CN101159881A - Bare hole visible liquid crystal raster stereoscopic picture display apparatus - Google Patents
Bare hole visible liquid crystal raster stereoscopic picture display apparatus Download PDFInfo
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- CN101159881A CN101159881A CNA2007100312802A CN200710031280A CN101159881A CN 101159881 A CN101159881 A CN 101159881A CN A2007100312802 A CNA2007100312802 A CN A2007100312802A CN 200710031280 A CN200710031280 A CN 200710031280A CN 101159881 A CN101159881 A CN 101159881A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 18
- 239000011521 glass Substances 0.000 abstract description 5
- 238000003384 imaging method Methods 0.000 abstract description 3
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- 208000003464 asthenopia Diseases 0.000 abstract 1
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- 208000002173 dizziness Diseases 0.000 description 1
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- 206010016256 fatigue Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
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Abstract
The invention discloses a naked eye LCS stereopicture display device, which pertains to autostereoscopic imaging display technical field. The naked eye LCS stereopicture display device includes a PC, an image screen, a double screen card equipped inside the PC and a LCD shutter raster screen equipped in front of the image screen. The image screen and a filter screen are connected with the double screen card respectively. By the invention, people can watch stereopicture without wearing special glasses or helmet and can move freely from different directions to watch different facades of the stereopicture, with no eyestrain. The invention also can be applied in advertisement and entertainment place, as well as stereotelevision and also can be applied in science research, medical observation, engineering exploration and other fields.
Description
Technical field
The present invention relates to autostereoscopic imaging Display Technique field (AutostereoscopicDisplas), be specifically related to a kind of bare hole visible liquid crystal raster stereoscopic picture display apparatus.
Background technology
The method of three-dimensional imaging and principle have multiple, for example: people shoot to same scenery simultaneously with the apish right and left eyes of two cameras, in a screen,, just can see three-dimensional film then to the projection synchronously of two films as long as spectators put on special polarised light glasses; On the display of television set or computer, make the odd-numbered frame width of cloth of electronics scanning linear show left eye figure, the even frame width of cloth shows right eye figure, spectators put on a shutter glasses, allow left eyeglass lens be synchronized with the odd-numbered frame width of cloth and open, and allow the right eye eyeglass be synchronized with the even frame width of cloth and just open and can see stereo-picture; Also have a kind of beholder of allowing to put on the glasses of helmet-type, left and right sides eyeglass respectively is a miniscope, left side projection left eye figure, and therefore the right projection right eye figure can make the people feel to have among the relief virtual environment as entering one.Recently the more than ten years, a kind of naked eye visible stereo image explicit representation that is called has also newly appearred.Special instrument (for example above-mentioned glasses and the helmet) need not be worn exactly and just stereo-picture can be watched.Basic principle in the naked eye visible stereo image display packing is to utilize a special picture, all odd number alignments are used for representing a width of cloth right eye figure on this special picture, all even number alignments are used for representing a width of cloth left eye figure, on the position of certain setting, see through grating, right eye just in time can be seen all the odd number ranks on the figure, left eye just in time can be seen all the even number ranks on the figure, that is to say that right eye sees that just in time right eye figure, left eye just in time see left eye figure, we just can see a stereo-picture intuitively like this.But above technology or be need be by some special installations, or the observer must stay in same place can not voluntary activity, and this has also caused inconvenience.The bare hole visible liquid crystal raster stereoscopic picture display apparatus that the present invention proposes just in time can remedy above deficiency.
Summary of the invention
At above deficiency, the objective of the invention is to utilize LCD TV to make and to wear the display unit that special spectacles just can be watched stereo-picture, the beholder can move freely, the not ipsilateral of stereo-picture can be seen on the different directions, eyes physiologic fatigability and infringement can be do not caused.
Purpose of the present invention is achieved through the following technical solutions:
A kind of bare hole visible liquid crystal raster stereoscopic picture display apparatus, it comprises PC main frame and image screen, it is characterized in that it also comprises grating screen and double screen card, wherein the grating screen is arranged on image screen the place ahead, the double screen card is arranged in the PC main frame, and image screen is connected with the double screen card respectively with the grating screen.
Described image screen is various liquid crystal TV sets.
Described double screen card is the computer graphic card, can be presented at two two field pictures respectively on two display screens synchronously.
Described grating screen is the Liquid Crystal Module of LCD TV.
