CN102305970A - Naked eye three-dimensional display method and structure for automatically tracking human eye position - Google Patents
Naked eye three-dimensional display method and structure for automatically tracking human eye position Download PDFInfo
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- CN102305970A CN102305970A CN201110251668A CN201110251668A CN102305970A CN 102305970 A CN102305970 A CN 102305970A CN 201110251668 A CN201110251668 A CN 201110251668A CN 201110251668 A CN201110251668 A CN 201110251668A CN 102305970 A CN102305970 A CN 102305970A
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Abstract
The invention provides a naked eye three-dimensional display method and a naked eye three-dimensional display structure for automatically tracking a human eye position. The method comprises the following steps that: a camera is used for acquiring a user image in front of a screen and sending the user image to a central processing unit (CPU); after receiving the user image, the CPU processes the user image to judge the position of a user in front of the screen, and then sends corresponding control information to a stepping motor; and the stepping motor adjusts the physical position of a lens film on the screen according to the control information to realize changes of view areas of left and right eyes of the user, the CPU simultaneously configures a display control unit to perform display control on views of the left and right eyes, and the display control unit continuously updates the views of the left and right eyes and displays the views on a display screen. By the method, the position of a lens can be adjusted according to the position of the user to watch the screen to ensure that left and right view areas can automatically change along with the position of the user, so on the basis of not changing the physical structure of the lens, the function of enlarging the three-dimensional view area of the user is realized, and then the watching experience of the user can be greatly improved.
Description
[technical field]
The present invention relates to a kind of method and structure thereof of bore hole 3-D display.
[background technology]
3-D display is when last popular technology, and the bore hole 3-D display focus in the focus especially.In existing bore hole dimension display technologies; Lens pillar formula stereoscopic three-dimensional display technique is comparatively ripe; But the big problem that this technology exists is that the user is when watching 3-D view; The visual angle is limited; In case the effective viewing areas of user's viewing position deviation then can't watch 3-D view; Influence user experience so greatly, also limited this technology further development space on market.So user's visible angle when how to increase the demonstration of lens pillar formula stereoscopic three-dimensional is that an extremely has challenge and very significant work.
Lens pillar screen formula stereoscopic three-dimensional image is because the refraction action of lens pillar makes images of left and right eyes only can watch the respective image of A, B projector respectively, thereby produces stereoscopic sensation.
After the sixties in 20th century,, make lens pillar screen formula stereoscopic three-dimensional image technology reach degree of being practical along with the development of technology such as Precision Machining, plastic material, photograph and typography.This kind stereoscopic three-dimensional image is to panel size and unrestricted, and picture is bright, watches easyly, but the registration position of panel and lens pillar is had relatively high expectations, and the sharpness of image also receives the restriction that lens pillar shields density.
Except that the polarization type stereoscopic three-dimensional image; Lens pillar screen formula stereoscopic three-dimensional image is a kind of rather effective method in the present non-holographic optical 3 D 3-D display; Extremely numerous researchers' attention in recent years, and obtained at aspects such as stereotelevisions using widely.Like nineteen ninety-five, just 40 inches stereoscopic three-dimensional optical projection systems that Japanese Sanyo company releases have adopted the two column mirror screen technology through improved.A of projector and B are projected to the images of left and right eyes video respectively on two column mirror screens, because the effect of two column mirror screens makes two kinds of videos arrive intelligent's left eye and right eye respectively, the image of this kind stereoscopic three-dimensional optical projection system reaches rather clear and true to nature naturally degree.
Lens pillar (Lenticular Lens) technology also is called as biconvex lens or microtrabeculae lens 3D technology, and its maximum advantage is that its brightness can not be affected.The principle of lens pillar 3D technology is to add the last layer lens pillar in the front of LCDs; Make the pixel of the image below each post lens as the plane is positioned on the focal plane of lens of liquid crystal display be divided into several subpixels, lens just can be with each sub-pixel of different direction projections like this.So eyes are watched display screen from different angles, just see different sub-pixel.But the gap between pixel also can be exaggerated, and sub-pixel simply therefore can not superpose.Allow post lens and the pixel column not be parallel, but have a certain degree.So just can make each group sub-pixel repeat to throw vision area, rather than only throw one group of anaglyph.
