452results about How to "Realistic effect" patented technology

The invention discloses an electronic luminescent device for simulating true fire and a method for simulating true fire by the same. The electronic luminescent device comprises an enclosure, a light-emitting element, flame sheets and a swing mechanism, wherein, the flame sheets are movably suspended on the enclosure and comprise upper sheets which are simulated into a flame shape, and the upper sheets are exposed outside the enclosure; the light-emitting element is installed on the enclosure, and the light outgoing direction of the light-emitting element is intersected with the upper sheets so that the light of the light-emitting element is projected on the surfaces of each upper sheet; and the swing mechanism is arranged under the flame sheets and used for applying an acting force on the flame sheets so that the flame sheets sway or swing. By matching the flame sheets with projecting light, the flame sheets sway under the action of the swing mechanism, and the light give off by the light-emitting element is projected on the flame sheets and looks like true flickering flame so that the flame simulated by the luminescent device is closer to the wick flame of the traditional lighting devices such as a true candle, a kerosene lamp and the like, thus further promoting the visual experience of the product and providing the product with more interest and appreciation.

A method of fitting a virtual item using a human body model and a system for providing a fitting service of a virtual item are provided, the method including determining whether a user is located in an experience area, loading a three-dimensional (3D) standard avatar corresponding to setting information input by the user when the user is located in the trial area, obtaining a depth image of the user corresponding to a preset posture, transforming the 3D standard avatar into a user avatar reflecting body characteristics of the user, using a depth image of the user, fitting a virtual item selected by the user to the user avatar, and applying a motion of the user changing in real time to the user avatar to which the virtual item is fitted.

A model train control system providing a more realistic modeling of the movement, sound, smoke, and lighting effects of a model train is disclosed. A number of dynamic inputs are used to control such effects. Novel features include providing a dynamic variable speed compensator, a dynamic engine load calculator, automatic dynamic momentum, an adjustable train brake, spectrum control, a velocity controller, pressure sensitive effects, a voice activated dispatcher system, a train location and information reporter network, two digit addressing, a traffic control system, accessory control, a model train Central Control Module, and removable memory modules.

The invention discloses an implementation method of skinned skeletal animation. The implementation method comprises the following steps: A, constructing a skeleton model and a skinned mesh model which constitute a role model; B, determining a skeleton which influences the mesh vertexes on the skinned mesh model, and determining the influence weight according to a geometrical relationship and a physical relationship between the skeleton and the vertexes; C, carrying out calculus of interpolation between each two adjacent key frames according to a key frame sequence of skeleton movement, which is stored in a role model file, and determining new position and new orientation of each skeleton at certain moment; and D, calculating new position and new orientation of each vertex under a world coordinate system according to skeleton index and corresponding influence weight which influence each vertex and are stored in each vertex on the skinned mesh model, and thus achieving skinned skeleton animation. According to the implementation method disclosed by the invention, the joint problem in skeletal animation is solved, the effect is real and vivid, and is more flexible compared with that of vertex animation, and little memory space is occupied while a favorable animation effect is finished; the skinned skeletal animation can be constructed more easily and rapidly.

The invention provides a three-dimensional (3D) head-mounted display. The 3D head-mounted display comprises an image displaying component, an optical imaging system, an optical adjustment component, an audio transmission component, a camera module, a control module and an eyeglass type casing. The 3D head-mounted display is characterized in that the control module is respectively connected with the image displaying system, the audio transmission component and the camera module; the optical adjustment component is connected with the optical imaging system; the relative position of optical glasses of the optical imaging system can be adjusted through the optical adjustment component; and the camera module is connected with the image displaying component through wired connection. The 3D head-mounted display can be suitable for human engineering to a maximum measure, can protect the eyes from being fatigued, and can be used for displaying 3D stereoscopic video and common 2D video and be suitable for more people; and through the switchable performance of the camera module, the 3D head-mounted display is more humanized, and can prevent users from feeling panic caused by confining for a long time.

