CN106842599B - 3D visual imaging method and glasses for realizing 3D visual imaging - Google Patents
3D visual imaging method and glasses for realizing 3D visual imaging Download PDFInfo
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- CN106842599B CN106842599B CN201710209648.3A CN201710209648A CN106842599B CN 106842599 B CN106842599 B CN 106842599B CN 201710209648 A CN201710209648 A CN 201710209648A CN 106842599 B CN106842599 B CN 106842599B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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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
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
Abstract
A3D visual imaging method and glasses for realizing 3D visual imaging are provided, the 3D visual imaging method comprises the following steps: the front end of the glasses lens is provided with a light-tight baffle; then, calculating the shielding proportion h of the opaque baffle for shielding the left eye visual angle range and the right eye visual angle range according to the distance between the eyes of a person, the distance between the eyes of the person and the screen boundary and the viewing angle; by adjusting the shielding proportion h, the best 3D viewing effect is obtained. The 3D visual imaging method is a technical solution based on common glasses, and is simple to implement and wide in application range. Meanwhile, the glasses for realizing 3D visual imaging have the advantages of simple structure, low manufacturing cost and convenient use, the left eye part visual range and the right eye part visual range are shielded by the light-tight baffle, and the 3D display effect of the 2D video is enhanced by matching with the motion change scene video, so that the 3D viewing is more natural. The invention has wide application prospect in the occasions of circular screen movie theaters, household plane dynamic movies and the like.
Description
Technical Field
The invention relates to the technical field of 3D imaging, in particular to a 3D visual imaging method and glasses for realizing 3D visual imaging.
Background
The real world is a three-dimensional stereoscopic world, which provides two images with potential difference for two eyes of a person, and forms parallax required by stereoscopic vision after being reflected by the two eyes, so that three-dimensional stereoscopic perception is generated through fusion reflection of optic nerve centers and visual psychological reaction. Using this principle, a 3D viewing effect can be obtained by presenting two left and right images with a parallax to the left and right eyes, respectively, via a display. The real world is rich in information to human eyes, and static parallax and motion parallax are the main factors for generating a stereoscopic effect.
Attempts have been made in various aspects to provide a depth perception (i.e., 3D) to the displayed scene and objects. The research of 3D display technology has been going through the development of decades, and has achieved very fruitful results, from various hand-held observers, 3D stereoscopic glasses, head mounted displays, to the latest 3D displays without glasses, including prism, lenticular, raster, electronic switch, etc.
The existing 3D glasses are divided into passive 3D glasses and active 3D glasses, the passive 3D glasses are provided with special lenses, the film source is divided into left and right 3D screens, and a 3D projector, a 3D television and other 3D devices are needed to be matched for use; the active 3D glasses have 3D film sources, flicker left and right, and also need to be matched with other 3D equipment such as a 3D projector and a 3D television; the HMD headband device, the film source is 3D, and the related device configuration is high. Therefore, the existing 3D watching equipment has the problems of more configurations, high cost and inconvenient use.
Therefore, there is a need to provide a new 3D visual imaging method and glasses for implementing 3D visual imaging to solve the above problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a 3D visual imaging method which saves cost and can enhance the 3D display effect and glasses for realizing 3D visual imaging.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of 3D visual imaging, comprising:
firstly, arranging a light-tight baffle at the front end of a spectacle lens;
then, according to the distance between the two eyes of a person, the distance between the eyes of the person and the screen boundary and the viewing angle, calculating the shielding proportion h of the opaque baffle for shielding the left eye visual angle range and the right eye visual angle range:
h＝f/g＝(tanα/tanβ-1)e/g
wherein d is the vertical distance from the human eye to the screen, e is the vertical distance from the left edge of the light-tight baffle to the vertical plane of the left boundary of the screen, f is the length of the light-tight baffle, g is the distance between the left boundary of the human left eye and the right boundary of the right eye, α is the included angle between the rightmost sight line of the left eye and the horizontal direction, and β is the included angle between the leftmost sight line of the right eye and the horizontal direction;
by adjusting the shielding proportion h, the best 3D viewing effect is obtained.
Further, the glasses are one of plain glasses, myopia glasses, hyperopia glasses, presbyopic glasses and astigmatic glasses.
The utility model provides a glasses based on monocular 3D vision formation of image principle, includes glasses main part, glasses main part's front end is equipped with light tight baffle, light tight baffle covers the partial visual scope of left eye and the partial visual scope of right eye, glasses main part or/and be equipped with adjusting device on the light tight baffle, be used for adjusting light tight baffle shelters from the visual scope of left eye or the size or the proportion of the visual scope of right eye to make left eye and right eye can only see the left boundary or the right boundary of the screen of watching simultaneously.
Furthermore, the glasses main body comprises a glasses frame and lenses arranged in the glasses frame.
