CN104820293B - 3 d display device and stereo display method - Google Patents
3 d display device and stereo display method Download PDFInfo
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- CN104820293B CN104820293B CN201510259085.XA CN201510259085A CN104820293B CN 104820293 B CN104820293 B CN 104820293B CN 201510259085 A CN201510259085 A CN 201510259085A CN 104820293 B CN104820293 B CN 104820293B
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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
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/317—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using slanted parallax optics
Abstract
The invention discloses a kind of 3 d display device and stereo display method.The 3 d display device includes：Grating array, it is made up of two or more parameter identical raster unit, and the raster unit is placed perpendicular to horizontal direction；Display unit, the display unit are made up of multiple secondary display units, and with the horizontal direction into a predetermined angle slant setting；Stereo-picture arranges figure processing unit, for obtaining row's figure Interpolation Proportions of each display unit, and according to row's figure Interpolation Proportions, determines the grey decision-making of each secondary display unit in each display unit.The moire fringes of grating can be effectively eliminated by the present invention, reduce the crosstalk between right and left eyes image.
Description
Technical field
The present invention relates to stereo display technique field, more particularly to a kind of 3 d display device and stereo display method.
Background technology
Naked-eye stereoscopic display has more and more been applied to consumer level and has shown products.Bore hole stereoscopic display at present
In the application of device, a protrusion need to solve the problems, such as be, due to periodic array structure on 3 D grating and display panel,
Moire fringes are easily formed, influence display effect.
The method generally used to eliminate moire fringes at present is by 3 D grating slant setting, with the pixel knot being vertically arranged
Configuration forms an angle, so that the width of moire fringes diminishes as far as possible, improves the definition of picture.
During stating the scheme for eliminating moire fringes in realization, inventor has found the side placed using above grating slope
Method can cause 3 D visible space to be restricted, and the longitudinal separation that can watch solid is obviously reduced compared to theoretical case.Together
When this method also had certain limitations in the effect for eliminating moire fringes, such as if display pixel is in irregular shape, arrangement is not
If good, then moire fringes can not be eliminated well.It is in addition, some other three-dimensional aobvious in combination using the configuration mode of oblique raster
When showing supplementary means, more problem can be also run into, such as combines tracing of human eye scheme.Due in display module manufacturing process, nothing
Method ensures that the fitting angle of oblique raster is completely the same, therefore in order to reach good tracking and matching effect, it is necessary to increase inclination
The step of angle correct, this adds increased cost of manufacture, and reduce product yield.
The content of the invention
The present invention solves the technical problem of a kind of 3 d display device and stereo display method is provided, for eliminating
Moire fringes present in prior art, reduce the crosstalk between right and left eyes image.
In order to solve the above technical problems, the present invention provides a kind of 3 d display device, including：
Grating array, it is made up of two or more parameter identical raster unit, and the raster unit is perpendicular to level side
To placement；
Display unit, the display unit are made up of multiple secondary display units, and with the horizontal direction into a preset angle
Spend slant setting；
Stereo-picture arranges figure processing unit, for obtaining row's figure Interpolation Proportions of each display unit, and according to described
Figure Interpolation Proportions are arranged, determine the grey decision-making of each secondary display unit in each display unit.
Alternatively, the stereo-picture row figure processing unit, in addition to：
Picture position determining module, for according to raster pitch, place distance, viewing distance draws row's figure pitch, and with
Row's figure pitch is the cycle, passes through row's figure pitch and time projected length of the display unit length in the horizontal direction
Relation, the grey decision-making for calculating each secondary display unit comes from left-eye image or eye image.
Alternatively, the stereo-picture row figure processing unit, including：
Figure Interpolation Proportions computing module is arranged, for the figure being divided to form according to each secondary display unit, calculates each display
Row's figure Interpolation Proportions of unit；
Figure processing module is arranged, for according to row's figure Interpolation Proportions, determining that each display is single in each display unit
The grey decision-making of member.
Alternatively, the figure that each secondary display unit is divided to form comprises at least the shape of figure, area and secondary aobvious
Show the horizontal width thrin of unit.
Alternatively, row's figure Interpolation Proportions computing module is specifically used for：
According to the raster pitch of the raster unit, the horizontal width of tilted-putted secondary display unit and each display
The initial coordinate values of unit, the shape that each secondary display unit is divided into the figure of corresponding left-eye image and eye image is obtained,
And the area of the figure of corresponding left-eye image and the figure of corresponding eye image is calculated according to the shape of the figure, according to institute
State row's figure Interpolation Proportions of each display unit described in the areal calculation of the figure of corresponding left-eye image and eye image.
Alternatively, the horizontal width of the raster pitch of the raster unit and the secondary display unit meets specific right
When should be related to, exist in the shape of the figure for being divided into left-eye image or eye image of each secondary display unit triangle or
Pentagon is trapezoidal.
Alternatively, described device also includes：
Human eye tracing unit, for gathering the positional information of beholder.
Alternatively, described device also includes：Pixel number unit, for each display unit respectively according to odd-numbered line
And even number line serial number.
Alternatively, the raster unit includes：Slit grating unit or column mirror grating unit.
Alternatively, described device also includes：
Block unit, positioned at the edge of image display area.
