39results about How to "Guaranteed drawing effect" patented technology

The invention discloses a depth image preprocessing method. A maximally tolerant distortion distribution image of a depth image is obtained according to the influence of depth distortion on the rendering of a virtual viewpoint image in combination with the visual characteristics of a human eye, the depth image is divided into a belief content area and an unbelief content area according to the maximally tolerant distortion distribution image, and two groups of bilateral filters with different filtering intensities are designed to filter depth values of each pixel in the belief content area andthe unbelief content area. The method has the advantage that: the filtering intensity is selected according to the maximally tolerant distortion distribution image of the depth image to greatly improve the compression efficiency of the depth image on the basis of ensuring the rendering performance of the virtual viewpoint image.

The invention relates to a large-scale terrain rendering system based on a double-layer nested grid. The system consists of a preprocessing module and a real-time rendering module, wherein the preprocessing module carries out off-line preprocessing on DEM data and texture data needed when in rendering; a resolution ratio of a coarse layer is controlled within a certain threshold value and stored; layering and partitioning processing is carried out on a precise layer, and the processed terrain block data are stored in an external memory; and the real-time rendering module takes charge of real-time rendering of large-scale terrain, and the module also comprises a scene model rendering submodule and a scene model updating submodule. The scene model rendering submodule has the functions of T connection elimination, vision field rejection, geometric transition and fusion of the two layers; and the scene model updating submodule changes the fine degree of all terrain areas according to the change of viewpoints and controls the pre-dispatch of terrain mass data. The scene model rendering submodule and the scene model updating submodule are divided into two threads to be executed so as to obviously improve the rendering speed of large-scale terrain scenes.

The invention discloses a depth image coding method which is characterized in that a maximum tolerable distortion distribution image of an original left viewpoint depth image is obtained according to influence of depth distribution on virtual viewpoint image drawing and by combining the visual characteristics of human eyes, a drawing image of an original right viewpoint depth image is obtained in the method based on depth image drawing, the original left viewpoint depth image is coded according to the maximum tolerable distortion distribution image and the set coding forecast structure to obtain a decoded left viewpoint depth image, the original right viewpoint depth image and a residual image of the drawing image of the original right viewpoint depth image are coded according to the set coding forecast structure to obtain a decoded residual image, and finally a reconstructed image of a decoded right viewpoint depth image is obtained according to a drawing image of the decoded right viewpoint depth image and the decoded residual image. The depth image coding method has the advantage of greatly improving depth image coding efficiency on the basis of ensuring virtual viewpoint image drawing performance.

The invention relates to a drawing decorative film with the frosting effect. The decorative film is composed of a substrate, a release layer, a protective layer, a decorative layer and a bonding layer which are sequentially overlapped together. The release layer is formed by applying a coating liquid on the surface of the substrate through curing and drawing, wherein the coating liquid is prepared from the following materials in parts by weight: 20-30 parts of hex-methoxymethyl melamine resin, 5-10 parts of cellulose acetate propionate resin, 5-8 parts of organic silicon resin, 5-10 parts of an acid catalyst, 8-12 parts of silica powder, 2-4 parts of high-white aluminum silicate, 0.2-2 parts of a dispersing agent, 0.2-0.5 part of a flatting agent and 30-60 parts of a solvent. The frosting drawing texture of the decorative film is real, and the decorative film can be widely applied to surface decoration of high-grade plastic parts.

The invention provides a wire drawing belt, a method for manufacturing a metallic glass plate by using the wire drawing belt and the metallic glass plate. The wire drawing belt comprises a substrate material and an abrasive material; the substrate material is a non-woven fabric, the abrasive material is aluminium oxide or silicon carbide, and the grain size of the abrasive material is 50-600 meshes; and the abrasive material adheres to the substrate material. The method for manufacturing the metallic glass plate by using the wire drawing belt comprises the following steps: selecting transparent glass as a glass substrate; successively drawing long wires and broken wires on the surface of the glass substrate by using the wire drawing belt to obtain a wire drawing layer; printing brighteninggloss oil resin on the surface of the precisely treated wire drawing layer, and then sintering to obtain a wire drawing brightening layer; and printing protecting coloring resin on the surface of thewire drawing brightening layer, and then sintering to obtain the metallic glass plate. The metallic glass plate is manufactured by the method. The wire drawing belt and the metallic glass plate obtained by the method for manufacturing the metallic glass plate are suitable in color and good in surface wire drawing effect, and are attractive.

