CN112435558A - Holographic 3D intelligent interactive digital virtual sand table and interactive method thereof - Google Patents
Holographic 3D intelligent interactive digital virtual sand table and interactive method thereof Download PDFInfo
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- CN112435558A CN112435558A CN202011251311.7A CN202011251311A CN112435558A CN 112435558 A CN112435558 A CN 112435558A CN 202011251311 A CN202011251311 A CN 202011251311A CN 112435558 A CN112435558 A CN 112435558A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/006—Mixed reality
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Abstract
The invention discloses a holographic 3D intelligent interactive digital virtual sand table and an interactive method thereof.A mounting seat of a supporting assembly is connected with a base through a lifting rod, a decorating part is connected with the base, a 3D display screen and 3D glasses are mounted on the decorating part, a first motor of an optical positioning assembly is provided with a support, a rotating rod is rotatably connected with the support and is connected with a movable capturing camera, a 3D engine platform and an operation control circuit are positioned in the base, and an interactive assembly is placed on the decorating part. The user wears 3D glasses, show the sand table model through the 3D display screen, move and catch the camera and fix a position the user, 3D engine platform adopts tracking algorithm to track viewer's position in order to acquire visual angle information in real time, the automatic mapping space relation of operation control circuit after calculating arrives 3D glasses and 3D display screen, can realize that the whole scene removes the visual angle and watches, interactive assembly allows the user to give an instruction, thereby can remove the sand table model, control operation such as rotation, make watch more directly perceived, it is true.
Description
Technical Field
The invention relates to the field of sand table equipment, in particular to a holographic 3D intelligent interactive digital virtual sand table and an interactive method thereof.
Background
The sand table is a model piled up by silt, military chess and other materials according to the reality and a certain proportion relation. The real situation can be displayed more accurately.
The existing sand table is complex in manufacturing process and weak in actual expressive force, so that visual information of various first visual angles in the sand table cannot be intuitively sensed.
Disclosure of Invention
The invention aims to provide a holographic 3D intelligent interactive digital virtual sand table and an interactive method thereof, and aims to solve the problems of single display effect and weak expressive ability of the existing sand table.
In order to achieve the above object, in a first aspect, the present invention provides a holographic 3D intelligent interactive digital virtual sand table, which includes a support component, a 3D display screen, 3D glasses, an optical positioning component, a 3D engine platform, an arithmetic control circuit and an interactive component, wherein the support component includes a decoration, a lifting rod, a base and a mounting seat, the decoration is fixedly connected to the base and is located at one side of the base, the decoration has a plurality of grooves, the grooves are distributed around the decoration, the lifting rod is slidably connected to the mounting base and is located in the base, the mounting seat is fixedly connected to the lifting rod and is located at one side of the lifting rod, the optical positioning component includes a dynamic capture camera, a bracket, a rotating rod and a first motor, the first motor is fixedly connected to the decoration and is located in the grooves, the optical positioning components are arranged in a plurality of grooves, the support is fixedly connected with a rotating shaft of the first motor and is positioned on one side of the first motor, the rotating rod is rotatably connected with the support and is positioned on one side of the support, the movable capture camera is fixedly connected with the rotating rod and is positioned on one side of the support, the 3D display screen is fixedly connected with the mounting seat and is positioned on one side of the mounting seat far away from the base, the 3D glasses are detachably connected with the decorating part and are positioned on one side of the decorating part, the 3D engine platform and the operation control circuit are electrically connected with the 3D display screen and are positioned in the base, and the interaction components are detachably connected with the decorating part and are positioned on one side of the decorating part.
The supporting component further comprises a plurality of lamp decorations, the base is provided with an annular groove, and the lamp decorations are fixedly connected with the base and located in the annular groove.
The support assembly further comprises a spectacle frame and a magnet block, the spectacle frame is fixedly connected with the decorating part and located on one side of the decorating part, and the magnet block is fixedly connected with the spectacle frame and located on one side of the spectacle frame.
The 3D display screen comprises a display screen body and a backlight plate, wherein the backlight plate is fixedly connected with the mounting seat and is positioned between the display screen body and the mounting seat.
