CN104168315B - A kind of full visual angle smooth immersion display methods and system - Google Patents
A kind of full visual angle smooth immersion display methods and system Download PDFInfo
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Abstract
The present invention proposes a kind of smooth immersion display methods and system in full visual angle, and wherein method includes：A main equipment and more than one slave device are pre-set according to predetermined angle；Main equipment receives the Viewing-angle information that each slave device reports respectively, the initiation parameter of each slave device is calculated according to the Viewing-angle information of each slave device, initiation parameter is issued to corresponding slave device respectively, slave device sets according to initiation parameter and renders image parameter；When the rendering heartbeat of main equipment expires, main equipment is updated according to newest scene state shows image, and sends newest scene state to each slave device respectively, and each slave device updates respectively according to the scene state shows image.The present invention can solve that the involving great expense, is inconvenient for use of existing immersion display methods, feeling of immersion be not strong, display picture is discontinuous and the shortcomings of influenced by observation visual angle and generate stitching portion distortion.
Description
Technical field
The present invention relates to the smooth immersion display methods in image display technology field more particularly to a kind of full visual angle and it is
System.
Background technology
Immersion shows that (Immersive Display) technology is a kind of advanced, digitized human-machine interface technology,
Feature is a kind of artificial virtual environment that computer generates, and generates an artificial environment based on visual experience, people
The virtual world of computer simulation can be perceived by stereoscopic vision, it can also be by movement, voice, expression, gesture etc. most certainly
Right mode and virtual world interacts, so as to generate immersion experience on the spot in person.Immersion display technology is to calculate
The comprehensive development of the multiple technologies such as machine technology, sensor technology, interpersonal interaction technique, artificial intelligence technology, at present in army
Thing, medicine, education, amusement, manufacturing industry, engineering training etc. are applied, it is considered current and influences people in the future
One of the important technology lived.
Immersion display system is come real by some special external equipments, high-performance computer and corresponding software
It is existing.It makes one to be immersed to completely in the graphics world of computer creation, like experiencing real world.Immersive VR is shown
System is a kind of advanced virtual reality system, it provides the experience immersed completely, and user is allowed to have one kind to place oneself in the midst of void
Intend the feeling among boundary.It is provided one kind with single-hearted devotion for participant and is immersed sense therein using specific display equipment
Feel.
Existing immersion display system includes cave (CAVE) immersive VR display system, helmet-type three-dimensional is stood
Body display system, cylinder ring curtain projection immersed system of virtual reality etc..
Cave immersive VR display system is large-scale VR systems, but this method involves great expense, for a long time
Host is using high-grade work station, and multichannel graphics system, configuration is complicated, and more demanding to scene environment, general user can not hold
By can not widely promote, while real seamless, continuous virtual reality picture can not be obtained；
Helmet-type three-dimensional stereo display system utilizes helmet-mounted display or other equipment, vision, the sense of hearing participant
Feel to be closed with other, and a new, virtual sense space is provided, but head-mounted display apparatus in this method
Weight excessive (generally in 1.5kg to 2kg), resolution ratio is low, visual field is not wide enough, the easy fatigue of eyes etc., can not be easily accepted by a user；
Cylinder ring curtain projection immersion virtual display system is that the projected image of plane is passed through non-linear distortion geometry school
It just projects on annular screen, but this method can only provide the panoramic picture on horizontal direction visual angle, lack vertical direction and regard
The image at angle can not really realize the height feeling of immersion of display picture.
As it can be seen that existing immersion display methods presence involves great expense, is inconvenient for use, feeling of immersion is not strong, shows picture not
Deficiency continuous and that stitching portion distortion is influenced and generated by observation visual angle.
Invention content
The present invention provides a kind of smooth immersion display methods in full visual angle, solve making for existing immersion display methods
High price is expensive, inconvenient for use, feeling of immersion is not strong, display picture is discontinuous and is influenced by observation visual angle and generates stitching portion distortion etc. and lack
Point.
The present invention also provides a kind of smooth immersion display systems in full visual angle, solve existing immersion display methods
It involves great expense, is inconvenient for use, feeling of immersion is not strong, display picture is discontinuous and is influenced by observation visual angle and generates stitching portion distortion etc.
Shortcoming.
