CN110244466B - Augmented reality glasses and adjustment method - Google Patents
Augmented reality glasses and adjustment method Download PDFInfo
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- CN110244466B CN110244466B CN201910626536.7A CN201910626536A CN110244466B CN 110244466 B CN110244466 B CN 110244466B CN 201910626536 A CN201910626536 A CN 201910626536A CN 110244466 B CN110244466 B CN 110244466B
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- 230000003190 augmentative effect Effects 0.000 title claims abstract description 51
- 239000011521 glass Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000000720 eyelash Anatomy 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
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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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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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
- G02B27/01—Head-up displays
- G02B27/0179—Display position adjusting means not related to the information to be displayed
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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
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Abstract
The embodiment of the application discloses augmented reality glasses and an adjusting method, wherein the augmented reality glasses comprise: the image source is used for projecting a virtual image to the display module and is arranged on the glasses legs of the augmented reality glasses based on the rotating component; the display module is used for guiding the light rays of the virtual image and the light rays reflected by the external actual object to human eyes; the obstacle detector is arranged on the image source and used for detecting whether an obstacle exists on a light projection path of the image source; a controller for adjusting a light projection angle of the image source when the obstacle detector detects an obstacle. By adopting the technical scheme, the light emitted by the image source can be accurately transmitted to the display module after being adjusted, so that the light of the virtual image and the light reflected by an external actual object are guided to the human eyes, the problem that the light of the virtual image is shielded by a barrier is avoided, and a high-quality augmented reality image is formed in the human eyes.
Description
Technical Field
The embodiment of the application relates to the technical field of augmented reality glasses, in particular to augmented reality glasses and an adjusting method.
Background
With the continuous development of augmented reality technology, augmented reality devices such as augmented reality devices are widely accepted and applied by users.
When a user wears the augmented reality glasses, certain specific content is directly presented in front of the eyes of the user through the micro-display or the micro-projector corresponding to the eyes of the user, and components in the augmented reality glasses are generally nonadjustable, but in a specific application process, due to differences between people, for example, when the user is fat and the user is thin, and the user wears the glasses with children, the wearing difference may cause the shielding of the virtual image light, and the like, so that the virtual image light cannot be accurately projected into the eyes of the user.
Disclosure of Invention
The embodiment of the application provides augmented reality glasses and an adjusting method, and the quality of augmented reality is improved.
In a first aspect, an embodiment of the present application provides an augmented reality glasses, including:
the image source is used for projecting a virtual image to the display module and is arranged on the glasses legs of the augmented reality glasses based on the rotating component;
the display module is used for guiding the light rays of the virtual image and the light rays reflected by the external actual object to human eyes;
the obstacle detector is arranged on the image source and used for detecting whether an obstacle exists on a light projection path of the image source;
a controller for adjusting a light projection angle of the image source when the obstacle detector detects an obstacle.
In a second aspect, an embodiment of the present application provides an adjusting method for augmented reality glasses, including:
projecting light rays of the virtual image to a display module based on an image source;
guiding the light rays of the virtual image and the light rays reflected by the external real object to human eyes based on a display module;
detecting whether an obstacle exists on a light projection path of an image source based on an obstacle detector arranged on the image source;
when the obstacle is detected, the light projection angle of the image source is adjusted based on the controller so as to control the optics projected by the image source not to be blocked.
According to the technical scheme, whether barriers exist on the light projection path of the image source is detected through the barrier detector, when the barriers exist, the image source is controlled to rotate by the controller, the light projection angle of the image source is adjusted, light emitted by the image source can be completely and accurately sent to the display module after adjustment, light of the virtual image and light reflected by an external actual object are guided to human eyes, the problem that the light of the virtual image is shielded by the barriers is avoided, and high-quality augmented reality images are formed in the human eyes.
Drawings
Fig. 1 is a schematic structural diagram of augmented reality glasses provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another augmented reality glasses provided in an embodiment of the present application;
fig. 3 is a schematic flowchart of an adjusting method of augmented reality glasses according to an embodiment of the present application.
