55results about How to "Realize stereoscopic display" patented technology

The invention discloses a depth image processing method based on a light field, comprising the steps as follows: using a light field acquisition device to get an initial 4D light field color image and an initial depth image of a default shooting target; performing preprocessing to get an initial 3D grid model of the default shooting target and a corresponding initial normal field; carrying out analysis and calculation to get the surface reflectivity of the default shooting target; modeling the light field image according to the initial normal field and the surface reflectivity of the default shooting target to get an illumination model and illumination parameters; optimizing the initial normal field of the default shooting target according to the surface reflectivity of the default shooting target and the illumination parameters of the illumination model; and enhancing the depth of the initial depth image according to the optimized normal field, and then, reconstructing the 3D grid model of the default shooting target. Through the method, the shape of a shooting target can be reconstructed based on a 4D light field, light field imaging stereo display of the shooting target can be realized, and a high-quality depth image can be obtained.

The invention relates to a true 3D display method oriented to Google Earth and Sketch Up. The method comprises the following steps: an implanted rendering data interception technology is adopted between invoking of a 3D API of software and display by a display card to capture an original single channel color signal, a depth signal, a 3D scene transformation matrix and a projection transformation matrix; rasterized 3D data is reconstructed by parsing the information; on the basis of the stereo vision principle, the scene is re-transformed to two different viewpoint positions in a self-adapting manner, so that a binocular vision stereopair to be displayed in a 3D form is formed, and the display card is driven to output the binocular vision stereopair in a 3D form; and polarization, a pair of red and green or blinking glasses, and the like are adopted for true 3D display and observation. The invention can realize true 3D scene display of the prior software such as Google Earth and SketchUp without changing programs and operation modes.

The invention discloses a multispectral stereoscopic vision endoscope device and an image fusion method, and belongs to the field of medical devices. The multispectral stereoscopic vision endoscope device comprises a light source part, a camera part, an image processing part and a display part. The image fusion method comprises the steps that 1, images are acquired by an endoscope image acquisition unit; 2, Gaussian pyramids and Laplacian pyramids are built separately; 3, all layers except the top layers of the Laplacian pyramids of the near infrared image and the green image are processed andfused; 4, near infrared pyramid top-layer images are subjected to target area segmentation; 5, top-layer green images and the top-layer near infrared images are processed and fused; 6, bottom-layer green images are reconstructed according to the Laplacian pyramids obtained after fusion; 7, the reconstructed green images are combined with other channels to obtain final fusion images; and 8, the two fusion images are processed through an anaglyph shifting method to generate a stereoscopic image pair. According to the method, real three-dimensional structure information is obtained.

The invention relates to the field of stereoscopic display, and particularly relates to a head-worn stereoscopic video playing method. The head-worn stereoscopic video playing method relates to hardware and software. The hardware includes a memory, a processor, a displayer and an optical amplification component. The software includes a file operation module, a video decoding module, a video scaling module, a line interleaving conversion module, a display control module and a stereoscopic display module. According to the head-worn stereoscopic video playing method, complicated real-time frame dividing operation does not need to be performed by a PCU; use of an expensive high-performance or customized chip can be avoided, and stereoscopic display can be realized by an embedded platform with a video display controller; and stereoscopic display can be realized with no requirement of using a dedicated two-way video output control interface so that development cost is relatively low.

The invention provides a backlight module and a display device and relates to the technical field of display. The backlight module and the display device can realize three-dimensional display without optical gratings. The backlight module comprises a first light guide plate, a second light guide plate, a first light source and a second light source, the first light guide plate and the second light guide plate are stacked, the first light source is opposite to the first light guide plate, the second light source is opposite to the second light guide plate, the first light guide source and the second light guide source are positioned on two opposite sides of the two light guide plates, microgroove structures are formed on each of the upper surfaces of the first light guide plate and the second light guide plate or the lower surfaces of the first light guide plate and the second light guide plate, and the farther the microgroove structures on each light guide plate away from the light source opposite to the light guide plate, the higher the microgroove structures are. The backlight module is applicable to design and manufacture of the display device.

The invention discloses an integral-imaging high-density small-interval LED display parameter design method, which belongs to the technical field of stereoscopic video display. Parameter matching is carried out on a lens array and a super high-density small-interval LED display screen, and according to the display parameters, a needed true three-dimensional video source (a stereoscopic element image array) is generated. The lens array is plano-convex lenses with an inscribed circle-shaped aperture. The stereoscopic element image array is acquired by adopting two modes of live-action shooting and virtual generation. Naked eye 3D stereoscopic display can be realized, the stereoscopic display effects are outstanding, and the color is bright.