Wherein, the 3D glasses include drive unit, first liquid crystal display, gasket, second liquid crystal display, shell and lens, first liquid crystal display with drive unit fixed connection, and be located one side of drive unit, the second liquid crystal display with first liquid crystal display fixed connection, and be located first liquid crystal display keeps away from one side of drive unit, the gasket with second liquid crystal display fixed connection, and be located first liquid crystal display with between the second liquid crystal display, the shell with second liquid crystal display fixed connection, and be located the second liquid crystal display keeps away from one side of gasket, lens with shell fixed connection, and be located in the shell.
In a second aspect, the invention further provides an interaction method of the holographic 3D intelligent interactive digital virtual sand table, which includes: manufacturing a sand table model; displaying the sand table model; positioning the eyes of a viewer to acquire visual angle information of a viewpoint; automatically mapping the spatial relationship to realize holographic 3D display; tracking the movement of the viewpoint in real time, and synchronizing data to the 3D engine platform; and controlling the sand table model.
The specific steps of positioning the positions of the eyes of the viewer and acquiring the viewpoint and visual angle information are as follows: acquiring a mark point of the 3D glasses; a plurality of capture cameras taking pictures of the viewer; uploading the photos to a 3D engine platform; perspective information is acquired based on the plurality of photographs and the captured camera position.
The method for realizing the holographic 3D display by automatically mapping the spatial relationship comprises the following specific steps of: uploading the mark points and the visual angle information to a scene rendering 3D engine platform; rendering the 3D video signal in real time based on the mark points and the visual angle information; outputting the 3D synchronization signal to 3D glasses; the 3D video signal is transmitted to a 3D display screen.
The specific steps of controlling the sand table model are as follows: acquiring an initial position and an inclination angle of a transmitting line; calculating the position of a drop point from a transmitting line to a display screen; and performing man-machine interaction based on the operation.
Wherein the operation comprises clicking, dragging, zooming in and zooming out.
The invention relates to a holographic 3D intelligent interactive digital virtual sand table and an interactive method thereof, wherein a user wears 3D glasses, a sand table model is displayed through a 3D display screen, a dynamic capture camera positions the user and acquires visual angle information of a viewer, a 3D engine platform adopts a tracking algorithm and tracks the position of the viewer based on continuous photographing so as to continuously acquire the visual angle information of the viewer in real time, then the visual angle information is transmitted to an operation control circuit for calculation and automatically maps the spatial relation to the 3D glasses and the 3D display screen, so that the moving visual angle viewing of a full scene can be realized, and an interactive component allows the user to send instructions in various modes such as a handle, a gesture and the like so as to move, rotate and the like the sand table model and enable the viewing to be more intuitive, the method is real, different types of watching modes can be realized by replacing different sand table models, and therefore the problems that the existing sand table is single in display and not strong in expressive ability are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural diagram of an upper protective cover of a holographic 3D intelligent interactive digital virtual sand table according to the present invention;
FIG. 2 is a structural diagram of a holographic 3D intelligent interactive digital virtual sand table of the present invention with the upper protective cover removed;
FIG. 3 is a schematic cross-sectional view of FIG. 1;
FIG. 4 is a partial enlarged view A of FIG. 3;
FIG. 5 is a block diagram of the 3D glasses of the present invention;
FIG. 6 is a flow chart of an interaction method of a holographic 3D intelligent interactive digital virtual sand table of the present invention;
FIG. 7 is a flow chart of the present invention for locating the position of the viewer's eyes and obtaining viewing angle information for the viewpoint;
FIG. 8 is a flow chart of the present invention for implementing holographic 3D display with automatic mapping of spatial relationships;
FIG. 9 is a flow chart of the present invention controlling a sand table model;
FIG. 10 is an operational schematic diagram of an interaction method of the holographic 3D intelligent interactive digital virtual sand table according to the present invention.
