409 results about "Three dimensional display" patented technology

The invention relates to the technical field of computer-generated holographic three-dimensional display and deep learning, in particular to an unsupervised deep learning method for realizing three-dimensional holographic display. The method comprises the steps of generating a depth map corresponding to a two-dimensional image; the depth image and the two-dimensional image are spliced in the channel dimension to serve as input of a hologram encoder, and a double-U-Net cascade neural network architecture serves as the hologram encoder; angular spectrum diffraction back propagation is carried out through the generated pure phase hologram to realize three-dimensional scene discretization reconstruction, a reconstructed image with a specified depth is obtained, a depth map is uniformly quantized to obtain a plurality of binary masks, loss calculation is carried out on the reconstructed image and a target image superposed with the corresponding depth binary masks, network parameter optimization is carried out, and a target image with the depth corresponding to the target image is obtained. And when the training of the double U-Net cascade neural network architecture is converged, the training stage is ended. According to the method, high-quality three-dimensional hologram reconstruction is realized through layered angular spectrum propagation, and the method has relatively high precision and detail reduction capability.

The invention relates to a naked eye 3D binocular image acquisition and real-time processing system based on hardware synchronous triggering, and belongs to the technical field of image processing and three-dimensional display. According to the system, a hardware synchronous triggering mechanism is adopted, a time sequence synchronous control unit is used for sending a synchronous pulse signal to a binocular image sensor, and strict synchronization of left and right viewpoint image acquisition is ensured. The image signal processing unit processes collected original data, the stereo parallax correction module performs epipolar correction, and the sub-pixel interleaving module generates a composite view frame according to grating parameters of the display terminal. The system realizes high-speed data transmission through a double-buffer direct memory access DMA mechanism. The problems of visual tearing and weak stereoscopic impression caused by asynchronous binocular image acquisition in the prior art are solved, nanosecond-level synchronization precision is realized, optical crosstalk is reduced, and smoothness and comfort of stereoscopic display are ensured.

The invention relates to the technical field of safety management, in particular to a city safety emergency management system design scheme based on a three-dimensional map, and the scheme comprises a facility space construction module, a risk identification module, a disaster type area identification module, a linkage early warning marking module and an avoidance path analysis module. According to the invention, risk scoring is carried out on facility node coordinates, function levels, the number of accommodated people and service radiuses in a city three-dimensional map, the risk distribution condition of each facility node is visually reflected, and the node risk levels are displayed in a three-dimensional manner by setting the identification map layer through column height, color marking and flicker frequency. Visual focusing and spatial clustering of risk nodes are realized, a commander is helped to quickly identify a high-risk area, response grading of a disaster situation interaction area is effectively refined by performing composite situation grade evaluation on a composite disaster type area and marking an early warning icon, an avoidance passage path is automatically screened and planned, and traffic congestion and secondary risks are avoided in real time.

The invention provides a display module and a display device, and the display module comprises a display panel which comprises a plurality of pixel units arranged in an array; the light control device is arranged on the light emitting side of the display panel, the light control device comprises a first regulation and control layer and a second regulation and control layer which are sequentially arranged on the display panel in a stacked mode, the first regulation and control layer comprises a first refraction layer and a second refraction layer covering the first refraction layer, the first refraction layer comprises a plurality of lenses arranged in an array mode, and the second refraction layer comprises a second refraction layer covering the second refraction layer; the orthographic projection of each lens on the display panel at least covers two pixel units, the refractive index of the first refraction layer is larger than that of the second refraction layer, when the display module is in a three-dimensional display state, liquid crystal molecules in the second regulation and control layer do not deflect, and when the display module is in a two-dimensional display state, liquid crystal molecules in the second regulation and control layer do not deflect. And the second regulation and control layer is equivalent to a plurality of lens units arranged in one-to-one correspondence with the lenses. The display module provided by the embodiment of the invention can reduce view crosstalk in a three-dimensional display state.