The invention discloses an eyeglass TV device which supports the receiving function of a mobile TV. The eyeglass TV device consists of a video processing circuit, an optical amplification system and an OLED micro-display screen, and has stereo display function. The eyeglass TV device can directly receive a PAL/NTSC analog TV signal or mobile digital TV signal, can also be connected with equipment with a CVBS output such as a mobile phone, an MP4, a PDA, a portable DVD, and the like, and also supports stereo CVBS input, analog RGB input of a computer VGA interface and the stereo display of most 3D games. The video image displayed by the OLED micro-display screen is taken on a 40in virtual enlarged image after being amplified by an optical prism to achieve the effect of large screen display.

The invention discloses an implanted true-three-dimensional stereo rendering method facing to ERDAS Virtual GIS, which comprises the following steps: adopting an implanted rendering data intercepting technology between 3D API invocation and display card displaying adopted by the ERDAS Virtual GIS software, capturing original single channel color signals and depth signals, three-dimensional scene transformation matrix and projection transformation matrix; analyzing the information, reconstructing grid three-dimensional data; adaptively transforming the scene to two different viewpoint positions again based on the stereo vision principle to form a binocular vision stereo pair which can be displayed three-dimensionally, driving a display card to stereo-output the binocular vision stereo pair; and performing the true-three-dimensional stereo display and observation by using polarization, red and green, blinking glass, and the like. The invention can realize the true-three-dimensional stereo scene display under the condition of not changing the program and the operation mode of the prior ERDAS Virtual GIS software.

The invention discloses an implanted type true three-dimensional rendering method oriented to an ESRI three-dimensional GIS module, which comprises the following steps: capturing the original single-channel color signals and depth signals, and three-dimensional scene transformation matrixes and projection transformation matrixes by an implanted type rendering data interception technique between a 3D API call and graphics card display adopted by an ESRI three-dimensional GIS module software; parsing the information to reconstruct rasterize three-dimensional data; based on the principle of stereo vision, adaptively re-transforming the scene into two different view point locations to form binocular vision three-dimensional stereograph capable of being displayed three-dimensionally and drive the graphics card to perform three-dimensional output on the binocular three-dimensional stereograph; and performing true three-dimensional display and observation by making use of polarized, red and green, and blinking glasses, and the like. The implanted type true three-dimensional rendering method can achieve true three-dimensional scene display under the condition that the procedures and the operating modes of the prior ESRI three-dimensional GIS module software are not changed.

The invention discloses a real three-dimension display method facing to Skyline which includes steps as follows: using an embedded romance data holding up technique between 3D API transferring and display card displaying used by the software; capturing original single chunnel color signal and deep signal, three-dimension scene transformation matrix and projecting transformation matrix; analyzing the information and reconstructing rasterized three-dimension data; self adaptive transforming the scene to two various visual point positions renewedly for forming a dual-eye visual three-dimension image pair for three-dimension displaying, and a driving display card processing three-dimension outputting to the dual-eye three-dimension image pair; processing real three-dimension scene display and observation by using polarization, red-green and fast close type glasses. The method can realize real three-dimension scene display in condition of no changing the program and the operation mode of the present Skyline software.

The invention provides a lenticular grating based LED stereoscopic display screen device with a great many of viewpoints. The display screen device comprises an LED planar display screen and human-eye watching viewpoints, an arc lenticular grating is arranged between the LED planar display screen and human-eye watching viewpoints, the LED planar display screen is arranged along the axis x and symmetric by taking the axis x as the center, the vertex of a cylindrical lens of the intermediate arc lenticular grating is positioned in the coordinate origin, an image side of the LED planar display screen is positioned in the focal plane of the cylindrical lens of the arc lenticular grating, the width of sub-pixel is t, the lenticular thickens of the arc lenticular grating is d, distance between the cylindrical lens of the arc lenticular grating and the LED planar display screen is s, the human-eye watching viewpoints are positioned in positions whose distance to the cylindrical lens of the arc lenticular grating is L, and the distance between the eyes is set as e. A 3D structure with a static effect as well as a 3D image with a dynamic effect can be realized.

The invention discloses a one-dimensional integrated imaging display method based on a special-shaped cylindrical lens grating, and belongs to the technical field of free three-dimensional display. The invention designs a true three-dimensional display method with multi-view, large-view and high-definition based on a staggered discrete cylindrical lens grating. Firstly, a viewpoint image is obtained through real shooting or a virtual model, the viewpoint image is displayed on a display panel after being processed through a stereogram synthesis algorithm, a staggered discrete cylindrical lens grating and a holographic diffusion sheet are sequentially placed at the proper positions in front of the display panel, and the optimal viewing effect is achieved by designing and matching various parameters of all the devices. By designing the staggered discrete cylindrical lens grating and using the holographic diffusion sheet, three-dimensional display with continuous parallax, dense viewpoints, wide viewing angle and high definition is realized, the problem of small viewing angle of a single viewing area in traditional cylindrical lens grating three-dimensional display is solved, and the three-dimensional display effect is superior to that of a traditional one-dimensional integrated imaging display mode.

