CN110850977A - Stereoscopic image interaction method based on 6DOF head-mounted display - Google Patents
Stereoscopic image interaction method based on 6DOF head-mounted display Download PDFInfo
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- CN110850977A CN110850977A CN201911077191.0A CN201911077191A CN110850977A CN 110850977 A CN110850977 A CN 110850977A CN 201911077191 A CN201911077191 A CN 201911077191A CN 110850977 A CN110850977 A CN 110850977A
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- 230000003993 interaction Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009877 rendering Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 14
- 230000000007 visual effect Effects 0.000 claims abstract description 9
- 230000004044 response Effects 0.000 claims abstract description 5
- 230000000875 corresponding effect Effects 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000013135 deep learning Methods 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 2
- 208000012788 shakes Diseases 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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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
Abstract
The invention discloses a stereoscopic image interaction method based on a 6DOF head-mounted display, which comprises the steps of S1, collecting spatial position information and posture information of a wearer visual angle; s2, adjusting the posture information and the proportion parameter of the virtual object according to the relative relation between the space position information and the real scene, constructing and rendering a virtual three-dimensional scene, and establishing a dynamic motion model for the dynamic object; s3, displaying the three-dimensional scene and the dynamic motion model on a virtual display interface; s4, adjusting rendering effect parameters of the three-dimensional scene and the dynamic motion model according to the shaking grade of the displayed virtual picture; s5, acquiring the operation forms of the two hands of the user, the action parameters of the two hands of the user and the input voice instructions; and S6, performing virtual response of the three-dimensional scene based on the operation form, the operation parameters and the input voice command.
Description
Technical Field
The invention belongs to the technical field of AR, and particularly relates to a stereoscopic image interaction method based on a 6DOF head-mounted display.
Background
The AR Augmented Reality (Augmented Reality) technology is a technology for skillfully fusing virtual information and a real world, and is widely applied to the real world after virtual information such as characters, images, three-dimensional models, music, videos and the like generated by a computer is simulated and applied by various technical means such as multimedia, three-dimensional modeling, real-time tracking and registration, intelligent interaction, sensing and the like, wherein the two kinds of information supplement each other, so that the real world is enhanced.
The interaction relationship between the user and the simulation environment and various virtual objects in the simulation environment is an important component of the AR technology, and the user experience in the virtual environment is poor due to the shaking of the virtual screen and the interaction manner with the virtual environment.
Disclosure of Invention
The present invention is directed to provide a stereoscopic image interaction method based on a 6DOF head-mounted display to solve the problem of poor correction effect of the existing virtual interactive body, which addresses the above-mentioned shortcomings in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method of stereoscopic image interaction based on a 6DOF head mounted display, comprising:
s1, collecting the spatial position information and the posture information of the visual angle of the wearer;
s2, adjusting the posture information and the proportion parameter of the virtual object according to the relative relation between the space position information and the real scene, constructing and rendering a virtual three-dimensional scene, and establishing a dynamic motion model for the dynamic object;
s3, displaying the three-dimensional scene and the dynamic motion model on a virtual display interface;
s4, adjusting rendering effect parameters of the three-dimensional scene and the dynamic motion model according to the shaking grade of the displayed virtual picture;
s5, acquiring the operation forms of the two hands of the user, the action parameters of the two hands of the user and the input voice instructions;
and S6, performing virtual response of the three-dimensional scene based on the operation form, the operation parameters and the input voice command.
Preferably, the spatial position information is perspective spatial image information captured by at least two sets of cameras positioned above the 6DOF head mounted display.
Preferably, the attitude information includes a pitch angle, a yaw angle, and a roll angle of the 6DOF head mounted display device.
Preferably, the shaking level is a degree of shaking felt by the wearer on the virtual screen, and the shaking level is divided into a primary shaking, a middle shaking, and an overload shaking.
Preferably, the method for adjusting the rendering effect parameters of the three-dimensional scene and the dynamic motion model comprises the following steps: the wearer selects a specific shaking level according to the shaking level option displayed on the 6DOF head-mounted display, and then adjusts the rendering effect of the virtual interactive picture to reduce the shaking degree of the wearer.
Preferably, the rendering effect parameters are picture delay, light intensity, luminous map subdivision, light buffering and picture dithering.
Preferably, the voice command of the wearer is collected and received through the voice input device.
Preferably, the generation and the verification of the voice model are carried out based on a deep learning algorithm, so as to obtain the instruction intention of the voice instruction of the wearer, and the corresponding action instruction is generated according to the instruction intention.
Preferably, the operation forms and the motion parameters of the two hands of the user are acquired through a camera on the top of the 6DOF head-mounted display, and each operation form corresponds to a unique operation instruction.
Preferably, the corresponding operation is performed on the virtual object in the virtual screen in accordance with an operation command corresponding to the two-hand operation form of the wearer.
