CN118363459A - VR equipment and control method thereof - Google Patents
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- CN118363459A CN118363459A CN202410491495.6A CN202410491495A CN118363459A CN 118363459 A CN118363459 A CN 118363459A CN 202410491495 A CN202410491495 A CN 202410491495A CN 118363459 A CN118363459 A CN 118363459A
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- 238000002310 reflectometry Methods 0.000 claims description 9
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Abstract
The invention discloses VR equipment and a control method thereof, wherein the VR equipment comprises the following steps: a light reflecting plate is arranged on the surface of the VR handle and is used for generating a mirror image for the finger; the camera of the VR headset is used for shooting an operation image of the finger on or above the light reflecting plate; a controller for: receiving a current operation image; analyzing the current operation image to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system; forming a preset three-dimensional coordinate system by the plane where the light reflecting plate is positioned and the normal line of the light reflecting plate; confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by a display; and when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information. The embodiment of the invention can directly display the corresponding current key information to the picture projected by the display, does not need a user to shake the handle in a large amount, and is convenient and quick.
Description
Technical Field
The invention relates to the technical field of VR (virtual reality), in particular to VR equipment and a control method thereof.
Background
VR (Virtual Reality) technology has been accepted more and more in recent years, and people can experience the most realistic sensation in the Virtual Reality world, which simulates the Reality of the environment and the difficulty in distinguishing the Reality world, and makes people feel as if they were in the scene.
At present, a virtual keyboard is projected in a VR picture through a VR handle, then the VR handle is operated to shake left, right, up and down, characters on the virtual keyboard are pointed in a flashlight-like manner, and then keys on the handle are pressed for interaction, however, the manner requires a great deal of shaking of the handle by a user, so that interaction cannot be conveniently performed.
Disclosure of Invention
The invention provides VR equipment and a control method thereof, which are used for solving the problem that in the prior art, a user needs to shake a handle in a large amount, so that interaction cannot be performed conveniently.
To achieve the above object, an embodiment of the present invention provides a VR device, including:
a VR handle, the surface of which is provided with a light reflecting plate for generating mirror images for fingers;
a VR headset provided with a display and a camera; the camera is used for shooting an operation image of the finger on or above the light reflecting plate;
A controller for:
Receiving a current operation image;
analyzing the current operation image to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system; wherein, the plane where the light reflecting plate is located and the normal line of the light reflecting plate form the preset three-dimensional coordinate system;
confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by the display;
And when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information.
As an improvement of the above solution, the analyzing the current operation image to obtain the current XY position of the tip of the finger in the preset three-dimensional coordinate system includes:
Acquiring a plurality of test operation images of the fingertips of the fingers at different shooting positions, wherein the test operation images are pressed and/or suspended at different positions of the light reflecting plate;
generating finger touch calibration information according to a plurality of test operation images;
And analyzing the current operation image by combining the finger touch calibration information to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system.
As an improvement of the scheme, the VR handle is further provided with a first motion sensor, the first motion sensor is used for acquiring the pose of the handle, and the VR headset is further provided with a second motion sensor, and the second motion sensor is used for acquiring the pose of the camera;
When the current operation image meets the preset touch condition, generating a touch instruction according to the current key information, including:
acquiring the current handle pose and the current camera pose;
obtaining a current shooting pose according to the current handle pose and the current camera pose;
Comparing the current operation image with a preset close image corresponding to the current shooting pose;
and when the similarity between the preset fingertip area in the current operation image and the preset close image is smaller than a preset similarity threshold value, generating a touch instruction according to the current key information.
As an improvement of the scheme, the light reflecting plate is provided with a dot matrix pattern; the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system is the current position of the fingertip mirror image of the finger on the dot matrix pattern.