The invention discloses a power plant equipment visual closed-loop management system based on three-dimensional modeling, and belongs to the technical field of power plants, and the system comprises a power plant equipment collection module which is used for collecting the whole production cycle data of power plant equipment; the power plant equipment management cloud is used for processing and three-dimensionally displaying the whole production cycle data of the power plant equipment, and performing prediction analysis, early warning notification and recording management on the whole production cycle of the power plant equipment; and the user interaction management terminal is used for performing intelligent management on the whole production cycle of the power plant equipment and managing account information and authority information of a user. According to the method, the problem that the whole production cycle of the power plant equipment cannot be effectively managed based on three-dimensional visualization in the prior art, so that the whole production cycle management effect of the power plant equipment is poor is solved. According to the invention, the whole production cycle of the power plant equipment can be effectively managed based on three-dimensional visualization, so that managers can find abnormal faults and remove the faults in time, and the whole production cycle management effect of the power plant equipment can be improved.

The invention provides a design space position visualization quantifiable method suitable for bridge construction lofting, which specifically comprises the following steps: (1) Dynamo software reads a bridge floor road center line given by a design drawing, and generates a corresponding bridge based on the bridge floor road center line, comprising the following steps: sequentially generating a bridge pier corresponding to a bridge deck road center line, a support padstone at the top of the bridge pier and a bridge deck box girder falling on the support padstone; and (2) reading the bridge corresponding to the midline of the bridge floor road from the Dynamo software by the Revit software, and displaying the bridge. A Dynamo software and Revit software combined three-dimensional modeling calculation method is adopted, the Dynamo software quickly establishes piers, support cushion stones and box girders in batches under an absolute coordinate system, position coordinate calculation of important feature points on a bridge is further completed by means of the Dynamo software, and three-dimensional display is performed on the bridge constructed by the Dynamo software through the Revit software. And synchronously displaying the position coordinates of the important feature points.

The embodiment of the invention discloses a display device and a preparation method thereof, the display device comprises a display module and an imaging component, the display module comprises a display panel and a lens grating layer, and the lens grating layer comprises a lens. The width of the lens meets a first relational expression: D = 2H * tan theta ', and theta' = arcsin [(sin theta) / n0]. On the basis that one pixel unit corresponds to one lens, each pixel unit comprises a first pixel and a second pixel, and the first pixel and the second pixel are located on the two sides of the optical axis of the lens, the width of the lens is set to meet a first relational expression, and the first relational expression is larger than the second relational expression. Therefore, the risk of light crosstalk of two adjacent pixel units is reduced, the ability of the lens to allocate the first image and the second image is improved, the risk of crosstalk of the first image and the second image is further reduced, and the three-dimensional display effect is improved.

The invention provides a rapid office document arrangement method, medium and system, and belongs to the technical field of document arrangement, and the method, medium and system comprises the following steps: analyzing a mark of a document, and constructing original feature data; constructing a feature processing model; constructing a contribution degree evaluation model to analyze the contribution degree value of the layout element in the document to the document typesetting score; obtaining a contribution degree evaluation model through training; determining a layout priority level and a layout interval value according to the contribution degree value; generating a mark tree of the document; performing dimension reduction mapping on the document feature vector and mapping the document feature vector to a three-dimensional display space to generate a three-dimensional layout mapping model; according to the method, the multi-modal features of the document can be comprehensively analyzed, the contribution degree of each layout element can be predicted, the optimized document layout can be generated, the rendering efficiency can be improved, and the problem that the layout quality is difficult to guarantee at present, and the layout efficiency of the document can be improved is solved. And the rendering performance is improved.

In three-dimensional projective reverse transformation, a distance to a measured object is measured, and three-dimensional coordinate values of each point in the measured object corresponding to each of a plurality of pixels configuring an imaging sensor are calculated. In three-dimensional projective transformation, a three-dimensional shape of is a display object is set. Further, positions of a right side eye and a left side eye of a user with respect to a position of the display object are measured. A projected image or a projected movie corresponding to both eyes of the user is formed.

The invention provides a Schiff base optical switch material, the molecular structural formula of which is at least one of the following: # imgabs0. The Schiff base optical switch material has the advantages that the voxel generation and disappearance speeds are both smaller than the limit resolution of human eyes, the response speed is high, and the dynamic refreshing of a three-dimensional image can be realized. Under independent excitation of ultraviolet light or visible light, the luminous intensity of the Schiff base photoswitch material is low, the luminous intensity at the intersection point of the ultraviolet light and the visible light is high, and a formed three-dimensional image is high in brightness and high in contrast ratio. The Schiff base photoswitch material can still be stably switched on and off under multiple excitation of ultraviolet light and visible light, and is good in fatigue resistance and high in stability. The invention also provides a preparation method of the Schiff base optical switch material and a static body three-dimensional display system comprising the Schiff base optical switch material.