The invention discloses an ancient cultural relic scene fast rendering method based on the augmented reality technology. The method specifically comprises the steps that 1), a landmark is prepared, and data collection is conducted on a cultural relic; 2) the three-dimensional landmark is tracked through a camera, recognition and analysis of the three-dimensional landmark are conducted, three-dimensional landmark area partition is conducted, an environment chartlet is built, and the position and intensity of a light source are obtained in the environment charlet; 3) a virtual illumination model with real-time light rendered is built; 4) a virtual object model is built for the ancient cultural relic, and a three-dimensional model of the ancient cultural relic is obtained; 5) hidden surface elimination is conducted on the built virtual object model of the ancient cultural relic; 6) shadows are added for the three-dimensional model of the ancient cultural relic, and the shadows are softened to be soft shadows; 7) an virtual illumination and virtual ancient cultural relic real-time interactive system is obtained. The ancient cultural relic scene fast rendering method displays the three-dimensional model of the ancient cultural relic to a real scene through the augmented reality and fast rendering technology, and virtual-real interaction is conducted through a display device.

The invention discloses a method for realizing virtual three-dimensional superposition through tracking and positioning algorithms. The method comprises the following steps of: 1, presetting characteristic points of a tracked object, taking a plane in which the characteristic points of the tracked object are positioned as a reference plane, determining a world coordinate system by taking any one characteristic point as an original point, and recording a world coordinate value of each characteristic point; 2, recording pixel coordinate values of two frames of image; 3, detecting characteristic points of each frame of images which are subsequently input in the same mode, and calculating an inner parameter N and an outer parameter H of a camera; 4, decomposing an acquired outer parameter matrix to calculate a translation vector and a rotating vector R between the object and the camera; and 5, virtually enhancing the realistic three-dimensional superposition. A video image of which a three-dimensional model is superposed has high three-dimensional stereoscopic sensation and vivid effect.

The invention discloses a method for displaying the evaluation data of a nuclear radiation aftermath. A radioactive release source item is analyzed and calculated according to the state of the power plant of a nuclear power station, an accident aftermath which is possibly generated after an accident occurs to the nuclear power station is forecasted and calculated according to a quick evaluation mode, a single-module mode and a fine evaluation mode, and the calculated aftermath evaluation result is written into a text file; then, these text data are respectively classified according to three modes of the quick evaluation mode, the single-module mode and the fine evaluation mode, are written on a corresponding grid chart layer of a selected mode by selecting and switching at least one mode in the three modes and are represented in the form of arrowheads with different colors and / or changes. The invention combines the parameter information of the geography, the population, the weather and the like around the nuclear power station and intuitively reflects the aftermath which is possibly caused after the accident occurs to the nuclear power station.

The invention relates to a FlashVR-based three-dimensional mini-scene network publishing engine. The FlashVR-based and plugin-free three-dimensional mini-scene network publishing engine is actualized by using a Flash scripting language, namely ActionScript 3.0 and combining a space expression method in Flash software according to a three-dimensional pipeline. Experiments show that the engine realizes real-time rendering and interactive operation of a three-dimensional model file induced by three-dimensional modeling tools, such as 3dSmax or maya and the like, so that the corresponding .swf file is generated eventually. The .swf file is embedded into a browser and the three-dimensional model is published without downloading an additional plugin by a user. At the same time, on the basis of adjusting and encapsulating a part of universal technical details, an application program interface function facing FlashVR application is formed, so that application developers do not need to care for the implementation details of underlying technology, the working difficulty and workload of the developers are greatly reduced and the development period is shortened.

The invention, which belongs to the technical field of construction of an urban three-dimensional model, especially relates to a dense-point-cloud-based rapid construction method of an urban three-dimensional model. With the method, technical problems of low efficiency and the like in the prior art can be solved. The dense-point-cloud-based rapid construction method comprises: A, carrying out adaptive blocking on point cloud data; B, carrying out three-dimensional TIN model construction on the divided blocks; C, selecting an image with the best quality from a multi-view slanted image for each surface of the three-dimensional TIN model and using the image as a texture data source; D, after selection of the texture data sources with the best qualities, carrying out texture extraction; E, carrying out substitution of textures of shielded parts to complete vulnerability repairing of the textures; and F, pasting the preferably selected textures to the surface of the three-dimensional TIN model to generate a three-dimensional model with a lifelike effect. The method has advantages: firstly, the construction efficiency is high; and secondly, the texture quality is improved and the lifelike effect is realized.