The technical proposal of the invention is realized in this way：
A kind of smooth immersion display methods in full visual angle, according to predetermined angle pre-set a main equipment and one with
Upper slave device, the method includes：
Main equipment receives the Viewing-angle information that each slave device reports respectively, is calculated according to the Viewing-angle information of each slave device each
Initiation parameter is issued to corresponding slave device by the initiation parameter of a slave device respectively, and slave device is according to initiation parameter
Setting renders image parameter；
When the rendering heartbeat of main equipment expires, main equipment is updated according to newest scene state shows image, and respectively
Newest scene state is sent to each slave device, each slave device updates respectively according to the scene state shows image.
A kind of smooth immersion display system in full visual angle, including：One main equipment and more than one slave device, the master
Equipment and slave device are set according to predetermined angle；Wherein,
The main equipment, for receiving the Viewing-angle information that each slave device reports respectively, according to the visual angle of each slave device
Information calculates the initiation parameter of each slave device, and initiation parameter is issued to corresponding slave device respectively；It is additionally operable to as master
When the rendering heartbeat of equipment expires, updated according to newest scene state and show image, and sent most to each slave device respectively
New scene state；
For reporting Viewing-angle information to main equipment, wash with watercolours is set according to the initiation parameter that main equipment is fed back for the slave device
Contaminate image parameter；The scene state update for being additionally operable to be sent according to main equipment shows image.
As it can be seen that the present invention proposes the smooth immersion display methods and system in full visual angle, using multiple any form of aobvious
Show that equipment shows image, cost is relatively low, easy to use；Also, the image generated using spherical panoramic image or computer, from display
It ensure that the immersion at full visual angle is shown in terms of information source, ensure that the flatness of display.
Description of the drawings
The smooth immersion display methods in Fig. 1 full visual angles proposed by the present invention realizes flow chart；
Fig. 2-1 is one schematic diagram of main equipment and the deployment way of slave device in embodiment one；
Fig. 2-2 is two schematic diagram of main equipment and the deployment way of slave device in embodiment one；
Fig. 2-3 is three schematic diagram of main equipment and the deployment way of slave device in embodiment one；
Fig. 3 is the realization flow chart that image information synchronizes between main equipment and slave device in embodiment two；
Fig. 4 is main equipment and the attachment structure schematic diagram of each slave device.
Specific embodiment
The present invention proposes a kind of smooth immersion display methods in full visual angle, pre-sets a master according to predetermined angle and sets
Standby and more than one slave device, if Fig. 1 is this method realization flow chart, including：
Step 101：Main equipment receives the Viewing-angle information that each slave device reports respectively, is believed according to the visual angle of each slave device
Breath calculates the initiation parameter of each slave device, initiation parameter is issued to corresponding slave device respectively, slave device is according to just
Beginningization parameter setting renders image parameter；
Step 102：When the rendering heartbeat of main equipment expires, main equipment updates display figure according to newest scene state
Picture, and newest scene state is sent to each slave device respectively, each slave device updates aobvious according to the scene state respectively
Diagram picture.
In the above method, if the rendering heartbeat of main equipment does not expire, and when the rendering heartbeat of slave device expires, from setting
Standby updated according to the information of previous frame shows image.The setting of slave device rendering heartbeat is in order to slow because calculating in main equipment
Or network congestion remains able to continue flow display without quilt when leading to not timely update data to slave device in slave device
Obstruction.
In above-mentioned steps 101, initiation parameter can include：The coordinate in the initial shown region of spherical panoramic image or
The initial world coordinates of inner camera and camera lens visual angle when computer generates figure.
In above-mentioned steps 102, newest scene state can include：The currently shown area coordinate of spherical panoramic image,
Or inner camera our times coordinate during computer generation figure.
It is updated respectively according to above-mentioned scene state by main equipment and slave device and shows image, can realize that multiple displays are set
Standby simultaneous display is generated by camera shooting and the spherical panoramic image after spherical panorama projection process or display by computer
Figure；Relative to common image, the display image information at bigger visual angle or 360 degree of full visual angles is provided.
It, can be in a manner that predetermined angle pre-sets a main equipment and more than one slave device in the above method
For：
Main equipment and slave device are set as the spherical surface or a plane of certain radian；
Alternatively, main equipment is set as central display device, a big slave device of size is set as periphery display sets
It is standby；
Alternatively, main equipment and slave device are projected to different angle in spherical screen.