The present invention compared with prior art has following advantage and beneficial effect:
(1) stereo-picture that produces of this device is the stereo-picture that a kind ofly has panoramic vision, need not to wear special spectacles, can many people watches, has high image resolution simultaneously;
(2) image of the stereo-picture that produces of this device to be a kind of beholder can see on the different angles different lateral facial images;
(3) stereo-picture that produces of this device can allow the convergent angle of beholder's eyes and the focal length be that nature cooperates, and can not cause that eyes are ached and dizzy sensation;
(4) this device can be applied to advertisement and public place of entertainment and stereoscopic TV, can also be used for wide spectrums such as scientific research, medical observation, engineering sounding.
Description of drawings
Fig. 1 is the structural representation of bare hole visible liquid crystal raster stereoscopic picture display apparatus;
Fig. 2 (a) and (b), (c), (d), (e) are liquid crystal grating screen principle of compositionality figure;
Fig. 3 (a) and (b) are region projection ratio juris figure;
Fig. 4 is a subpoint Coordinate Calculation schematic diagram;
Fig. 5 is the schematic diagram of reproduction stereo-picture;
Fig. 6 is the algorithm flow chart that produces a plurality of record cells.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment;
As shown in Figure 1, this bare hole visible liquid crystal door raster stereoscopic picture display apparatus comprises PC main frame 1, is provided with the double screen card in the PC main frame 1, image screen 2, and image screen 2 the place aheads are provided with grating screen 3, and image screen 2 is connected with the double screen card respectively with grating screen 3; The double screen card is general computer graphic transaction card, can be presented at two frame figures synchronously on grating screen and the image screen.
The course of work of this bare hole visible liquid crystal raster stereoscopic picture display apparatus is:
(1) by 3 d object scanning instrument or artificial design, obtain the three-dimensional modeling data of stereo-picture, and the double screen card in the input PC main frame.The 3 d object scanning instrument comprises laser three-D object scanner, Medical Devices X-CT, RMI, B ultrasonic sonic apparatus, engineering surveying instrument.Artificial design is meant uses graphics software to comprise that 3DS MAX, MAYA etc. carry out stereo-image producing, and the three-dimensional modeling data of stereo-picture comprises the three-dimensional coordinate of being had a few of representing object surface shape and color thereof, gray scale;
(2) utilize double screen in the PC main frame to be stuck in the grating screen and go up and show a raster pattern, this raster pattern is by the rectilinear(-al) perpendicular to the ground direction (being called the grating linear array) that can printing opacity.The geometric properties of grating linear array can be used raster data B[G (M), PH (I)] describe, wherein G (M) represents the density of grating linear array, the phase place of PH (I) expression grating linear array, M represents the some prime number order that the grating linear array is separated by between the line on the directions X, I is illustrated on the directions X grid stroke battle array integral body by the some prime number order of translation.
Fig. 2 (a) expression grating screen is gone up every the situation that 5 points are plain when showing a grid stroke, between this moment printing opacity line apart from M=5, I=0, the density of its grating linear array is G (5), the phase place of grating linear array is PH (0); Fig. 2 (b)) expression grating screen is gone up every the situation that 5 points are plain when showing a grid stroke, and the density of its grating linear array is G (5), but the grating linear array by integral body to right-hand translation the plain distance of point, the phase place of grating linear array is PH (1); Fig. 2 (c)) expression grating screen is gone up every the situation that 5 points are plain when showing a grid stroke, but the grating linear array by integral body to right-hand translation two plain distances of point, the density of grating lattice is G (5), the phase place of grating lattice is PH (2,0); Fig. 2 (d)) expression grating screen is gone up every the situation that 5 points are plain when showing a grid stroke, but the printing opacity dot matrix by integral body to right-hand translation three some prime number distances, the density meter of grating lattice is shown G (5), the phase place of grating lattice is PH (3).Fig. 2 (e)) expression grating screen is gone up every the situation that 5 points are plain when showing a grid stroke, but the printing opacity dot matrix by integral body to right-hand translation four some prime number distances, the density meter of grating lattice is shown G (5), the phase place of grating lattice is PH (4).
