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161results about How to "Reduce drawing time" patented technology

Non-photorealistic based art illustration effect drawing method

The invention relates to a non-photorealistic based art illustration effect drawing method and belongs to the field of information technology. The drawing method comprises the following steps of: segmenting an inputted original image by using a digital matting method, and extracting a foreground image and a background image to obtain a grayscale image of the foreground image; performing tone separation on the grayscale image, and comparing with a threshold based on the tone separation and then adjusting the brightness information of the local images; transferring the color information of the original input image into a result image by using a color transfer method; carrying out filtering treatment on the original input image by using a DoG (Difference of Gaussian) filter so as to obtain an edge image, and expanding the edge based on the morphological dilation treatment; and combining the result image of the color transfer, the edge expansion image and the background image according to factors to obtain the final art illustration effect image. The method provided by the invention has the following advantages: the method can well accord with the aesthetics and has a wide application range, high processing speed and good flexibility, and thus the method can be a beneficial supplement for non-photorealistic simulating of different artistic effects.
Owner:YUNNAN UNIV

Method for acquiring three-view drawing of medical image

The invention provides a method for acquiring a three-view drawing of medical image, which belongs to the technical field of image processing. The method comprises: firstly, acquiring a CT medical image and performing the three-dimensional reconstruction of the medical image to obtain a three-dimensional image; reading the three-dimensional image and obtaining a three-dimensional reconstructed image by reducing the triangular plates in the three-dimensional image by using triangular plate simplification technology to reduce the image drawing time and the occupation of a memory; computing a three-view drawing normal vector and a three-view drawing position coordinate of a point according to the three-dimensional coordinate of the point in the three-dimensional reconstructed image and acquiring a cross section view, a coronal plane view and a sagittal plane view which pass through the point by conversion matrix processing, namely, acquiring the grey values of all points in the cross section view, the coronal plane view and the sagittal plane view by using a trilinear interpolation method to acquire the cross section view, the coronal plane view and the sagittal plane view. In the method, the triangles in the three-dimensional image are reduced to reduce the image drawing time and the occupation of the memory and improve interaction.
Owner:SHANGHAI JIAO TONG UNIV

Sewage sludge advanced treatment method

The invention discloses a sewage sludge advanced treatment method which is based on a sewage sludge advanced treatment device. The sewage sludge advanced treatment device comprises a sludge freezing container, a freeze drying energy circulating system and a waste heat recovery device. The freeze drying energy circulating system comprises a compressor, an evaporator, a condenser and a first heat exchanger arranged in the sludge freezing container. The air outlet end of the compressor is connected with the condenser, the condenser is connected with the evaporator through a throttling element, and the evaporator is connected with the air inlet end of the compressor through the first heat exchanger. The waste heat recovery device comprises a waste heat boiler and a heat conduction oil pipe arranged in the waste heat boiler, the heat conduction oil pipe is connected with a second heat exchanger, oil conduction oil enters the second heat exchanger to transfer heat to air, and the air heated is respectively conveyed to a drying device and the sludge freezing container to be used for sludge drying and unfreezing. According to the sewage sludge advanced treatment method, the sludge treatment amount is not increased in the treatment process, and recycling of working medium energy improves sludge freezing efficiency and heat utilization rate.
Owner:CHINA JILIANG UNIV

Parametric modeling design method for fabricated building

The invention provides a parametric modeling design method for a fabricated building, which comprises the following steps of: extracting parameters: splitting each component from a CAD structure construction drawing of the building, representing each different component with different parameters, and extracting parameter information of each component; inputting parameters: storing the parameter information of each component into a database, and inputting the parameter information into UG software to form a three-dimensional model of each component; assembling collision: correspondingly assembling three-dimensional models of a plurality of adjacent components in UG software, and carrying out collision detection and collision adjustment on the components; wherein the three-dimensional modelof the qualified standard component is converted into a two-dimensional drawing; a plurality of standard components are used for jointly forming the fabricated building. By using the method disclosedby the invention, the structure construction drawing of the house can be efficiently split into a plurality of standard components, the two-dimensional drawing of each standard component can be accurately given out in detail, and the material list for production and manufacturing can be accurately calculated as soon as possible.
Owner:中民筑友房屋科技集团有限公司