Below in conjunction with attached drawing, lift specific embodiment and be discussed in detail.
Embodiment one：
The present embodiment introduces main equipment and three kinds of deployment way of slave device.
Fig. 2-1 gives a kind of master-slave equipment deployment way, you can puts into multiple display equipment according to certain angle
One plane or the spherical surface with certain radian, it is main equipment to choose equipment, and miscellaneous equipment is slave device, in Fig. 2-1
Central apparatus is had chosen as main equipment.
Fig. 2-2, which is shown, will show equipment centered on portable device, and be equipped with a larger-size display equipment
As peripheral display device, Selection Center shows that equipment is main equipment in figure, another equipment is slave device.
In Fig. 2-3, it will show that information projects to a spherical surface with projecting apparatus, choose one of equipment as main equipment,
Remaining is slave device.
In addition to above-mentioned three kinds of deployment way, the present invention can also use other any displays that can provide various visual angles
With location of displays deployment way, by more high definition, it is more flexible in a manner of the different visual angles of virtual image are provided, overcome due to scene
The defects of image feeling of immersion is insufficient caused by the limitation of environment.
Embodiment two：
The present embodiment introduces the detailed process that image information synchronization is carried out between main equipment and slave device.
It introduces first after above-mentioned deployment, the image format of main equipment and slave device shown by as an entirety.It can
It is shown by including the image in the form of two kinds：
The first, spherical panoramic image：
It, can only be to the part visual angle of reality scene because of the limitation of camera perspective for the photo of general camera shooting
Imaging.Panorama diagram technology passes through spherical projection technology by the way that the photo of different visual angles to be spliced into the image at a full visual angle
And the panorama sketch formed is known as spherical panoramic image.Spherical panoramic image can provide both horizontally and vertically 360 degree of visual angle.
By using spherical panorama diagram technology in the present invention, according to the Viewing-angle information of display equipment (according to each slave device phase
Size and relative position for main equipment obtain), pixel coverage of its view plane in spherical panoramic image is positioned, it is final pass through
Cross the geometric correction to view plane, color correction, so as to reach the flatness that each display equipment shows image.
Second, the figure of computer generation：
For the figure of computer graphics system generation, the Viewing-angle information according to display equipment is needed (according to each slave device
Obtained relative to the size and relative position of main equipment) angle of the camera of computer-internal is set.Reach each with this
The full visual angle flatness that the figure generated to entire computer graphics system is completed in equipment cooperation is watched.
The synchronizing process of master-slave equipment introduced below, such as the synchronizing process schematic diagram that Fig. 3 is master-slave equipment.Specifically include with
Lower three phases.
First stage：Establish connection.
Master/slave arrangement has been switched on three threads, including main thread, renders thread and network thread.Wherein, main thread is used
The processing of processing, external equipment event in network event and the timer management of rendering heartbeat etc., as render thread and
The management thread of network thread, the rendering heartbeat period of main equipment is Timer1, the rendering heartbeat cycle T imer2 of slave device.
When connection is established, main equipment is ready, supports being dynamically added for slave device.Specifically establishing connection procedure is：
Slave device network thread sends a piece of news to main equipment, and request is established with main equipment and connected, and is carried in the message
The Viewing-angle information of slave device；
The network thread of main equipment receives the message that connection is established in slave device request, notifies the main thread of main equipment, and master sets
Slave device is added in the slave device list of main equipment by standby main thread, and calculates slave device according to the Viewing-angle information of slave device
Initiation parameter, initiation parameter is issued to the slave device；Wherein, it is complete can to include spherical surface from the device for initiation parameter
The initial world coordinates and camera lens of inner camera when the coordinate in the initial shown region of scape figure or computer generation figure
Visual angle；
Slave device sets according to initiation parameter and renders image parameter, completes the preparation of follow-up display image.
For each slave device, the above process builds on the connection between main equipment and slave device respectively.
Second stage：Interactive rendering.
In order to reach the real-time of master-slave equipment image synchronization, the present embodiment is designed based on the same of heart beat cycle Timer1
Step ensures the property synchronizing cycle update of master-slave equipment information.
Specifically synchronizing process is：Main thread receives event (incoming event that such as user is sent out by peripheral hardware), in heartbeat
Cycle timer updates scene state when occurring, and sends newest scene state to slave device, and scene state includes synchronous need
The necessary data wanted, such as the currently shown area coordinate of spherical panoramic image, inner camera is current when computer generates figure
World coordinates etc..Slave device main thread will notify slave device to render thread and show image according to the scene state update received.