The invention provides a display picture adjusting method and device of a rotary display screen and the rotary display screen, belongs to the technical field of display, and can at least partially solve the problem of color cast of an existing rotary display screen due to low gray scale pixels. The invention discloses a method for adjusting a display image of a rotary display screen, wherein the rotary display screen comprises a plurality of pixels distributed in an array and can rotate at a specific angular speed by taking a line which is parallel to the column pixels and passes through the rotary display screen as an axis, the rotary display screen displays different pictures in different phases, and the method comprises the following steps: determining a first gray-scale threshold valueaccording to the characteristics of the rotary display screen; comparing the gray value of the lightened pixel in the image of the current phase with a first gray scale threshold value; and if the gray value of the lightened pixel in the image of the current phase is smaller than the first gray scale threshold value, taking the pixel as a to-be-adjusted pixel, adjusting the gray scale value of the to-be-adjusted pixel to zero gray scale, and performing gray scale compensation on the pixel close to the to-be-adjusted pixel.

The invention relates to an implanted actual three-dimensional rendering method oriented to a PCI three-dimensional analysis module, comprising: adopting implanted rendering data interception technology between calling of 3D API adopted by the PCI three-dimensional analysis module and display of a display card to capture an original single-channel color signal, a depth signal, a three-dimensional scene transformation matrix and a projection transformation matrix; analyzing the information to reconstruct grid three-dimensional data; based on the stereoscopic vision principle, self-adaptively retransforming the scene to two different view point positions so as to form a binocular vision stereopair for stereoscopic display, and driving the display card to carry out stereoscopic output on the binocular vision stereopair; and utilizing polarization, red-green and blinking type glasses and the like to carry out actual three-dimensional display and observation. The method can realize the actual three-dimensional scene display for the current PCI three-dimensional analysis module under the condition of not changing programs and operation modes.

The invention discloses an actual three-dimensional display method oriented to VirtualEarth, comprising: adopting implanted rendering data interception technology between calling of 3D API adopted by software and display of a display card to capture an original single-channel color signal, a depth signal, a three-dimensional scene transformation matrix and a projection transformation matrix; analyzing the information to reconstruct grid three-dimensional data; based on the stereoscopic vision principle, self-adaptively retransforming the scene to two different view point positions so as to form a binocular vision stereopair for stereoscopic display, and driving the display card to carry out stereoscopic output on the binocular vision stereopair; and utilizing polarization, red-green and blinking type glasses and the like to carry out actual three-dimensional display and observation. The method can realize the actual three-dimensional scene display for the current Virtual Earth software under the condition of not changing programs and operation modes.

The invention is suitable for the technical field of three-dimensional display, and provides a three-dimensional display method, a three-dimensional display system and a three-dimensional display device. The method comprises the following steps of: parsing an original UI (User Interface), obtaining a three-dimensional UI and a system UI, firstly, compressing the system UI according to a preset proportion in a preset direction to generate a first UI, and copying the first UI, obtaining a second UI same as the first UI, splicing the first UI with the second UI to generate a third UI, and synthesizing a UI video source according to the third UI and the three-dimensional UI. According to the method, the system and device provided by the invention, by an independent processing system UI, the three-dimensional display with same proportion of the system UI is realized, and the user experience is improved.

The invention discloses a GoCAD software-oriented implanted true three-dimensional display method: adopting implanted render data intercepting technique between 3D API invocation and display card display used by the GoCAD software, capturing original single channel color signal and depth signal, three-dimensional scene transformation matrix and projection transformation matrix; analyzing those information, refactoring rasterized three-dimensional data; adaptively transforming the scene into two different viewpoint positions to form binocular vision stereopair for providing stereoscopic display based on stereoscopic vision principle, driving the display card to carry out stereoscopic output on the binocular stereopair; carrying out true three-dimensional stereoscopic display and observation by polarization, red and green and flash-closed spectacles, etc. The invention can realize true three-dimensional stereoscopic scene display under the condition of not changing the program and operation mode of the existing GoCAD software.

