CN112312116A - VR image display method and device automatically adaptive to mobile equipment - Google Patents
VR image display method and device automatically adaptive to mobile equipment Download PDFInfo
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- CN112312116A CN112312116A CN202010649071.XA CN202010649071A CN112312116A CN 112312116 A CN112312116 A CN 112312116A CN 202010649071 A CN202010649071 A CN 202010649071A CN 112312116 A CN112312116 A CN 112312116A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/163—Wearable computers, e.g. on a belt
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
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Abstract
According to the invention, the image pixel information is determined by combining the size information of the known VR glasses box and the mobile equipment, so that the VR image display meets the condition that the center of the left (right) lens of the VR glasses box and the center of the left (right) screen of the mobile equipment are on the same straight line, for the specific VR glasses box with simple structure and low cost, a user does not need to adjust a complex hardware adjusting mechanism and actively carry out software adjustment, after the mobile phone is placed in the VR glasses box, the display of the VR image is automatically adapted to the corresponding mobile phone, the manual adjustment time is saved for the user, and better viewing experience is provided for the user.
Description
Technical Field
The invention relates to the technical field of virtual reality, in particular to a VR image display method and device automatically adaptive to mobile equipment.
Technical Field
VR devices, which may also be referred to as virtual reality glasses, can provide immersive visual experience to the wearer, greatly enhancing gaming and video experience. Divide according to the hardware form of present VR equipment, VR equipment mainly divide into three: remove end and show equipment, external head-mounted device and the first equipment that shows of integral type, wherein, remove end and show equipment also be so-called VR glasses box, simple structure, low price, as long as put into the cell-phone can watch convenient to use. However, the same VR glasses box is not adapted to different mobile phones, and the lens center and the center of the mobile phone screen (after splitting screen) are not on the same line, so that the visual effect is poor.
Disclosure of Invention
The present invention has been made in view of the above problems.
According to an aspect of the present invention, there is provided a VR image display method automatically adapted to a mobile device, comprising,
step one, obtaining a VR mode playing instruction;
step two, obtaining mobile equipment information; wherein the mobile device information comprises a screen physical size and a screen display resolution;
determining screen pixel information of the mobile equipment according to the size information of the VR glasses box and the mobile equipment information, wherein the screen pixel information of the mobile equipment comprises central pixel coordinates of left and right eye images;
and fourthly, displaying the VR image according to the screen pixel information of the mobile equipment.
Further, the size information of the VR glasses box comprises a center distance of two lenses, a distance from the center of the lens to the bottom edge of the VR glasses box, and relative positions of the lenses and the mobile device.
Further, determining screen pixel information of the mobile device according to the size information of the VR glasses box and the mobile device information, the calculation method comprises,
determining that a vertical bisector of a central connecting line of the two lenses and a vertical bisector of a long side of the mobile device are on the same plane according to the relative positions of the lenses and the mobile device, wherein the plane is perpendicular to a plane determined by the two lenses of the VR glasses box;
determining a physical distance A of the centers of the left eye image and the right eye image according to the center distance of the two lenses of the VR glasses box;
determining a physical distance B from the center of the left eye image and the center of the right eye image to the long side of the mobile equipment according to the distance from the center of the lens of the VR glasses box to the bottom side of the VR glasses box;
and acquiring the center pixel coordinates of the left eye image and the right eye image in an image coordinate system by combining the physical distance A, the physical distance B, the physical size of the screen of the mobile equipment and the screen display resolution.
Further, the mobile device information also includes a physical size of the mobile device.
Further, the coordinates of the center pixels of the left and right eye images are acquired by calculation in combination with the physical size of the mobile device.
Further, the mobile device information includes a mobile device model.
Further, determining screen pixel information of the mobile device according to the mobile device information, including searching corresponding screen pixel information in a preset comparison table according to the model of the mobile device; the preset comparison table has a comparison relationship that the left end is the model of the mobile device, and the right end is the pixel information of the screen of the mobile device.
Further, the comparison relation of the preset comparison table is obtained by calculating the size information of the VR glasses box and the physical size, the screen physical size and the screen display resolution which are uniquely determined by the model of the mobile device.