1-supporting component, 2-3D glasses, 3-3D display screen, 4-optical positioning component, 5-3D engine platform, 6-operation control circuit, 7-interactive component, 8-upper protecting cover, 11-decorative component, 12-lifting rod, 13-mounting seat, 15-glasses frame, 16-magnet block, 17-base and 18-lamp decoration, 21-driving unit, 22-first liquid crystal display, 23-gasket, 24-second liquid crystal display, 25-shell, 26-lens, 31-display body, 32-backlight plate, 41-motion capture camera, 42-bracket, 43-rotating rod, 44-first motor, 45-dial, 111-groove and 171-annular groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 to 4, in a first aspect, the present invention provides a holographic 3D intelligent interactive digital virtual sand table: the optical positioning device comprises a supporting component 1, a 3D display screen 3, 3D glasses 2, an optical positioning component 4, a 3D engine platform 5, an operation control circuit 6 and an interaction component 7, wherein the supporting component 1 comprises a decoration 11, a lifting rod 12, a base 17 and a mounting seat 13, the decoration 11 is fixedly connected with the base 17 and is positioned on one side of the base 17, the decoration 11 is provided with a plurality of grooves 111, the grooves 111 are distributed around the decoration 11, the lifting rod 12 is slidably connected with the base 17 and is positioned in the base 17, the mounting seat 13 is fixedly connected with the lifting rod 12 and is positioned on one side of the lifting rod 12, the optical positioning component 4 comprises a movable camera 41, a support 42, a rotating rod 43 and a first motor 44, the first motor 44 is fixedly connected with the decoration 11 and is positioned in the grooves 111, the bracket 42 is fixedly connected with a rotating shaft of the first motor 44 and is positioned at one side of the first motor 44, the rotating rod 43 is rotatably connected with the bracket 42 and is positioned at one side of the bracket 42, the moving capture camera 41 is fixedly connected with the rotating rod 43 and is positioned at one side of the bracket 42, a plurality of optical positioning components 4 are arranged, the optical positioning components 4 are respectively positioned in the grooves 111, the 3D display screen 3 is fixedly connected with the mounting base 13 and is positioned at one side of the mounting base 13 far away from the base 17, the 3D glasses 2 are detachably connected with the decoration 11 and are positioned at one side of the decoration 11, the 3D engine platform 5 and the arithmetic control circuit 6 are electrically connected with the 3D display screen 3 and are positioned in the base 17, the interactive component 7 is detachably connected with the decoration 11, and is located at one side of the decoration 11.
In this embodiment, the support assembly 1 includes a decoration 11, a lifting rod 12, a base 17 and a mounting seat 13, the decoration 11 has a plurality of grooves 111, the grooves 111 are distributed around the decoration 11, the lifting rod 12 is slidably connected to the base 17 and is located in the base 17, the mounting seat 13 is fixedly connected to the lifting rod 12 and is located at one side of the lifting rod 12, and the bottom of the lifting rod 12 is connected to an air cylinder, so that the mounting seat 13 can slide up and down under the support of the lifting rod 12; the optical positioning assembly 4 comprises a movable camera 41, a bracket 42, a rotating rod 43 and a first motor 44, wherein the first motor 44 is fixedly connected with the decoration 11 and is located in the groove 111, the bracket 42 is fixedly connected with a rotating shaft of the first motor 44 and is located on one side of the first motor 44, so that the first motor 44 can drive the bracket 42 to rotate, the rotating rod 43 is rotatably connected with the bracket 42 and is located on one side of the bracket 42, the movable camera 41 is fixedly connected with the rotating rod 43 and is located on one side of the bracket 42, the first motor 44 can drive the bracket 42 to further rotate the movable camera 41 to horizontally adjust the position, a plurality of optical positioning assemblies 4 can be arranged by rotating the rotating rod 43 to adjust the inclination angle of the movable camera 41, the plurality of optical positioning assemblies 4 are respectively located in the plurality of grooves 111, the plurality of motion capture cameras 41 can capture a plurality of users at the same time, so that a plurality of users can use the motion capture cameras at the same time, the 3D display screen 3 is fixedly connected with the mounting seat 13 and is positioned on one side of the mounting seat 13 far away from the base 17, and 3D images can be displayed through the 3D display screen 3, so that a sand table can be displayed; 3D glasses 2 with the connection can be dismantled to decoration 11, and be located one side of decoration 11, the user can take off 3D glasses 2, through 3D glasses 2 is right 3D display screen 3 watches, thereby obtains the 3D sand table model. The 3D engine platform 5 and the operation control circuit 6 are electrically connected with the 3D display screen 3 and are positioned in the base 17, the interactive component 7 is detachably connected with the decoration 11 and is positioned at one side of the decoration 11, the 3D engine platform 5 is used for storing pictures received by the movable capture camera 41 and calculating to obtain visual angle information, the operation control circuit 6 is used for calculating based on the visual angle information and automatically mapping the space relation to the 3D glasses 2 and the 3D display screen 3, so that the moving visual angle viewing of a full scene can be realized, the interactive component 7 allows a user to send instructions by adopting various modes such as a handle, a gesture and the like, so that the sand table model can be moved and rotated and the like, the viewing is more visual and real, and different types of viewing modes can be realized by replacing different sand table models, therefore, the problems that the existing sand table is single in display and not strong in expressive ability are solved. When not in use, an upper protective cover 8 may be provided to protect the device.