As an improvement of the above-mentioned scheme, the light reflecting plate is provided with a reflective coating layer for mirroring the finger, and the reflective coating layer has a reflectivity higher than that of the dot matrix pattern:
The embodiment of the invention also provides a control method of the VR equipment, wherein the VR equipment is at least provided with a VR handle and a VR head-mounted device; the surface of the VR handle is provided with a light reflecting plate, and the light reflecting plate is used for generating mirror images for fingers; the VR headset is provided with a display and a camera; the camera is used for shooting an operation image of the finger on or above the light reflecting plate; the control method of the VR device comprises the following steps:
Receiving a current operation image;
analyzing the current operation image to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system; wherein, the plane where the light reflecting plate is located and the normal line of the light reflecting plate form the preset three-dimensional coordinate system;
confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by the display;
And when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information.
As an improvement of the above solution, the analyzing the current operation image to obtain the current XY position of the tip of the finger in the preset three-dimensional coordinate system includes:
Acquiring a plurality of test operation images of the fingertips of the fingers at different shooting positions, wherein the test operation images are pressed and/or suspended at different positions of the light reflecting plate;
generating finger touch calibration information according to a plurality of test operation images;
And analyzing the current operation image by combining the finger touch calibration information to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system.
As an improvement of the scheme, the VR handle is further provided with a first motion sensor, the first motion sensor is used for acquiring the pose of the handle, and the VR headset is further provided with a second motion sensor, and the second motion sensor is used for acquiring the pose of the camera;
When the current operation image meets the preset touch condition, generating a touch instruction according to the current key information, including:
acquiring the current handle pose and the current camera pose;
obtaining a current shooting pose according to the current handle pose and the current camera pose;
Comparing the current operation image with a preset close image corresponding to the current shooting pose;
and when the similarity between the preset fingertip area in the current operation image and the preset close image is smaller than a preset similarity threshold value, generating a touch instruction according to the current key information.
As an improvement of the scheme, the light reflecting plate is provided with a dot matrix pattern; the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system is the current position of the fingertip mirror image of the finger on the dot matrix pattern.
As an improvement of the above-mentioned scheme, the light reflecting plate is provided with a reflective coating layer for mirroring the finger, and the reflective coating layer has a higher reflectivity than the dot matrix pattern.
Compared with the prior art, the VR equipment and the control method thereof provided by the embodiment of the invention have the advantages that the light reflecting plate is arranged on the VR handle, and the VR head-mounted device is utilized to shoot the operation image of the finger on or above the light reflecting plate, so that the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system is obtained; the preset three-dimensional coordinate system consists of a plane where the light reflecting plate is located and a normal line of the light reflecting plate; confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by a display; and when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information. Therefore, when the finger of the user moves on or above the light reflecting plate, the embodiment of the invention can directly display the corresponding current key information into the picture projected by the display, so that the user can directly observe the current key information from the projected picture, the user does not need to shake the handle in a large amount, the interaction can be conveniently performed, and the interaction efficiency is improved. And touch screens or physical keys are not required to be arranged, so that the practicability is high and the cost is low.
Drawings
Fig. 1 is a block diagram of a VR device according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of a VR device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a block diagram of a VR device 10 according to an embodiment of the present invention; the VR device 10 includes:
a VR handle 11, the surface of which is provided with a light reflecting plate for mirroring the finger;
VR headset 12, provided with a display and a camera; the camera is used for shooting an operation image of the finger on or above the light reflecting plate;
A controller for:
Receiving a current operation image;
analyzing the current operation image to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system; wherein, the plane where the light reflecting plate is located and the normal line of the light reflecting plate form the preset three-dimensional coordinate system;
confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by the display;
And when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information.
Optionally, the screen projected by the display is a virtual keyboard, the key information is a key position or other key information representing the key position, in a specific embodiment, when the finger moves on or above the light reflecting plate, the corresponding current key information is obtained by analyzing the current operation image, the current key information is displayed to the virtual keyboard, for example, the virtual keyboard selects the current key information, and the current key position in the virtual keyboard is represented, so that the user intuitively observes the real-time operation on the virtual keyboard.
Further, when the current operation image meets a preset touch condition, the user is indicated to press the light reflecting plate, at the moment, a touch instruction is generated according to the current key information, the touch instruction comprises a function control instruction or a keyboard typing instruction, various function operations are controlled through the function control instruction, and characters/characters are input through the keyboard typing instruction. For example, when the current key information is an english key Z on the virtual keyboard, a Z input instruction is generated to input Z.