(3) shown in Fig. 3 (a), each the bar grid stroke that a stereo-picture 6 is seen through grating screen 5 projects on the image screen 2, if but without stint carries out projection to stereo-picture facing to each grating hole, perspective view will overlap each other on image screen 2, can not produce correct image.Need utilize the region projection method could produce correct image
Shown in Fig. 3 (b), the region projection method is exactly the grid stroke on the relative grating screen, the PC main frame marks off a between recording areas, b, c, d, e, f...... on image screen 2, shield 5 the place aheads at grating and mark off respective projection space A, B, C, D, E, F......, be to be center line between recording areas with the grid stroke opened on the grating screen, on image screen, be the rectangle that width delimited with adjacent gratings distance between centers of tracks T, projector space is meant and is in grating screen the place ahead, is the triangular prism shaped space on summit with the grid stroke.The three-dimensional modeling data point that is in the stereo-picture 6 in the A projector space can both see through in grid stroke be projected between corresponding a recording areas, the three-dimensional modeling data point that is in the stereo-picture 6 in the B projector space can both see through in grid stroke be projected between corresponding b recording areas, and the rest may be inferred by analogy for it.The pointwise of PC main frame is calculated each three-dimensional modeling data point and is passed behind the grid stroke subpoint parameter in image screen 2, note the coordinate (Xb, Yb) and corresponding color Col, the gray scale L thereof of subpoint, thereby above-mentioned stereo-picture by stages is noted, obtain continuous anaglyph data W [Xb, Yb, L, Col].
Shown in Fig. 4 (a) and Fig. 4 (b), the calculating principle of the coordinate of subpoint (Xb, Yb) is: at first supposing has a luminous point A in the space, the A luminous point is created in the Xb value of the subpoint on the image screen and can be represented by following equation: Xb=X3-(Xa-X3) * ZO/ (Za-ZO), wherein:
Xa: the X coordinate of some A;
X3: the X coordinate of the grid stroke of numbering 3;
Za: some A is to the distance of image screen;
Z0: the distance between grating screen and the image screen;
Xb: the X coordinate of some A subpoint on image screen.
The Yb of the subpoint of A luminous point on image screen:
Yb＝Ya
Ya: the Y coordinate of some A;
Obtain raster pattern B[G (M), PH (I) by PC control liquid crystal grating screen].Adopt the corresponding raster pattern B of region projection method then, the stereo-picture by stages is calculated, obtain continuous anaglyph data W [Xb, Yb, L, Col], and obtain continuous disparity map W.Raster pattern B and continuously disparity map W form the record cell R of stereo-picture, be designated as R{W[Xb, Yb, L, Col], B[G (M), PH (I)];
(4) as shown in Figure 5, a record cell R input PC main frame, by the double screen card the continuous disparity map W of the width of cloth among the record cell R is presented on the image screen 2, an amplitude grating figure B in the record cell is presented on the grating screen 3, the light source 7 of image screen 2 is mapped to the grid stroke that the image of recording areas a, b, c, d, e, f sees through on the grating screen 3 in the preceding space of grating screen, and beholder 8 just can see the stereo-picture 6 of a reproduction in the space in grating screen front.
A record cell R can stereoscopic images displayed precision depend mainly on the density G (M) of grating linear array, the digital M among the G (M) is big more, the density of grating linear array is just more little, the precision of the stereo-picture of reproduction is poor more.Otherwise on the contrary then.
(5), need many group records of utilization explicit representation to show stereo-picture for improving the precision of stereo-picture.As shown in Figure 6, in the double screen card in the PC main frame, produce p record cell R by setting p the different grating lattice of phase place, for example: get p=5 and produce 5 record cell R, the density of each grating linear array is identical, is respectively:
G1(5)G2(5)G3(5)G4(5)G5(5)
But the phase place of each grating linear array is inequality, is respectively:
PH1(0)PH2(1)PH3(2)PH4(3)PH5(4)
Thereby draw the different raster pattern B of 5 phase places:
B1[G1(5)、PH1(0)]
B2[G2(5)、PH2(1)]
B3[G3(5)、PH3(2)]
B4[G4(5)、PH4(3)]
B5[G5(5)、PH5(4)]
Corresponding 5 raster patterns draw 5 corresponding disparity map W continuously:
W1[X，Y，L，Col]
W2[X，Y，L，Col]
W3[X，Y，L，Col]
W4[X，Y，L，Col]
W5[X，Y，L，Col]
5 raster pattern B and 5 continuous disparity map W form 5 record cell R respectively, and it comprises:
The record R1{W1[X, Y, L, Col], B1[G1 (5), PH1 (0)]
The record R2{W2[X, Y, L, Col], B2[G2 (5), PH2 (1)]
The record R3{W3[X, Y, L, Col], B3[G3 (5), PH3 (2)]
The record R4{W4[X, Y, L, Col], B4[G4 (5), PH4 (3)]
The record R5{W4[X, Y, L, Col], B4[G4 (5), PH4 (4)]
The PC main frame shows 5 record cell R at a high speed according to arranging sequence number by the double screen card, the i.e. raster pattern B1 of 5 record cells, B2, B3, B4, B5 and continuous disparity map W1, W2, W3, W4, W5 synchronously is presented at respectively on grating screen and the image screen according to arranging sequence number, when time≤0.02 that each record cell R shows second, utilize the residual visual effect of eyes, the stereo-picture of 5 record cell R generations complements each other, and the beholder just can be shielded the front at grating and be seen precision and the identical stereo-picture of grating screen resolution.