According to another aspect of the present invention, there is provided a VR image display apparatus automatically adaptable to a mobile device, including,
the device comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a VR mode playing instruction and acquiring mobile equipment information, and the mobile equipment information comprises the physical size and the display resolution of a screen of the mobile equipment;
the computing module is used for determining screen pixel information of the mobile equipment according to the size information of the VR glasses box and the mobile equipment information, wherein the screen pixel information of the mobile equipment comprises center pixel coordinates of left and right eye images, and the size information of the VR glasses box comprises the center distance between two lenses, the distance from the lens center to the bottom edge of the VR glasses box, and the relative positions of the lenses and the mobile equipment; the calculation method for determining the screen pixel information of the mobile device comprises the steps of determining that a vertical bisector of a central connecting line of two lenses and a vertical bisector of a long side of the mobile device are on the same plane according to the relative positions of the lenses and the mobile device, wherein the plane is perpendicular to a plane determined by the two lenses of the VR glasses box; determining a physical distance A of the centers of the left eye image and the right eye image according to the center distance of the two lenses of the VR glasses box; determining a physical distance B from the center of the left eye image and the center of the right eye image to the long side of the mobile equipment according to the distance from the center of the lens of the VR glasses box to the bottom side of the VR glasses box; acquiring the central pixel coordinates of the left eye image and the right eye image in an image coordinate system by combining the physical distance A, the physical distance B, the physical size of the screen of the mobile equipment and the screen display resolution;
and the display module is used for displaying the VR image according to the screen pixel information of the mobile equipment.
The mobile equipment further comprises a searching module, wherein the searching module is used for determining screen pixel information of the mobile equipment according to the mobile equipment information, and the mobile equipment information is a mobile equipment model; the method for determining the screen pixel information of the mobile equipment comprises the steps of searching corresponding screen pixel information in a preset comparison table according to the model of the mobile equipment; the preset comparison table has a comparison relationship that the left end is the model of the mobile device and the right end is the screen pixel information of the mobile device.
Further, the comparison system comprises a preset comparison table calculation module, wherein the preset comparison table calculation module is used for calculating the comparison relation of the preset comparison table according to the size information of the VR glasses box and the uniquely determined physical size, screen physical size and screen display resolution of the mobile device model.
The VR image display method and the device automatically adaptive to the mobile equipment determine the central pixel of the left (right) screen image on the mobile equipment by combining the size information of the known VR glasses box and the mobile equipment, so that the VR image display meets the condition that the center of the left (right) lens of the VR glasses box and the center of the left (right) screen on the mobile equipment are on the same straight line, namely the VR glasses box is corresponding to the specific VR glasses box with simple structure and low cost, a user does not need to adjust a complex hardware adjusting mechanism and actively carry out software adjustment, the display of the VR image automatically adapts to the corresponding mobile equipment, the manual adjusting time is saved for the user, and better viewing experience is provided for the user.
Drawings
The invention may be better understood by referring to the following description in conjunction with the accompanying drawings, in which like reference numerals are used throughout the figures to indicate like or similar parts. The accompanying drawings, which are incorporated in and form a part of this specification, illustrate preferred embodiments of the present invention and, together with the detailed description, serve to further explain the principles and advantages of the invention.
Fig. 1 shows a schematic flow diagram of a VR image display method automatically adapted to a mobile device according to an embodiment of the invention;
fig. 2 shows a schematic block diagram of a VR image display apparatus automatically adapted to a mobile device according to an embodiment of the present invention.
Skilled artisans appreciate that elements in the figures are illustrated for simplicity and clarity and have not necessarily been drawn to scale. For example, the dimensions of some of the elements in the figures may be exaggerated relative to other elements to help improve the understanding of the embodiments of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described hereinafter with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in the specification. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure. It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the device structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
An embodiment of the present invention provides a VR image display method automatically adapted to a mobile device, and fig. 1 shows a schematic flowchart of a VR image display method automatically adapted to a mobile device according to an embodiment of the present invention. The method comprises the steps of (1) carrying out,
step S110, obtaining a VR mode playing instruction;
step S120, obtaining mobile equipment information; the mobile equipment information comprises a screen physical size and a screen display resolution;
according to the embodiment of the invention, the physical size of the screen of the mobile device can be calculated according to the diagonal size of the screen and the display resolution of the screen, the diagonal size of the screen of the mobile phone is, for example, 6.0inch, the display resolution of the screen of the mobile phone is, for example, 1920px (pixels) × 1080 px (pixels), and the physical size of the screen of the mobile phone, namely, the length and the width of the screen (the unit is centimeter or millimeter) can be obtained according to the pythagorean theorem.
Step S130, determining screen pixel information of the mobile equipment according to the size information of the VR glasses box and the mobile equipment information, wherein the screen pixel information of the mobile equipment comprises central pixel coordinates of left and right eye images;
according to an embodiment of the invention, the size information of the VR glasses box is known, including the center distance of the two lenses, the distance from the center of the lens to the bottom edge of the VR glasses box, and the relative positions of the lens and the mobile device. As an example, known VR glasses boxes may be Cardboard a, Cardboard B, GearVR, etc.
Specifically, determining screen pixel information for the mobile device includes,
step S310, determining that a perpendicular bisector of a central connecting line of the two lenses and a perpendicular bisector of a long side of the mobile device are on a plane according to the relative positions of the lenses and the mobile device, wherein the plane is perpendicular to a plane determined by the two lenses of the VR glasses box;
the mobile phone can be explained to be horizontally placed at the mobile phone placing position of the VR glasses box in a bilateral symmetry mode.
