200 results about "Three dimensional display" patented technology

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 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.

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.

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.

A three-dimensional (3D) display device including: a display unit configured to display an image; a display driver configured to display, on the display unit, a plurality of first images based on a depth component of the image and a second image based on a planar component of the image; a first lens array including a plurality of first lens elements provided at a first pitch on a rear side of the display unit; a second lens array including a plurality of second lens elements provided at a second pitch wider than the first pitch of the plurality of first lens elements on a rear side of the first lens array; a plurality of light source assemblies respectively located on rear sides of the plurality of second lens elements and including a plurality of light sources; and a light source driver.

Embodiments of the present disclosure relate to a display method, device, equipment and medium of a three-dimensional object, wherein the method comprises: obtaining a plurality of original position information of a plurality of associated three-dimensional points in a target object model, obtaining human eye position information of a human eye, and obtaining display position information of a preset display area of a picture display device; determining a plurality of projection position information of the plurality of associated three-dimensional points on the display area of the picture display device according to the plurality of original position information, the human eye position information and the display position information; and generating and rendering a projection picture of the target object model on the display area of the picture display device according to the plurality of projection position information. Thus, the projection picture of the target object model at different angles is displayed according to the position of the human eye, the stereoscopic interaction between the position of the human eye and the display of the target object model is improved, and a low-cost picture three-dimensional display effect is achieved without adding external auxiliary equipment.

This electronic device may comprise: a memory comprising at least one storage medium for storing instructions; and at least one processor comprising a processing circuit. The at least one processor is configured to: acquire a request for three-dimensional (3D) display in a state of having a connection to a plurality of display devices including a 3D display device supporting 3D display; on the basis of the acquired request for 3D display, obtain image data in a 3D format on the basis of multi-display mode information indicating that the plurality of display devices are in a multi-display mode; and transmit, to the 3D display device among the plurality of display devices, an image signal including the image data enabling the 3D display device to display a 3D image corresponding to the image data, wherein the multi-display mode is one among a display duplication mode and a display expansion mode.

The invention provides a display device. In response to the display panel, the display panel is configured to work in a two-dimensional display mode, and the refractive indexes of the two branches in each sub-pixel are the same; the display panel is configured to work in a three-dimensional display mode in response to the display panel, the two subsections of the same sub-pixel have different refractive indexes, and in the same basic pixel unit, the subsections corresponding in position in all the sub-pixels have the same refractive index. And in the 2D mode, the two subsections of the sub-pixels are combined for single-pixel display. And in the 3D mode, the two branch light rays of the sub-pixels are refracted to different directions to form parallax. And meanwhile, the number of the sub-pixels in each basic pixel unit is fixed, so that stable viewpoint resolution is ensured, and the viewpoint resolution of 3D display can be improved.

The invention relates to a method and a system (10) for displaying a viewing direction-dependent view for a predetermined location. The predetermined location, including its surroundings, is captured from one or more viewing directions (15), with or without one or more objects (12) at the location. One or more objects (12) at the predetermined location are then obscured by a three-dimensional display device (20). Based on the images captured in the preparation phase (200), a display model is calculated. This model allows the predetermined location, including its surroundings, to be displayed using the light-activated elements (22) of the display device (20) for each of the one or more predetermined viewing directions (15) or for each viewing direction (15) within the one or more predetermined solid angles. In the absence of one or more objects (12), the location can be displayed from the respective viewing direction (15). In an application phase (206) a momentary viewing direction (15) is determined, a representation of the predetermined location together with its surroundings in the absence of one or more objects (12) is determined from the momentary viewing direction (15) by means of the display model and is displayed by means of the light-active elements (22) of the display device (20) in relation to the momentary viewing direction.

The application discloses a display control method of three-dimensional scene data and related devices. The method comprises the following steps: obtaining a three-dimensional display instruction in a three-dimensional display device, indicating that three-dimensional scene data of an application program in the three-dimensional display device needs three-dimensional display; collecting screen collection content of the three-dimensional scene data from a global screen angle of the three-dimensional display device; analyzing a content format of the screen collection content to obtain a first content format; when the first content format is a left-right side-by-side format, i.e., a content format in which content for a left eye and content for a right eye are presented side by side, the three-dimensional display device calls a three-dimensional display module of the three-dimensional display device, and realizes three-dimensional display based on the screen collection content to obtain a three-dimensional display result. That is, the three-dimensional display device itself realizes three-dimensional display of screen collection content of three-dimensional scene data of an application program collected by the three-dimensional display device.

