coordinates of an interface area (30) or outline of the first part (20, 22, 24, 26, 32) onto to the second part (32). The parts (20, 22, 24, 26, 28) are cut from stock about the desired peripheries by a cutting tool (34) guided by a sub-file in the computer program and, while the part (20, 22, 24, 26, 32) remains in the cutting machine (36), the program guides the cutting tool (34) to cut out a recessed area (30) in the second part (32) for receiving the first part (20, 22, 24, 26, 32) into the recessed area (30) of the second part (32). The first part (20, 22, 24, 26, 32) is welded to the second part (32) about the recessed area (30) to create a permanent interface area (30).

A marine electronic system is provided including a transducer housing including a first transducer element configured transmit one or more first sonar signals into a body of water and a second transducer element configured to transmit one or more second sonar signals into the body of water. A length of the first transducer element is longer than a length of the second transducer element. The transducer housing also includes at least one third transducer element configured to receive first sonar returns from the first sonar signals and second sonar returns from the second sonar signals. The system includes a sonar signal processor configured to receive the first sonar returns, receive the second sonar returns, and determine sonar image data based on both the first sonar returns and second sonar returns. A transducer housing with a forward scanning portion and a downward scanning portion is also provided.

The invention belongs to the field of spinning, specifically to an improved ring spinning frame and a spinning process thereof. The improved ring spinning frame comprises a back roller, a middle roller, a second roller and a front roller in turn. The improved ring spinning frame is characterized in that the back roller and the middle roller are provided with a feeder which consists of a suspended spindle and a flare opening; a servo motor for controlling the back roller is provided with a variable speed intelligent controller which is connected with an encoder arranged on the front roller; the output opening of the front roller is provided with a suction groove and a deformed pipe with negative pressure; a grid ring is sleeved on the deformed pipe, and is drawn through a leather roller. The invention is capable of shortening the process flow, increasing the production efficiency and lowering the production cost; and moreover, the spun yarn is excellent, little in hairiness, high in strength and variety in colors.

A display apparatus including: a camera configured to photograph a first user of the display apparatus; a communication interface configured to communicate with an external apparatus of a second user; a display configured to display an image of a visual communication between the first user and the second user; and a controller configured to generate information regarding a change in a position of a face of the first user from an image of the first user photographed by the camera during the visual communication, and configured to transmit the information regarding the change in the position of the face of the first user to the external device so that the face of the first user having the changed position is displayed on the external apparatus.

The invention discloses a broadband hybrid F / J type power amplifier and a design method thereof. The broadband hybrid F / J type power amplifier comprises an input matching module, a biasing circuit module, a transistor and a hybrid harmonic control module, andan output fundamental wave matching module, wherein the hybrid harmonic control module is connected with the output end of the transistor, multi-point hybrid harmonic control matching is adopted to achieve harmonic impedance control over at least three frequency points, the second harmonic impedance of an intermediate frequency point is controlled to be short-circuited, and meanwhile, the third harmonic impedance is controlled to be open-circuited, so that the characteristics of the class F power amplifier are achieved; and cthe secondharmonic short circuit of the other two frequency points is controlled to realize the characteristics of the J-type power amplifier. Power amplifier mixing is realized; and the output fundamental wave matching module is connected with the hybrid harmonic wave control module and is used for matching the impedance behind the harmonic wave control circuit to the load impedance so as to realize the maximum efficiency transmission. By adopting the technical scheme of the invention, the high efficiency and the flatness of the power amplifier can be ensured under a broadband.