The stereoscopic image interaction method based on the 6DOF head-mounted display has the following beneficial effects:
the method comprises the steps of constructing and rendering a virtual three-dimensional scene with high reality degree by collecting spatial position information and posture information of a wearer visual angle, and establishing a dynamic motion model for a dynamic object; the virtual scene is controlled by adopting voice instruction input and a two-hand operation form, so that the selectivity of user interaction experience is increased; meanwhile, the shaking rating is adopted, and the virtual scene rendering parameters are adjusted according to the shaking grade selected by the user, so that the user requirements are met, and the experience comfort level of the user is improved.
Drawings
Fig. 1 is a flowchart of a stereoscopic image interaction method based on a 6DOF head mounted display.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
According to an embodiment of the present application, referring to fig. 1, the stereoscopic image interaction method based on a 6DOF head-mounted display of the present solution includes:
s1, collecting the spatial position information and the posture information of the visual angle of the wearer;
s2, adjusting the posture information and the proportion parameter of the virtual object according to the relative relation between the space position information and the real scene, constructing and rendering a virtual three-dimensional scene, and establishing a dynamic motion model for the dynamic object;
s3, displaying the three-dimensional scene and the dynamic motion model on a virtual display interface;
s4, adjusting rendering effect parameters of the three-dimensional scene and the dynamic motion model according to the shaking grade of the displayed virtual picture;
s5, acquiring the operation forms of the two hands of the user, the action parameters of the two hands of the user and the input voice instructions;
and S6, performing virtual response of the three-dimensional scene based on the operation form, the operation parameters and the input voice command.
The above steps are described in detail below
S1, collecting spatial position information and posture information of the visual angle of the wearer;
at least two sets of cameras above the 6DOF head-mounted display can rotate and deflect, and the spatial information of the user visual angle is shot based on the two rotatable cameras.
The attitude information includes a pitch angle, a yaw angle, and a roll angle of the 6DOF head mounted display device, i.e., a pitch angle, a yaw angle, and a roll angle when the 6DOF head mounted display device is worn by the user, for reflecting the attitude information of the user in the virtual environment.
Step S2, adjusting the posture information and the proportion parameter of the virtual object according to the relative relation between the space position information and the real scene, constructing and rendering a virtual three-dimensional scene, and establishing a dynamic motion model for the dynamic object;
and S1, acquiring the user posture information and the spatial position information, and further adjusting the posture information and the proportional parameter of the virtual object according to the relative relationship between the spatial position information and the real scene, so that the posture of the user in the virtual environment is closer to the real value and better conforms to the virtual environment.
Because the coordinate system on which the camera depends on shooting is a spatial coordinate system, the virtual environment and the reality interaction depend on a virtual display interface coordinate system, and the two coordinate systems are independent of each other, the spatial position information and the posture information acquired by at least two groups of cameras need to be converted into the virtual position information under the virtual reality display interface.
And then a virtual three-dimensional scene for human-computer interaction is constructed, and the three-dimensional scene is rendered to restore a real environment with high reality degree.
And establishing a dynamic motion model for the dynamic object, converting the attitude information and the spatial position information of the dynamic object into virtual position information under a virtual reality display interface, and simultaneously superposing and constructing the dynamic object in a virtual three-dimensional scene.
S3, displaying the three-dimensional scene and the dynamic motion model on a virtual display interface;
the virtual scene constructed in step S2 is displayed on a 6DOF head-mounted display, and a user can interact with the virtual scene in real time through the display while wearing the 6DOF head-mounted device.
S4, adjusting rendering effect parameters of the three-dimensional scene and the dynamic motion model according to the shaking grade of the displayed virtual picture;
the shaking grade is the shaking degree of the wearer on the virtual picture, and different users can feel different even facing the same virtual scene; therefore, the shaking grade is divided, multi-grade division can be performed according to the shaking grade, the scheme only divides three grades, and the scheme is primarily shaken, medium-grade shaken and overloaded shaken.
Wherein the primary shake is a shake or shake range that the user can endure.
The intermediate level of shaking is still within acceptable limits, but the user has been able to clearly perceive the shaking brought about by the current virtual environment.
The overload shaking exceeds the bearing range of the user, and phenomena of dizziness, vomiting and the like can be caused seriously.
The user can display the shaking grade of the virtual scene in the three-dimensional scene according to actual requirements through the operation forms of the two hands or/and the input voice commands, and selects the specific shaking grade according to the current feeling of the user.
Adjusting rendering effect parameters of the three-dimensional scene and the dynamic motion model according to the shaking grade of the specific three-dimensional scene selected by the user; to slow down the shaking degree of the user; rendering effect parameters picture delay, light intensity, luminous map subdivision, light buffering and picture dithering.