Detailed Description
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Fig. 1 is a schematic structural diagram of augmented reality glasses provided in an embodiment of the present application, where the augmented reality glasses include an image source 101, a display module 103, an obstacle detector 104, and a controller 105. Wherein the content of the first and second substances,
an image source 101 for projecting a virtual image to the display module, wherein the image source 101 is for projecting the virtual image to the display module 103, that is, the image source 101 is for generating light of the virtual image and projecting the light of the virtual image to the display module 103, and the image source 101 may be, for example, but not limited to, a micro display. Illustratively, the dashed arrows emitted by the image source 101 represent light rays of the virtual image, and the solid lines incident on the display module 103 represent light rays reflected by external physical objects.
The image source 101 is arranged on the temple 106 of the augmented reality glasses based on the rotating part 102, the rotating part 102 can be the temple 106 fixedly arranged on the augmented reality glasses, and the image source 101 is connected with the rotating part 102, so that the image source 101 can rotate relative to the temple 106 to adjust the light projection angle of the image source 101.
The obstacle detector 104 is disposed on the image source and configured to detect whether an obstacle exists on a light projection path of the image source 101, and the obstacle detector 104 can rotate along with the rotation of the image source 101, so that a detection range of the obstacle belongs to a light projection path range of the image source 101.
And a controller 105 for adjusting a light projection angle of the image source when the obstacle detector detects an obstacle.
Wherein, when different users wore augmented reality glasses, the wearing difference that the user difference leads to and hair or eyelashes etc. probably shelter from the light of setting up image source 101 emission on the mirror leg, lead to the unable all accurate eyes of injecing into of light of virtual image, reduce augmented reality quality. Whether an obstacle exists on a light projection path of the image source 101 is detected through the obstacle detector 104, if so, the controller 105 controls the image source 101 to rotate so as to change the light projection angle of the image source 101 and avoid the obstacle, and light emitted by the image source 101 can reach the display module 103 without obstacle. Specifically, the controller 105 is electrically connected to the rotating component 102, and transmits an electrical signal to the rotating component 102 to control the rotation of the rotating component 102, so that the rotating component 102 drives the image source 101 to rotate.
According to the technical scheme, whether the obstacle exists on the light projection path of the image source is detected through the obstacle detector, when the obstacle exists, the image source is controlled to rotate by the controller, the light projection angle of the image source is adjusted, light emitted by the image source can be completely and accurately sent to the display module after adjustment, light of the virtual image and light reflected by an external actual object are guided to human eyes, the problem that the light of the virtual image is shielded by the obstacle is avoided, and high-quality augmented reality images are formed in the human eyes.
On the basis of the above-described embodiment, the obstacle detector 104 includes an ultrasonic transmitter and an ultrasonic receiver, and an ultrasonic transmission angle of the ultrasonic transmitter is identical to a light projection angle of the image source. Optionally, the ultrasonic transmitter may transmit a spherical ultrasonic signal within a light projection angle of the image source, and the ultrasonic receiver receives an ultrasonic signal within the light projection angle of the image source.
The ultrasonic transmitter is used for transmitting an ultrasonic signal along the light projection angle of the image source, the ultrasonic receiver is used for receiving the feedback ultrasonic signal, and the controller 105 is used for determining whether an obstacle exists on the light projection path of the image source according to the feedback ultrasonic signal. Specifically, the controller 105 records a first timestamp for transmitting the ultrasonic wave and a second timestamp for feeding back the reception of the ultrasonic wave, determines the transmission duration of the ultrasonic wave signal according to the first timestamp and the second timestamp, reflects the transmitted ultrasonic wave signal when encountering the object, and determines the position information of the object according to the transmission duration of the ultrasonic wave signal and the propagation speed of the ultrasonic wave. The position points where the ultrasonic waves are reflected are feedback points, a feedback object contour is generated according to the position information of the feedback points, and whether an obstacle exists or not is determined according to the feedback object contour. In this embodiment, the obstacles may be, but are not limited to, eyelashes, human faces, hair, and the like of human eyes. Identifying the outline of a feedback object, determining whether the feedback object is the display module 103, if so, determining that no obstacle exists in the light projection path of the image source, and if the feedback object comprises any object except the display module 103, determining that an obstacle exists in the light projection path of the image source.