Existing lens pillar formula stereoscopic three-dimensional display technique, user's visible angle is little and fixing, big limitations the user's viewing angle, cause great inconvenience and not good user experience to the user.
[summary of the invention]
The technical matters that the present invention will solve is to provide a kind of bore hole 3 D displaying method and structure thereof of automatic tracking position of human eye, and it can adjust lens blooming according to user's position, has improved user's viewing experience.
The present invention is achieved in that
A kind of bore hole 3 D displaying method of automatic tracking position of human eye specifically comprises the steps:
Step 10, the user images through camera collection screen the place ahead are to CPU;
Step 20, CPU judge the position of user before screen through processing after receiving user images, send corresponding control information then to stepper motor;
Step 30, said stepper motor are according to the physical location of control information adjustment lens blooming on screen; Thereby realize the variation of user's right and left eyes view area; Said CPU disposes the demonstration control that indicative control unit carries out the right and left eyes view simultaneously, and indicative control unit is brought in constant renewal in the right and left eyes view and it is shown to display screen.
Further, said user images is the image that comprises user's head position information.
A kind of bore hole 3-D display structure of automatic tracking position of human eye; It comprises camera, CPU, stepper motor, indicative control unit, lens blooming, display screen; Said camera is connected to CPU; Said CPU is connected respectively to indicative control unit, stepper motor; Said indicative control unit is connected to display screen, and said stepper motor is connected to lens blooming;
The positional information of said camera charge capture user head, and the user images that includes user's head position information that will collect is transferred to CPU;
Said CPU is responsible for coming the position of judges before screen according to the user images that camera is caught, and according to the position of user before screen, stepper motor sends control information;
Said stepper motor is responsible for receiving the physical location of adjustment lens blooming on screen after the control information of CPU, and left and right sides view area is changed to adapt to user's eyes position;
Said lens blooming is responsible for the left and right sides view of display screen is reflected back formation right and left eyes vision area;
Said indicative control unit is responsible for that the right and left eyes view information is sent to display screen and is shown;
Said display screen is responsible for the right and left eyes view is shown at interval, and scioptics refraction back forms the right and left eyes view area, finally realizes 3 D stereo view effect.
The present invention has following advantage:
The present invention proposes a kind of bore hole 3 D displaying method and structure thereof of automatic tracking position of human eye; The present invention can watch the position of screen that the position of lens blooming is adjusted according to the user; The position that makes left and right sides view area can follow the user changes automatically; Thereby on the basis that does not change the lens physical arrangement; Reach the effect of the 3 D stereo view area that extends one's service; This will significantly improve user's viewing experience and of the present invention simple in structure, can be used for the hand-held 3 D stereo display device of single user or other single user's large stereo display devices.
[description of drawings]
The present invention is further illustrated to combine embodiment with reference to the accompanying drawings.
Fig. 1 is the module diagram of structure of the present invention.
Fig. 2 is the schematic flow sheet of the inventive method.
Fig. 3 is the synoptic diagram of position between user and the display screen.
The synoptic diagram that lens position when Fig. 4 is in middle position for the user and right and left eyes view area distribute.
The synoptic diagram of lens position when Fig. 5 is in middle position for the user and screen relative position.
The synoptic diagram that lens position when Fig. 6 is in the left in the face of screen for the user and right and left eyes view area distribute.
Lens position when Fig. 7 is in the left in the face of screen for the user and the synoptic diagram of screen relative position.
The synoptic diagram that lens position when Fig. 8 is in the face of screen right-hand for the user and right and left eyes view area distribute.
Lens position when Fig. 9 is in the face of screen right-hand for the user and the synoptic diagram of screen relative position.
[embodiment]
See also Fig. 1 to shown in Figure 9, embodiments of the invention are carried out detailed explanation.
Like Fig. 1; The bore hole 3-D display structure of a kind of automatic tracking position of human eye of the present invention; It comprises camera 1, CPU2, stepper motor 3, indicative control unit 4, lens blooming 5, display screen 6; Said camera 1 is connected to CPU2; Said CPU2 is connected respectively to indicative control unit 3, stepper motor 4; Said indicative control unit 4 is connected to display screen 6, and said stepper motor 3 is connected to lens blooming 5.