Optionally, two cameras with different orientations are provided on the VR headset 12 to obtain an operation picture with more different orientations, which is beneficial to improving finger positioning accuracy and detection of finger touch operation.
According to the embodiment of the invention, the light reflecting plate is arranged on the VR handle 11, so that the camera of the VR head-mounted device 12 can shoot an operation image of a finger on or above the light reflecting plate, such as an operation image of a finger touch light reflecting plate or an operation image of a finger floating on the light reflecting plate, and further, the XY position of a fingertip is obtained in real time by utilizing the shot operation image, further, key information corresponding to the fingertip is obtained in real time and displayed in a picture projected by a display, a user can observe the key information from the projected picture in real time, and know which key the fingertip is about to press, so that the user does not need to shake the handle in a large amount, interaction can be conveniently performed, and interaction efficiency is improved. And touch screens or physical keys are not required to be arranged, so that the practicability is high and the cost is low.
In an optional embodiment, the analyzing the current operation image to obtain the current XY position of the tip of the finger in the preset three-dimensional coordinate system includes:
Acquiring a plurality of test operation images of the fingertips of the fingers at different shooting positions, wherein the test operation images are pressed and/or suspended at different positions of the light reflecting plate;
generating finger touch calibration information according to a plurality of test operation images;
And analyzing the current operation image by combining the finger touch calibration information to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system.
It will be appreciated that different human finger sizes may vary significantly from one operating pattern to another on or over the light reflecting plate, and therefore require calibration, which may also be understood as calibration, which may improve positional accuracy.
According to the embodiment of the invention, the VR equipment 10 is utilized to shoot when the fingertip of the finger presses and/or floats at different positions of the light reflecting plate under different shooting postures, so that a plurality of test operation images are obtained; the shooting pose refers to the position and the pose of the camera relative to the light reflecting plate; and generating finger touch calibration information through testing the operation image, and analyzing the current operation image by combining the finger touch calibration information to improve the detection accuracy of the current XY position.
In an alternative embodiment, the VR handle 11 is further provided with a first motion sensor, where the first motion sensor is used to obtain a handle pose, and the VR headset 12 is further provided with a second motion sensor, where the second motion sensor is used to obtain a camera pose;
When the current operation image meets the preset touch condition, generating a touch instruction according to the current key information, including:
acquiring the current handle pose and the current camera pose;
obtaining a current shooting pose according to the current handle pose and the current camera pose;
Comparing the current operation image with a preset close image corresponding to the current shooting pose;
and when the similarity between the preset fingertip area in the current operation image and the preset close image is smaller than a preset similarity threshold value, generating a touch instruction according to the current key information.
According to the embodiment of the invention, the VR handle 11 and the VR head device 12 are provided with the motion sensors, the shooting pose is detected through the motion sensors, analysis of the current operation image is assisted, and the detection precision of the current XY position is improved.
The preset close image is an image of a preset finger tip close to the light reflecting plate, when the similarity between a preset fingertip area in the current operation image and the preset close image is smaller than a preset similarity threshold value, the finger tip is judged to touch the light reflecting plate, and a touch instruction is generated according to the current key information to complete interaction.
In an alternative embodiment, the light reflecting plate is provided with a dot matrix pattern; the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system is the current position of the fingertip mirror image of the finger on the dot matrix pattern.
It can be understood that a lattice pattern is arranged on the light reflecting plate, for example, a grid lattice pattern is manufactured on the light reflecting plate, and a black coating layer with lower reflectivity is coated on the lattice pattern, so that when the camera shoots, the finger mirror image and the lattice pattern can be clearly reflected, and the XY position of the finger relative to the light reflecting plate can be conveniently positioned.
In an alternative embodiment, the light reflecting plate is provided with a reflective coating layer for mirroring the finger, and the reflective coating layer has a reflectivity higher than that of the dot pattern.