Further, the support component 1 further comprises a lamp 18, the base is provided with an annular groove 171, and the lamp 18 is fixedly connected with the base 17 and is located in the annular groove 171.
In this embodiment, blue light is arranged in the annular groove 171 of the base, so that the aesthetic effect can be increased.
Further, the support assembly 1 further includes a frame 15 and a magnet block 16, the frame 15 is fixedly connected to the decoration 11 and is located on one side of the decoration 11, and the magnet block 16 is fixedly connected to the frame 15 and is located on one side of the frame 15.
In the present embodiment, the 3D glasses 2 may be placed on the glasses frame 15 when a user does not put the glasses on the glasses frame 15, and then may be adsorbed by the magnet 16 provided on the glasses frame 15, so as to be stable and easily taken out.
Further, the 3D display screen 3 includes a display screen body 31 and a backlight plate 32, the backlight plate 32 is fixedly connected to the mounting base 13, and is located between the display screen body 31 and the mounting base 13.
In this embodiment, the display screen body 31 can adopt the mode realization of LED screen, 3D hairpin and left right format 3D video signal source to can play 3D video signal, the board that is shaded 32 set up in one side of display screen body 31 has the ambient light sensor and can detect the surrounding environment, thereby adjusts backlight brightness according to ambient light, makes also can normally watch under the dark surrounds.
Further, the 3D glasses 2 include a driving unit 21, a first liquid crystal display 22, a gasket 23, a second liquid crystal display 24, a housing 25, and a lens 26, the first liquid crystal display 22 is fixedly connected to the driving unit 21, and is located at one side of the driving unit 21, the second liquid crystal display 24 is fixedly connected with the first liquid crystal display 22, and is located on one side of the first liquid crystal display 22 away from the driving unit 21, the gasket 23 is fixedly connected with the second liquid crystal display 24, and is located between the first liquid crystal display 22 and the second liquid crystal display 24, the housing 25 is fixedly connected with the second liquid crystal display 24, and is located on a side of the second liquid crystal display 24 remote from the gasket 23, and the lens 26 is fixedly connected with the housing 25 and is located in the housing 25.
In the present embodiment, the driving unit 21 is configured to convert a 3D synchronization signal, perform display through the first liquid crystal display 22 and the second glasses display, and perform optical processing through the lens 26, so that a 3D image can be displayed.
Further, the optical positioning assembly 4 further includes a dial 45, wherein the dial 45 is fixedly connected to the bracket 42 and is located on a side of the bracket 42 close to the rotating rod 43.
In the present embodiment, the dial 45 is provided at one side of the bracket 42, so that the angle of the motion capture camera 41 can be adjusted more accurately by rotating the rotating lever 43.
In a second aspect, referring to fig. 5, the present invention further provides an interaction method for a holographic 3D intelligent interactive digital virtual sand table, including:
s101, manufacturing a sand table model;
different sand table models can be manufactured according to different application scenes, such as urban sand tables at building sales departments or mechanical disassembly and assembly models in teaching and training.
S102, displaying the sand table model;
and displaying the sand table model through the 3D display screen 3.
S103, positioning the eye position of a viewer, and acquiring visual angle information of a viewpoint;
referring to fig. 6, the specific steps are:
s201, acquiring mark points of the 3D glasses 2;
the gyroscope sensor is arranged on the 3D glasses 2, so that the moving position can be detected, and the mark point of the current position can be obtained.
S202, a plurality of capturing cameras take pictures of the viewer;
the viewer is continuously photographed by each capture camera,
s203, uploading the photos to the 3D engine platform 5;
s204 acquires perspective information based on the plurality of photographs and the capture camera position.
The 3D engine platform 5 can process the photos, and then the change of the view angle can be acquired.