The invention discloses a real-time ultra-high-definition interactive naked-eye 3D display content synthesis method, which comprises the following steps of S1, firstly, modeling interactive content, such as buildings, mechanical equipment, game scenes and the like, and converting mechanical and building models and the like into a. Fbx format by means of a. Step file format in a unified manner; s2, completing model processing in professional model processing software such as 3DsMax and the like: unifying coordinate axes, and performing surface reduction on the model; and S3, building an interaction scene in the Unity 3D based on the processed model. And S4, for a scene and a model needing to be displayed, generating a virtual parallax camera equivalent to off-axis photography, and controlling the shooting parameters of the parallax camera. And S5, performing hybrid synthesis on the multi-view parallax image based on the texture bitmap, calculating large-scale pixels based on a calculation shader, and shifting a GPU idle time sequence in a Unity 3D script process, and then uniformly entering a rendering assembly line to complete rendering and synthesis of the whole scene. And S6, developing interaction input logic according to different object interaction requirements. The invention provides a calculation three-dimensional display algorithm based on a texture bitmap, ultra-high-definition naked-eye 3D display content can be synthesized in real time under Unity 3D, and a better 3D display effect can be obtained by combining technologies such as equivalent off-axis photography and the like. In addition, the invention also provides a display efficiency optimization method based on a calculation shader, so that the system can run on a lower-configuration host platform, and the problem of higher hardware requirements for real-time ultrahigh-definition naked-eye 3D display content synthesis while the interaction requirements are met is solved.

The invention provides 2D / 3D fusion display equipment, a 2D / 3D fusion display method and a 2D / 3D fusion display device, and relates to the technical field of display. The 2D / 3D fusion display equipment comprises a first display panel, a second display panel, a third display panel and a fourth display panel, the first display panel is composed of a self-luminous display device, and the self-luminous display device comprises a MicroLED; the second display panel is located on the light emitting side of the first display panel and is composed of a liquid crystal display device; the micro-lens array layer is coupled to the first surface of the light emitting side of the first display panel and is formed by arranging a plurality of micro-lenses; wherein the first display panel is divided into a plurality of control subareas, each control subarea comprises a preset number of self-luminous display devices, and each control subarea is covered by a corresponding micro lens in the micro lens array layer. According to the invention, accurate and continuous two-dimensional and three-dimensional fusion display can be realized while high resolution of two-dimensional display and space information and display brightness of three-dimensional display are maintained.

The invention discloses a deep sea preset separable laying device simulation platform. The simulation platform mainly comprises a simulation mechanical calculation module, a three-dimensional display module, a marine environment module and an external task control module. The three-dimensional display module is responsible for creating an underwater equipment simulation model and a virtual deep sea scene model, the simulation mechanical calculation module receives an external control instruction, analyzes the instruction and substitutes the instruction into a corresponding dynamic model for calculation, and after the external task control module is started, configuration parameters are manually set, so that the underwater equipment simulation model and the virtual deep sea scene model are simulated. The control unit reads the task parameters and then generates a control instruction, and instruction information is sent to the simulation mechanical calculation module. Meanwhile, the invention further discloses a specific operation method of the simulation platform. The method has the advantages of high simulation precision, customization and multi-scene rapid migration, and provides guarantee for system testing of underwater full-process task maneuverability, safety and reliability of the deep sea device.

Technologies for transitioning between two-dimensional (2D) and three-dimensional (3D) display views for video conferencing are described herein. Video conferencing applications can have multiple display views for a user participating in a video conference. In certain situations a user may want to transition from a 2D display view of the video conference to a more immersive 3D display view. These transitions can be visually jarring and create an uncomfortable user experience. The transition from a 2D display view to a 3D display view can be improved by executing the transition to a 3D display view by manipulating visual properties of a virtual camera that is employed to generate the display views.