A three-dimensional display device includes: a first image display that outputs linearly polarized first image light; a second image display that outputs linearly polarized second image light; a first retardation plate that modulates and converts the first image light output from the first image display to first elliptically polarized light; a second retardation plate that modulates and converts the second image light output from the second image display to second elliptically polarized light that rotates in a direction identical to a rotation direction of the first elliptically polarized light; and a half mirror that transmits the first elliptically polarized light, converts the first elliptically polarized light to first circularly polarized light that rotates in a direction identical to the rotation direction of the first elliptically polarized light, reflects the second elliptically polarized light, and converts the second elliptically polarized light to second circularly polarized light that rotates in a direction opposite the rotation direction of the second elliptically polarized light.

The present application relates to the field of computational imaging and three-dimensional display, specifically to a multi-domain voxel reconstruction three-dimensional display method and device, comprising the following steps: S1: voxel layer feature extraction and convolution reconstruction: using convolutional neural network to extract features and repair structure of input voxel layer; S2: voxel layer fusion based on learning weight: through learning weight distribution and edge compensation mechanism, realizing natural interlayer transition and structure enhancement; S3: in focus direction, perception fusion weight modeling: according to observation focus depth and depth difference of each voxel layer, automatically distributing fusion weight, making focusing layer clear and defocusing layer smooth attenuation, thereby strengthening spatial stereoscopic effect; S4: multi-domain fusion and adaptive compensation output: in the fusion stage, introducing depth residual term and spatial consistency constraint, realizing cross-layer smooth transition and overall brightness self-balancing.

This application provides a display device and a three-dimensional image display method. The display device includes a backlight module, a display panel, an electrically controlled phase delay device, and a time-division multiplexing control circuit. The time-division multiplexing control circuit is configured to control the display panel to alternately display left-eye parallax images and right-eye parallax images at a preset frequency, and is configured to synchronously control the electrically controlled phase delay device to switch between a first phase delay state and a second phase delay state. This causes the electrically controlled phase delay device to generate a quarter-wavelength positive phase delay in the first phase delay state and a quarter-wavelength negative phase delay in the second phase delay state, thereby converting the linearly polarized light output from the display panel into circularly polarized light with opposite rotation, achieving precise separation of the left and right eye images. The technical solution of this application reduces crosstalk between the left and right eye images and improves the resolution and clarity of the three-dimensional display.

The invention provides a Schiff base photoswitch material. The chemical structural formula of the Schiff base photoswitch material is shown in the specification, wherein n is an integer from 5 to 15. The Schiff base optical switch material can have the characteristic of intersection point luminescence under common excitation of purple light and blue light, and can be used in a display space of volume three-dimensional imaging. The Schiff base optical switch material is applied to volume three-dimensional display, is high in transparency and good in stability and reversibility, and can be applied to the fields of two-dimensional, multi-security anti-counterfeiting, three-dimensional data storage and the like as a quick-response optical switch material. The invention also provides a preparation method of the Schiff base optical switch material and a volume three-dimensional display system comprising the Schiff base optical switch material.

A three-dimensional (3D) display device may comprise a display panel including a plurality of subpixels, a variable focus lens positioned in a front position of the display panel, an optical lens positioned in a front position of the variable focus lens, a gaze detector detecting a gaze of a user positioned in the front position of the display panel to generate a gaze detection signal, an object controller generating an object information signal for an object displayed on the display panel, and a focus control circuit controlling a focus of the variable focus lens based on an emission control signal, the gaze detection signal, and the object information signal.

This invention relates to the field of image processing technology, specifically disclosing an AI-based 3D reconstruction method for human organ tissue slices. The method includes: acquiring a sequence of consecutive slice images and preprocessing them to generate a tissue foreground mask; using previously registered slices as references, estimating the homography matrix through a feature matching neural network and transforming it to obtain candidate registration results; calculating the pixel correlation between the candidate and the reference foreground mask, retaining those not less than a threshold and taking the largest to form a registration slice sequence; semantically segmenting the registration sequence to obtain a target structure mask sequence, and stacking it in voxels according to the interlayer spacing to output the 3D reconstruction result. By using multi-reference registration based on foreground correlation for optimal selection, the accumulation of misregistration is suppressed, and the alignment stability is improved; post-registration segmentation and voxel stacking realize multi-structure 3D reconstruction and sub-structure display. This method enhances registration reliability and supports multi-label 3D display.