If the record cell number is p, need then that each record cell R shows time≤0.1/p second, just require the image screen of this display unit and the frame rate of grating screen to be higher than p/0.1Hz, the beholder could be shielded the front at grating and be seen precision and the identical stereo-picture of grating screen resolution.
As mentioned above, just can realize invention preferably.
Claims (4)
- A bare hole visible liquid crystal raster stereoscopic picture display apparatus, it comprises PC main frame and image screen, it is characterized in that it also comprises grating screen and double screen card, wherein the grating screen is arranged on image screen the place ahead, the double screen card is arranged in the PC main frame, and image screen is connected with the double screen card respectively with the grating screen.
- 2. bare hole visible liquid crystal raster stereoscopic picture display apparatus according to claim 1 is characterized in that, described image screen is various liquid crystal TV sets.
- 3. bare hole visible liquid crystal raster stereoscopic picture display apparatus according to claim 1 is characterized in that, described double screen card is the computer graphic card, can be presented at two two field pictures respectively on two display screens synchronously.
- 4. bare hole visible liquid crystal raster stereoscopic picture display apparatus according to claim 1 is characterized in that, described grating screen is the Liquid Crystal Module of LCD TV.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100312802A CN101159881A (en) | 2007-11-06 | 2007-11-06 | Bare hole visible liquid crystal raster stereoscopic picture display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100312802A CN101159881A (en) | 2007-11-06 | 2007-11-06 | Bare hole visible liquid crystal raster stereoscopic picture display apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102137269A (en) * | 2011-04-21 | 2011-07-27 | 江苏惠通集团有限责任公司 | Shutter type three-dimensional glass synchronous system and method |
| CN102970573A (en) * | 2011-08-30 | 2013-03-13 | 索尼公司 | Display device and electronic unit |
| US8908018B2 (en) | 2009-12-30 | 2014-12-09 | Lg Display Co., Ltd. | Apparatus and method for displaying three-dimensional image |
| CN107632405A (en) * | 2017-11-14 | 2018-01-26 | 苏州数艺网络科技有限公司 | Dynamic bore hole 3D vision imaging devices |
| CN109474819A (en) * | 2018-11-06 | 2019-03-15 | 利亚德光电股份有限公司 | The rendering method and device of image |
-
2007
- 2007-11-06 CN CNA2007100312802A patent/CN101159881A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8908018B2 (en) | 2009-12-30 | 2014-12-09 | Lg Display Co., Ltd. | Apparatus and method for displaying three-dimensional image |
| CN102137269A (en) * | 2011-04-21 | 2011-07-27 | 江苏惠通集团有限责任公司 | Shutter type three-dimensional glass synchronous system and method |
| CN102137269B (en) * | 2011-04-21 | 2013-02-13 | 江苏惠通集团有限责任公司 | Shutter type three-dimensional glass synchronous system and method |
| CN102970573A (en) * | 2011-08-30 | 2013-03-13 | 索尼公司 | Display device and electronic unit |
| CN107632405A (en) * | 2017-11-14 | 2018-01-26 | 苏州数艺网络科技有限公司 | Dynamic bore hole 3D vision imaging devices |
| CN109474819A (en) * | 2018-11-06 | 2019-03-15 | 利亚德光电股份有限公司 | The rendering method and device of image |
| CN109474819B (en) * | 2018-11-06 | 2022-02-01 | 北京虚拟动点科技有限公司 | Image presenting method and device |
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