S104, automatically mapping the spatial relationship to realize holographic 3D display;
referring to fig. 7, the specific steps are:
s301, uploading the mark points and the visual angle information to a scene rendering 3D engine platform;
after the mark points and the visual angle information are acquired, the scene rendering 3D engine platform 5 can be uploaded and then video rendering related processing is performed.
S302, rendering the 3D video signal in real time based on the mark points and the visual angle information;
s303 outputs the 3D synchronization signal to the 3D glasses 2;
so that data processing can be performed for the current view to acquire a 3D image of the current view.
S304 transmits the 3D video signal to the 3D display screen 3.
Through changing the video signal, can adjust the content of 3D display screen 3 to can take place corresponding change according to people's visual angle in real time, make and watch more really.
S105, tracking the movement of the viewpoint in real time, and synchronizing data to the 3D engine platform 5;
by processing a group of photos, the movement track of the user can be recorded, and then tracking can be carried out based on the photos.
S106, controlling the sand table model.
Referring to fig. 8, the specific steps are:
s401, acquiring an initial position and an inclination angle of a transmitting line;
a gyroscope sensor is arranged in the handle, and the inclination angle can be detected.
S402, calculating the position of a drop point of a transmitting line to a display screen;
the position of the transmission line onto the 3D display screen 3 can be calculated so that the corresponding position area can be operated.
And S403, performing human-computer interaction based on the operation.
The operations include clicking, dragging, zooming in, and zooming out. When the handle rays aim at the interactive objects in the sand table, the trigger of single interactive logic can be realized by pressing the interactive key; when the handle rays aim at a draggable object in the sand table, the interaction key is pressed, so that the object can be dragged; when the handle ray is in the state of dragging the object, the rocker on the handle is used for operating upwards/downwards, and the object can be controlled to be enlarged/reduced.
Referring to fig. 9, when a viewer experiences wearing 3D glasses with marked points: the method comprises the steps that a plurality of dynamic capture cameras continuously shoot live images for calculating position information of mark points, then real-time position tracking data are sent to a holographic scene rendering server through a position tracking system server program, the holographic scene rendering server can perform distortion calculation and real-time rendering on a manufactured 3D model according to the position tracking data to generate a 3D format video source, then the 3D video source is sent to a 3D video processing system, the 3D video processing system can display the 3D video source in a 3D mode, and meanwhile a 3D synchronizing signal is sent to a 3D signal synchronizer. At this time, the 3D glasses of the viewer receive the 3D synchronization signal sent by the 3D signal synchronizer, so that the viewer can correctly see the 3D picture on the display screen. The mark points are attached to the 3D eyes, and after a real-time 3D picture is seen, the user can capture the position information of the glasses moving in the real space by the passive capture camera, so that the picture seen by the user can be updated in real time, and the experience is better.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A holographic 3D intelligent interactive digital virtual sand table is characterized in that,
the optical positioning device comprises a supporting component, a 3D display screen, 3D glasses, an optical positioning component, a 3D engine platform, an operation control circuit and an interaction component, wherein the supporting component comprises a decoration part, a lifting rod, a base and a mounting seat, the decoration part is fixedly connected with the base and positioned on one side of the base, the decoration part is provided with a plurality of grooves, the grooves are distributed around the decoration part, the lifting rod is slidably connected with the mounting base and positioned in the base, the mounting seat is fixedly connected with the lifting rod and positioned on one side of the lifting rod, the optical positioning component comprises a movable camera, a support, a rotating rod and a first motor, the first motor is fixedly connected with the decoration part and positioned in the grooves, the number of the optical positioning components is multiple, and the optical positioning components are respectively positioned in the grooves, the support is fixedly connected with a rotating shaft of the first motor and is positioned on one side of the first motor, the rotating rod is rotatably connected with the support and is positioned on one side of the support, the movable capturing camera is fixedly connected with the rotating rod and is positioned on one side of the support, the 3D display screen is fixedly connected with the mounting seat and is positioned on one side of the mounting seat far away from the base, the 3D glasses are detachably connected with the decorating part and are positioned on one side of the decorating part, the 3D engine platform and the operation control circuit are electrically connected with the 3D display screen and are positioned in the base, and the interaction assembly is detachably connected with the decorating part and is positioned on one side of the decorating part.