It can be understood that the reflectivity of the reflective coating layer is higher, so that a mirror image can be generated on the finger, the reflectivity of the reflective coating layer is higher than that of the dot matrix pattern, and the mirror image and the dot matrix pattern can be clearly reflected when the camera shoots, thereby being beneficial to positioning the XY position of the finger relative to the light reflecting plate.
According to the VR device 10 provided by the embodiment of the invention, the light reflecting plate is arranged on the VR handle 11, and the VR head-mounted device 12 is utilized to shoot an operation image of a finger on or above the light reflecting plate, so that the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system is obtained; the preset three-dimensional coordinate system consists of a plane where the light reflecting plate is located and a normal line of the light reflecting plate; confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by a display; and when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information. Therefore, when the finger of the user moves on or above the light reflecting plate, the embodiment of the invention can directly display the corresponding current key information into the picture projected by the display, so that the user can directly observe the current key information from the projected picture, the user does not need to shake the handle in a large amount, the interaction can be conveniently performed, and the interaction efficiency is improved. And touch screens or physical keys are not required to be arranged, so that the practicability is high and the cost is low.
Referring to fig. 2, fig. 2 is a flowchart of a control method of a VR device according to an embodiment of the present invention, where the control method of the VR device includes:
S1, receiving a current operation image;
S2, analyzing the current operation image to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system; wherein, the plane where the light reflecting plate is located and the normal line of the light reflecting plate form the preset three-dimensional coordinate system;
S3, confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by the display;
And S4, when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information.
Optionally, the analyzing the current operation image to obtain the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system includes:
Acquiring a plurality of test operation images of the fingertips of the fingers at different shooting positions, wherein the test operation images are pressed and/or suspended at different positions of the light reflecting plate;
generating finger touch calibration information according to a plurality of test operation images;
And analyzing the current operation image by combining the finger touch calibration information to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system.
Optionally, the VR handle is further provided with a first motion sensor, the first motion sensor is used for acquiring a pose of the handle, and the VR headset is further provided with a second motion sensor, and the second motion sensor is used for acquiring a pose of the camera;
When the current operation image meets the preset touch condition, generating a touch instruction according to the current key information, including:
acquiring the current handle pose and the current camera pose;
obtaining a current shooting pose according to the current handle pose and the current camera pose;
Comparing the current operation image with a preset close image corresponding to the current shooting pose;
and when the similarity between the preset fingertip area in the current operation image and the preset close image is smaller than a preset similarity threshold value, generating a touch instruction according to the current key information.
Optionally, a dot matrix pattern is arranged on the light reflecting plate; the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system is the current position of the fingertip mirror image of the finger on the dot matrix pattern.
Optionally, a reflective coating layer is disposed on the light reflecting plate, the reflective coating layer is used for generating mirror images for fingers, and the reflectivity of the reflective coating layer is higher than that of the dot matrix pattern.
According to the control method of the VR equipment, provided by the embodiment of the invention, the light reflecting plate is arranged on the VR handle, and the VR head-mounted device is utilized to shoot an operation image of a finger on or above the light reflecting plate, so that the current XY position of the finger tip in a preset three-dimensional coordinate system is obtained; the preset three-dimensional coordinate system consists of a plane where the light reflecting plate is located and a normal line of the light reflecting plate; confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by a display; and when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information. Therefore, when the finger of the user moves on or above the light reflecting plate, the embodiment of the invention can directly display the corresponding current key information into the picture projected by the display, so that the user can directly observe the current key information from the projected picture, the user does not need to shake the handle in a large amount, the interaction can be conveniently performed, and the interaction efficiency is improved. And touch screens or physical keys are not required to be arranged, so that the practicability is high and the cost is low.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (10)
1. A VR device comprising:
a VR handle, the surface of which is provided with a light reflecting plate for generating mirror images for fingers;
a VR headset provided with a display and a camera; the camera is used for shooting an operation image of the finger on or above the light reflecting plate;
A controller for:
Receiving a current operation image;
analyzing the current operation image to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system; wherein, the plane where the light reflecting plate is located and the normal line of the light reflecting plate form the preset three-dimensional coordinate system;
confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by the display;
And when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information.