Provided in the embodiments of the present disclosure are an autostereoscopic three-dimensional display apparatus and display method, and a terminal device. The autostereoscopic three-dimensional display apparatus comprises: a screen, wherein a pixel unit of the screen comprises sub-pixels in a row direction and sub-pixels in a column direction, each sub-pixel comprises three primary colors, the arrangement order of the three primary colors differs from row to row and from column to column, and the arrangement order of the three primary colors in one row is the same as that in a corresponding column; and a dual-layer liquid crystal lens, which comprises a first liquid crystal lens and a second liquid crystal lens that are stacked, wherein the operating state of the first liquid crystal lens and / or the second liquid crystal lens is switched on the basis of whether the screen is in a landscape state or a portrait state, such that the autostereoscopic three-dimensional display apparatus displays a three-dimensional image in either the landscape state or the portrait state.

This invention discloses a method, device, and medium for detecting 3D display modules. The method includes the following steps: transferring the 3D display module to a platform and powering it on; measuring and photographing the illuminance of the 3D display module through a measuring lens to obtain an illumination image; analyzing the illumination image to determine whether the 3D display patch is incorrectly pasted; if incorrectly pasted, identifying the first incorrectly pasted 3D display patch; positioning the 3D display module through a positioning lens and photographing it to obtain a positioning image; calculating the coordinates of the first 3D display patch based on the positioning image; and controlling a marking mechanism to mark the first 3D display patch based on the coordinates. This invention can automatically detect 3D display modules, accurately identify and mark incorrectly pasted 3D display patches, eliminating the need for manual inspection. It not only effectively improves detection efficiency and accuracy but also significantly increases the yield of 3D display modules and reduces production costs.

A three-dimensional display device includes a first display module to form a first floating image and a second display module to form a second floating image, and the first floating image and the second floating image partially overlap. A trompe l'oeil effect of the first floating image and the second floating image being fused to form a three-dimensional image is generated when viewed by human eyes, and three-dimensional displays can be realized.

A three-dimensional (3D) display monitor is disclosed, featuring an integrated processing chip designed to enhance real-time rendering and reduce system latency. The chip receives raw 3D image data and face tracking images, performs real-time face tracking and pixel mapping, and outputs the mapped image for display. The chip may receive direct eye center position data, bypassing face tracking images. The monitor includes functionalities including touch panel feedback, hand tracking, and automatic detection of 2D or 3D content, enabling seamless mode switching. Furthermore, the chip can convert 2D content to 3D content in real-time using a neural processing unit.

Systems and methods are described for mirroring content from a 2D display device to a 3D display device. Techniques are provided that include receiving information identifying a virtual 3D object and a first scale information, where the virtual 3D object is displayed on a 2D display device to a user using the first scale information. A second scale is then determined based on the first scale information, and a 3D representation of the virtual 3D object is displayed on a 3D display device using the second scale. Provided techniques further include receiving information identifying a first orientation information, where the virtual 3D object is further displayed using the first orientation information. A second orientation based on the first orientation information and based on a received user's location relative to the 3D display device is determined, and the 3D representation is further displayed using the second orientation.

The invention provides a three-dimensional display device and a display method. The three-dimensional display device comprises an eyeball tracking device, a processor and a display. The eyeball tracking device tracks a left eye position and a right eye position. The processor calculates a plurality of left-eye viewpoints and a plurality of right-eye viewpoints according to the left-eye position and the right-eye position, and generates a plurality of views. The display comprises a plurality of light emitting units and a plurality of light splitting units. The plurality of light emitting units emit a plurality of light beams. The plurality of light splitting units distribute a plurality of beams of light emitted by the plurality of light emitting units. The processor calculates the field angles and the optical paths of the plurality of light beams emitted by the plurality of light emitting units penetrating through the plurality of light splitting units so as to generate viewpoints through which the plurality of light beams pass. The processor performs light intensity comparison post-processing on views corresponding to at least one of the plurality of left eye viewpoints and at least one of the plurality of right eye viewpoints. The three-dimensional display device and the display method disclosed by the invention can provide a good three-dimensional image display method.