The positional information of said camera 1 charge capture user head, and the user images that includes user's head position information that will collect is transferred to CPU2; Said CPU2 is responsible for coming the position of judges before screen according to the user images that camera 1 is caught, and according to the position of user before screen, stepper motor 3 sends control information; Adjust the physical location of lens blooming 5 on screen after the control information of the said stepper motor 3 responsible CPU2 of reception, left and right sides view area is changed to adapt to user's eyes position; Said lens blooming 5 is responsible for the left and right sides view of display screen 6 is reflected back formation right and left eyes vision area; Said indicative control unit 4 is responsible for that the right and left eyes view information is sent to display screen 6 and is shown; Said display screen 6 is responsible for the right and left eyes view is shown at interval, and scioptics refraction back forms the right and left eyes view area, finally realizes 3 D stereo view effect.
Like Fig. 2, the bore hole 3 D displaying method of a kind of automatic tracking position of human eye of the present invention specifically comprises following flow process:
1. at first after circuit is started working, the user images that camera 1 will collect screen the place ahead is sent to CPU2;
2.CPU2 after the user images that receives screen the place ahead that camera 1 collects, judge the position of people's face according to existing face recognition algorithms, send corresponding control information then to stepper motor 3, its position to lens blooming 5 is adjusted;
3. said stepper motor 3 turns an angle after the control information that receives CPU2, thereby drives the physical location of adjustment lens blooming 5 on display screen 6, thereby the variation of realization right and left eyes view area is to adapt to user's eyes position; In the whole process, CPU2 disposes the demonstration control that indicative control unit 4 carries out the right and left eyes view all the time simultaneously; Indicative control unit 4 is brought in constant renewal in the right and left eyes view and it is shown on the display screen 6.
For example:
Like Fig. 3; In the present embodiment; The shooting direction of camera 1 is the place ahead over against display screen 6; When so if the user watches in display screen 6 dead aheads; The user images that camera 1 photographs also will appear in the middle of the image, if the user watches at the left of facing screen then can appear at the right-hand of image.
Like Fig. 4, Fig. 5, the user is in towards the centre of display screen 6 at the beginning, and the right and left eyes view area that this moment, corresponding lens blooming 5 formed adapts to user's eyes position.Like Fig. 6, Fig. 7; When the user was in the left in the face of display screen 6, camera 1 collected user images and is sent to CPU2, CPU2 control step motor 3; Thereby adjustment lens blooming 5 is skew left accordingly, and the right and left eyes view area that lens blooming 5 is formed adapts to user's eyes position.Like Fig. 8, Fig. 9; When the user was in the face of display screen 6 right-hand, camera 1 collected user images and is sent to CPU2, CPU2 control step motor 3; Thereby adjustment lens blooming 5 is skew to the right accordingly, and the right and left eyes view area that lens blooming 5 is formed adapts to user's eyes position.
The above, only for preferred embodiment of the present invention, so can not limit the scope that the present invention implements according to this, i.e. the equivalence of doing according to claim of the present invention and description changes and modification, all should still belong in the scope that the present invention contains.
Claims (3)
1. a bore hole 3 D displaying method of following the tracks of position of human eye automatically is characterized in that: specifically comprise the steps:
Step 10, the user images through camera collection screen the place ahead are to CPU;
Step 20, CPU judge the position of user before screen through processing after receiving user images, send corresponding control information then to stepper motor;
Step 30, said stepper motor are according to the physical location of control information adjustment lens blooming on screen; Thereby realize the variation of user's right and left eyes view area; Said CPU disposes the demonstration control that indicative control unit carries out the right and left eyes view simultaneously, and indicative control unit is brought in constant renewal in the right and left eyes view and it is shown to display screen.
2. the bore hole 3 D displaying method of a kind of automatic tracking position of human eye according to claim 1 is characterized in that: said user images is the image that comprises user's head position information.
