CN102710956A - Naked 3D track display method and equipment - Google Patents
Naked 3D track display method and equipment Download PDFInfo
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- CN102710956A CN102710956A CN2012101797360A CN201210179736A CN102710956A CN 102710956 A CN102710956 A CN 102710956A CN 2012101797360 A CN2012101797360 A CN 2012101797360A CN 201210179736 A CN201210179736 A CN 201210179736A CN 102710956 A CN102710956 A CN 102710956A
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Abstract
The invention discloses a naked 3D track display method and equipment. The method comprises the steps as follows: an image collector collects images of a viewer; an image processor determines the position of the viewer; according to the position of the viewer, a traversing module finds a liquid crystal grating state value corresponding to the position of the viewer, which is determined by the image processor from a index list corresponding to the position of the viewer, and the liquid crystal grating state value comprises a plurality of adjacent grating units and the driving manner of each of the plurality of adjacent grating units; a grating driving module finds the liquid crystal grating state value according to the traversing module to drive the liquid crystal gratings; and image information is displayed by a displaying screen. The invention further disclosed naked 3D track display equipment. According to the invention, a 3D display region can be regulated according to the spatial location of the viewer, so that the viewer can always senses a 3D displaying effect during motion.
Description
Technical field
The present invention relates to the stereo display field, relate in particular to three-dimensional track display method of a kind of bore hole and device.
Background technology
People's eyes are in same plane basically, but between two certain spacing are arranged, and sight line can form an intersecting angle when therefore watching object, and angle is big more, and third dimension and distance perspective are just strong more.Because the existence of intersecting angle, the picture that eyes are seen is also inequality, has just produced " parallax ", obtains complete stereopsis, three-dimensional in other words (three-dimensional is called for short 3D) image after the picture that two width of cloth have a parallax is handled through brain.Bore hole need not be worn the 3D glasses in other words and also can see and draw 3D effect.
Stereoscopic display device is to utilize the characteristic of human eye parallax to show 3D effect.The picture that common stereoscopic display device will have parallax outputs on the three-dimensional display, then this stereoscopic parallax picture is sent to beholder's right and left eyes, and then synthetic stereo image.
In the present bore hole stereo display technique, viewing location is more fixing, and the beholder can only just can watch proper stereo-picture in the stereos copic viewing zone.As beholder during not in this zone, will occur instead looking, situation such as ghost image, distortion, have a strong impact on the stereo display effect.
Summary of the invention
For solving in the above-mentioned bore hole stereo display technique after beholder's change in location, the problem that can not watch suitable image, the present invention adopts following technical scheme:
The present invention provides a kind of bore hole three-dimensional track display method, and it comprises:
Image acquisition device is gathered beholder's image;
Image processor obtains facial image in the beholder's who collects image, and calculates the position of confirming the beholder according to said facial image;
Spider module is according to said beholder's position; In beholder position and each other corresponding concordance list; Search the definite beholder's of image processor the pairing liquid crystal grating state value in position, said liquid crystal grating state value comprises each raster unit type of drive separately in a plurality of adjacent raster units and the said a plurality of adjacent raster unit;
The liquid crystal grating state value that the grating driver module finds according to said spider module drives liquid crystal grating;
The display screen displays image information.
The present invention also provides a kind of bore hole the three-dimensional display unit of following the trail of, and it comprises:
Image acquisition device is used to gather beholder's image;
Image processor is used for obtaining facial image at the beholder's who collects image, and calculates the position of confirming the beholder according to said facial image;
Spider module; Be used for position according to said beholder; In beholder position and each other corresponding concordance list; Search the definite beholder's of image processor the pairing liquid crystal grating state value in position, said liquid crystal grating state value comprises each raster unit type of drive separately in a plurality of adjacent raster units and the said a plurality of adjacent raster unit;
The grating driver module is used for the liquid crystal grating state value that finds according to said spider module, drives liquid crystal grating; And
Display screen, adjacent setting with said liquid crystal grating is used for displays image information.
The three-dimensional track display method of above-mentioned bore hole adopts image acquisition device and image processor to confirm beholder's position with device; Position according to the beholder; Adjust liquid crystal grating accordingly, make the direction of light transmission also change thereupon, still reach beholder's right and left eyes; Thereby realized adjustment stereo display zone, locus, made the beholder in the process that moves, can see the 3D display effect all the time according to the beholder.