The invention relates an embedded truly three-dimensional stereoscopic rendering method facing ENVI/IDL, comprising steps of using an embedded rendering data intercepting technology between ENVI/IDL adopted 3D API invocation and graphic card display to capture initial color signals and depth signals of single channel, 3D scene transformation matrix, and projection transformation matrix; analyzing the information, and reconstructing the rasterized 3Ddata; adaptively transform the scene into to two different visual points based on the principle of stereoscopic vision to form double-eye visual image pairs for stereoscopic display and drive the graphic card to stereoscopically output the double-eye visual image pairs; making use of polarization, red-green and blinking type glasses for truly three-dimensional stereoscopic display and observation. The invention is capable of displaying truly three-dimensional stereoscopic scene for current ENVI/IDL without changing programs and operation modes.

The invention discloses a large data volume IGS industrial model Polygon conversion method for a VR engine. The method comprises the following steps: 1) exporting IGS format models from CAD software;2) carrying out batch conversion on the IGS format models to obtain quadrilateral Polygon models; 3) carrying out batch optimization processing on polygonal segment numbers and vertexes of the Polygonmodels through a Polygon edge removal tool; 4) carrying out conversion on narrow facets of the models according to model conversion requirements of a virtual platform, and importing a real-time rendering engine to observe results; 5) carrying out batch UV calculation on the models without Logo textures through a UV calculation plug-in 3D-IO Flatiron according to curvature degrees of the models, and carrying out individual UV calculation on the models with the Logo textures, so that complete and unified UV information is obtained; 6) setting collision attributes and physical attributes in 3dsmax according to requirements of a virtual engine to be used; and 7) importing edited three-dimensional models into the virtual engine platform and carrying out assembly to form a VR model. The conversion method provided by the invention has the advantage that the conversion efficiency and accuracy can be improved.

The invention discloses a GeoGlobe-oriented true three-dimensional stereoscopic display method: adopting implanted render data intercepting technique between 3D API invocation and display card display used by the software, capturing original single channel color signal and depth signal, three-dimensional scene transformation matrix and projection transformation matrix; analyzing those information, refactoring rasterized three-dimensional data; adaptively transforming the scene into two different viewpoint positions to form binocular vision stereopair for providing stereoscopic display based on stereoscopic vision principle, driving the display card to carry out stereoscopic output on the binocular stereopair; carrying out true three-dimensional stereoscopic display and observation by polarization, red and green and flash-closed spectacles, etc. The invention can realize true three-dimensional stereoscopic scene display under the condition of not changing the program and operation mode of the existing GeoGlobe software.

The invention discloses a system and a method for realizing automotive driving information display. The system comprises a projector for projecting a virtual circuit indicating image, an eyeball tracking instrument for acquiring driver's eyeball position information, and an automotive windshield glass. According to the system, the human eye vision principle is adopted, and a method integrating a light reflection principle and a mirror imaging principle is used, so that the virtuality and reality combined three-dimensional display of an automotive forward driving direction indicating arrow and an actual road condition is realized; through the adoption of the method and the system, the visual effect that the indicating arrow in the automotive driving direction is fit with a driving pavement can be given to an automotive driver.

The invention relates an embedded truly three-dimensional stereoscopic rendering method facing Microstation, comprising steps of using an embedded rendering data intercepting technology between ENVI/IDL adopted 3D API invocation and graphic card display to capture initial color signals and depth signals of single channel, 3D scene transformation matrix, and projection transformation matrix; analyzing the information, and reconstructing the rasterized 3Ddata; adaptively transform the scene into to two different visual points based on the principle of stereoscopic vision to form double-eye visual image pairs for stereoscopic display and drive the graphic card to stereoscopically output the double-eye visual image pairs; making use of polarization, red-green and blinking type glasses for truly three-dimensional stereoscopic display and observation. The invention is capable of displaying truly three-dimensional stereoscopic scene for currentMicrostationwithout changing programs and operation modes.

The invention provides a three-dimensional display device with a variable slit pitch. The display device is composed of a liquid crystal display panel, a light source, a cylindrical lens grating and a multilayer polymer dispersed liquid crystal. The light source, the cylindrical lens grating and the multilayer polymer dispersed liquid crystal are used for forming a rear slit grating. The rear slit grating can project parallax images on the liquid crystal display panel to different space directions, so that viewpoints are formed. When human eyes are located at different viewpoints, corresponding parallax images can be seen, and therefore stereoscopic vision is generated. The multilayer polymer dispersed liquid crystal is composed of multiple polymer dispersed liquid crystal layers, and one polymer dispersed liquid crystal layer can be selected to be in a strong scattering state so as to control the pitch of the rear slit grating. Different grating pitches can form viewpoints at different optimal viewing distances.