The invention discloses a depth video coding method. The depth video coding method comprises the steps that firstly, maximum tolerable distortion distribution images of original depth video images are obtained according to the impact of depth distortion on virtual viewpoint images; secondly, coding quantization parameters for conducting macro block coding on the original depth video images are calculated; thirdly, a rate-distortion cost function for conducting macro block coding on the original depth video images is calculated; lastly, the original depth video images are coded by adopting an HBP coding prediction structure and according to the determined coding quantization parameters and the rate-distortion cost function. The depth video coding method has the advantages that on the basis of ensuring the drawing performance of the virtual viewpoint images, the visual redundant information of depth videos is fully eliminated, the coding efficiency of the depth video images is greatly improved, and the coding complexity of the depth video images is greatly lowered.

The invention provides a full-automatic drawing frame, and belongs to the technical field of textile machinery. The drawing frame comprises a drawing frame rack, a feeding device, a drafting device, a slivering device, a sliver pulling device, a doffing guide device and a bobbin replacing device; the sliver pulling device comprises a sliver pulling mechanism and a sliver pulling guide mechanism; the sliver pulling mechanism comprises a fixed sliver pulling assembly and a movable sliver pulling assembly; a fixed sliver pulling curtain and a movable sliver pulling curtain are both provided with gathering protruding strips which are inclined inwards; the bobbin replacing device comprises a U-shaped bobbin replacing table, a bobbin feeding roller, a bobbin rotating mechanism and a bobbin replacing mechanism; and the bobbin replacing mechanism comprises a bobbin replacing rotating disc, a bobbin replacing rotating disc supporting shaft, a bobbin replacing arc-shaped arm, a bobbin replacing pressing wheel assembly, a bobbin replacing motor, a first bobbin replacing bevel gear and a second bobbin replacing bevel gear. In the drawing process, slivers can be effectively prevented from deviating, the drawing effect is guaranteed, and automatic bobbin replacing after drawing can be achieved; and the structure is ingenious, the automation degree is high, and the drawing efficiency is greatly improved.

The invention provides a wire drawing machine and a machining method thereof. The wire drawing machine comprises a machine frame, a first driving mechanism, a second driving mechanism, a plurality of roll shafts, a wire drawing belt, a downward pressing device and a fixture device. The first driving mechanism and the second driving mechanism are fixedly connected with the machine frame. The first roll shaft is connected with the machine frame, and the first driving mechanism drives the first roll shaft to rotate. The second roll shaft is rotationally connected with the second driving mechanism, and the second driving mechanism drives the second roll shaft to move in the axial direction of the second driving mechanism. The third roll shaft is connected with the machine frame. The wire drawing belt is wound on the multiple roll shafts. The downward pressing device comprises a third driving mechanism and a downward pressing assembly. The fixture device comprises a tool fixture, the tool fixture and the downward pressing assembly are located on the two sides of the wire drawing belt correspondingly, the tool fixture is opposite to the downward pressing assembly, and the third driving mechanism drives the downward pressing assembly to push the wire drawing belt towards the tool fixture. The invention further provides the machining method of the wire drawing machine. The wire drawing machine and the machining method thereof have the advantages of being good in wire drawing effect and high in wire drawing quality and wire drawing efficiency.

The invention belongs to the field of ceramic production, and relates to an adjusted and controlled type base body pulling device. The device comprises a rotary rotating disc used for carrying out base body pulling, a clutch mechanism used for driving the rotating disc and a spray structure connected with a water supply system. The rotating disc is of a circular operation rotary table and welded to the top end of a rotary shaft rod, the tail end of the rotary shaft rod is arranged in a bearing pedestal, the rotary shaft rod is provided with a driven bevel gear, the driven bevel gear is engagedwith a driving bevel gear, the driving bevel gear is arranged at the output end of a motor, the motor is driven by the clutch mechanism to do up-down motion, a spring is arranged in the clutch mechanism, a pedal plate is arranged upwards, the pedal plate is located on an operation table face and used for controlling up-down movement of a limiting convex rod, and the spray structure sprays water to the rotating disc through a spray ring located on the operation table face. All the parts are good in acting effect, the matched using effect is better, and the whole device has the good operation effect of saving time and labor.

The invention discloses a plastic uptake forming method, a plastic uptake forming machine and auxiliary devices, and belongs to the field of plastic uptake formation. The plastic uptake forming machine comprises a plastic uptake forming machine body, and multiple plastic uptake forming machine auxiliary devices distributed around the plastic uptake forming machine for pushing the edge parts of products covered on the plastic uptake forming machine body to an appointed position. The plastic uptake forming machine auxiliary devices comprise pressure parts for contacting with the edge parts of the products, extension parts connected with the pressure parts and extending to move the pressure parts, and power parts for providing power for extension of the extension parts. The plastic uptake forming machine overcomes such quality defects as easy wrinkling on the outer surfaces of the manufactured products, acute texture change, thinning by stretching or damage by stretching when a traditional plastic uptake forming process is adopted to manufacture the products with higher high-low falls on structures.