Description of drawings
Fig. 1 is the three-dimensional track display method schematic flow sheet of a kind of bore hole of the present invention.
Fig. 2 is liquid crystal grating of the present invention and the raster unit sketch map that comprises thereof.
The concordance list sketch map of Fig. 3 for being adopted in the three-dimensional track display method of a kind of bore hole of the present invention.
Fig. 4 changes sketch map for the present invention according to the corresponding liquid crystal grating transmission region of beholder's change in location.
Fig. 5 is the three-dimensional display unit first embodiment sketch map of following the trail of of a kind of bore hole of the present invention.
Fig. 6 is the three-dimensional display unit second embodiment sketch map of following the trail of of a kind of bore hole of the present invention.
Fig. 7 is three-dimensional display unit the 3rd embodiment sketch map of following the trail of of a kind of bore hole of the present invention.
Embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
See also Fig. 1, it is the three-dimensional track display method schematic flow sheet of a kind of bore hole of the present invention.
The present invention provides a kind of bore hole three-dimensional track display method, and it comprises:
Step S1, image acquisition device are gathered beholder's image;
In the present embodiment, image acquisition device is a camera, utilizes this camera to gather beholder's image in real time.
Step S2, image processor obtain facial image in the beholder's who collects image, and calculate the position of confirming the beholder according to said facial image;
Image processor and image acquisition device interconnect, and image processor can be processor or single-chip microcomputer.Except; Confirm outside beholder's the position according to the area of facial image and the relation of standard faces area; Image processor can also confirm that the beholder is parallel to the distance that moves horizontally of display screen according to the distance between distance between the right and left eyes in the said facial image and the average face right and left eyes; Certainly, can also confirm the vertical moving distance of beholder perpendicular to display screen.
Step S3, spider module are according to said beholder's position; In beholder position and each other corresponding concordance list; Search the definite beholder's of image processor the pairing liquid crystal grating state value in position, said liquid crystal grating state value comprises each raster unit type of drive separately in a plurality of adjacent raster units and the said a plurality of adjacent raster unit;
As shown in Figure 2; Liquid crystal grating 10 comprises a plurality of raster units 11; A raster unit is a least unit, and several adjacent raster units are formed one group, are defined as grating group 12; Also promptly a grating group defines a raster pitch (particularly a slit pitch of grating group definition or a lens pitch), and then liquid crystal grating just comprises a plurality of adjacent grating groups.For instance, a grating group comprises 4 raster units, and perhaps a grating group comprises 6 raster units, and certainly, a grating group also can comprise the raster unit of other quantity.In Fig. 2, a grating group comprises 6 raster units.Certainly, liquid crystal slit grating and liquid crystal lens grating are similar.
The a plurality of adjacent raster unit that liquid crystal grating state value in the concordance list is included is exactly the grating group.As shown in Figure 3, shown in one group of grating group has been shown in the concordance list, this grating group comprises 6 raster units, is respectively raster unit a, raster unit b, raster unit c, raster unit d, raster unit e, and raster unit f.
In the present embodiment, said type of drive comprises first driving condition and second driving condition, and when a raster unit made it be in first driving condition in grating driver module driving liquid crystal grating, light saw through the raster unit that is in first driving condition; When a raster unit in grating driver module driving liquid crystal grating made it belong to second driving condition, light can not see through the raster unit that is in second driving condition.
Bright for instance below, beholder's position A and B, for being parallel to the distance that moves horizontally of display screen:
In first moment, image processor confirms that beholder's position is: beholder's position A, and spider module is in concordance list; Find beholder's the pairing liquid crystal grating state value of position A A ': raster unit a is first driving condition; Raster unit b is first driving condition, and raster unit c is second driving condition, and raster unit d is second driving condition; Raster unit e is second driving condition, and raster unit f is second driving condition.
In second moment, image processor confirms that beholder's position is: beholder's position B, and spider module is in concordance list; Find beholder's the pairing liquid crystal grating state value of position B B ': raster unit a is second driving condition; Raster unit b is first driving condition, and raster unit c is first driving condition, and raster unit d is second driving condition; Raster unit e is second driving condition, and raster unit f is second driving condition.