The invention relates to an oversized drafting device on a spinning frame. The device is characterized in that the lower part of a cradle is provided with a rear iron roll, a middle iron roll and a front leather roll; the upper part of a roller stand is provided with a rear roller, a middle roller and a front roller; a rear upper pin and a rear lower pin are arranged in front of the rear iron roll and the rear roller; the rear iron roll and the rear upper pin are wounded with a rear upper leather collar; the rear roller and the rear lower pin are wound with a rear lower leather collar; a leather collar jaw is respectively formed on the rear upper pin and the rear lower pin by the rear upper leather collar and the rear lower leather collar; a middle upper pin and a middle lower pin are arranged in front of the middle iron roll and the middle roll; the middle iron roll and the middle upper pin are wound with a middle upper leather collar; the middle roller and the middle lower pin are wound with the middle lower leather collar; and a leather collar jaw is respectively formed on the middle upper pin and the middle lower pin by the middle upper leather collar and the middle lower leather collar. According to the oversized drafting device, the yarn forming evenness is improved, and the maximum drafting times achieve 100 times when the super-fine-term cotton yarn is spun.

The invention belongs to the field of image and video processing, and in particular relates to an image and video up-sampling method based on gradient domain transformation, which is particularly suitable for processing cartoon images and videos. The method comprises the following steps of: firstly carrying out up-sampling and amplification on a low-resolution image, and then obtaining the gradient of a high-resolution image after gradient transformation to be used as a constraint reconstructed high-resolution image according to a defined gradient domain transformation method. The method provided by the invention can rapidly and effectively carry out up-sampling on the cartoon images or videos, the computation is simple, the image after reconstruction has natural color, fuzzy edges caused by interpolation become clear, details are restored to a certain degree, and the visual effect is better.

The invention discloses a method of improving quality and performance of natural colored yarns through mixed fabric. The method comprises the steps as follows: using 5-50% natural colored cotton, 0-70% white cotton and 5-70% silk yarns to blend to make natural colored yarns, wherein the silk yarns are degummed and cut-off silk fibers, the white cotton is fine fleece or long-staple cotton; the carded yarn of the natural colored cotton uses refine combing, and the natural colored yarns are made by mixed fabric mode. Because the invention utilizes the true silk (silk yarn) as the mixed material of the natural colored cotton, the made yarns have good evenness and reduce the slub and thin sections and improve the strength and extending ratio of the yarns.

A sample key signal frame (602) and / or a sample image frame (601) may be stored showing a finely detailed element (101) at a first resolution (e.g. a zoomed-in image). A current image signal (71) includes the same finely-detailed element (101) at a second, lower, resolution (e.g. a wide-angle image). The sample (601, 602) is scaled and / or transformed to match a target area (10,14) within the current image (71), and may be used to perform an image enhancement process which enhances the detailed element (101) within an enhanced modified image frame (74). Thus, a more photo-realistic image is achieved.

High-shape-preservation pure cotton yarn of high-density anti-wrinkle fabric and a production method thereof belong to the technical field of textile and especially to the production of pure cotton yarn. Pure cotton yarn is obtained by performing cotton picking, carding, combing, pre-mixing, multi-pass mixing, roving, spinning and winding on cotton fiber; the diameter of the cotton fiber is 15.5 to 16.5 [mu]m. The mass percentage of mature cotton fibers in cotton fibers is 65-85%, and the mass percentage of long staple cotton is 75-90%; the obtained pure cotton yarn has a strength of 340CN / texor more. The process of the invention does not need to adjust the equipment and is favorable for production, and the obtained pure cotton yarn meets the requirements of the subsequent weaving, and the obtained fabric has the advantages of strong shape retention, small loss of fabric strength after finishing, and good hand feeling.

A method, system and computer program product for conserving power in a GPS-based navigation system. The navigation system receives input from the driver selecting a portion(s) of the route (route from the current location of the vehicle to the destination) where the driver requests guidance. For those portions of the route not selected by the driver to receive guidance, the navigation system implements a low detail mode of operation. In such a mode of operation, the navigation system reduces its update frequency as well as displays less detailed graphics so as to consume less power. For those portions selected by the driver to receive guidance, the navigation system implements a high detail mode of operation, where the navigation system is capable of audio-visually communicating to the driver instructions for reaching a given destination. In this manner, the power consumed by the navigation system will be more efficiently utilized.