Alternatively, the obstruction detector 104 may also include an array of ultrasonic transmitters and an array of ultrasonic receivers.
On the basis of the above embodiment, the controller 105 is further configured to: determining an adjustment angle of the image source 101 according to a current light projection angle of the image source 101 and position information of the obstacle; the rotation of the rotating part 102 is controlled according to the adjustment angle of the image source 101. The area and the size of a shielded area in a light projection range of the image source 101 under the current light projection angle are determined according to the position information of the obstacle, the adjusting angle of the image source 101 is determined according to the area and the size of the shielded area, the adjusting direction of the image source 101 is determined according to the position of the shielded area in the light projection range, a control instruction for the rotating part 102 is generated according to the adjusting angle and the adjusting direction of the image source 101, the rotating part 102 is controlled to rotate, the image source 101 is driven to rotate, and the control of the projection angle of the image source 101 is achieved. Illustratively, the adjustment direction of the image source 101 is downward when the occluded area is above the light projection range, and the adjustment direction of the image source 101 is rightward when the occluded area is to the left of the light projection range.
It should be noted that when the image source is adjusted to rotate and the obstacle cannot be avoided, obstacle prompt information is generated, and the obstacle prompt information may be output in a voice playing mode or a vibration mode to prompt the user to process the obstacle.
On the basis of the above embodiments, for example, referring to fig. 2, fig. 2 is a schematic structural diagram of another augmented reality glasses provided in the embodiments of the present application. In fig. 2, the temple of the augmented reality glasses is provided with a moving rail 108, and the rotating member 102 is provided on the moving rail 108 and is movable on the moving rail 108. The moving rail 108 includes a horizontal rail and a vertical rail, and the rotating member 102 can move horizontally on the horizontal rail or vertically on the vertical rail. It should be noted that the structure of the moving track 108 may be that, as shown in fig. 2, the horizontal track is carried on the vertical track, and in other embodiments, the vertical track is also carried on the horizontal track, which is not limited herein.
The controller 105 is further configured to adjust a position of the image source 101 on the temple 106 and/or a light projection angle of the image source 101 when the obstacle detector 104 detects an obstacle. When the light projection angle of the image source 101 is too large, all light of the virtual image cannot be projected to the display module 103, and the problem of missing part of light exists, so that only part of the virtual image can be seen in human eyes, and the augmented reality effect is affected. In this embodiment, by adjusting one or both of the position of the image source 105 on the temple 106 and the light projection angle, the light projected by the image source 105 is ensured to be projected on the display module 103 on the basis of avoiding an obstacle. For example, when the light projection angle of the image source 101 is adjusted downward by 45 degrees, and the adjusted light of the image source 101 cannot be projected to the display module 103 completely, the position of the image source 101 is adjusted downward by the moving track 108, and the light projection angle of the image source 101 is determined again until the light projection angle of the image source 101 can be projected to the display module 103 completely without obstacles.
Specifically, the controller 105 determines the movement distance and/or the adjustment angle of the image source 101 according to the current light projection angle of the image source 101 and the position information of the obstacle; controlling the rotating part to move on the moving track 108 according to the moving distance of the image source 101; the rotation of the rotating part 102 is controlled according to the adjustment angle of the image source 101. Wherein, the moving distance can be a horizontal distance and a vertical distance, and the image source is controlled to move on the horizontal track and the vertical track respectively.
According to the augmented reality glasses provided by the embodiment, the image source is driven to rotate relative to the glasses legs of the augmented reality glasses through the arrangement of the rotating part, so that the control of the light projection angle of the image source is realized; through setting up the removal track, rotating member can drive the image source and remove on the removal track to adjust the position of image source. When the obstacle detector determines that an obstacle exists on a light projection path of an image source, the rotating part is controlled to rotate or move on a moving track, so that the angle change and the position change of the image source are controlled, the effect of avoiding the obstacle is achieved, the problem that light of a virtual image is shielded is avoided, and the quality and the definition of an augmented reality image formed in human eyes are improved.