3. bore hole 3-D display structure of automatically following the tracks of position of human eye; It is characterized in that: it comprises camera, CPU, stepper motor, indicative control unit, lens blooming, display screen; Said camera is connected to CPU; Said CPU is connected respectively to indicative control unit, stepper motor; Said indicative control unit is connected to display screen, and said stepper motor is connected to lens blooming;
The positional information of said camera charge capture user head, and the user images that includes user's head position information that will collect is transferred to CPU;
Said CPU is responsible for coming the position of judges before screen according to the user images that camera is caught, and according to the position of user before screen, stepper motor sends control information;
Said stepper motor is responsible for receiving the physical location of adjustment lens blooming on screen after the control information of CPU, and left and right sides view area is changed to adapt to user's eyes position;
Said lens blooming is responsible for the left and right sides view of display screen is reflected back formation right and left eyes vision area;
Said indicative control unit is responsible for that the right and left eyes view information is sent to display screen and is shown;
Said display screen is responsible for the right and left eyes view is shown at interval, and scioptics refraction back forms the right and left eyes view area, finally realizes 3 D stereo view effect.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708843A (en) * | 2012-05-15 | 2012-10-03 | 中兴通讯股份有限公司 | Terminal image processing method and terminal |
| CN103051906A (en) * | 2012-12-13 | 2013-04-17 | 深圳市奥拓电子股份有限公司 | Integral imaging naked eye three-dimensional autostereoscopic LED (light emitting diode) display system and display screen thereof |
| CN103049080A (en) * | 2012-12-05 | 2013-04-17 | 江苏清投视讯科技有限公司 | Invisible movable large screen device |
| CN103234514A (en) * | 2013-04-03 | 2013-08-07 | 广州市佳思信息科技有限公司 | Methods for distance measurement and offset measurement with single camera and for realizing naked eye 3D grating adjustment |
| CN103455294A (en) * | 2012-05-29 | 2013-12-18 | 西门子公司 | Device for simultaneous presentation of multiple items of information |
| CN104541504B (en) * | 2012-08-10 | 2017-03-08 | 弗劳恩霍弗应用技术研究院 | For by more than two different images while the automatic stereo screen for reproducing and method |
| WO2019084892A1 (en) * | 2017-11-03 | 2019-05-09 | 深圳市柔宇科技有限公司 | Display control method and head-mounted display device |
| CN113238656A (en) * | 2021-05-25 | 2021-08-10 | 北京达佳互联信息技术有限公司 | Three-dimensional image display method and device, electronic equipment and storage medium |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102708843A (en) * | 2012-05-15 | 2012-10-03 | 中兴通讯股份有限公司 | Terminal image processing method and terminal |
| CN102708843B (en) * | 2012-05-15 | 2017-02-15 | 中兴通讯股份有限公司 | Terminal image processing method and terminal |
| CN103455294A (en) * | 2012-05-29 | 2013-12-18 | 西门子公司 | Device for simultaneous presentation of multiple items of information |
| CN104541504B (en) * | 2012-08-10 | 2017-03-08 | 弗劳恩霍弗应用技术研究院 | For by more than two different images while the automatic stereo screen for reproducing and method |
| CN103049080A (en) * | 2012-12-05 | 2013-04-17 | 江苏清投视讯科技有限公司 | Invisible movable large screen device |
| CN103051906A (en) * | 2012-12-13 | 2013-04-17 | 深圳市奥拓电子股份有限公司 | Integral imaging naked eye three-dimensional autostereoscopic LED (light emitting diode) display system and display screen thereof |
| CN103234514A (en) * | 2013-04-03 | 2013-08-07 | 广州市佳思信息科技有限公司 | Methods for distance measurement and offset measurement with single camera and for realizing naked eye 3D grating adjustment |
| CN103234514B (en) * | 2013-04-03 | 2015-05-13 | 广州市佳思信息科技有限公司 | Methods for distance measurement and offset measurement with single camera and for realizing naked eye 3D grating adjustment |
| WO2019084892A1 (en) * | 2017-11-03 | 2019-05-09 | 深圳市柔宇科技有限公司 | Display control method and head-mounted display device |
| CN113238656A (en) * | 2021-05-25 | 2021-08-10 | 北京达佳互联信息技术有限公司 | Three-dimensional image display method and device, electronic equipment and storage medium |
| CN113238656B (en) * | 2021-05-25 | 2024-04-30 | 北京达佳互联信息技术有限公司 | Three-dimensional image display method and device, electronic equipment and storage medium |
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Application publication date: 20120104 |