2. The VR device of claim 1, wherein the analyzing the current operation image to obtain the current XY position of the tip of the finger in the preset three-dimensional coordinate system comprises:
Acquiring a plurality of test operation images of the fingertips of the fingers at different shooting positions, wherein the test operation images are pressed and/or suspended at different positions of the light reflecting plate;
generating finger touch calibration information according to a plurality of test operation images;
And analyzing the current operation image by combining the finger touch calibration information to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system.
3. The VR device of claim 1, wherein the VR handle is further provided with a first motion sensor for acquiring a handle pose, and wherein the VR headset is further provided with a second motion sensor for acquiring a camera pose;
When the current operation image meets the preset touch condition, generating a touch instruction according to the current key information, including:
acquiring the current handle pose and the current camera pose;
obtaining a current shooting pose according to the current handle pose and the current camera pose;
Comparing the current operation image with a preset close image corresponding to the current shooting pose;
and when the similarity between the preset fingertip area in the current operation image and the preset close image is smaller than a preset similarity threshold value, generating a touch instruction according to the current key information.
4. The VR device as set forth in claim 1, wherein said light reflecting plate is provided with a lattice pattern; the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system is the current position of the fingertip mirror image of the finger on the dot matrix pattern.
5. The VR device as set forth in claim 4, wherein said light reflecting plate is provided with a reflective coating layer for mirroring a finger, said reflective coating layer having a reflectivity higher than that of said dot pattern.
6. A control method of VR equipment, which is characterized in that the VR equipment is at least provided with a VR handle and a VR headset; the surface of the VR handle is provided with a light reflecting plate, and the light reflecting plate is used for generating mirror images for fingers; the VR headset is provided with a display and a camera; the camera is used for shooting an operation image of the finger on or above the light reflecting plate; the control method of the VR device comprises the following steps:
Receiving a current operation image;
analyzing the current operation image to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system; wherein, the plane where the light reflecting plate is located and the normal line of the light reflecting plate form the preset three-dimensional coordinate system;
confirming current key information corresponding to the current XY position based on the corresponding relation between the preset keys and the positions, and displaying the current key information into a picture projected by the display;
And when the current operation image meets the preset touch condition, generating a touch instruction according to the current key information.
7. The VR device control method of claim 6, wherein the analyzing the current operation image to obtain the current XY position of the tip of the finger in the preset three-dimensional coordinate system comprises:
Acquiring a plurality of test operation images of the fingertips of the fingers at different shooting positions, wherein the test operation images are pressed and/or suspended at different positions of the light reflecting plate;
generating finger touch calibration information according to a plurality of test operation images;
And analyzing the current operation image by combining the finger touch calibration information to obtain the current XY position of the fingertip of the finger in a preset three-dimensional coordinate system.
8. The VR device control method of claim 6, wherein the VR handle is further provided with a first motion sensor for acquiring a handle pose, and the VR headset is further provided with a second motion sensor for acquiring a camera pose;
When the current operation image meets the preset touch condition, generating a touch instruction according to the current key information, including:
acquiring the current handle pose and the current camera pose;
obtaining a current shooting pose according to the current handle pose and the current camera pose;
Comparing the current operation image with a preset close image corresponding to the current shooting pose;
and when the similarity between the preset fingertip area in the current operation image and the preset close image is smaller than a preset similarity threshold value, generating a touch instruction according to the current key information.
9. The VR device control method of claim 6, wherein said light reflecting plate is provided with a dot pattern; the current XY position of the fingertip of the finger in the preset three-dimensional coordinate system is the current position of the fingertip mirror image of the finger on the dot matrix pattern.
10. The VR device control method of claim 9, wherein said light reflecting plate is provided with a reflective coating layer for mirroring a finger, said reflective coating layer having a reflectivity higher than that of said dot pattern.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410491495.6A CN118363459A (en) | 2024-04-23 | 2024-04-23 | VR equipment and control method thereof |
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| CN202410491495.6A CN118363459A (en) | 2024-04-23 | 2024-04-23 | VR equipment and control method thereof |
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| CN118363459A true CN118363459A (en) | 2024-07-19 |
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