The invention provides a three-dimensional display device and display equipment, and the three-dimensional display device comprises a display assembly which employs a plurality of pixel units for image display, and a first lens assembly which is located at one side of a light-emitting surface of the display assembly, and the first lens assembly comprises a plurality of lens units. The lens units and the pixel units are arranged in a one-to-one correspondence mode. Each lens unit comprises a first lens assembly comprising a plurality of lens units, and the first lens assembly and the pixel units of the display assembly are arranged in a one-to-one correspondence mode. Each lens unit comprises a first lens and a second lens, the design parameters of the lens units are determined or optimized according to the target angular resolution, and a plurality of refracting surfaces which are formed by the first lenses and the second lenses and are connected in series are used for carrying out primary and secondary angle adjustment on emergent light rays respectively, so that the angular resolution is effectively optimized to the target angular resolution; the direction and angle of light are accurately controlled, and the problem of crosstalk between views in the naked eye 3D display process is reduced.

The present application relates to the field of imaging effect testing, and discloses a three-dimensional imaging effect testing system and method, a device and a storage medium. The system (100) comprises: a head model (101), a binocular camera (102) provided at a binocular position of the head model (101), and a computing component (103) connected to the binocular camera (102). The binocular camera (102) is used for capturing a three-dimensional visual image (13) presented by a three-dimensional display device (104) to obtain a first left-eye image (111) and a first right-eye image (121). The computing component (103) is used for outputting imaging effect information of the three-dimensional display device (104) on the basis of the first left-eye image (111) and the first right-eye image (121). The solution can evaluate the imaging effect of the three-dimensional display device by means of objective data.

A naked-eye three-dimensional (3D) display device is provided. The naked-eye 3D display device comprises: a display component, comprising an array of display units; and a viewing angle regulator, comprising an array of microprism blocks. The microprism blocks are divided into a plurality of groups, and an angle combination of a first angle and a second angle of each of the microprism blocks is preset so that outgoing lights of the same group of microprism blocks converge into the same viewpoint, and outgoing lights of different groups of microprism blocks converge into different viewpoints. Hence, a plurality of different viewpoints are formed by setting angles of inclined surfaces of the microprism blocks, thereby seeing different 3D display effects from different viewing angles.

The invention discloses a visual training method, system and device for myopia prevention and control and correction based on a naked-eye 3D display, and a storage medium, relates to the technical field of three-dimensional image generation and display control, and comprises the field of visual training of myopia prevention and control constructed on a naked-eye 3D display interface, a first visual training area and a second sensing and integrating area, in the first visual training area, through 3D interlaced pictures and videos, fine or dynamic stereoscopic vision is stimulated, front and back intersections of sight lines are adjusted, and split vision training is carried out; in the second perception and integration area, through perception, spatial positioning, binocular coordination and deep perception training, the spatial ability and response ability of eyes are stimulated; in combination with a three-dimensional display mechanism, displaying a naked eye three-dimensional image on a display, acquiring eyeball position information by adopting a human eye tracking technology, and dynamically adjusting a three-dimensional image display area; according to the method, the visual content structured organization and three-dimensional generation cooperative control is realized, and the three-dimensional display interaction matching precision is improved.

Disclosed are a naked-eye suspended three-dimensional video display method, a device, an equipment and a storage medium. The method includes: placing a single-viewpoint video file in a preset four-dimensional coordinate system based on a preset parallax, wherein the preset four-dimensional coordinate system is generated by a three-dimensional display coordinate system and a parallax coordinate axis, and the parallax coordinate axis is established based on a multi-viewpoint parameter and the three-dimensional display coordinate system; determining multiple target viewpoints in the preset four-dimensional coordinate system according to a position of the single-viewpoint video file and the multi-viewpoint parameter; rendering the single-viewpoint video file based on each target viewpoint, and obtaining a parallax file corresponding to each target viewpoint; rendering and integrating each parallax file, and obtaining a naked-eye suspended three-dimensional video; determining grating parameters according to the naked-eye suspended three-dimensional video; and displaying the naked-eye suspended three-dimensional video.

The invention discloses a display method and electronic equipment. The method comprises the following steps: acquiring a target event, wherein the target event represents three-dimensional display of first display content in an image; determining a brightness adjustment strategy of the display screen based on the target event, wherein the brightness adjustment strategy comprises different brightness adjustment modes of the first display area and the second display area; wherein the first display area comprises first display content and second display content, the second display area comprises third display content, and the second display content and the third display content are displayed in a two-dimensional mode; and performing three-dimensional display on the first display content based on the brightness adjustment strategy.