Sewage sludge advanced treatment device

The invention discloses a sewage sludge advanced treatment device which comprises a crushing device, a drying device, a combustion device and a waste heat boiler. The sewage sludge advanced treatment device further comprises a sludge freezing container and a freeze drying energy circulating system. The freeze drying energy circulating system comprises a compressor, an evaporator, a condenser and a first heat exchanger arranged in the sludge freezing container. The air outlet end of the compressor is connected with the condenser, the evaporator is connected with the air inlet end of the compressor through the first heat exchanger, the condenser is communicated with the bottom of the drying device through a gas pipeline, and the evaporator is communicated with the top of the drying device through a gas pipeline. A heat conduction oil pipe is arranged in the waste heat boiler and performs heat transfer with air to heat the air, and the air heated is respectively conveyed to the drying device and the sludge freezing container to be used for sludge drying and unfreezing. According to the sewage sludge advanced treatment device, chemical agents do not need to be added, the sludge treatment amount is not increased, and sludge freezing efficiency and the heat utilization rate are improved through recycling of working medium energy and heat of sludge.
Owner:CHINA JILIANG UNIV

Pen light-colored artistic effect drawing method based on unreality feeling

The invention relates to a pen light-colored artistic effect drawing method based on unreality feeling, belonging to the technical field of information. The method provided by the invention comprises the following steps: obtaining gradient information of an original image, using DoG filter to filter the gradient information along the gradient direction, and obtaining an edge image of the original image through comparison with a threshold valve; computing linear filtering coefficient through variance and mean value of a local window, performing linear filtering on the original image and then performing abstraction through bilateral filtering to obtain color diffusion effect; overlaying the edge image and an color diffusion image to obtain preliminary pen line effect; adopting a light illumination module to transmit color so as to obtain color information of the original image; and enhancing contrast of the image through a contrast enhancing method so as to obtain final pen light-colored artistic effect. The advantages of the method provided by the invention are as follows: the pen light-colored artistic effect drawing method more conforms with aesthetic standard of people, has fast processing speed, good flexibility and wide application scope and is beneficial complementation for imitations of different artistic effects based on the unreality feeling.
Owner:YUNNAN UNIV

Sewage sludge treatment method

The invention discloses a sewage sludge treatment method. The sewage sludge treatment method comprises a first step of utilizing a freeze drying energy circulating system to continuously freeze sludge in a sludge freezing container, unfreezing the sludge after continuous freezing, and performing freezing and unfreezing repeatedly; a second step of dehydrating the sludge having undergone freezing and unfreezing treatment in a filter pressing device, wherein dehydration comprises a filter pressing stage and a squeezing dewatering stage, and enabling the sludge to undergo filter pressing to be chunk mud-cake-shaped sludge low in moisture content; a third step of crushing the chunk mud-cake-shaped sludge in a crushing device and forming small sludge particles; a fourth step of conveying the crushed sludge particles to enter a sludge drying device to be dried, enabling the freeze drying energy circulating system to release heat through a condenser, transferring heat to air, and enabling the hot air to enter the sludge drying device to dry the sludge particles. According to the sewage sludge treatment method, chemical agents do not need to be added to sludge, the sludge treatment amount is not increased in the treatment process, and recycling of working medium energy greatly improves sludge freezing efficiency and heat utilization rate.
Owner:CHINA JILIANG UNIV

Energy-saving type sewage sludge harmless treatment method

The invention discloses an energy-saving type sewage sludge harmless treatment method. The method includes the following steps of firstly, conducting continuous freezing on sludge through a freeze drying energy circulation system, and unfreezing the sludge after continuous freezing; secondly, conducting dewatering on the sludge, completely processed through freezing and unfreezing, in a filter pressing device, so that sludge with the low moisture content is obtained through filter pressing; thirdly, smashing the sludge in a smashing device; fourthly, conveying smashed sludge particles into a sludge drying device to be dried, dissipating heat through the freeze drying energy circulation system by means of a condenser, and transferring heat to air; fifthly, sending the sludge particles into an incinerator to be incinerated, making generated high-temperature smoke enter a waste heat boiler, making air heated by the condenser enter a second heat exchanger to continue to absorb heat, and unfreezing the sludge and drying the sludge particles through the formed high-temperature air. By means of the method, the sludge processing amount cannot be increased in the treatment process, and due to recycling of working medium energy, the freezing efficiency and the heat utilization rate of the sludge are increased.
Owner:CHINA JILIANG UNIV