Disclosed herein is a three-dimensional (3D) display apparatus and method based on a low-coherence light source. The 3D display apparatus based on a low-coherence light source may include a first modulation panel for generating and displaying two-dimensional (2D) amplitude information using a self-emissive low-coherence light source and a second modulation panel for converting the 2D amplitude information of the first modulation panel into voxels in a 3D space by modulating the 2D amplitude information into phase information.

The application provides a robot process debugging system and method based on three-dimensional visualization, and relates to the technical field of robot processing debugging, and comprises the following steps: a data processing module is used for acquiring saved workstation data and robot data in a robot workstation, and extracting robot trajectory point data and process parameters from the robot data; a three-dimensional display module is used for establishing a virtual workstation model containing a virtual robot model according to the workstation data and the robot data, and establishing a virtual processing trajectory of the virtual robot model according to the trajectory point data and the process parameters; and a debugging module is used for debugging process parameters to obtain process debugging parameters according to externally input debugging instructions, and the three-dimensional display module synchronously displays the adjustment of the virtual processing trajectory according to the process debugging parameters. The beneficial effect is to provide a three-dimensional visual interactive interface, reduce the operation complexity, improve the process debugging efficiency, improve the interactive experience, and make the process debugging more convenient.

The application discloses a dual-frequency excitation up-conversion luminescence glass ceramic, a preparation method thereof and a three-dimensional display device. The dual-frequency excitation up-conversion luminescence glass ceramic comprises 40-80 mol parts of TeO2, 10-40 mol parts of ZnO, 5-60 mol parts of GeO2, 0.01-5 mol parts of ErF3 and 0.1-10 mol parts of CaF2. The dual-frequency excitation up-conversion luminescence glass ceramic can generate high-brightness and high-contrast green light under the common excitation of near-infrared light of two different wavelengths of 850 nm and 1550 nm, and has high luminescence efficiency, and can be widely applied in the fields of three-dimensional display, solar cell, optical switch and laser.

A simulation device according to one aspect of the present disclosure comprises a storage unit for storing a three-dimensional model relating to a workpiece to be hardened; a receiving unit for receiving user input for specifying a hardening area and a target value for a hardening depth of the three-dimensional model of the workpiece; a unit for generating three-dimensional display models in order to create a three-dimensional display model from the three-dimensional model of the workpiece in which the hardening area is represented in a mode corresponding to the target value of the hardening depth; and a display unit for displaying the generated three-dimensional display model.

The utility model relates to an LED display device, and particularly discloses a modularized three-dimensional LED display splicing device which comprises a plurality of display modules and an adjustable support device. Wherein neodymium iron boron magnets are embedded into the splicing surfaces of the display modules to realize magnetic attraction pre-positioning, and fixing pins are arranged for reinforcement; a control device and a detachable fixing base are integrated on the back of the module, and the fixing base comprises a spherical hinge opening used for being connected with the support and conducting a power source and a signal line. The adjustable support device comprises a base, a longitudinal support and a telescopic transverse support, a ball head is arranged at the front end of the transverse support and matched with a ball hinge opening of the display module fixing base to achieve vertical rotation, and the base is provided with a limiting device and can fix the display device in a multi-angle mode. The hollow design of the bracket hides the flat cable and prevents the cable from being exposed. By means of magnetic attraction positioning, mechanical reinforcement and multi-gear angle adjustment, quick installation and stable operation of display devices in various forms such as planes, curved surfaces and three-dimensional display devices are achieved, and the display device is suitable for scenes such as advertisements, stages and exhibitions.

A vehicle lighting system is described, comprising a control unit, a display for showing information on a display section, and at least one optical aperture. The display includes a light-emitting unit with a plurality of light sources. Each optical aperture comprises a contact surface, a three-dimensional display surface with multiple display sections for showing information, and an optical light guide material provided between the contact surface and the three-dimensional display surface. The contact surface faces the display and is configured to transmit information from the light-emitting unit to the three-dimensional display surface. The control unit is configured to selectively display the information on one or more of the display sections of the at least one optical aperture, depending on an input signal received by the control unit.