Step S320, determining a physical distance A of the centers of the left eye image and the right eye image according to the center distance of the two lenses of the VR glasses box;
step S330, determining a physical distance B from the center of the left eye image and the center of the right eye image to the long edge of the mobile equipment according to the distance from the lens center of the VR glasses box to the bottom edge of the VR glasses box;
and step S340, combining the physical distance A, the physical distance B, the physical size of the screen of the mobile device and the display resolution of the screen to obtain the central pixel coordinates of the left eye image and the right eye image in an image coordinate system.
After determining the screen pixel information of the mobile device, step S140 is performed to display a VR image according to the screen pixel information of the mobile device.
According to the method, the size information of the VR glasses box and the mobile equipment is combined to determine the image pixel information, so that the VR image display meets the condition that the center of the left (right) lens of the VR glasses box and the center of the left (right) screen of the mobile equipment are on the same straight line, for the specific VR glasses box with a simple structure and low cost, a user does not need to adjust a complex hardware adjusting mechanism and actively adjust software, after the mobile phone is placed in the VR glasses box, the display of the VR image is automatically adapted to the corresponding mobile phone, the manual adjusting time is saved for the user, and better viewing experience is provided for the user.
Further, according to the embodiment of the present invention, in the case that the physical size of the mobile device is different from the physical size of the screen, for example, in the case that the mobile phone is a non-full screen, in step S340, the coordinates of the center pixel of the left and right eye images need to be calculated and obtained in combination with the physical size of the mobile device.
Further, according to the embodiment of the present invention, the mobile device information may be obtained in advance according to the model of the mobile device, and the mobile device information includes a screen physical size, a screen display resolution, and a mobile device physical size; pre-calculating according to the size information of the VR glasses box and the mobile equipment information to obtain screen pixel information of the mobile equipment; and generating a preset comparison table according to the model of the mobile equipment and the pre-calculated pixel information of the screen of the mobile equipment, wherein the comparison relationship of the preset comparison table is that the model of the mobile equipment is at the left end, and the pixel information of the screen of the mobile equipment is at the right end.
When the acquired mobile equipment information only comprises the mobile equipment model, the corresponding screen pixel information can be searched in the preset comparison table according to the mobile equipment model.
Another embodiment of the present invention is directed to a VR image display apparatus automatically adaptable to a mobile device, and fig. 2 is a schematic block diagram illustrating a VR image display apparatus automatically adaptable to a mobile device according to an embodiment of the present invention. The device comprises a plurality of devices which are connected with each other,
the obtaining module 110 is configured to obtain a VR mode playing instruction and obtain mobile device information, where the mobile device information includes a physical size of a screen of the mobile device and a screen display resolution;
the calculating module 120 is configured to determine screen pixel information of the mobile device according to size information of the VR glasses box and the mobile device information, where the screen pixel information of the mobile device includes center pixel coordinates of left and right eye images, and the size information of the VR glasses box includes a center distance between two lenses, a distance from a lens center to a bottom edge of the VR glasses box, and a relative position between the lens and the mobile device; determining that a vertical bisector of a central connecting line of the two lenses and a vertical bisector of a long side of the mobile equipment are on a plane according to the relative positions of the lenses and the mobile equipment, wherein the plane is vertical to a plane determined by the two lenses of the VR glasses box; determining a physical distance A of the centers of the left eye image and the right eye image according to the center distance of the two lenses of the VR glasses box; determining a physical distance B from the center of the left eye image and the center of the right eye image to the long edge of the mobile equipment according to the distance from the center of the lens of the VR glasses box to the bottom edge of the VR glasses box; acquiring central pixel coordinates of left and right eye images in an image coordinate system by combining the physical distance A, the physical distance B, the physical size of a mobile device screen and the screen display resolution;
and a display module 130, configured to display a VR image according to the screen pixel information of the mobile device.
Further, the mobile terminal further comprises a searching module 140, wherein the searching module 140 is configured to determine screen pixel information of the mobile device according to the mobile device information, where the mobile device information is a mobile device model; the method for determining the screen pixel information of the mobile equipment comprises the steps of searching corresponding screen pixel information in a preset comparison table according to the model of the mobile equipment; the preset comparison table has a comparison relationship that the left end is the model of the mobile device and the right end is the screen pixel information of the mobile device.
Further, the comparison system further comprises a preset comparison table calculation module 150, and the preset comparison table calculation module 150 is configured to calculate the comparison relationship of the preset comparison table through the size information of the VR glasses box and the physical size, the screen physical size, and the screen display resolution uniquely determined by the mobile device model.
While the invention has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this description, will appreciate that other embodiments can be devised which do not depart from the scope of the invention as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The present invention has been disclosed in an illustrative rather than a restrictive sense, and the scope of the present invention is defined by the appended claims.