Meanwhile main equipment updates also according to newest scene state and shows image.
In addition, the rendering heartbeat when main equipment does not reach, and during the arrival of the rendering heartbeat of slave device, slave device can root
Image is shown according to the information update of previous frame, carries out the rendering of virtual reality scenario.The setting of slave device rendering heartbeat be in order to
In main equipment because calculating slowly or when network congestion leads to not timely update data to slave device, remain able in slave device after
Continuous flow display is without being blocked.
Phase III：It exits.
When the network thread of slave device sends the message for cancelling connection to main equipment, the network thread of main equipment receives
The message of cancellation connection, and notify main equipment main thread, main thread deletes the equipment from main equipment slave device list, from
Equipment exits connection.
The present invention also propose a kind of smooth immersion display system in full visual angle, including a main equipment and more than one from
Equipment, the main equipment and slave device are set according to predetermined angle；Wherein,
The main equipment, for receiving the Viewing-angle information that each slave device reports respectively, according to the visual angle of each slave device
Information calculates the initiation parameter of each slave device, and initiation parameter is issued to corresponding slave device respectively；It is additionally operable to as master
When the rendering heartbeat of equipment expires, updated according to newest scene state and show image, and sent most to each slave device respectively
New scene state；
For reporting Viewing-angle information to main equipment, wash with watercolours is set according to the initiation parameter that main equipment is fed back for the slave device
Contaminate image parameter；The scene state update for being additionally operable to be sent according to main equipment shows image.
Above-mentioned slave device can be also used for, and when the rendering heartbeat of slave device expires, be updated according to the information of previous frame aobvious
Diagram picture.
In above system, initiation parameter can include：The coordinate in the initial shown region of spherical panoramic image calculates
The initial world coordinates of inner camera and camera lens visual angle when machine generates figure.
Newest scene state can include：The currently shown area coordinate of spherical panoramic image or computer generation figure
Inner camera our times coordinate during shape.
In above system, main equipment and slave device could be provided as the spherical surface or a plane of certain radian；
Alternatively, main equipment could be provided as central display device, a big slave device of size is set as periphery display and sets
It is standby；
Alternatively, main equipment and slave device can be projected to different angle in spherical screen.
If Fig. 4 is main equipment (Master) and the attachment structure schematic diagram of each slave device (Slave).Master-slave equipment passes through net
Network connects, and any form of display equipment may be used in master-slave equipment, and it is different can be directed to different virtual application scene configurations
The display equipment of form, such as 3LCD projecting apparatus, flexible display, regular display, portable mobile equipment and 3D display
One or more display equipment such as equipment.Deployed with devices flexible and convenient.
To sum up, full visual angle proposed by the present invention smooth immersion display methods and system, uses multiple arbitrary shapes
The display equipment of formula simultaneously sets external user interactive device, enhances human-computer interaction；And equipment flexible and convenient, it is portable high；
The figure generated using spherical panoramic image and computer ensure that the immersion experience at full visual angle in terms of information source is shown, right
Geometric correction, color correction have been carried out before panorama sketch is shown to equipment, ensure that the flatness of display.Also, the present invention
The transmission for realizing information between master-slave equipment using heartbeat synchronization mechanism is designed, real-time ensuring master-slave equipment image shows same
Step.In order to increase flexibility, being dynamically added for slave device is supported after main equipment is ready；To realize that high efficiency synchronous and more equipment are smooth
Concurrent Display, main equipment node rendering heartbeat T1 and slave device node rendering heartbeat T2 is set separately, main equipment node is real-time
Ground obtains the customer interaction information of each interactive device node feeding back, calculates scene of game information converting.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of protection of the invention.