Furthermore, the adjusting device comprises a bracket arranged at the edge of the picture frame, a through hole extending along the left-right direction is formed in the bracket, a sliding rod is arranged at the edge of the light-tight baffle and penetrates through the through hole, and the sliding rod moves left and right along the through hole by pushing the light-tight baffle so as to adjust the shielding proportion of the light-tight baffle.
Furthermore, a rubber ring is arranged in the through hole.
Furthermore, the end part of the sliding rod, which is far away from the light-tight baffle, is provided with a nut, and the diameter of the nut is larger than that of the through hole.
Furthermore, the light-tight baffle comprises two baffles which are partially overlapped, and each baffle is provided with the adjusting device for adjusting the baffle to enable the baffle to contract towards the middle of the glasses main body or extend towards the two sides of the glasses.
Furthermore, the baffle or the glasses main body can be selectively provided with a sliding block or a sliding groove extending along the left-right direction, and the sliding block moves along the sliding groove to drive the baffle to move left and right to change the shielding area.
Furthermore, T-shaped sliding blocks are convexly arranged at the upper end or/and the lower end of each baffle, T-shaped sliding grooves are concavely arranged on the glasses frame of the glasses main body, and the sliding blocks are arranged in the sliding grooves.
Furthermore, scales are arranged on the edge of the light-tight baffle plate and used for observing the adjusted distance.
The invention has the beneficial effects that:
the 3D visual imaging method is a technical solution based on common glasses, and is simple to implement and wide in application range. Meanwhile, the glasses for realizing 3D visual imaging have the advantages of simple structure, low manufacturing cost and convenient use, the left eye part visual range and the right eye part visual range are shielded by the light-tight baffle, and the 3D display effect of the 2D video is enhanced by matching with the motion change scene video, so that the 3D viewing is more natural. The invention has wide application prospect in the occasions of circular screen movie theaters, household plane dynamic movies and the like.
Drawings
FIG. 1 is a schematic view of a range of binocular viewing angles when a 3D visual imaging method of the present invention is used for viewing;
FIG. 2 is a schematic diagram illustrating the adjustment of the shielding ratio during viewing by using the 3D visual imaging method of the present invention;
FIG. 3 is a schematic structural diagram of a first embodiment of glasses for implementing 3D visual imaging according to the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of glasses for implementing 3D visual imaging according to the present invention;
fig. 5 is a side view of fig. 3.
In the figure, 1-glasses main body, 11-glasses frame, 12-glasses lens, 2-opaque baffle, 3-bracket, 4-through hole,
5-slide bar, 6-rubber ring, 7-nut, 8-slide block, 9-chute, 10-left eye, 13-right eye, 14-screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 is a schematic diagram of the visual angle range of both eyes when the glasses of the present invention are used for viewing, based on the principle of monocular 3D imaging, the difference between the distance of an object causes the adjustment of the focal length of the crystalline lens and the diameter of the pupil, and the difference (such as the velocity) when the object moves due to the difference between the front and the back of the position. That is, when a person views a 2D video having a scene with motion changes, the brain of the person can automatically complement three-dimensional information of objects in the scene according to experience due to differences in the motion speeds of distant and close objects in the scene, and thus, the change in three-dimensional depth can be realized. But at this time, limited by the boundary of the two-dimensional plane display screen, the human eyes can easily distinguish the three-dimensional characteristics of the display screen through the screen boundary, thereby greatly reducing the 3D display effect. The invention adopts the light-tight baffle 2 to block the front of the lens 12 to block the partial visual range of the left eye 10, so that the left eye 10 can only see the left boundary of the screen 14, and simultaneously, the light-tight baffle 2 blocks the partial visual range of the right eye 13, so that the right eye 13 can only see the left boundary of the screen 14, therefore, the images seen by the two eyes are two irrelevant images, namely, the two eyes can not generate a stereoscopic feeling by receiving the two images with relative potential difference, namely, the real stereoscopic boundary of the display screen is blurred, thereby enhancing the display effect of 3D and leading the 3D to be more natural to watch. The glasses have simple structure, low manufacturing cost and high efficiency, can be used as film watching glasses, and have wide application prospect in circular screen movie theaters, household plane dynamic films and the like.
Referring to fig. 2, in the present embodiment, the opaque baffle 2 covers most of the visible range of the left eye 10 and covers less of the visible range of the right eye 13, and in other embodiments, the position of the opaque baffle 2 can be adjusted by the adjusting device, and the ratio of the left and right eye shelters can be changed, so that similar or identical 3D enhancement effect can be obtained. Because the distance between the eyes of different people is different, and the distance between the viewing point and the display screen and the viewing angle are different, the non-light-permeable baffle 2 can be adjusted by the adjusting device to carry out corresponding correction. For example, when the viewer moves from the middle to the right, the opaque baffle 2 can be moved to the right, so that the visible range of the left eye 10 is enlarged and the visible range of the right eye 13 is reduced. Other position movements can also be used to achieve optimal viewing effects in a similar manner.