Embodiments of the present application at least provide a method for generating a multi-viewpoint image. The method comprises: acquiring a two-dimensional image and acquiring a corresponding disparity map on the basis of the two-dimensional image; inputting the two-dimensional image and the disparity map into a neural network to obtain a three-dimensional image implicit representation, wherein the neural network comprises a compression module and an expansion module, the compression module comprises a plurality of down-sampling structures, and the expansion module comprises a plurality of up-sampling structures corresponding to the plurality of down-sampling structures; and on the basis of the three-dimensional image implicit representation, performing rendering to generate two-dimensional images and disparity maps for different viewpoints. According to the method, the neural network is used to generate the implicit representation of a three-dimensional image on the basis of the two-dimensional image and the disparity map corresponding to the two-dimensional image, and on this basis, the two-dimensional images and the disparity maps for different viewpoints are generated by means of rendering, so that a three-dimensional display device can output three-dimensional content better conforming to a real depth-of-field relationship, and thus, the method has the characteristic of flexibility and can be suitable for three-dimensional display devices with different numbers of viewpoints.

The invention discloses a two-dimensional parallax collaborative modulation three-dimensional display system and an implementation method thereof, and relates to the technical field of three-dimensional display. The system comprises a one-dimensional light control array and a display panel. The one-dimensional light control array comprises a plurality of one-dimensional light control elements which are arranged in parallel; the display panel comprises a plurality of pixel units arranged periodically, and each pixel unit comprises a plurality of sub-pixels; each pixel unit comprises sub-pixels of R, G and B channels; the same-color sub-pixels in adjacent rows in the display panel are arranged in a staggered manner, and the sub-pixels in adjacent rows in the display panel are arranged in a staggered manner; the one-dimensional light control element is obliquely arranged, and the inclination angle is matched with the arrangement direction of the sub-pixels, so that cooperative modulation of horizontal and vertical two-dimensional parallax is realized. The problem that in the prior art, it is difficult to achieve cooperative modulation of horizontal and vertical two-dimensional parallax while crosstalk is reduced is solved.

The embodiment of the invention discloses an asthenopia relieving method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a left view and a right view for naked eye three-dimensional display, wherein the left view and the right view are used for displaying a complete three-dimensional virtual object under preset space display parameters; determining spatial display parameters corresponding to the left view and the right view, wherein the spatial display parameters are used for controlling the left view and the right view to display a disordered spatial relationship of at least part of three-dimensional virtual objects conforming to human vision in a three-dimensional display space; and displaying the left view and the right view according to the space display parameters so as to display a disordered space relationship of at least part of the three-dimensional virtual objects in a naked eye three-dimensional picture corresponding to the three-dimensional display space. Therefore, the disordered spatial relationship of at least part of the three-dimensional virtual objects is displayed in the naked-eye three-dimensional picture, so that the sight distance can be adjusted when human eyes watch the three-dimensional virtual objects with the disordered spatial relationship, and eyestrain caused by the fixed sight distance is relieved.

The application discloses a high-uniform seamless splicing system and a brightness adjusting method for light field display, and belongs to the technical field of light field display. The system uses a minimum display unit modular splicing architecture to realize super-high resolution display, adopts a composite microlens array to realize axial displacement of an imaging surface, covers a gap between adjacent display units through optical expansion of a pixel matrix, and eliminates parallax faults caused by physical splicing seams. The system integrates a distributed dynamic uniform light module, collects brightness data of a display area in real time, performs brightness compensation on a low-illumination area through array light source driving control, changes a light transmittance, and regulates and controls pixel-level brightness uniformity of the system. The scheme effectively solves the problems of pixel continuity loss and adjacent dimming area light coupling in high-resolution light field reconstruction. The system is widely applicable to light field three-dimensional display, and is a scheme for improving three-dimensional display effect.

The invention provides a Schiff base material of which the molecular structural formula is at least one of the following formulas: the Schiff base material not only has the luminescence characteristic of chiral molecules, but also has the photochromic characteristic of Schiff base, can have the characteristic of intersection luminescence under co-excitation of ultraviolet light and blue-green light, and can be used in a display space of three-dimensional imaging of a static body. The Schiff base material is applied to three-dimensional display of a static body, is high in stability, good in reversibility, low in excitation light source power and low in risk, and can be prepared into devices for commercial application. The invention also provides a preparation method of the Schiff base material and a static body three-dimensional display system containing the Schiff base material.