Claims (8)
1. the smooth immersion display methods in a kind of full visual angle, which is characterized in that pre-set a master according to predetermined angle and set
Standby and more than one slave device, it is described in a manner that predetermined angle pre-sets a main equipment and more than one slave device
For：
Main equipment and slave device are set as the spherical surface or a plane of certain radian；
Alternatively, main equipment is set as central display device, a big slave device of size is set as peripheral display device；
Alternatively, main equipment and slave device are projected to different angle in spherical screen；
The method includes：
Main equipment receives the Viewing-angle information that each slave device reports respectively, according to the Viewing-angle information of each slave device calculate it is each from
Initiation parameter, is issued to corresponding slave device by the initiation parameter of equipment respectively, and slave device is set according to initiation parameter
Render image parameter；
When the rendering heartbeat of main equipment expires, main equipment is updated according to newest scene state shows image, and respectively to each
A slave device sends newest scene state, and each slave device updates respectively according to the scene state shows image.
2. according to the method described in claim 1, it is characterized in that, the method further includes：The rendering heartbeat of slave device expires
When, slave device is updated according to the information of previous frame shows image.
3. method according to claim 1 or 2, which is characterized in that the initiation parameter includes：At the beginning of spherical panoramic image
The initial world coordinates of inner camera and camera lens visual angle when beginning to be shown the coordinate in region or computer generation figure.
4. method according to claim 1 or 2, which is characterized in that the newest scene state includes：Spherical panoramic image
Currently shown area coordinate or inner camera our times coordinate during computer generation figure.
5. a kind of smooth immersion display system in full visual angle, which is characterized in that the system comprises：One main equipment and one
More than slave device, the main equipment and slave device are set according to predetermined angle, and the main equipment and slave device are set as certain arc
The spherical surface of degree or a plane；
Alternatively, main equipment is set as central display device, a big slave device of size is set as peripheral display device；
Alternatively, main equipment and slave device are projected to different angle in spherical screen；Wherein,
The main equipment, for receiving the Viewing-angle information that each slave device reports respectively, according to the Viewing-angle information of each slave device
The initiation parameter of each slave device is calculated, initiation parameter is issued to corresponding slave device respectively；It is additionally operable to work as main equipment
Rendering heartbeat when expiring, updated according to newest scene state and show image, and sent respectively to each slave device newest
Scene state；
The slave device, for reporting Viewing-angle information to main equipment, the initiation parameter setting fed back according to main equipment renders figure
As parameter；The scene state update for being additionally operable to be sent according to main equipment shows image.
6. system according to claim 5, which is characterized in that the slave device is additionally operable to, when the rendering heartbeat of slave device
When expiring, updated according to the information of previous frame and show image.
7. system according to claim 5 or 6, which is characterized in that the initiation parameter includes：At the beginning of spherical panoramic image
The initial world coordinates of inner camera and camera lens visual angle when beginning to be shown the coordinate in region or computer generation figure.
8. system according to claim 5 or 6, which is characterized in that the newest scene state includes：Spherical panoramic image
Currently shown area coordinate or inner camera our times coordinate during computer generation figure.
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| US20190121515A1 (en) * | 2015-10-15 | 2019-04-25 | Sony Corporation | Information processing device and information processing method |
| CN105487831A (en) * | 2015-11-23 | 2016-04-13 | 北京奇虎科技有限公司 | Cross-interface display method and client |
| KR20170095030A (en) * | 2016-02-12 | 2017-08-22 | 삼성전자주식회사 | Scheme for supporting virtual reality content display in communication system |
| WO2018012628A1 (en) * | 2016-07-15 | 2018-01-18 | ナーブ株式会社 | Image display device and image display system |
| CN107844190B (en) | 2016-09-20 | 2020-11-06 | 腾讯科技（深圳）有限公司 | Image display method and device based on virtual reality VR equipment |
| WO2018117985A1 (en) * | 2016-12-21 | 2018-06-28 | Ananbanchachai Nenin | Projector system for spherical platform |
| CN109491655B (en) * | 2018-10-08 | 2022-07-15 | 北京小米移动软件有限公司 | Input event processing method and device |
| CN109814903A (en) * | 2019-01-09 | 2019-05-28 | 广州视源电子科技股份有限公司 | A kind of image display method, system, device, storage medium and mainboard |
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| CN103941410A (en) * | 2014-04-29 | 2014-07-23 | 深圳市丽新致维显示技术有限责任公司 | Display device and display method thereof |
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| JP5832666B2 (en) * | 2011-12-20 | 2015-12-16 | インテル・コーポレーション | Augmented reality representation across multiple devices |
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| CN103646424A (en) * | 2013-11-26 | 2014-03-19 | 北京空间机电研究所 | Aerial seamless virtual roaming system constructing method |
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