The invention provides an aluminized film with wire drawing effects and a film-coated colored steel plate. The aluminized film comprises a PET wire drawing film, the upper surface of the PET wire drawing film is provided with a scratch-resistant coating, the lower surface of the PET wire drawing film is provided with a vacuum aluminized layer and the surface of the vacuum aluminized layer is provided with an adhesion-enhanced resin coating. The aluminized film has metal wire drawing effects, production processes are simplified, economy and practicability are obtained and environmental influence caused by a PVC film is avoided. The film-coated colored steel plate comprises a cold-roll steel sheet and the aluminized film which has wire drawing effects and is bonded to the cold-roll steel sheet through a composite adhesive layer. The composite adhesive layer provides good high temperature resistance and water boiling resistance to the film-coated colored steel plate and satisfies processing and use requirements of the film-coated colored steel plate. Through change of the anti-rust paint color of the surface of the cold-roll steel sheet and combination with the tungsten steel color ofthe aluminized film with wire drawing effects, the appearance of different colors is realized through color superposition.

The invention discloses a drawing method for simulating brush strokes, belonging to the technical field of computer graphics processing. The method comprises the following steps of collecting the coordinate point samples in real time, and storing the collected coordinate point samples into a coordinate set according to the sampling time sequence; setting a distance threshold and a sampling time difference threshold between the coordinate point samples to filter the coordinate point samples in the coordinate set; according to the distance value and sampling time difference between adjacent coordinate point samples in the coordinate set, and by combining with the Bezier curve drawing mode, realizing the stroke drawing of the curve. By screening the collected coordinate point samples, the method of the invention realizes the optimization of the drawing fluency, and ensures the stable drawing under the low delay.

The invention discloses an art design heating and drying drawing board capable of conveniently fixing drawing paper of different sizes, and belongs to the technical field of artistic design. The heating and drying drawing board comprises rotating sleeves, a drawing paper fixing assembly, transmission screw rods, a drawing board main body, a shaping screw sleeve, a cleaning assembly and a distortion return spring, a panel is arranged on the outer wall of one side of the drawing board main body, mounting sliding rails and racks are fixedly mounted on the positions, located on the outer wall of one side of the drawing board main body, of the upper portion and the lower portion of the panel, the rotating sleeves are mounted on the mounting sliding rails in a sliding mode, and the transmission screw rods are rotationally mounted inside the rotating sleeves. According to the heating and drying drawing board, the movable rotating sleeves are installed outside the board, the transmission screw rods with two-way threads are rotationally installed in the rotating sleeves, the drawing paper fixing assembly is installed on the transmission screw rods in a threaded mode, when the drawing paper needs to be fixed usually, the drawing paper can be flatly laid in the center of the panel according to the overall size of the drawing paper, the function of quickly positioning the drawing paper of different sizes can be achieved through operation, and the function is powerful.

The invention discloses a touch electronic piano which at least comprises an electric touch control chip, a sound generating chip and a sound generating device which are electrically connected and a keyboard equipped with key modules and a power supply which supplies power to the circuit. The keyboard is arranged on the upper surface of a hardboard. The conductive parts of the key modules are the keys covered by conductive ink. The key modules and the electric touch control chip are electrically connected through the conductive ink. The body of the electronic piano is only manufactured by the hardboard without using plastics to manufacture the keys or the body so that the manufacturing cost can be reduced, the size is small, the weight is low and the electronic piano can be easily carried by the user to enjoy the fun of music anytime and anywhere; the number of the keys can be increased or decreased according to the actual requirement, and the color of the keys can also be manufactured by black and white or color conductive ink according to the requirement so that the interestingness of the electronic piano can be increased; and the conductive ink of the keys on the key modules can be manufactured through printing and can also be manufactured through coating by the user so that the operability of the electronic piano can be increased.

The invention relates to a ruler capable of being used for drawing circles, which belongs to the field of teaching aids and comprises a ruler body, length graduations, a positioning rod, a track groove, a movable collar and a locking bolt. The length graduations are marked on the ruler body, the positioning rod is mounted at the 'zero' graduation, the track groove is arranged on the ruler body, the movable collar is mounted in the track groove, the locking bolt is mounted on the movable collar, and a chalk is mounted in the movable collar. The ruler capable of being used for drawing circles has the advantages that a drawing function of a conventional ruler and a drawing function of compasses are integrated, drawing steps are simplified, and the ruler is low in cost, convenient in use and applicable to classroom teaching.