Detailed design method of mechanical and electrical engineering pipeline system based on Autodesk Revit

The invention discloses a detailed design method of a mechanical and electrical engineering pipeline system based on Autodesk Revit. The method specifically comprises the following steps: S1, formulating a two-dimensional and three-dimensional modeling standard of the system; S2, establishing civil engineering and electromechanical system template files; S3, determining a system modeling mode according to the engineering conditions; S4, establishing a system model and arranging electromechanical system pipelines; S5, carrying out collision detection on the electromechanical system pipelines, and arranging the electromechanical system pipelines according to a relation to be adjusted; and S6, exporting a two-dimensional CAD map of the system pipelines and optimizing a chart layout. According to the detailed design method of the mechanical and electrical engineering pipeline system based on Autodesk Revit provided by the invention, an integrated two-dimensional and three-dimensional design method is adopted to effectively avoid the collision of the pipelines, improve the arrangement accuracy of the pipelines, reduce the drawing workload, shorten the chart output time and improve the working efficiency.
Owner:CHINA CONSTR FIRST DIV GROUP CONSTR & DEV

Virtual view point drawing method based on spatial weighting

The invention discloses a virtual view point drawing method based on a spatial weighting. According to the drawing method, the coordinate transformation of pixel points is performed by using rows as units so as to obtain actual projected pixel points, and then interpolation processing is performed by using the rows as the units, so that upper and lower sampling operations in the VSRS drawing method of virtual view points are omitted, and the drawing time is further shortened; the spatial positions of the projected pixel points, and the influences of a plurality of projected pixel points on the drawing quality are sufficiently considered, and a spatial weighting manner is adopted, so that noise caused by the inaccuracy of depth images is effectively decreased, the drawing precision is improved, and the subjective quality and the objective quality of virtual view-point images are further improved; the influences of different regions of reference view points on the drawing quality are sufficiently considered, the number of the projected pixel points near whole pixel points in the virtual view-point image broadwise reflects the regional distribution situation, and corresponding interpolation can be performed on different regions, so that the pixel points in the reference view points can be accurately inserted in the virtual view points, and the quality of the virtual view-point image is improved.
Owner:广西那还用问信息技术股份有限公司

Method for generating three-dimensional bracket model in PDMS (Plant Design Management System) into CAD (Computer-Aided Design) format two-dimensional standard three views

The invention relates to a method for generating a three-dimensional bracket model in a PDMS (Plant Design Management System) into two-dimensional plane standard three views, in particular to a method for generating the three-dimensional bracket model in the PDMS into CAD (Computer-Aided Design) format two-dimensional standard three views. The PDMS is used for exporting the DB Listing function of text model information, a calculation command is developed through a .Net development interface provided by AutoCAD software, and three-dimensional model information exported from the PDMS is read according to a bracket number input by a user, the two-dimensional standard three views and the bill of materials of the bracket are automatically generated, and a one-key drawing output function from the PDMS three-dimensional model is realized. By use of the method, inherent defects that an operation for the drawing output software of the PDMS to output a DXF (Drawing Exchange Format) drawing is complex, the deep requirement of an engineering drawing can not be met and revision regulation is difficult can be avoided by aiming at the characteristics of a pipeline bracket, the customization and the generation of the standard two-dimensional drawing of the pipeline bracket is realized, the drawing output time of design personnel is shortened to a maximum degree, and the design efficiency of pipeline bracket design personnel can be effectively improved.
Owner:CHINA NUCLEAR POWER ENG CO LTD

