CN110308560B - Control method of VR equipment - Google Patents
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
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- G—PHYSICS
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- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
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Abstract
The invention provides a control method of VR equipment, which comprises the following steps: establishing a rectangular coordinate system in a first plane, and calibrating a left-eye central coordinate (x) in the rectangular coordinate system 1 ，y 1 ) And the center coordinates (x) of the right eye 2 ，y 2 ) (ii) a According to standard diopter D 0L Calculating the distance R of the far point of the left eye from the initial distance L (ii) a According to standard diopter D 0R Calculating the distance R of the far point of the right eye from the initial distance R (ii) a Obtaining the coordinates (x) of the intersection point of the left-eye vision range and the right-eye vision range e ，y e ) (ii) a Moving the display screen so that the centre point of the display screen falls at said intersection point coordinate (x) e ，y e ). The control method of the VR equipment adjusts the position of the display screen according to different myopia degrees of two eyes of a user, the user can enjoy the film watching effect of the VR equipment without wearing myopia glasses, the comfort of wearing the VR equipment is enhanced, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of head-mounted display equipment, in particular to a control method of VR equipment.
Background
The head mounted display device includes: virtual Reality (VR) displays such as those manufactured by Sony, Samsung, Oculus, CarlZeiss; head Mounted Displays (HMDs), such as those produced by Google and Vuzix; augmented Reality (AR) displays, such as those manufactured by Microsoft, Vuzix, and DigiLens; and hybrid enhancement (MR) and other similar devices. The most important experience of the equipment for the user is visual 'immersion', picture contents completely cover the visual field of the user and are not interfered by a real environment, the picture contents are immersed in another world as if the picture contents are immersed in the other world, the principle is that a virtual image of an electronic image is generated on the same side of an electronic screen through two convex lenses, the user sees a virtual image larger than an actual electronic image through the convex lenses, the virtual image is very close to the eyes of the user, and the electronic image covers the visual field of the user.
Although the head-mounted display device can provide people with an immersive immersion feeling, the virtual images of the electronic images are closer to eyeballs, VR devices in the market are not friendly to users with short-sighted eyes, and although some VR devices take this into account, the short-sighted degrees of the users are different, and the degrees of the left eye and the right eye are different, so that all users are difficult to take care of.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problem that the head-mounted display equipment on the market at present does not have an effective solution to the problem of insufficient optimization of users with short-sighted eyes, the invention provides a control method of VR equipment to solve the problem.
The technical scheme adopted by the invention for solving the technical problem is as follows: a method of controlling a VR device, comprising the steps of:
establishing a rectangular coordinate system on a first plane, and calibrating a left-eye central coordinate (x) in the rectangular coordinate system 1 ，y 1 ) And the center coordinates (x) of the right eye 2 ，y 2 )；
Obtaining the standard diopter D of the left eye of the user 0L And the standard diopter D of the right eye 0R ；
According to standard diopter D 0L Calculating the distance R of the far point of the left eye from the initial distance L ；
According to standard diopter D 0R Calculating the distance R of far point of right eye from the initial distance R ；
With the left eye center coordinate (x) 1 ，y 1 ) As the center of circle, the distance R of the far point of the left eye L The vision range of the left eye is drawn as a circle with a radius, and the central coordinate (x) of the right eye is used 2 ，y 2 ) As the center of circle, the distance R of the far point of the left eye R Drawing a circular right-eye vision range for the radius, and obtaining the intersection point coordinate (x) of the left-eye vision range and the right-eye vision range e ，y e )；
Moving the display screen so that the center point of the display screen falls on the intersection point coordinate (x) e ，y e )。
As a preference, the first and second liquid crystal compositions are,
the displayThe starting position coordinate of the central point of the display screen is (x) 0 ，y 0 ) Wherein x is 0 ＝0，y 1 ＝y 2 ＝0，x 1 ＝-x 2 ；
The initial distance between the left eye and the center point of the display screen is
The initial distance between the right eye and the center point of the display screen is
R L ＝Lμ/D 0L ；
R R ＝Lμ/D 0R Where μ is a predetermined coefficient.
Preferably, the method further comprises the following steps:
obtaining the pupil distance P of the user, and adjusting the distance between the two lenses to enable | x 1 -x 2 |＝P。
Preferably, the method further comprises the following steps: establishing a user database, wherein at least one user data is stored in the user database, and the user data comprises an ID number, identity information, age F, pupil distance P and standard diopter D of a left eye 0L And the standard diopter D of the right eye 0R The identity information includes a string of characters, voiceprint data, fingerprint data, and/or iris data.
Preferably, the method further comprises the following steps: acquiring verification information, verifying the verification information and the identity information in the user data, and taking out and using the age F, the interpupillary distance P and the standard diopter D of the left eye in the user data after the verification is passed 0L And the standard diopter D of the right eye 0R 。
The control method of the VR equipment has the advantages that the position of the display screen is adjusted according to different myopia degrees of two eyes of a user, the user can enjoy the film watching effect of the VR equipment without wearing myopia glasses, the comfort of wearing the VR equipment is enhanced, and the user experience is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a flowchart illustrating a preferred embodiment of a control method of a VR device of the present invention.