The invention discloses a plate stretching and punching die. The die comprises an upper die base, a lower die base, a male die, a female die, a punch, a pressing plate and a stripping block, a lower padding plate is arranged on the lower die base, an upper padding plate is arranged on the upper die base, the male die is fixed to the lower padding plate through a fixing plate, and the female die isinstalled on the upper padding plate and matched with the male die to complete product side drawing forming. A center hole is formed in the male die, the punch is fixed to the upper padding plate andmatched with the center hole to complete product punching, a first nitrogen spring is arranged on the lower die base, the pressing plate floats between the upper die base and the lower die base underthe action of the first nitrogen spring, the pressing plate is matched with the female die to clamp the outer ring of a plate, and a second nitrogen spring is arranged on the upper die base. The stripping block floats between the upper padding plate and the pressing plate under the action of the second nitrogen spring and is matched with the male die, so that the inner ring of the plate is clamped. The die is accurate in forming size, high in efficiency, low in cost and convenient to release.

The automatic imitation copper wire drawing machine comprises a feeding frame, a discharging frame and a scouring pad used for wire drawing, a push plate is arranged at one end of the feeding frame, a driving device for driving the push plate to reciprocate is arranged at the lower end of the push plate, and the multiple wire drawing machine heads are arranged between the feeding frame and the discharging frame. The multiple wire drawing machine heads are each provided with a wire drawing device used for conducting wire drawing on a door plate, each wire drawing device comprises a first installation plate, a second installation plate, a plurality of turbine lead screw lifters and a side plate, scouring pad clamping devices are arranged on the first installation plates and the second installation plates, scouring pads are installed through the clamping devices, and wire drawing is conducted on the door plate. According to the automatic imitation copper wire drawing machine based on the multiple machine heads, manual wire drawing is replaced, the multiple machine heads are arranged, and height adjustment can be conducted according to the surface profile of the door plate; four-side wire drawing is achieved through cooperation of the first mounting plate, the second mounting plate and the side plates.

The invention discloses a surface treatment device for aluminum magnesium alloy die castings, and in particular relates to the technical field of surface treatment. The surface treatment device comprises a rack, a through groove is formed in the top end of the rack, and a base is welded on the edge, close to the through groove, of the rack. A cross beam is arranged at the position, close to the top end, of the inner side of the rack, and the cross beam is welded with rack. A working platform is arranged on the upper surface of the cross beam, and a wire drawing mechanism is arranged on the upper surface of the base. The wire drawing mechanism comprises a group of sliding rods transversely inserted into the base, and transverse transplanting cylinders are fixedly arranged on the outer surfaces of the sliding rods in a sleeving mode. Pressing plates are erected at the two ends in the transverse direction of the top end of the working platform, and pressing cylinders are fixedly arrangedat the two ends in the radial direction of the upper surfaces of the pressing plates through bolts. Compared with the prior art, the surface treatment device is not limited by dies and ensures that the wire drawing area is not limited, so that the wire drawing process of the aluminum magnesium alloy die castings is stable, and the wire drawing effect is ensured.

The invention provides color resistive ink. The color resistive ink is prepared from the following components in percentage by weight: 30%-38% of propylene glycol monomethyl ether, 15%-20% of polyvinyl butyral, 6%-10% of polyaniline, 10%-16% of cuprous chloride, 5%-9% of metal complex dye, 20%-30% of ethanol, 1%-3% of a surfactant, 2%-5% of erucylamide, 0.5%-1.5% of an antistatic agent and 0.5%-1% of wax powder. The color resistance ink solves the problems of dull color and low template drawing efficiency in an existing resistance drawing technology, has the characteristics of adjustable resistivity, stable resistance performance, good bending resistance and high adhesion, and can be used for drawing a color circuit board; besides, the ink can be used flexibly due to high resistance and low resistivity of the ink, and accordingly, design flexibility is improved.

The invention provides a conductive ink capacitive pen assembly. The assembly includes a set of electronic element module and also includes a bottom plate used for placing the electronic element module and a conductive pen used for containing conductive ink; the conductive ink is used for drawing a conductive ink line connecting adjacent electronic elements. According to the conductive ink capacitive pen assembly, the conductive pen uses the conductive ink as contents, conduction of an electronic element circuit when the conductive pen used for writing can be completed, and interaction is strong; the raw materials are low in cost, the comprehensive cost is low, production is convenient, the assembly is suitable for mass production, and benefits are more; the painting process becomes scientific and enlightening, the instincts of children to pursuit novelties are met, and meanwhile the assembly can play a very good teaching effect.