And adjusting the adjusting device according to the distance between the two eyes of the person, the distance between the eyes of the person and the screen boundary and the viewing angle so as to adjust the shielding proportion of the light-tight baffle 2 for shielding the left eye 10 visual angle range and the right eye 13 visual angle range.
Setting the vertical distance between the human eye and the screen 14 as d, the vertical distance between the left edge of the light-proof baffle 2 and the vertical plane of the left boundary of the screen 14 as e, the length of the light-proof baffle 2 as f, the distance between the left boundary of the left eye 10 and the right boundary of the right eye 13 as g, the included angle between the rightmost sight line of the left eye 10 and the horizontal direction as α, and the included angle between the leftmost sight line of the right eye 13 and the horizontal direction as β, then
tanα＝d/e，tanβ＝d/(e+f)；
Then etan α ═ e + f) tan β;
calculated, f is (tan α/tan β -1) e;
the opaque barrier 2 has a blocking ratio h of f/g to (tan α/tan β -1) e/g, and the best effect of 3D viewing is obtained by adjusting the blocking ratio h.
If a single eye is directly shielded, i.e. the opaque baffle 2 completely shields the left eye 10 or the right eye 13, the viewer will feel less natural due to the reduction of the maximum visual boundary, but the above 3D enhancement effect can also be achieved.
As shown in fig. 3-5, the present invention provides glasses based on the 3D visual imaging principle, which includes a glasses body 1, in this embodiment, the glasses body 1 is a pair of ordinary glasses, and includes a frame 11 and a lens 12 disposed in the frame 11. The front end of the glasses main body 1 is provided with a light-tight baffle 2, the light-tight baffle 2 covers the partial visual range of the left eye and the partial visual range of the right eye, and the glasses main body 1 or/and the light-tight baffle 2 are provided with adjusting devices for adjusting the size or proportion of the visual range of the left eye 10 or the visual range of the right eye 13 covered by the light-tight baffle 2, so that the left eye 10 and the right eye 13 can only see the left boundary or the right boundary of the watched screen 14 at the same time.
The light-tight baffle 2 can be a single baffle, and the position of the baffle in the left and right directions of the glasses is adjusted through the adjusting device, so that the shielding proportion or size is adjusted; the light-tight baffle 2 can also be partially overlapped by two or more blocks, and the two baffles are adjusted to contract towards the middle of the glasses body 1 or extend towards the left side and the right side of the glasses, so that the shielding area of the light-tight baffle 2 is adjusted.
Referring to fig. 3, in the first embodiment, the adjusting device includes a bracket 3 disposed at the edge of the glasses frame 11, a through hole 4 extending in the left-right direction of the glasses body 1 is formed in the bracket 3, a sliding rod 5 is disposed at the edge of the light-tight baffle 2, the sliding rod 5 passes through the through hole 4, and the sliding rod 5 is moved left and right along the through hole 4 by pushing the light-tight baffle 2, so as to adjust the shielding ratio of the light-tight baffle 2. Preferably, a rubber ring 6 is arranged in the through hole 4, and the rubber ring 6 has a certain resistance, so that the sliding rod 5 can be stopped at a required position during the moving process without any sliding. The end part of the sliding rod 5 far away from the light-tight baffle 2 is provided with a nut 7, the diameter of the nut 7 is larger than that of the through hole 4, when the sliding rod 5 moves leftwards or rightwards to the end part of the sliding rod 5, the nut 7 can be stopped on the bracket 3 to prevent the sliding rod 5 from falling off and separating from the bracket 3. In this embodiment, the upper and lower sides of the frame 11 are symmetrically provided with the bracket 3 and the sliding rod 5, but in other embodiments, the upper side of the frame 11 may be provided separately.
In the second embodiment, as shown in fig. 4 and 5, the opaque baffle 2 comprises two partially overlapped baffles, and each baffle is provided with an adjusting device for adjusting the shielding range of the opaque baffle 2. The light-tight baffle 2 or the glasses main body 1 is optionally provided with a sliding block 8 or a sliding groove 9 extending along the left-right direction, and the sliding block 8 moves along the sliding groove 9 to drive the baffle to move left and right to change the shielding area. In this embodiment, a T-shaped sliding block 8 is convexly disposed at the upper end or/and the lower end of each baffle, a T-shaped sliding groove 9 is concavely disposed on the spectacle frame 11, and the sliding block 8 is disposed in the sliding groove 9. In other embodiments, the upper end or/and the lower end of the baffle may be provided with a chute 9, and the frame 11 is provided with a slide block 8, which are matched with each other, so that the baffle can move left and right along the glasses body 1.
