CN109032357A - More people's holography desktop interactive systems and method - Google Patents
More people's holography desktop interactive systems and method Download PDFInfo
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- CN109032357A CN109032357A CN201810926597.0A CN201810926597A CN109032357A CN 109032357 A CN109032357 A CN 109032357A CN 201810926597 A CN201810926597 A CN 201810926597A CN 109032357 A CN109032357 A CN 109032357A
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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
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
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Abstract
Present disclose provides a kind of more people's holography desktop interactive systems comprising holographic table, desktop 2D image for rendering；Display module on the table is presented into 2D image, and user watches 3D rendering by the display module；For obtaining the locating module of the spatial position of user；Human-computer interaction module, user control the presentation of 3D rendering by the human-computer interaction module；And the computing module that data needed for completing holographic desktop interactive system calculate.The disclosure additionally provides a kind of more people's holography desktop exchange methods.
Description
Technical field
This disclosure relates to a kind of more people's holography desktop interactive systems and method.
Background technique
Existing 3D imaging technique is broadly divided into two kinds of naked eye holographic imaging and 3D air-borne imagery technology.
Common naked eye holographic imaging is borrowed using interference and diffraction principle record and the true 3-D image of reconstructed object
Help the displaying of the media implementations holograms such as glass triangle cone, flat film.Although this holographic imaging mode is in society
It is upper a wide range of universal, but it still has following shortcoming:
(1) material and area of medium are limited to, the image that this method is showed usually small volume can not be shown
The image of big profile；
(2) it is limited to the shape (pyrometric cone, cube, plane) of medium, the hologram shown is mostly personage, toy
Equal monomer models, can not show laterally large-scale hologram, such as city outline, room layout；
(3) it needs to see that this has added between spectators and image and has hindered together through media such as glass, plastics when watching image
Hinder, virtually destroy feeling of immersion, reduces user experience.
Generally speaking, the physical characteristics of hardware presentation device are limited to, the use scope of naked eye holographic imaging is only limitted to open up
It lookes at and shows monomer holographic model, can not be applied in daily life on a large scale.
The image show mode of 3D air-borne imagery is in fields such as video display, military projects by large-scale application.In cinema
Watching 3D film is no longer strange thing already.This imaging mode is that polarization theory is utilized, by will be in two different perspectivess
The original image of shooting is in different colors or different angle is printed in the same painting face, and brain allows people to feel two Image compoundings again
By 3D three-dimensional sense.Although polarizing 3D imaging technique by widespread adoption, the image presented still have it is following not
Foot:
(1) it is limited to the screen erect, the image presented can only be supported to watch from fixed angle, and can only see
The image in one direction cannot support the overall picture of any angle viewing image；
(2) it cannot be interacted with image, i.e., cannot control the posture of image, position and big by keyboard, handle, gesture etc.
Small, the participation of spectators is poor；
(3) portability is poor, and it is long to build the time, at high cost.
With the fast development of virtual reality industry, browses in three dimensions, edits 3D hologram in each row
Become a kind of general need in each industry.However, the mode of naked eye holographic imaging and 3D air-borne imagery is not able to satisfy and increasingly increases
Long market needs.The imaging effect of both methods, interactivity are not fully up to expectations.The VR helmet is although support user in space
The various 3D images of middle viewing simultaneously operate it, but have completely cut off it and contacted with extraneous, and cannot more people use simultaneously.These
Problem is required to a kind of support more people, support interaction, the holographic imaging of real-time multi-angle rendering and interaction technique is supported to solve.
Summary of the invention
In order to solve at least one above-mentioned technical problem, present disclose provides a kind of more people's holography desktop interactive systems and sides
Method.
According to the disclosure in a first aspect, a kind of more people's holography desktop interactive systems include holographic table, desktop is for being in
Existing 2D image；Display module on the table is presented into 2D image, and user watches 3D rendering by the display module；With
Locating module in the spatial position for obtaining user；Human-computer interaction module, user control 3D by the human-computer interaction module
The presentation of image；And the computing module that data needed for completing holographic desktop interactive system calculate.
According at least one embodiment of the disclosure, display module includes: to set for showing that the image of 2D image is shown
It is standby；It is used for transmission the 3D signal projector of 3D signal；And it receives 3D signal and makes the shutter 3D of user's viewing 3D rendering
Glasses.