Fig. 3 is a schematic flowchart of an adjusting method for augmented reality glasses according to an embodiment of the present application, where the method may be performed by the augmented reality glasses, as shown in fig. 3, and the method includes:
And step 303, detecting whether an obstacle exists on a light projection path of the image source based on an obstacle detector arranged on the image source.
And 304, when the obstacle is detected, adjusting the light projection angle of the image source based on the controller so as to control the optics projected by the image source not to be blocked.
Optionally, the obstacle detector includes an ultrasonic transmitter and an ultrasonic receiver, wherein whether an obstacle exists on a light projection path of an image source is detected based on the obstacle detector disposed on the image source, including: transmitting an ultrasonic signal based on a light projection angle of the ultrasonic transmitter along an image source; receiving a feedback ultrasonic signal based on the ultrasonic receiver; and determining whether an obstacle exists on a light projection path of the image source according to the fed-back ultrasonic signal based on the controller.
Optionally, determining whether an obstacle exists on a light projection path of the image source according to the fed-back ultrasonic signal includes: determining the position information of the feedback points of the ultrasonic signals according to the transmission duration of the ultrasonic signals, generating a feedback object contour according to the position information of the feedback points, and determining whether an obstacle exists according to the feedback object contour. When it is determined that the feedback object profile includes a profile of any object other than the profile of the display module, it is determined that an obstacle exists on a light projection path of the image source.
On the basis of the above embodiment, the method further includes: when the obstacle detector detects an obstacle, the position of the image source on the temple is adjusted.
Optionally, the adjustment angle of the image source is determined according to the position of the obstacle, and the adjustment angle is based on the rotation angle of the controller rotation component, wherein the image source is arranged on the glasses legs of the augmented reality glasses based on the rotation component. It should be noted that the rotating component has an angular rotation range for controlling the light projected by the image source within the receiving range of the display module. When the adjusting angle of the image source is within the angle rotating range of the rotating component, the rotating component is controlled to rotate according to the adjusting angle of the image source. When the adjusting angle of the image source exceeds the angle rotating range of the rotating component, the position of the image source on the glasses leg is adjusted first, and the adjusting angle of the image source is determined again. Illustratively, according to the position information of the obstacle, the size of the shielded area in the light projection range of the image source 101 at the current light projection angle is determined, the moving distance of the image source 101 is determined according to the size of the shielded area, and the adjusting direction of the image source 101 is determined according to the position of the shielded area in the light projection range. And generating a moving instruction of the rotating part according to the moving distance of the image source 101 and the adjusting direction of the image source 101, controlling the rotating part to move on the moving track, and after moving, determining the adjusting angle of the image source 101 according to the position of the display module, so that the light projected by the image source 101 is in the receiving range of the display module, and simultaneously determining whether an obstacle exists in the adjusted light projecting path.
According to the adjusting method of the augmented reality glasses, whether the obstacle exists on the light projection path of the image source or not is judged, when the obstacle exists, the image source is controlled to rotate by the controller, the light projection angle of the image source is adjusted, light emitted by the image source can be completely and accurately sent to the display module, light of the virtual image and light reflected by an external actual object are guided to human eyes, the problem that the light of the virtual image is shielded by the obstacle is avoided, and high-quality augmented reality images are formed in the human eyes.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. An augmented reality glasses, comprising:
the image source is used for projecting a virtual image to the display module and is arranged on the glasses legs of the augmented reality glasses based on the rotating component;
the display module is used for guiding the light rays of the virtual image and the light rays reflected by the external actual object to human eyes;
the obstacle detector is arranged on the image source and used for detecting whether an obstacle exists on a light projection path of the image source, and the obstacle detector rotates along with the rotation of the image source;
a controller for adjusting a light projection angle of the image source when the obstacle detector detects an obstacle.
2. The augmented reality glasses of claim 1, wherein the obstacle detector comprises an ultrasonic transmitter and an ultrasonic receiver, an ultrasonic emission angle of the ultrasonic transmitter is consistent with a light projection angle of an image source;
the ultrasonic transmitter is used for transmitting an ultrasonic signal along a light projection angle of an image source;
the ultrasonic receiver is used for receiving a feedback ultrasonic signal;
the controller is used for determining whether an obstacle exists on a light projection path of the image source according to the fed back ultrasonic signal.