Step S5, obtaining the operation forms of the two hands of the user, the action parameters and the input voice instructions;
the input instructions comprise two-hand shape instructions of the user and voice instructions of the user, and information interaction of the virtual scene is achieved through the two-hand shape instructions and the voice instructions.
The voice instruction acquisition and acquisition performed by the voice input device may be an MIC, which is not limited herein.
The collected and obtained voice instruction is generated and checked based on a deep learning algorithm to obtain an instruction intention of the voice instruction of the wearer, and a corresponding action instruction is generated according to the instruction intention and acts on a virtual scene.
The operation forms and the action parameters of the two hands of the user are acquired through a camera at the top of the 6DOF head-mounted display, each operation form corresponds to a unique operation instruction, and each operation instruction corresponds to a unique virtual scene instruction.
Step S6 is to perform a virtual response of the three-dimensional scene based on the operation form, the operation parameters thereof, and the input voice command.
And acquiring the voice instruction and the operation form instruction in the step S5, and converting the instruction into a corresponding operation instruction in the virtual scene, thereby implementing the correspondence of the virtual scene.
The method comprises the steps of constructing and rendering a virtual three-dimensional scene with high reality degree by collecting spatial position information and posture information of a wearer visual angle, and establishing a dynamic motion model for a dynamic object; the virtual scene is controlled by adopting voice instruction input and a two-hand operation form, so that the selectivity of user interaction experience is increased; meanwhile, the shaking rating is adopted, and the virtual scene rendering parameters are adjusted according to the shaking grade selected by the user, so that the user requirements are met, and the experience comfort level of the user is improved.
While the embodiments of the invention have been described in detail in connection with the accompanying drawings, it is not intended to limit the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (10)
1. A method for stereoscopic image interaction based on a 6DOF head mounted display, comprising:
s1, collecting the spatial position information and the posture information of the visual angle of the wearer;
s2, adjusting the posture information and the proportion parameter of the virtual object according to the relative relation between the space position information and the real scene, constructing and rendering a virtual three-dimensional scene, and establishing a dynamic motion model for the dynamic object;
s3, displaying the three-dimensional scene and the dynamic motion model on a virtual display interface;
s4, adjusting rendering effect parameters of the three-dimensional scene and the dynamic motion model according to the shaking grade of the displayed virtual picture;
s5, acquiring the operation forms of the two hands of the user, the action parameters of the two hands of the user and the input voice instructions;
and S6, performing virtual response of the three-dimensional scene based on the operation form, the operation parameters and the input voice command.
2. The method for 6DOF head mounted display based stereoscopic image interaction according to claim 1, wherein: the spatial position information is visual angle spatial image information shot by at least two groups of cameras positioned above the 6DOF head-mounted display.
3. The method for 6DOF head mounted display based stereoscopic image interaction according to claim 1, wherein: the attitude information includes a pitch angle, a yaw angle, and a roll angle of the 6DOF head mounted display device.
4. The method for 6DOF head mounted display based stereoscopic image interaction according to claim 1, wherein: the shaking grade is a shaking degree that a wearer feels about the virtual picture, and the shaking grade is divided into primary shaking, intermediate shaking and overload shaking.
5. The method for 6DOF head mounted display based stereoscopic image interaction according to claim 1, wherein the method of adjusting rendering effect parameters of the three-dimensional scene and the dynamic motion model is: the wearer selects a specific shaking level according to the shaking level option displayed on the 6DOF head-mounted display, and then adjusts the rendering effect of the virtual interactive picture to reduce the shaking degree of the wearer.
6. The method of 6DOF head mounted display based stereoscopic image interaction according to claim 5, wherein the rendering effect parameters are picture delay, light intensity, luminous map subdivision, light buffering, and picture dithering.
7. The method for 6DOF head mounted display based stereoscopic image interaction according to claim 1, wherein the voice command of the wearer is collected and received through a voice input device.
8. The method for 6DOF head-mounted display-based stereoscopic image interaction according to claim 7, wherein the generation and verification of the voice model are performed based on a deep learning algorithm, an instruction intention of the voice instruction of the wearer is obtained, and a corresponding action instruction is generated according to the instruction intention.
9. The method for stereoscopic image interaction based on a 6DOF head mounted display according to claim 1, wherein the operation forms and the motion parameters of both hands of the user are acquired through a camera at the top of the 6DOF head mounted display, and each operation form corresponds to a unique operation instruction.
10. The method for stereoscopic image interaction based on a 6DOF head mounted display according to claim 9, wherein the corresponding operation is performed on the virtual object in the virtual screen in accordance with an operation instruction corresponding to a two-handed operation form of the wearer.
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| CN114866757B (en) * | 2022-04-22 | 2024-03-05 | 深圳市华星光电半导体显示技术有限公司 | Stereoscopic display system and method |
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