According at least one embodiment of the disclosure, image display is projector or liquid crystal display.Wherein, it throws
Shadow instrument is mounted on the top of holographic table, will be in 2D image projection to desktop using positive throwing mode；Or projector is mounted on desktop
Lower section, will be in 2D image projection to desktop by the way of rear-projection；Or liquid crystal display setting shows 2D on the table
Image.
According at least one embodiment of the disclosure, human-machine exchange module includes the handle for controlling 3D rendering and presenting.
According at least one embodiment of the disclosure, locating module is that optical profile type motion capture system or inertia-type act
Capture system.
According at least one embodiment of the disclosure, optical profile type motion capture system is label point type optics motion capture
System comprising: more than two optics high speed cameras, the optics high speed camera and holographic table are rigidly connected, or are fixedly mounted on
The top of holographic table；And the optical markings point on shutter type 3 D spectacles and handle is set.
According at least one embodiment of the disclosure, locating module further includes calibration module, is used to determine that more people to be complete
The origin and change in coordinate axis direction of the local coordinate system of desktop interactive system are ceased, the local coordinate system is for marking the user's
Space coordinate.
According at least one embodiment of the disclosure, local coordinate system is rectangular coordinate system, and calibration module includes but not
It is limited to 3 calibrators, respectively the first calibrator, the second calibrator and third calibrator, calibrator is arranged on the table, wherein
The line of first calibrator and the second calibrator and the line of the first calibrator and third calibrator intersect vertically, intersection point first
Calibrator position.
According to the second aspect of the disclosure, a kind of more people's holography desktop exchange methods comprising utilize above-mentioned first aspect
In more people's holography desktop interactive systems: by locating module obtain user spatial position, and pass through human-computer interaction mould
The instruction of block acquisition user；According to spatial position and instruction, corresponding 2D image is presented on the desktop of holographic table；And
User watches corresponding 3D rendering by display module.
It include determining by the spatial position that locating module obtains user according at least one embodiment of the disclosure
Local coordinate system；And obtain space coordinate of the user in local coordinate system.Wherein it is determined that local coordinate system includes: to obtain
Take the position of aforementioned calibrator；It is the origin of local coordinate system by the position mark of the first calibrator；First calibrator is directed toward the
The bearing mark of two calibrators is that x-axis is positive；The bearing mark that first calibrator is directed toward third calibrator is that y-axis is positive；And
Z-axis direction is determined according to x-axis, y-axis and left-handed coordinate system criterion or right-handed coordinate system criterion.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the structure chart according to more people's holography desktop interactive systems of the disclosure at least one embodiment.
Fig. 2 is the flow chart according to more people's holography desktop exchange methods of the disclosure at least one embodiment.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
In at least one embodiment of the disclosure, present disclose provides a kind of more people's holography desktop interactive systems, such as
Shown in Fig. 1 comprising holographic table, desktop 2D image for rendering；Display module on the table is presented into 2D image, and
User watches 3D rendering by the display module；For obtaining the locating module of the spatial position of user；Human-computer interaction mould
Block, user control the presentation of 3D rendering by the human-computer interaction module；And number needed for completing holographic desktop interactive system
According to the computing module of calculating.
In accordance with another embodiment of the present disclosure, the main structure of holographic table can be box-type, and surrounding and bottom can
To be fenced up with plank or metal plate, screen is set, for rendering 2D image on desktop.
According to the another embodiment of the disclosure, display module includes: the image display for showing 2D image；
It is used for transmission the 3D signal projector of 3D signal；And it receives 3D signal and makes shutter 3D of user's viewing 3D rendering
Mirror.
According to the another embodiment of the disclosure, image display is projector or liquid crystal display.Wherein, it projects
Instrument may be mounted at the top of holographic table, for example, on the ceiling being mounted on above holographic table, using positive mode of throwing by 2D image
It projects on the screen of desktop；Or projector is mounted on the lower section of desktop, for example, in the cabinet of holographic table, using rear-projection
Mode will be on the screen of 2D image projection to desktop；Or directly liquid crystal display is arranged on the table.