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 reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps in the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
As shown in fig. 1, the present invention provides a control method of a VR device, including the steps of:
a rectangular coordinate system is established on the first plane, after a user wears VR equipment, the user looks straight at the display screen through two eyes, the sight lines of the two eyes are perpendicular to the display screen, the sight lines of the two eyes are parallel to each other at the moment, and the plane where the sight lines of the two eyes are located is the first plane. Calibrating left eye center coordinate (x) in rectangular coordinate system 1 ，y 1 ) And the center coordinates (x) of the right eye 2 ，y 2 ) The starting position coordinate of the center point of the display screen in this example is (x) 0 ，y 0 ) Wherein x is 0 ＝0，y 1 ＝y 2 ＝0，x 1 ＝-x 2 ；
The initial distance between the left eye and the center point of the display screen is
The initial distance between the right eye and the center point of the display screen is
Obtaining the standard diopter D of the left eye of the user 0L And the standard diopter D of the right eye 0R (ii) a In one example, the standard diopter D of the left eye of the user is given 0L And the standard diopter D of the right eye 0R The data are stored in a memory of the VR device, and the control chip directly calls the data from the memory; in another example, the standard diopter D of the left eye 0L And the standard diopter D of the right eye 0R Is stored in a server and is stored in a server,the server is accessed to the Internet, the head-mounted display equipment is also accessed to the Internet, and the server calls the head-mounted display equipment and the head-mounted display equipment from the server;
according to standard diopter D 0L And calculating the distance R of the far point of the left eye from the initial distance L ：R L ＝Lμ/D 0L ；
According to standard diopter D 0R Calculating the distance R of far point of right eye from the initial distance R ：R R ＝Lμ/D 0R Where μ is a predetermined coefficient.
With the left eye center coordinate (x) 1 ，y 1 ) As the center of circle, the distance R of the far point of the left eye L The vision range of the left eye is drawn as a circle by the radius, and the central coordinate (x) of the right eye is used 2 ，y 2 ) As the center of circle, the distance R of the far point of the left eye R Drawing a circular right-eye vision range for the radius, and obtaining the intersection point coordinate (x) of the left-eye vision range and the right-eye vision range e ，y e )；
Moving the display screen so that the center point of the display screen falls at the intersection point coordinate (x) e ，y e )。
According to other embodiments, the interpupillary distance P of the user is obtained, and the distance between the two lenses is adjusted to | x 1 -x 2 |＝P。
Further comprising the steps of: establishing a user database, wherein at least one piece of user data is stored in the user database, and the user data comprises an ID number, identity information, age F, interpupillary distance P and standard diopter D of a left eye 0L And the standard diopter D of the right eye 0R The identity information includes a string of characters, voiceprint data, fingerprint data, and/or iris data. The user registers when using the device at first, the user inputs identity information, such as character string, voiceprint data, fingerprint data and/or iris data, the ID number can be selected by the user or generated by the system, the ID number is bound with the identity information, the character string can be number, capital and small English letters, symbols or the combination form thereof, the voiceprint data is collected by a microphone, the fingerprint data is collected by a fingerprint sensor, the iris data is collected by a camera, after the user registers, the user can input year through a control interface of the device, such as the control interface of a mobile phoneAge F, pupil distance P, standard diopter D of left eye 0L And the standard diopter D of the right eye 0R The user can also adjust his age F, pupil distance P, and standard diopter D of his left eye 0L And the standard diopter D of the right eye 0R Inputting and uploading the data to a server through other electronic equipment, and acquiring the data from the server through the head-mounted display equipment; the user starts the equipment, the equipment collects verification information (voiceprint data, fingerprint data or iris data collected by the equipment) or the user inputs a character string password into the equipment, the verification information and identity information in the user data are verified, and after verification is passed, the verification information is taken out and the age F, the interpupillary distance P and the standard diopter D of the left eye in the user data are used 0L And the standard diopter D of the right eye 0R 。
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A control method of a VR device, comprising the steps of:
establishing a rectangular coordinate system on a first plane, and calibrating a left-eye central coordinate (x) in the rectangular coordinate system 1 ，y 1 ) And the center coordinates (x) of the right eye 2 ，y 2 )；
Obtaining the standard diopter D of the left eye of the user 0L And the standard diopter D of the right eye 0R ；
According to standard diopter D 0L Calculating the distance R of the far point of the left eye from the initial distance L ；
According to standard diopter D 0R Calculating the distance R of far point of right eye from the initial distance R ；
With the left eye center coordinate (x) 1 ，y 1 ) Distance R of far point of left eye as center of circle L The vision range of the left eye is drawn as a circle with a radius, and the central coordinate (x) of the right eye is used 2 ，y 2 ) Distance R between far point of right eye and center of circle R Drawing a circular right-eye vision range for the radius, and obtaining the intersection point coordinate (x) of the left-eye vision range and the right-eye vision range e ，y e )；
Moving the display screen so that the centre point of the display screen falls at said intersection point coordinate (x) e ，y e )；
The initial position coordinate of the central point of the display screen is (x) 0 ，y 0 ) Wherein x is 0 ＝0，y 1 ＝y 2 ＝0，x 1 ＝-x 2 ；
The initial distance between the left eye and the center point of the display screen is
The initial distance between the right eye and the center point of the display screen is
R L ＝Lμ/D 0L ；
R R ＝Lμ/D 0R Where μ is a predetermined coefficient.
2. The method of controlling a VR device of claim 1, further comprising the steps of:
obtaining the pupil distance P of the user, and adjusting the distance between the two lenses to enable | x 1 -x 2 |＝P。
3. The method of controlling a VR device of claim 2, wherein: further comprising the steps of: establishing a user database, wherein at least one user data is stored in the user database, and the user data comprises an ID number, identity information, age F, pupil distance P and standard diopter D of a left eye 0L And the standard diopter D of the right eye 0R The identity information includes a string of characters, voiceprint data, fingerprint data, and/or iris data.
4. The method of controlling a VR device of claim 3, wherein: further comprising the steps of: acquiring verification information, verifying the verification information and the identity information in the user data, and taking out and using the age F, the interpupillary distance P and the standard diopter D of the left eye in the user data after the verification is passed 0L And the standard diopter D of the right eye 0R 。
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