The invention provides a commodity three-dimensional reconstruction system and a reconstruction method, wherein, the method comprises the following steps: S1, obtaining at least three point cloud images of commodities from different angles of view; S2, based on SAC-IA-ICP algorithm registers the point cloud of two adjacent point cloud images in order to eliminate the deviation between adjacent point cloud images. S3, adopting the improved Poisson surface reconstruction algorithm to reconstruct the complete three-dimensional surface model of the merchandise for all the point clouds after registration; S4, color rendering and illumination rendering are carried out on the commodity three-dimensional curved surface model by using an illumination renderer to obtain a three-dimensional commoditymodel that can be displayed. The three-dimensional commodity model constructed in the above method is more prominent in detail and more obvious in geometrical features. The effect is more real and the global shape and detail features of the commodity are truly restored.

The invention discloses a ceramic polished brick and a production method and a production line of the ceramic polished brick. The production line comprises a range-shaped texture forming set, a material block forming set, an atomization spraying system, a third material distributing device, a first roll pressing device, a cutting device, a gorge-shaped texture forming set, a sixth material distributing device, a second roll pressing device, a seventh material distributing device and a press device, all of which are sequentially connected through a belt. According to a preparing method, color attaching pulp is attached to a micro powder stack jointly formed by material blocks formed by a range-shaped texture material belt subjected to the action of a texture manufacturing device and tooth roller crushing, the poking operation and super-through line material filling procedures are carried out on pressed powder through two sets of different mechanical arm combinations, wherein the pressed powder is formed through material supplementing, prepressing and cutting and edge removing. The polished brick obtains the polished brick decoration texture jointly composed of the range-shaped texture, the lava-shaped texture and the gorge-shaped texture. The range-shaped texture is smooth and natural, the edge of the lava-shaped texture has color lines fine like silk yarn, the texture is infinitely close to the difference texture of natural stone, and the stone imitating effect is extremely good.

Exemplary embodiments are directed to a sound modification system and loud speaker system. The system may impose amplitude and frequency modulation on to a signal representing the output of an electrical musical instrument or other sound source while also imposing a sense of movement of the sound to the listener. Further, the system may simultaneously amplify sound signals without the amplitude, frequency and spatial sense of modulation or a different sense of modulation. The system combines a plurality of speaker transducers, a plurality of amplifiers and digital signal processors to provide a flexible, portable and practical sound modification and amplification system.

The invention discloses a method for using soft attapulgite ceramic powder. The method comprises the following steps of: putting the soft attapulgite ceramic powder into a container; slowly adding hot water to the soft attapulgite ceramic powder, stirring the powder in time and kneading into a strip-shaped mud cake; coating methyl silicone oil onto the outer surface of the strip-shaped mud cake and kneading once again; and pressing the strip-shaped mud cake into soft attapulgite ceramic mud. The soft attapulgite ceramic powder comprises purified attapulgite clay, bentonite, sepiolite, calcium chloride, sodium polyacrylate, sodium carboxymethylcellulose and sodium stearoyl lactate. The soft attapulgite ceramic mud prepared by adding the water and the methyl silicone oil to the soft attapulgite ceramic powder has the characteristics of high viscosity, good soft plasticity, small shrinkage, no deformation, hardening after natural drying, no need of roasting, no cracks, no mildew, no deterioration, no irritation to skin, no toxicity, no corrosivity and no oily feel. The using method of the soft attapulgite ceramic powder is suitable for manufacturing the soft attapulgite ceramic mud on site by adopting the soft attapulgite ceramic powder.

The invention discloses a preparation method of a stone-pattern-simulating glazed brick. The preparation method comprises the following steps of: 1) laying and accumulating colored dry particles on the surface of a blank body according to the pattern requirement with the thickness being 1-3mm; 2) after drying the blank body laid with the dry particles, burning the blank body for 90-150 minutes in a kiln at the temperature of 1150-1230 DEG C; and 3) edging and polishing the burnt brick body to obtain the stone-pattern-simulating glazed brick. The preparation method is simple in process and low in production cost; and the obtained glazed brick is strong in stereoscopic impression and vivid in stone-simulating effect, and meets the requirements of consumers better.