Shutter type 3 D spectacles mainly realize 3D effect by improving the fast refresh rate of picture, belong to active 3D skill
Art is called time-sharing procedure shading technology or liquid crystal time sharing.Each eyeglass of shutter type 3 D spectacles includes a liquid crystal
Layer, can the blackening in the case where loading certain voltage.Conversely, in the case where no auxiliary voltage just and common eyeglass class
Seemingly.Since the 3D rendering of each frame includes the picture of left and right two width different angle shooting, only when left picture correspondence passes through
Left eyeglass (there be not loading fixed voltage on eyeglass), when right picture is corresponded to through right eyeglass, user can just see 3D rendering.Cause
This, needs a synchronization signal to control the alternating of the alternating of left and right eyeglass and left and right picture and be consistent.In synchronization signal
Under control, loads the voltage on two eyeglasses in left and right and alternately change, and the left and right picture synchronization that plays on display screen, even if
The left eye for obtaining user sees that left picture, right eye see right picture, and two images integrator is then realized 3D's by brain
Visual effect.When the refresh rate of image reaches 120Hz or more, user can be made, which to watch, does not have shake sense 3D rendering.
Therefore, the working method of display module are as follows: image display receives the picture signal of computing module, and will packet
The 2D image of the picture containing left and right is presented on the screen of holographic table.Meanwhile the synchronization signal that left and right picture plays, i.e. 3D signal,
Shutter type 3 D spectacles are transmitted to by 3D signal projector, user wears the figure shown on shutter type 3 D spectacles viewing screen
Picture sees the left and right picture being switched fast, and generates illusion in the brain, watch 3D rendering.
According to the another embodiment of the disclosure, human-machine exchange module includes the handle for controlling 3D rendering and presenting.In addition,
User can also rely on the display state of gesture control 3D rendering by keyboard or directly, and such as amplification is reduced, is mobile, rotation
Turn etc..
According to the another embodiment of the disclosure, locating module is that optical profile type motion capture system or inertia-type movement are caught
Catch system.
According to the another embodiment of the disclosure, optical profile type motion capture system is label point type optics motion capture system
System, system can capture the spatial position of object by issuing with the infrared light of specific band is received, be regarded based on computer
Feel principle, target feature point is monitored and tracked from different perspectives by multiple high speed cameras, to realize the mesh of motion capture
's.Theoretically for any one point in space, as long as it can be simultaneously for seen in two cameras, so that it may determine this moment
The position of point in space.When camera is continuously shot with sufficiently high rate, the point can be obtained by from image sequence
Motion profile.
Therefore, according to the another embodiment of the disclosure, making type optics motion capture system includes: more than two light
High speed camera is learned, the optics high speed camera and holographic table are rigidly connected, or are fixedly mounted on the top of holographic table, such as be lifted on
On ceiling above holographic table；And the optical markings point on shutter type 3 D spectacles and handle is set.The optics high speed phase
Machine is used to detect the optical markings point on glasses and handle, and the real-time spatial position of user is obtained by computing module.Wherein,
Optics high speed camera can be infrared motion and capture camera, and optical markings point can be active infrared generating device, and use lithium
Battery power supply, can continuously issue infrared light.In addition, Laser Positioning Equipment also can be used in locating module.
1 meter of distance should be remained above in order to be precisely located, between camera, camera and user are also remained above 1 meter
Spacing.Optics high speed camera can be powered by cable to be transmitted with data, and data collected are transmitted to computing module
It is calculated.
According to the another embodiment of the disclosure, locating module further includes calibration module, is used to determine that more people to be holographic
The origin and change in coordinate axis direction of the local coordinate system of desktop interactive system, the local coordinate system are used to mark the sky of the user
Between coordinate.
According to the another embodiment of the disclosure, local coordinate system can be rectangular coordinate system, calibration module include but
3 calibrators are not limited to, respectively the first calibrator, the second calibrator and third calibrator, calibrator can be set in desktop
On, wherein the line of the first calibrator and the second calibrator and the line of the first calibrator and third calibrator intersect vertically, hand over
Point is the first calibrator position.In addition, local coordinate system can also select other common coordinate systems, as polar coordinate system,
Spherical coordinate system or cylindrical coordinate.The setting of calibrator number and position is different according to the selection of coordinate system.Calibrator can
For example, being active infrared generator, and to pass through optics as the mark point being arranged on shutter type 3 D spectacles or handle
Its location information is sent to computing module by high speed camera, to calculate the origin and reference axis that determine local coordinate system.