2. The holographic 3D intelligent interactive digital virtual sand table of claim 1,
the supporting component further comprises a plurality of lamp decorations, the base is provided with an annular groove, and the lamp decorations are fixedly connected with the base and located in the annular groove.
3. The holographic 3D intelligent interactive digital virtual sand table of claim 2,
the support assembly further comprises a spectacle frame and a magnet block, the spectacle frame is fixedly connected with the decorating part and located on one side of the decorating part, and the magnet block is fixedly connected with the spectacle frame and located on one side of the spectacle frame.
4. The holographic 3D intelligent interactive digital virtual sand table of claim 1,
the 3D display screen comprises a display screen body and a backlight plate, wherein the backlight plate is fixedly connected with the mounting seat and is positioned between the display screen body and the mounting seat.
5. The holographic 3D intelligent interactive digital virtual sand table of claim 1,
the 3D glasses comprise a driving unit, a first liquid crystal display screen, a gasket, a second liquid crystal display screen, a shell and lenses, wherein the first liquid crystal display screen is fixedly connected with the driving unit and is positioned on one side of the driving unit, the second liquid crystal display screen is fixedly connected with the first liquid crystal display screen and is positioned on one side of the driving unit, the gasket is fixedly connected with the second liquid crystal display screen and is positioned between the first liquid crystal display screen and the second liquid crystal display screen, the shell is fixedly connected with the second liquid crystal display screen and is positioned on one side of the gasket, and the lenses are fixedly connected with the shell and are positioned in the shell.
6. An interactive method of a holographic 3D intelligent interactive digital virtual sand table is characterized in that,
the method comprises the following steps: manufacturing a sand table model;
displaying the sand table model;
positioning the eyes of a viewer to acquire visual angle information of a viewpoint;
automatically mapping the spatial relationship to realize holographic 3D display;
tracking the movement of the viewpoint in real time, and synchronizing data to the 3D engine platform;
and controlling the sand table model.
7. The interactive method of holographic 3D intelligent interactive digital virtual sand table as claimed in claim 6,
the specific steps of positioning the positions of the eyes of the viewer and acquiring the viewpoint and visual angle information are as follows:
acquiring a mark point of the 3D glasses;
a plurality of capture cameras taking pictures of the viewer;
uploading the photos to a 3D engine platform;
perspective information is acquired based on the plurality of photographs and the captured camera position.
8. The interactive method of holographic 3D intelligent interactive digital virtual sand table as claimed in claim 6,
the automatic mapping of the spatial relationship, the specific steps for realizing holographic 3D display are as follows:
uploading the mark points and the visual angle information to a scene rendering 3D engine platform;
rendering the 3D video signal in real time based on the mark points and the visual angle information;
outputting the 3D synchronization signal to 3D glasses;
the 3D video signal is transmitted to a 3D display screen.
9. The interactive method of holographic 3D intelligent interactive digital virtual sand table as claimed in claim 6,
the concrete steps of controlling the sand table model are as follows:
acquiring an initial position and an inclination angle of a transmitting line;
calculating the position of a drop point from a transmitting line to a display screen;
and performing man-machine interaction based on the operation.
10. The interactive method of holographic 3D intelligent interactive digital virtual sand table as claimed in claim 9,
the operations include clicking, dragging, zooming in, and zooming out.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113206991A (en) * | 2021-04-23 | 2021-08-03 | 深圳市瑞立视多媒体科技有限公司 | Holographic display method, system, computer program product and storage medium |
| CN113382224A (en) * | 2021-05-27 | 2021-09-10 | 深圳市瑞立视多媒体科技有限公司 | Interactive handle display method and device based on holographic sand table |
| CN113382225A (en) * | 2021-05-27 | 2021-09-10 | 深圳市瑞立视多媒体科技有限公司 | Binocular holographic display method and device based on holographic sand table |
| CN113376858A (en) * | 2021-05-27 | 2021-09-10 | 深圳市瑞立视多媒体科技有限公司 | Holographic display method and device based on holographic sand table |
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| CN113516903A (en) * | 2021-05-11 | 2021-10-19 | 中钢集团马鞍山矿山研究总院股份有限公司 | Intelligent mine scene oriented digital twin evolution mechanism and method |
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| CN113376858A (en) * | 2021-05-27 | 2021-09-10 | 深圳市瑞立视多媒体科技有限公司 | Holographic display method and device based on holographic sand table |
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