The invention discloses water-based colourful building coating. The water-based colourful building coating is formed by mixing the following components in percentage by mass: 5-20% of water-based colour paste, 60-70% of colour chip system and 30-40% of emulsion binder. A preparation method of the water-based colourful building coating comprises the following steps: preparing basic paint, matching colour, preparing a protection glue system, preparing a colour chip system, preparing an emulsion binder, and adding the colour chip system into the prepared emulsion binder, thus the stable water-based colourful building coating is formed. The water-based colourful building coating has the advantages that the protection glue system and cellulose in the basic paint interact with each other, so that produced gel is firmly wrapped on the surface of the basic paint of each colour, and surface activity of negative ions provides negative charges to form stable colour chips in various colours; the water-based colourful building coating can improve colour chip stability and storage stability, can prevent precipitation, colour bleeding and muddy water of the water-based colourful particles, is moulded by spraying in one step, good in recoatability, realistic in natural marble imitating effect and simple to maintain, has certain elasticity and can be used for making up micro cracks of a wall body.

A selfie stick with a lighting function comprises a holding rod, a fixing frame at one end of the holding rod, a lamp unit arranged on the fixing frame and a control unit. The lamp unit comprises at least one lamp, a lamp source controller and a lamp end transceiver. Colors, lighting strength and saturation of the at least one lamp can be controlled, and the at least one lamp can also be controlled to emit warm yellow or white light. The lamp source controller is connected with the at least one lamp and receives external signals to control the at least one lamp. The lamp end transceiver receives and transmits the external signals to the lamp source controller to control the at least one lamp. The control unit comprises a lamp control key group and a shooting key which are arranged on the control unit. The lamp control key group receives user press actions and emits corresponding control signals to control the at least one lamp. The shooting key receives the user press actions and transmits the control signals to a shooting electronic unit to control the shooting electronic unit to perform shooting.

The invention provides a hartite material, and a preparation method and application thereof. The hartite material is prepared from the following ingredients in parts by mass: 50 to 54 parts of SiO2, 15 to 19 parts of Al2O3, 0 to 0.5 part of Li2O, 3.5 to 5.5 parts of K2O, 1 to 2 parts of Na2O, 6 to 9 parts of CaO, 1.5 to 3 parts of MgO, 4 to 7 parts of ZnO, 8 to 10 parts of BaO, 0 to 2 parts of SrO, 0 to 0.5 part of ZrO and 0 to 0.2 part of V2O5; the raw materials are mixed, calcined, smashed or ground to obtain the hartite material; the hartite material and a mud blank are mixed to be manufactured into a hartite ceramic tile. The hartite ceramic tile has good satin texture, hardness, transparency, acid-base resistant performance and color emissivity.

The invention discloses a water-based cold-pigment multifunctional heat-insulating true stone paint for an exterior wall and a preparation method thereof. The water-based cold-pigment multifunctional heat-insulating true stone paint is prepared by mixing water, auxiliary agents, a synthetic resin emulsion, pigments and fillers and natural colorized sand. The preparation method comprises the following steps: firstly, adding water, fiber, a defoaming agent, glycol, a film-forming auxiliary agent and an multifunctional auxiliary agent into a dispersing tank; secondly, adding a styrene-acrylic emulsion; thirdly, sequentially adding a cold pigment, hollow glass microspheres, hollow ceramic microspheres, rutile titanium dioxide, ultrafine talcum powder and infrared ceramic powder; fourthly, slowly adding quartz sand; and finally, adding a sterilizing agent, the defoaming agent and a thickening agent and stirring uniformly. By adding the cold pigment, the hollow glass microspheres and other pigments and fillers, the water-based true stone paint for the exterior wall is endowed with three heat-insulating effects, namely blocking heat insulation, reflective heat insulation and radiative heat insulation; by selecting the water-based synthetic resin emulsion and the water-based paint auxiliary agents, the true stone paint is water-based and environment-friendly; natural quartz sand with different fineness and different colors is used as aggregate, so that the true stone paint has a vivid effect for imitating natural stone, marble and granite, and is rich in paint film color and gorgeous in appearance.