The invention relates to the technical field of three-dimensional display, and discloses a three-dimensional display visual angle adjusting method, device and equipment, a medium and a program product, the method acts on a liquid cylindrical lens, and comprises the following steps: determining a current applied signal according to an expected visual angle range, so as to generate a driving force based on the current applied signal, enabling the liquid cylindrical lens to deform based on the driving force so as to change the curvature radius; and after the curvature radius of the liquid cylindrical lens is changed, the light beam emitted by the display is controlled to penetrate through the liquid cylindrical lens and is refracted, so that the actual visual angle range of three-dimensional display reaches the expected visual angle range. The curvature radius of the liquid cylindrical lens is changed by applying a signal, and light beams emitted by a display can be refracted at different transmission angles, so that the optimal viewing angle range of an observer is enlarged, the flexibility of a three-dimensional display viewing angle is improved, and the viewing experience is improved.

The invention provides an organic eutectic crystal with a pi-conjugate plane structure and application of the organic eutectic crystal. The molecular formula of the organic eutectic crystal is C88H104F12N8O16, the molecular weight of the organic eutectic crystal is 1757.79, and the cell parameters of the organic eutectic crystal are as follows: a is equal to 26.7952 (16), b is equal to 26.7952 (16), and c is equal to 11.9585 (11). The alpha is 90 degrees, the beta is 90 degrees, the gamma is 90 degrees, and the V is 8586.0 (13) 3. The organic eutectic crystal provided by the invention not only can meet the requirement of a blue light band CPL device by strong circular polarization emission at 468 nm, is suitable for the fields of three-dimensional display, encryption and anti-counterfeiting and the like, provides a space for regulating and controlling the light-emitting wavelength and the glum value, but also is suitable for the fields of laser frequency conversion devices, nonlinear optical sensors and the like due to the strong SHG characteristic of the eutectic crystal, and has a wide application prospect. Compared with a traditional inorganic SHG material, the organic eutectic structure has the advantages of being easy and convenient to prepare, light in weight, high in designability and the like.

The application discloses a ground penetrating radar three-dimensional imaging display method and radar. The method comprises the following steps: making the antenna move at a constant speed in a straight line, and transmitting a pulse to the ground at each distance node; receiving the pulse reflected by the ground features to form a return signal; weighting and averaging a plurality of return signals of the same ground feature at the same distance node to form a new return signal; arranging the new return signal in time sequence to form a radar scanning data matrix; performing Fourier transform on the radar scanning data matrix to obtain a frequency spectrum; performing frequency domain filtering processing on the frequency spectrum; performing inverse Fourier transform on the filtered frequency spectrum to obtain a processed radar scanning data matrix; and synthesizing the processed radar scanning data matrix to obtain a three-dimensional display of the ground features, so that the return signal corresponding to the ground features is more prominent, the calculation amount of data filtering is greatly reduced, and the speed and accuracy of the three-dimensional imaging display are improved.

Disclosed are methods of generating a visual representation of a wireless service conditions in a three-dimensional display comprising: capturing, from a wireless device, a collection of data comprising wireless service conditions; determining from the data, a latitude and longitude and determining a reference altitude based on said latitude and longitude; determining from the data, a reported altitude in a coordinate system of choice; subtracting the reference altitude from the reported altitude in the coordinate system of choice; determining an estimated above-ground elevation of the data; and displaying in a visual representation the wireless service condition within a three-dimensional graphical image.

A user interface for a vehicle presents visible information and acquires user input. The user interface includes a two-dimensional display and an optical faceplate. The two-dimensional display displays information on a display portion. The optical faceplate includes a contact surface, a three-dimensional display surface, and an optic light guide material provided between the contact surface and the three-dimensional display surface. The two-dimensional display includes a pixel arrangement. The contact surface contacts the two-dimensional display to transmit information from the pixel arrangement to the three-dimensional display surface. The three-dimensional display surface is touch sensitive. The optical faceplate is arrangeable within a cabin of the vehicle.