The invention discloses a saliency-enhanced line drawing automatic generation method. The method comprises the following steps: (1) preprocessing an image; (2) achieving significantly enhanced line extraction; and (3) carrying out significance enhancement on the line painting. The method specifically comprises the following steps: expressing a line picture as a set of lines, dividing the lines into two types according to whether the lines are located at the boundary or not, calculating a significance value for each type of lines according to a significance graph and gradient information, and deleting the lines with the significance values lower than a certain threshold value to simplify the line picture; (4) carrying out transparency adjustment, which specifically comprises the following steps: calculating the size of a Gaussian filtering window for each pixel point, and filtering all the pixel points according to the corresponding window size; and finally obtaining the line painting with enhanced significance. The method can be better applied to line drawing generation, and a better result is generated.

The invention provides a pretreatment method of viscose fibers, which comprises the following steps: (a) spreading a layer of viscose fibers, and spraying a water and crude oil mixer of 30-50 DEG C; (b) packing the viscose fibers, and stacking in a storehouse without ventilation; (c) and opening the viscose fibers to dry in the air. The invention also provides a processing method of terylene-viscose blended knitting yarn, which comprises the following steps: pretreating viscose fibers, opening and cleaning the cotton, combing the cotton, making ribbons, spinning coarse yarn, spinning fine yarnand winding bobbins. The processing method overcomes the defects of poor evenness, much filoplume, obvious defects, uneven and obviously different strength and the like so as to effectively enhance the quality of the yarns and meet the requirements of high-grade knitted fabrics.

The invention discloses a high-elasticity rubber ring rubber material for textile machinery. The rubber is prepared by adding a vulcanizing agent into a component A and a component B and mixing, wherein the component A is prepared from the following raw materials in parts by weight: 40-60 parts of epoxy resin and 10-20 parts of curing agent; 35 to 45 parts of ethylene propylene diene monomer, 20 to 22 parts of white carbon black, 0.7 to 0.9 part of stearic acid, 0.8 to 1.2 parts of an accelerant DM, 0.4 to 0.6 part of an accelerant CZ, 0.04 to 0.06 part of carbon black, 0.5 to 0.7 part of a coupling agent, 3 to 5 parts of dioctyl phthalate and 0.9 to 1.1 parts of petroleum resin; the component B is prepared from the following raw materials in parts by weight: 7 to 9 parts of chlorosulfonated polyethylene, 14 to 16 parts of nitrile rubber, 1.8 to 2.2 parts of titanium dioxide, 3.4 to 3.6 parts of zinc oxide, 7 to 9 parts of white carbon black, 0.03 to 0.05 part of stearic acid, 2 to 4 parts of dioctyl phthalate and 3.4 to 3.6 parts of magnesium oxide. A rubber ring made of the rubber material has good holding force and drawing force, the resultant yarn quality is high, and the service life of the rubber ring is long.

The invention relates to a water-soluble fiber and high-count cashmere yarn spinning process. The process comprises the following specific steps of (1) firstly opening cashmere, adding oil and water,then preliminarily mixing the cashmere and water-soluble fibers, and feeding a mixture into a mixing willow for full mixing; (2) processing the mixture obtained in the step (1) into rough yarns by using a carding machine, and controlling the temperature of a carding workshop to be 24-26 DEG C and the humidity to be 60-65%; (3) drafting and twisting the rough yarns obtained in the step (2) by a spinning frame to form spun yarns, winding the spun yarns into yarn ears, controlling the temperature of the carding workshop to be 20-30 DEG C and the humidity to be 60-65%, and controlling the draft multiple of the spun yarns to be 1.30-1.35; and (4) performing bobbin replacement and winding on the spun yarns by using a bobbin winder, and removing relatively thin or thick slivers at the same time.According to the process, on one hand, the spinning process is improved, and on the other hand, the water-soluble fibers are modified, so that the cashmere and the water-soluble fibers can be uniformly mixed in the wool mixing stage, after the water-soluble fibers are removed through water washing, the slivers can be uniform, and the wearability of a product is good.