Advanced treatment method for sewage sludge

The invention discloses an advanced treatment method for sewage sludge.The method is based on a sewage sludge treatment device, and the sewage sludge treatment device comprises a sludge refrigerating container(4), a freeze drying energy-cyclic system and a waste heat recovery device, wherein the freeze drying energy-cyclic system comprises a compressor (5), an evaporator (6), a condenser (7) and a first heat exchanger (8) arranged in the sludge refrigerating container.An air outlet end of the compressor is connected with the condenser which is connected with the evaporator through restricting elements.The evaporator is connected with an air inlet end of the compressor through the first heat exchanger.The condenser is communicated with the bottom of a dryer through a gas pipeline (10), the evaporator is in through connection with the top of the dryer through the gas pipeline, and at the same time, the condenser is in through connection with the evaporator through the gas pipeline.The recovered heat is used for sludge drying of the dryer and for sludge thawing.According to the advanced treatment method, the sludge treating capacity will not be increased in the treating process, and the sludge refrigeration efficiency and heat use ratio of the sludge can be improved by the cyclic utilization of the working medium energy.
Owner:杭州浩斌科技有限公司

Design guiding system and method for circuit board layout rule

The invention discloses a design guiding system and method for a circuit board layout rule. The system comprises a part database, an input module, a processing module, an editing module, a succession module and a layout rule database, wherein the part database is used for storing packaging specification information data and name naming rule of a circuit board element; the input module is used for inputting network name of a circuit board to be drawn and the packaging specification information data of the related circuit board element and is connected with the part database; the processing module is used for selecting a specific network name as well as related element and terminal element names from the network name and the packaging specification information data, wherein layout rules are to be set for the specific network name as well as the related element and terminal element names; the editing module is used for finding out a connection relation and defining the layout rule of a matching group according to the analyzed circuit board terminal element; by using the succession module, the user can succeed the edited layout rule document to other circuit boards with the same circuit architectures; and the layout rule database is used for storing and arranging the edited documents so as to fast and conveniently search and obtain the desired layout rule document so that the resources are convenient to be shared and fast succeeded.
Owner:ADVANTECH CO LTD

Construction method of arc cable wire slot structure

The invention discloses a construction method of an arc cable wire slot structure. The arc cable wire slot structure comprises a cable wire slot and a wire slot bearing part, wherein the cable wire slot comprises two segments of linear wire slots and an arc wire slot for connecting the two sections of linear wire slots; the arc segment wire slot is slot-shaped and comprises two connecting units with the same shape and size; two connecting units are in left-right mirroring butt joint, each connecting unit comprises a bottom plate, and a long ledge and a short ledge which are respectively vertical to the bottom plate. The construction method comprises the steps of computing the bend angle of the arc segment wire slot, counting the angle and the type of the arc segment wire slot, drawing a blank part detail drawing by using the 3D software, processing to produce the arc segment wire slot and numbering, paying off according to the mounting of a wire slot support by a design drawing, and mounting the wire slot. The construction method can satisfy the demand of the rigid cable wire slot mounting when the municipal integrated trench construction arc structure part is high in occupancy, the arc wire slot is multiple in specification and model, the cable laying quality requirement is high, and the mounting space arrangement difficulty is large.
Owner:BEIJING URBAN CONSTR FIFTH CONSTR GRP

Computer graphics method for manufacturing centrifugal rating plate

The invention discloses a computer graphics method for manufacturing centrifugal rating plate, comprising the following steps: inputting a circular arc parameter, and graphing an auxiliary circle; according to the circular arc start angle parameter, drawing an auxiliary radial and intersecting with the auxiliary circle, and calculating the practical start angle of the circular arc according to the intersection; obtaining the practical end angle of the circular arc with the same method, and graphing a main circular arc according to the obtained practical start and end angle; deleting the auxiliary radial and the auxiliary circle; according to one of three scale angle deflection methods, calculating to obtain the theoretical deflection angle of each scale mark on the circular arc; drawing the auxiliary circle taking the circle center of the circular arc as the center and the radius of the scale mark as the radius; according to the theoretical deflection angle parameter of each scale mark, graphing an auxiliary radial of which the starting point is the circle center of the scale mark, and obtaining the intersection of the auxiliary radial and the auxiliary circle, i.e. the practical starting point of the scale mark; the scale mark is successively graphed according to the parameters such as, the practical starting point, the theoretical deflection angle, the length and the like ofthe scale mark.
Owner:JIANGSU KEDA HUIFENG SCI & TECH
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