The liquid crystal grating state value that step S4, grating driver module find according to said spider module drives liquid crystal grating; As shown in Figure 4, among Fig. 4 top figure 1,2,3,4,5,6 remarked pixels or sub-pixel.
Middle plot is shown in first constantly, receives the driving of grating driver module, and the raster unit a of liquid crystal grating is first driving condition, and printing opacity, raster unit b are first driving condition, printing opacity; And raster unit c is second driving condition, and raster unit d is second driving condition, and raster unit e is second driving condition, and raster unit f is second driving condition, neither printing opacity.
Below figure is illustrated in second constantly, receives the driving of grating driver module, and the raster unit a of liquid crystal grating is second driving condition, and is light tight, and raster unit b is first driving condition, and printing opacity, raster unit c are first driving condition, printing opacity; And raster unit d is second driving condition, and raster unit e is second driving condition, and raster unit f is second driving condition,, neither printing opacity.
Also be; The beholder causes the printing opacity of liquid crystal grating and lighttight position also to change in first moment and second change in location constantly, makes to correspondence light still via liquid crystal grating; Be transferred to beholder's right and left eyes; Realized the change in location according to the beholder, correspondence ground adjustment light transmission direction makes the beholder watch suitable stereopsis.
Further, the grating driver module is through carrying voltage to drive liquid crystal grating to the electrode of liquid crystal grating.
When the beholder moves both vertically between display screen; When beholder's distance display screen was too near or too far away, the grating driver module drove liquid crystal grating and is called plano lens, does not also promptly change the direction of propagation of light; Display screen correspondingly switched to and showed the 2D image information this moment, carried out 2D and showed.
Step S5, display screen displays image information.
When carrying out 3D when showing, comprise the anaglyph of left eye and right eye in the said display screen institute images displayed information.
When carrying out the 2D demonstration, said grating driver module drives said liquid crystal grating, makes light can see through said liquid crystal grating, and does not change the transmission direction of light.
See also Fig. 5, it is the three-dimensional display unit first embodiment sketch map of following the trail of of a kind of bore hole of the present invention.
The present invention provides a kind of bore hole the three-dimensional display unit of following the trail of, and it comprises: image acquisition device 100, image processor 200, spider module 300, index module 400, grating driver module 500, liquid crystal grating 600, and display screen 700.Wherein, said liquid crystal grating 600 is liquid crystal slit gratings.
And, consult Fig. 3, bright by following as an exampleBSEMGVR takeN-PSVSEMOBJ again, wherein, beholder's position A and B, for being parallel to the distance that moves horizontally of display screen:
In first moment, image processor 200 confirms that beholders' position is: beholder's position A, and spider module 300 is in concordance list; Pairing liquid crystal grating 600 state value A ': the raster unit a of position A that find the beholder are first driving condition; Raster unit b is first driving condition, and raster unit c is second driving condition, and raster unit d is second driving condition; Raster unit e is second driving condition, and raster unit f is second driving condition.
In second moment, image processor 200 confirms that beholders' position is: beholder's position B, and spider module 300 is in concordance list; Pairing liquid crystal grating 600 state value B ': the raster unit a of position B that find the beholder are second driving condition; Raster unit b is first driving condition, and raster unit c is first driving condition, and raster unit d is second driving condition; Raster unit e is second driving condition, and raster unit f is second driving condition.
Said index table stores is in index module 400.
Also be; The beholder causes the printing opacity of liquid crystal grating 600 and lighttight position also to change in first moment and second change in location constantly, makes to correspondence light still via liquid crystal grating 600; Be transferred to beholder's right and left eyes; Realized the change in location according to the beholder, correspondence ground adjustment light transmission direction makes the beholder watch suitable stereopsis.
In addition; When the beholder moves both vertically between display screen 700; When beholder's distance display screen 700 was too near or too far away, the grating driver module drove liquid crystal grating and is called plano lens, does not also promptly change the direction of propagation of light; Display screen correspondingly switched to and showed the 2D image information this moment, carried out 2D and showed.
See also Fig. 6, it is the three-dimensional display unit second embodiment sketch map of following the trail of of a kind of bore hole of the present invention.
Compared to first embodiment, its difference is: liquid crystal grating 800 is liquid crystal lens gratings.
See also Fig. 7, it is three-dimensional display unit the 3rd embodiment sketch map of following the trail of of a kind of bore hole of the present invention.