The invention discloses an intelligent simulation-type nursing teaching system based on double-network interconnection and a construction method. The nursing teaching system comprises an identity information identification module, a digital twin modeling module, a computer processing module, a virtual simulation teaching module and a self-service terminal module. Various elements in nursing wardsof hospitals in cooperation can undergo real depiction and description modeling via 3D modeling, virtual reality, augmented reality and simulation techniques, physical data collection can be conductedon equipment and apparatuses in the nursing wards of the hospitals in cooperation so as to generate model data of a mirror image, and finally, characteristic extraction, multi-source cleaning and consistency verification can be implemented through data fusion, so as to obtain twin data which is mapped in a virtual model to form an interactive scene framework. Generally, the nursing teaching system provided by the invention can achieve real-time data updating and is more beneficial for teaching guidance; and the nursing teaching system has the advantages of being vivid in effect, high in datasynchronous fit degree, good in practical training effect, high in quality and the like.

The invention discloses a method and a system for converting a two-dimensional video of a complex scene into a three-dimensional video. The method comprises the steps of: carrying out scene segmentation on an input two-dimensional video, segmenting each frame into a foreground part and a background part; judging the type of a foreground target, carrying out three-dimensional reconstruction on the foreground part according to the type of the target; judging whether the background part moves or not, if so, carrying out three-dimensional reconstruction on the background by using a motion-based reconstructing method, if not, carrying out three-dimensional reconstruction on the background by using a tone-based reconstructing method; synthesizing a three-dimensional reconstruction result obtained from the foreground part into a three-dimensional foreground; synthesizing a three-dimensional reconstruction result obtained from the background part into a three-dimensional background; and synthesizing the synthesized three-dimensional foreground and the synthesized three-dimensional background into the three-dimensional video for outputting. The invention can realize high-accuracy three-dimensional conversion on the two-dimensional video of the complex scene, process different types of targets and different types of videos, and generate the three-dimensional video with vivid effect.

An inflatable remote control vehicle having a wheel-less inflatable vehicle body attached to a remotely controlled base unit and fully functional chassis having a plurality of visually functional wheels. The inflatable vehicle body includes a plurality of wheel well areas for accommodating the functional wheels of the base unit and allowing the functionality of wheels to be seen by a viewer. The remote control vehicle preferably includes a rigid support structure connected to a bottom surface of the inflatable vehicle body, where the rigid support structure is then attached to the remotely controlled base unit.

System, methods, and apparatus allow for creating translucent surfaces within a three-dimensional model. One or more implementations render a three-dimensional model of a layout of a design space within an architectural design environment. Additionally, one or more implementations identify a first portion of the three-dimensional model that is positioned behind a translucent surface within the three-dimensional model. Furthermore, one or more implementations render a visual distortion effect for the identified first portion of the three-dimensional model. Further still, one or more implementations display on a display device the three-dimensional model comprising the translucent surface, such that the three-dimensional model is displayed behind the translucent surface in a distorted form based on the rendered distortion effect.

The invention discloses a production method of an imitative natural stone texture porcelain tile. By adjusting the caliber size and the shape of a slurry outlet of a distributing pipeline, and the arrangement position and swinging of the pipeline, different colors of slurry is sprayed onto the surface of a green brick under certain pressure to form different color gradients which are similar to patterns and lines formed by flowing, impact and extrusion of lava, the texture is natural and smooth, the effect is lifelike, the decorative effect is comparable to the decorative effect of natural stone, the working procedure is easy to control, and the mass production is stable. Meanwhile, by adopting the method provided by the invention, the slurry is easily recycled, and the overall production cost is effectively controlled.

A method of fitting a virtual item using a human body model and a system for providing a fitting service of a virtual item are provided, the method including determining whether a user is located in an experience area, loading a three-dimensional (3D) standard avatar corresponding to setting information input by the user when the user is located in the trial area, obtaining a depth image of the user corresponding to a preset posture, transforming the 3D standard avatar into a user avatar reflecting body characteristics of the user, using a depth image of the user, fitting a virtual item selected by the user to the user avatar, and applying a motion of the user changing in real time to the user avatar to which the virtual item is fitted.