Preferably, the edge of the opaque screen 2 is provided with a scale for observing the adjusted distance.
Besides the adjusting structure and the adjusting method of the adjusting device listed in the above embodiments, those skilled in the art can also adopt other common embodiments to adjust the shielding range and the shielding ratio of the opaque baffle.
The 3D visual imaging method is a technical solution based on common glasses, and is simple to implement and wide in application range. Meanwhile, the glasses for realizing 3D visual imaging have the advantages of simple structure, low manufacturing cost and convenient use, and the opaque baffle 2 shields the partial visual range of the left eye 10 and the partial visual range of the right eye 13, and is matched with the motion change scene video to enhance the 3D display effect of the 2D video, so that the 3D viewing is more natural. And the watching visual range is large relative to the shielded single-eye watching, so that the 3D watching is more natural.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. Glasses enabling 3D visual imaging, comprising: the front end of the glasses main body is provided with a light-tight baffle which covers the partial visual range of the left eye and the partial visual range of the right eye, and the glasses main body or/and the light-tight baffle are provided with adjusting devices which are used for adjusting the size or proportion of the visual range of the left eye or the visual range of the right eye covered by the light-tight baffle so that the left eye and the right eye can only see the left boundary or the right boundary of the viewed screen at the same time;
the proportion is as follows:
h＝f/g＝(tanα/tanβ-1)e/g
h is a shielding proportion, d is a vertical distance from a human eye to the screen, e is a vertical distance from the left edge of the light-proof baffle to a vertical plane of the left boundary of the screen, f is a length of the light-proof baffle, g is a distance between the left boundary of a human left eye and the right boundary of a human right eye, α is an included angle between the rightmost sight line of the left eye and the horizontal direction, and β is an included angle between the leftmost sight line of the right eye and the horizontal direction;
the glasses main body comprises a glasses frame and lenses arranged in the glasses frame;
the adjusting device comprises a bracket arranged at the edge of the picture frame, the bracket is provided with a through hole extending along the left-right direction, the edge of the light-tight baffle is provided with a slide rod, the slide rod penetrates through the through hole, and the light-tight baffle is pushed to enable the slide rod to move left and right along the through hole so as to adjust the shielding proportion of the light-tight baffle;
the light-tight baffle comprises two baffles which are partially overlapped, and each baffle is provided with the adjusting device and is used for adjusting the baffle to enable the baffle to shrink towards the middle of the glasses main body or extend towards the two sides of the glasses;
the baffle or the glasses main body is optionally provided with a sliding block or a sliding groove extending along the left-right direction, and the sliding block moves along the sliding groove to drive the baffle to move left and right to change a shielding area;
the upper end or/and the lower end of each baffle are/is convexly provided with a T-shaped sliding block, a T-shaped sliding groove is concavely arranged on a glasses frame of the glasses main body, and the sliding blocks are arranged in the sliding grooves.
2. The glasses for enabling 3D visual imaging according to claim 1, wherein: and a rubber ring is arranged in the through hole.
3. The glasses for enabling 3D visual imaging according to claim 1, wherein: the end part of the sliding rod, which is far away from the light-tight baffle, is provided with a nut, and the diameter of the nut is larger than that of the through hole.
4. The glasses for enabling 3D visual imaging according to claim 1, wherein: scales are arranged on the edge of the light-tight baffle and used for observing the adjusted distance.
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| CN201710209648.3A CN106842599B (en) | 2017-03-31 | 2017-03-31 | 3D visual imaging method and glasses for realizing 3D visual imaging |
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| CN201710209648.3A CN106842599B (en) | 2017-03-31 | 2017-03-31 | 3D visual imaging method and glasses for realizing 3D visual imaging |
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| CN106842599B true CN106842599B (en) | 2020-05-29 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561706B (en) * | 2017-09-16 | 2021-04-16 | 中创博利科技控股有限公司 | Virtual reality projection imaging system |
| CN107490867B (en) * | 2017-10-07 | 2021-05-11 | 深圳市狮子汇文化传播有限公司 | Virtual reality projection imaging system |
| CN108845434A (en) * | 2018-09-20 | 2018-11-20 | 浙江通耀科技有限公司 | A kind of training glasses that brain visual imaging can be made quickly to identify |
| CN110426853B (en) * | 2019-07-31 | 2020-10-16 | 华为技术有限公司 | Lens and head-mounted display device |
| WO2022267374A1 (en) * | 2021-06-24 | 2022-12-29 | 深圳市立体通技术有限公司 | Autostereoscopic display assembly and autostereoscopic display apparatus |
| CN113655626B (en) * | 2021-07-23 | 2023-06-13 | 深圳市立体通技术有限公司 | Naked-eye three-dimensional display assembly and naked-eye three-dimensional display device |
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