Compared to first embodiment, its difference is: spider module 900 also is used to drive display screen, electrically connects each other with said display screen.In the present embodiment, spider module 900 is a processor, not only can drive display screen, also can drive liquid crystal grating through the grating driver module.
The embodiment of the invention adopts image acquisition device and image processor to confirm beholder's position; Position according to the beholder; Adjust liquid crystal grating accordingly, make the direction of light transmission also change thereupon, still reach beholder's right and left eyes; Thereby realized adjustment stereo display zone, locus, made the beholder in the process that moves, can see the 3D display effect all the time according to the beholder.In addition, the liquid crystal grating that the present invention adopted can be compatible mutually with existing LCD process technique, is prone to realize producing in batches, and can realizes that 2D/3D switches.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to the embodiment that is disclosed.
Claims (10)
1. the three-dimensional track display method of bore hole is characterized in that, comprising:
Image acquisition device is gathered beholder's image;
Image processor obtains facial image in the beholder's who collects image, and calculates the position of confirming the beholder according to said facial image;
Spider module is according to said beholder's position; In beholder position and each other corresponding concordance list; Search the definite beholder's of image processor the pairing liquid crystal grating state value in position, said liquid crystal grating state value comprises each raster unit type of drive separately in a plurality of adjacent raster units and the said a plurality of adjacent raster unit;
The liquid crystal grating state value that the grating driver module finds according to said spider module drives liquid crystal grating;
The display screen displays image information.
2. the three-dimensional track display method of a kind of bore hole according to claim 1; It is characterized in that; Said type of drive comprises first driving condition and second driving condition; When a raster unit made it be in first driving condition in grating driver module driving liquid crystal grating, light saw through the raster unit that is in first driving condition; When a raster unit in grating driver module driving liquid crystal grating made it belong to second driving condition, light can not see through the raster unit that is in second driving condition.
3. the three-dimensional track display method of a kind of bore hole according to claim 1 is characterized in that said index table stores is in index module.
4. the three-dimensional track display method of a kind of bore hole according to claim 1 is characterized in that, said position according to the definite beholder of said facial image calculating further comprises:
Confirm that according to the distance between distance between the right and left eyes in the said facial image and the average face right and left eyes beholder is parallel to the distance that moves horizontally of display screen.
5. the three-dimensional track display method of a kind of bore hole according to claim 1 is characterized in that said liquid crystal grating is liquid crystal slit grating or liquid crystal lens grating.
6. the three-dimensional display unit of following the trail of of bore hole is characterized in that, comprising:
Image acquisition device is used to gather beholder's image;
Image processor is used for obtaining facial image at the beholder's who collects image, and calculates the position of confirming the beholder according to said facial image;
Spider module; Be used for position according to said beholder; In beholder position and each other corresponding concordance list; Search the definite beholder's of image processor the pairing liquid crystal grating state value in position, said liquid crystal grating state value comprises each raster unit type of drive separately in a plurality of adjacent raster units and the said a plurality of adjacent raster unit;
The grating driver module is used for the liquid crystal grating state value that finds according to said spider module, drives liquid crystal grating; And
Display screen, adjacent setting with said liquid crystal grating is used for displays image information.
7. the three-dimensional display unit of following the trail of of a kind of bore hole according to claim 6; It is characterized in that; Said type of drive comprises first driving condition and second driving condition; When a raster unit made it be in first driving condition in grating driver module driving liquid crystal grating, light saw through the raster unit that is in first driving condition; When a raster unit in grating driver module driving liquid crystal grating made it belong to second driving condition, light can not see through the raster unit that is in second driving condition.
8. the three-dimensional display unit of following the trail of of a kind of bore hole according to claim 6 is characterized in that also comprise index module, said index table stores is in index module.
9. the three-dimensional display unit of following the trail of of a kind of bore hole according to claim 6; It is characterized in that; Said image processing apparatus comprises apart from determination module, saidly confirms that according to the distance between distance between the right and left eyes in the said facial image and the average face right and left eyes beholder is parallel to the distance that moves horizontally of display screen apart from determination module.
10. the three-dimensional display unit of following the trail of of a kind of bore hole according to claim 6 is characterized in that said liquid crystal grating is liquid crystal slit grating or liquid crystal lens grating.
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