The invention discloses a singing sound synthesis system, which comprises a storage unit, a beat unit, an input unit and a processing unit, wherein the storage unit is used for storing at least one melody; the beat unit is used for indicating a beat; the input unit is used for receiving a plurality of sound signals; and the processing unit is used for processing the sound signals and generating a synthesized singing sound signal. The sound signals are generated by reading aloud or humming by a user according to the melody and the beat, so each sound signal corresponds to the melody and the beat and is processed directly, and the time and the cost of pre-recording a large number of user corpuses are saved, the system resources are saved, and the song synthesis speed is improved; furthermore, the finally obtained synthesized singing sound has tones of users, and the effect is quite lifelike.

The invention relates to a construction method of a dual-mode three-dimensional terrain stereo environment, belonging to the field of the electronic technology of computer graphics. The method generates a stereo auxiliary image stereo landscape based on an orthographic stereopair and a dual-mode three-dimensional stereo environment organically combining virtual three-dimensional geographical landscapes based on DEM (digital elevation model) and orthoimage through a unified data organization mode by use of the basic data such as orthoimage, stereo auxiliary image, DEM and the like, and realizes the linkage roaming, seamless switching and information interconnection of two three-dimensional environments under the drive of data scheduling and landscape roaming engines; and a user can perform basic information inquiry and space analysis operation in the two landscapes. Through the invention, the constructed dual-mode three-dimensional terrain environment has the characteristics of flexible interaction, vivid effect, strong immersion, high measurement precision, diverse information acquisition and expression modes and the like.

The invention discloses a holographic liquid crystal display (LCD), a stereo display method and a stereo display system, wherein the holographic LCD stereo display system comprises a holographic projection device, a signal synchronous generator and a holographic LCD provided with a plurality layers of LCD panels. In the system, the holographic projection device decomposes a stored holographic stereo image to obtain decomposed images and projects the decomposed images to the holographic LCD in sequence, the holographic LCD controls the plurality layers of LCD panels to display the projected decomposed images in the projection sequence according to a received synchronous signal from the signal synchronous generator, when the frequency of the holographic LCD for displaying the decomposed images is not smaller than 46 HZ, the decomposed images form real three-dimensional stereo images in the human brain through the vision persistence effect of human eyes so that the holographic three-dimensional stereo images become stereo images in the holographic LCD and the vivid effect of displaying real naked eye three-dimensional images is achieved.

The invention provides a method for customizing and displaying 3D online design of products based on internet. The method includes the steps that a 3D design model of a product is established, the 3D design model is exported as a model format for WebGL rendering; the 3D design model established by using an online real-time rendering technology is loaded and displayed in a model display window; the model display window is provided with multiple function menu bars, the operation instructions from a user for the function menu bars are received, the 3D design model is controlled to carry out the corresponding actions; while the user operates, the technology is updated in real time through the texture of the 3D model, and the model in the model display window is displayed in real time as a user custom made image. According to the method for customizing and displaying 3D online design of goods based on internet, the 3D personalized customization of the product is established on the basis of the web page 3D product display, personalized customization of the product is achieved, and after the user randomly matches and combines a picture and a text, the picture and text are updated in real time and displayed onto the 3D product model to achieve the what-you-see-is-what-you-get effect.

The invention discloses a hysteroscopic surgery simulator, which comprises an examining table, a female human model, a uterine cavity resectoscope, a rotation sensor, a displacement sensor, a force feedback touch simulator, data receiving processing equipment, a 3D (three-dimensional) model processing server, a 3D platform system server and display equipment. The hysteroscopic surgery simulator is characterized in that the uterine cavity resectoscope is put in the model; the lower part of the resectoscope body is provided with the displacement sensor and the rotation sensor; the tail end of the resectoscope body is provided with the force feedback touch simulator; the displacement sensor, the rotation sensor and the force feedback touch simulator are respectively and bi-directionally related with the data receiving processing equipment arranged in the examining table. Various 3D stereoscopic models of normal tissues and diseases of a virtual uterine cavity and 3D models for an operation process are stored in the 3D model processing server, and a hysteroscopy and surgery operation interface and entering and playback software are stored, and are output to the display equipment through the 3D platform system server to show vivid virtual 3D images; the hysteroscopic surgery simulator also has a vivid force feedback touch, so that the effects of hysteroscopy, and surgery skill training and assessment can be obviously improved.