According to the another embodiment of the disclosure, computing module can be a high-performance host, be placed on holographic table
Cabinet in, provide support for image rendering and data calculating, built in software be able to achieve splicing and the space of hologram
Other function needed for location matches and this system.
The disclosure additionally provides a kind of more people's holography desktop exchange methods, as shown in Fig. 2, it is including the use of above-mentioned different real
It applies more people's holography desktop interactive systems of mode: obtaining the spatial position of user by locating module, and pass through man-machine friendship
Mutual module obtains the instruction of user；According to spatial position and instruction, corresponding 2D image is presented on the desktop of holographic table；
And user watches corresponding 3D rendering by display module.
Specifically, in accordance with one embodiment of the present disclosure, optics high speed camera and holographic table are fixed, keeps opposite position
It sets constant.Open the power supply of display module, locating module and computing module.Pass through optics high speed camera, real-time monitoring optics mark
The position for remembering point obtains user's location information by computing module.Meanwhile user is issued by handle and changes hologram image
The features such as position, posture and size instruction.Computing module is calculated and is generated accordingly according to the location information and instruction received
Image and be shown on the screen of holographic table.Shutter type 3 D spectacles in user's wearing open glasses power supply, pass through eye at this time
Mirror simultaneously cooperates received 3D synchronization signal, and user watches corresponding 3D rendering.When the position of user changes
When, such as walk about around holographic table, real-time position information is sent to computing module by locating module, and it is new to recalculate generation
Image, simultaneous display on the screen so that the 3D rendering that user is seen changes therewith.
It include determining office by the spatial position that locating module obtains user according to the another embodiment of the disclosure
Portion's coordinate system；And obtain space coordinate of the user in local coordinate system.
If selecting rectangular coordinate system, it is determined that the step of local coordinate system includes: the position for obtaining aforementioned calibrator；It will
The position mark of first calibrator is the origin of local coordinate system；The bearing mark that first calibrator is directed toward the second calibrator is x
Axis is positive；The bearing mark that first calibrator is directed toward third calibrator is that y-axis is positive；And according to x-axis, y-axis and left hand coordinate
It is that criterion or right-handed coordinate system criterion determine z-axis direction.Those skilled in the art should be understood that the side of determining local coordinate system
Method is not limited to the above method, and can be made adjustment according to the actual situation.In addition, when the coordinate system selected is different, required school
The quantity of quasi- device and the position of placement are also different, and used calibration method also will be correspondingly adjusted, these should be this
The technical staff in field no longer describes one by one herein it will be appreciated that with grasp.
After local coordinate system has been determined, all spatial positional informations in system are represented as it in local coordinate system
Coordinate.If there is the displacement of calibrator, need to recalibrate the local coordinate system new with determination at this time, and will be corresponding former
The coordinate value of coordinate system is converted to the coordinate value of new coordinate system.
More people's holography desktop interactive systems that the disclosure provides can substitute traditional sand table and common electronics is husky
Disk shows various 3D resources in a manner of aerial holographic imaging.It is shape, big since image is no longer bound in dielectric
It is small no longer constrained.Both monomer model can be shown on image-forming module, can also show city general picture, gardens general picture etc. 3D
Scape, novel form, effect is intuitive, can play the effect of display platform in fields such as building displaying, traffic arrangement, Garden Planning.
The system can also help designer to carry out the planning and designing of large scene, and designer is facilitated to have in real time with threedimensional model
Existing mode tests the idea of oneself.
The system can be applied in teaching, such as display manikin, car model, electronic equipment model etc., side
Just student intuitively learns corresponding knowledge point.Student can also be drilled on holographic table by handle and be dismounted in kindly, at this
It accumulates experience, enlarges one's knowledge in the process.
The more people's holography desktop interactive systems provided using the disclosure, user are only needed light without wearing the bulky VR helmet
Just shutter type 3 D spectacles, which can be realized, to be watched in space and operates 3D rendering, and is theoretically supported unlimited number while being joined
With.Compare the tradition VR equipment such as VR helmet, and shutter type 3 D spectacles can greatly reduce the spinning sensation of user.
The real-time interactive of user and hologram are realized by locating module.It can support several users from space
Any angle observes 3D rendering, and the view position of 3D rendering according to the observation plays the image of corresponding direction.
Meanwhile user can implement the various operations such as pulling, scale by handle to hologram, more meet people's
Natural operating habit.