3. Augmented reality glasses according to claim 2, wherein the controller is specifically configured to: determining the position information of the feedback points of the ultrasonic signals according to the transmission duration of the ultrasonic signals, generating a feedback object contour according to the position information of the feedback points, and determining whether an obstacle exists according to the feedback object contour.
4. The augmented reality glasses of claim 3, wherein the controller is further configured to:
determining an adjusting angle of the image source according to the light projection angle of the image source and the position information of the obstacle;
and controlling the rotating part to rotate according to the adjusting angle of the image source.
5. The augmented reality glasses according to claim 1, wherein a moving track is provided on a temple of the augmented reality glasses, and the rotating member is provided on the moving track;
the controller is further used for adjusting the position of the image source on the glasses leg and/or the light projection angle of the image source when the obstacle detector detects the obstacle.
6. The augmented reality glasses of claim 5, wherein the controller is further configured to:
determining the moving distance and/or the adjusting angle of the image source according to the current light projection angle of the image source and the position information of the obstacle;
controlling the rotating part to move on the moving track according to the moving distance of the image source;
and controlling the rotating part to rotate according to the adjusting angle of the image source.
7. An adjusting method of augmented reality glasses, comprising:
projecting light rays of the virtual image to a display module based on an image source;
guiding the light rays of the virtual image and the light rays reflected by the external real object to human eyes based on a display module;
detecting whether an obstacle exists on a light projection path of an image source based on an obstacle detector arranged on the image source, wherein the obstacle detector rotates along with the rotation of the image source;
when the obstacle is detected, the light projection angle of the image source is adjusted based on the controller so as to control the light projected by the image source not to be shielded.
8. The adjusting method according to claim 7, wherein the obstacle detector comprises an ultrasonic transmitter and an ultrasonic receiver, wherein detecting whether an obstacle exists on a light projection path of an image source based on the obstacle detector provided on the image source comprises:
transmitting an ultrasonic signal based on a light projection angle of the ultrasonic transmitter along an image source;
receiving a feedback ultrasonic signal based on the ultrasonic receiver;
and determining whether an obstacle exists on a light projection path of the image source according to the fed-back ultrasonic signal based on the controller.
9. The adjustment method of claim 8, wherein determining whether an obstacle exists in a light projection path of an image source according to the fed-back ultrasonic signal comprises:
determining the position information of the feedback points of the ultrasonic signals according to the transmission duration of the ultrasonic signals, generating a feedback object contour according to the position information of the feedback points, and determining whether an obstacle exists according to the feedback object contour.
10. The method of adjusting of claim 7, further comprising:
when the obstacle detector detects an obstacle, the position of the image source on the temple is adjusted.
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| CN112629105A (en) * | 2019-09-24 | 2021-04-09 | 青岛海尔电冰箱有限公司 | Virtual control panel operation identification method and refrigerator |
| CN112556266A (en) * | 2019-09-24 | 2021-03-26 | 青岛海尔电冰箱有限公司 | Refrigerator with internal projection function |
| CN112629108A (en) * | 2019-09-24 | 2021-04-09 | 青岛海尔电冰箱有限公司 | Refrigerator with internal projection function |
| CN112629107A (en) * | 2019-09-24 | 2021-04-09 | 青岛海尔电冰箱有限公司 | Method for performing projection display in refrigerator compartment and refrigerator |
| CN110579880B (en) * | 2019-09-29 | 2021-08-17 | Oppo广东移动通信有限公司 | Near-to-eye display optical system and near-to-eye display device |
| CN110927967A (en) * | 2019-12-03 | 2020-03-27 | Oppo广东移动通信有限公司 | Augmented reality glasses |
| CN111505827B (en) * | 2020-05-22 | 2022-07-12 | Oppo广东移动通信有限公司 | Optical display subassembly and intelligent wearing equipment |
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| CN101464562A (en) * | 2007-12-19 | 2009-06-24 | 株式会社日立制作所 | Automotive head up display apparatus |
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