Claims (10)
1. A VR image display method that automatically adapts to a mobile device, comprising,
step one, obtaining a VR mode playing instruction;
step two, obtaining mobile equipment information; wherein the mobile device information comprises a screen physical size and a screen display resolution;
determining screen pixel information of the mobile equipment according to the size information of the VR glasses box and the mobile equipment information, wherein the screen pixel information of the mobile equipment comprises central pixel coordinates of left and right eye images;
and fourthly, displaying the VR image according to the screen pixel information of the mobile equipment.
2. The method of claim 1, wherein the information about the size of the VR glasses box includes a distance between centers of two lenses, a distance from a center of a lens to a bottom of the VR glasses box, and a relative position of a lens and the mobile device.
3. The VR image display method of claim 1, wherein screen pixel information of the mobile device is determined from size information of a VR glasses box and the mobile device information, the computing method includes,
determining that a vertical bisector of a central connecting line of the two lenses and a vertical bisector of a long side of the mobile device are on the same plane according to the relative positions of the lenses and the mobile device, wherein the plane is perpendicular to a plane determined by the two lenses of the VR glasses box;
determining a physical distance A of the centers of the left eye image and the right eye image according to the center distance of the two lenses of the VR glasses box;
determining a physical distance B from the center of the left eye image and the center of the right eye image to the long side of the mobile equipment according to the distance from the center of the lens of the VR glasses box to the bottom side of the VR glasses box;
and acquiring the center pixel coordinates of the left eye image and the right eye image in an image coordinate system by combining the physical distance A, the physical distance B, the physical size of the screen of the mobile equipment and the screen display resolution.
4. The VR image display method of claim 3 automatically adapting to a mobile device, wherein the mobile device information further includes a physical size of the mobile device.
5. The VR image display method of claim 4, wherein the coordinates of the center pixels of the left and right eye images are obtained by calculation in combination with the physical dimensions of the mobile device.
6. The VR image display method of claim 1 automatically adapting to a mobile device, wherein the mobile device information includes a mobile device model.
7. The VR image display method of claim 6, wherein determining screen pixel information for the mobile device based on the mobile device information includes looking up corresponding screen pixel information in a preset look-up table based on the mobile device model; the preset comparison table has a comparison relationship that the left end is the model of the mobile device, and the right end is the pixel information of the screen of the mobile device.
8. The method of claim 7, wherein the predetermined lookup table is calculated from the size information of the VR glasses box and the physical size, the screen physical size and the screen display resolution uniquely determined by the model of the mobile device.
9. A VR image display apparatus that automatically adapts to a mobile device, comprising,
the device comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a VR mode playing instruction and acquiring mobile equipment information, and the mobile equipment information comprises the physical size and the display resolution of a screen of the mobile equipment;
the computing module is used for determining screen pixel information of the mobile equipment according to the size information of the VR glasses box and the mobile equipment information, wherein the screen pixel information of the mobile equipment comprises center pixel coordinates of left and right eye images, and the size information of the VR glasses box comprises the center distance between two lenses, the distance from the lens center to the bottom edge of the VR glasses box, and the relative positions of the lenses and the mobile equipment; the calculation method for determining the screen pixel information of the mobile device comprises the steps of determining that a vertical bisector of a central connecting line of two lenses and a vertical bisector of a long side of the mobile device are on the same plane according to the relative positions of the lenses and the mobile device, wherein the plane is perpendicular to a plane determined by the two lenses of the VR glasses box; determining a physical distance A of the centers of the left eye image and the right eye image according to the center distance of the two lenses of the VR glasses box; determining a physical distance B from the center of the left eye image and the center of the right eye image to the long side of the mobile equipment according to the distance from the center of the lens of the VR glasses box to the bottom side of the VR glasses box; acquiring the central pixel coordinates of the left eye image and the right eye image in an image coordinate system by combining the physical distance A, the physical distance B, the physical size of the screen of the mobile equipment and the screen display resolution;
and the display module is used for displaying the VR image according to the screen pixel information of the mobile equipment.
10. The VR image display apparatus of claim 9 further comprising a lookup module and a pre-set lookup table calculation module,
the searching module is used for determining screen pixel information of the mobile equipment according to the mobile equipment information, wherein the mobile equipment information is the model of the mobile equipment; the method for determining the screen pixel information of the mobile equipment comprises the steps of searching corresponding screen pixel information in a preset comparison table according to the model of the mobile equipment; the comparison relation of the preset comparison table is that the left end is the mobile equipment model, and the right end is the mobile equipment screen pixel information;
and the preset comparison table calculation module is used for calculating the comparison relation of the preset comparison table through the size information of the VR glasses box and the physical size, the screen physical size and the screen display resolution which are uniquely determined by the mobile equipment model.
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