In addition, the size and display mode of holographic table can be customized according to environment and demand, it is able to satisfy under various circumstances
Use.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Claims (10)
1. a kind of more people's holography desktop interactive systems, which is characterized in that more people's holography desktop interactive systems include:
Holographic table, the desktop 2D image for rendering of the holography table；
Display module, the 2D image is presented on the desktop by the display module, and user passes through the display
Module watches 3D rendering；
Locating module, the locating module are used to obtain the spatial position of the user；
Human-computer interaction module, the user control the presentation of the 3D rendering by the human-computer interaction module；And
Computing module, data needed for the computing module completes the holographic desktop interactive system calculate.
2. more people's holography desktop interactive systems according to claim 1, which is characterized in that the display module includes:
Image display, described image show equipment for showing 2D image；
3D signal projector, the 3D signal projector are used for transmission 3D signal；And
Shutter type 3 D spectacles, the shutter type 3 D spectacles receive the 3D signal, and the user passes through described shutter 3D
Mirror watches 3D rendering.
3. more people's holography desktop interactive systems according to claim 2, which is characterized in that described image shows that equipment is to throw
Shadow instrument or liquid crystal display；
Wherein, projector is mounted on the top of the holographic table, using positive mode of throwing by the 2D image projection to the desktop
Upper or projector is mounted on the lower section of the desktop, will be in the 2D image projection to the desktop using rear-projection mode；Or
Person
The liquid crystal display is arranged on the desktop to show the 2D image.
4. more people's holography desktop interactive systems according to claim 1, which is characterized in that the human-machine exchange module includes
Handle, the handle control the presentation of the 3D rendering.
5. more people's holography desktop interactive systems according to claim 1, which is characterized in that the locating module is optical profile type
Motion capture system or inertia-type motion capture system.
6. more people's holography desktop interactive systems according to claim 5, which is characterized in that optical profile type motion capture system
System is label point type optics motion capture system, and the label point type optics motion capture system includes:
More than two optics high speed cameras, the optics high speed camera and the holographic table are rigidly connected, or are fixedly mounted on institute
State the top of holographic table；And
Optical markings point, the optical markings point are arranged on the shutter type 3 D spectacles and the handle.
7. more people's holography desktop interactive systems according to claim 1, which is characterized in that the locating module further includes school
Quasi-mode block, the calibration module are used to determine the origin and reference axis of the local coordinate system of more people's holography desktop interactive systems
Direction, the local coordinate system are used to mark the space coordinate of the user.
8. more people's holography desktop interactive systems according to claim 7, which is characterized in that the local coordinate system is right angle
Coordinate system, the calibration module include but is not limited to the first calibrator, the second calibrator and third calibrator, and the calibrator is set
It sets on the desktop, wherein the line of first calibrator and second calibrator and first calibrator and described
The line of third calibrator intersects vertically, and intersection point is the position of first calibrator.
9. a kind of more people's holography desktop exchange methods, which is characterized in that more people's holography desktop exchange methods are including the use of power
Benefit require any one of 1 to 8 described in more people's holography desktop interactive systems:
The spatial position of the user is obtained by the locating module, and by described in human-computer interaction module acquisition
The instruction of user；
According to the spatial position and described instruction, the corresponding 2D image is presented on the desktop of the holographic table；With
And
The user watches corresponding 3D rendering by the display module.
10. more people's holography desktop exchange methods according to claim 9, which is characterized in that obtained by the locating module
The spatial position for taking the user includes:
Determine the local coordinate system；And
Obtain space coordinate of the user in the local coordinate system；
Wherein it is determined that the local coordinate system includes:
Obtain the position of calibrator as claimed in claim 8；
It is the origin of the local coordinate system by the position mark of first calibrator；
The bearing mark that first calibrator is directed toward second calibrator is that x-axis is positive；
The bearing mark that first calibrator is directed toward the third calibrator is that y-axis is positive；And
Z-axis direction is determined according to x-axis, y-axis and left-handed coordinate system criterion or right-handed coordinate system criterion.
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| CN113485547A (en) * | 2021-06-17 | 2021-10-08 | 深圳市瑞立视多媒体科技有限公司 | Interaction method and device applied to holographic sand table |
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| CN114489347A (en) * | 2022-04-01 | 2022-05-13 | 深圳市赢向量科技有限公司 | Dynamic sand table and demonstration method and system thereof |
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