The present invention also provides a kind of stereo display method, applied to the 3 d display device comprising grating array, its feature
It is, the grating array is made up of two or more parameter identical raster unit, and the raster unit is perpendicular to level side
To placement, methods described includes：
Row's figure Interpolation Proportions of each display unit are obtained, wherein, each display unit is made up of multiple secondary display units,
And from the horizontal by a predetermined angle slant setting；
According to row's figure Interpolation Proportions, the grey decision-making of each secondary display unit in each display unit is determined.
Alternatively, methods described also includes：
Row's figure pitch is drawn according to raster pitch, placement distance, viewing distance, and using row's figure pitch as the cycle, led to
Row's figure pitch and time relation of projected length of the display unit length in the horizontal direction are crossed, it is single to calculate each display
The grey decision-making of member comes from left-eye image or eye image.
Alternatively, the row's figure Interpolation Proportions for obtaining each display unit, it is specially：
The figure being divided to form according to each secondary display unit, calculate row's figure Interpolation Proportions of each display unit.
Alternatively, the figure that each secondary display unit is divided to form comprises at least the shape of figure, area and secondary aobvious
Show the horizontal width thrin of unit.
Alternatively, the area of the figure being divided to form according to each secondary display unit, the row of each display unit is calculated
Figure Interpolation Proportions, are specifically included：
According to the raster pitch of the raster unit, the horizontal width of tilted-putted secondary display unit and each display
The initial coordinate values of unit, obtain each secondary display unit and be divided into corresponding left-eye image and the shape of eye image figure；
The area of the figure of corresponding left-eye image and the figure of corresponding eye image is calculated according to the shape of the figure；
According to the corresponding left-eye image and row's figure interpolation ratio of each display unit of areal calculation of the figure of eye image
Example.
Alternatively, before the row's figure Interpolation Proportions for obtaining each display unit, in addition to：
Gather the positional information of beholder.
Alternatively, methods described also includes：
To each display unit respectively according to odd-numbered line and even number line serial number.
Alternatively, methods described also includes：
The edge of shielded image viewing area, to eliminate the sawtooth that image is shown.
In embodiments of the present invention, placed by raster unit perpendicular to horizontal direction, and display unit and level side
To into a predetermined angle slant setting, and according to row's figure Interpolation Proportions of each display unit got, determine each display
The grey decision-making of each secondary display unit in unit, can eliminate the moire fringes of grating array, reduce the string between right and left eyes image
Disturb.
Brief description of the drawings
Fig. 1 is the 3 d display device structural representation of the embodiment of the present invention；
Fig. 2 is the column mirror grating of the embodiment of the present invention and the relative position relation schematic diagram of display unit；
Segmentation schematic diagrames of the Fig. 3 for raster unit in the embodiment of the present invention to secondary display unit unit；
Fig. 4 is in the embodiment of the present invention display unit by column mirror grating unit cutting state schematic diagram；
Fig. 5 is the processing schematic diagram of display panel edge display pixel in the embodiment of the present invention；
Fig. 6 is the stereo display method schematic flow sheet of the embodiment of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
If it should be noted that not conflicting, each feature in the embodiment of the present invention and embodiment can be tied mutually
Close, within protection scope of the present invention.In addition, though functional module division is carried out in schematic device, in flow
Logical order is shown in figure, but in some cases, the Module Division in device is can be differently configured from, or it is suitable in flow chart
Sequence performs shown or described step.
Fig. 1 is the structural representation of the 3 d display device of the embodiment of the present invention.As shown in figure 1,3 d display device bag
Include：
Grating array 11, it is made up of two or more parameter identical raster unit, and raster unit is perpendicular to horizontal direction
Place；The wherein identical mainly raster pitch including each raster unit of parameter is identical.
In embodiments of the present invention, above-mentioned raster unit can be slit grating unit or column mirror grating unit,
For example be liquid crystal lens, moreover, grating array 11 is made up of two or more parameter identical raster unit, each raster unit
It is each perpendicular to horizontal direction to place, namely the direction of raster unit extension is identical with display panel picture vertical direction, Mei Geguang
The width of grid unit is referred to as raster pitch.
Display unit 12, the display unit are made up of multiple secondary display units, and from the horizontal by a predetermined angle
Slant setting；Here display unit 12 can be that multiple pixel cells are formed or single pixel unit, and correspondingly,
Secondary display unit can be single pixel unit or sub-pixel, and a such as common pixel cell is by tri- sons of R, G, B
Pixel is formed.Illustrate in latter embodiments by taking pixel cell and sub-pixel as an example, it is not limited to this, to display unit and
Secondary display unit is also within the scope of the present invention using other division methods.
In embodiments of the present invention, the orientation of the display unit 12 has greater obliquity with horizontal direction, such as 45 degree
Left and right.Each display unit can be square structure, have between display unit and display unit and between secondary display unit bright
Aobvious black matrix segmentation, the bearing of trend of black matrix have larger angle relative to the long side direction or short side direction of screen, led to
Angle is 45 degree or so in the case of often.Other black matrix is in addition to the bearing of trend with straight line, also with certain fold-line-shaped
Shape, to match different display panel design requirements.
Stereo-picture row's figure processing unit 13, for obtaining row's figure Interpolation Proportions of each display unit, and according to the row
Figure Interpolation Proportions, determine the grey decision-making of each secondary display unit in each display unit；Wherein, row's figure Interpolation Proportions refer to calculate
Left-eye image and eye image proportion on each secondary display unit of each display unit.Here row's figure is primarily referred to as solid
Image calculates or stereo-picture pixel coder, i.e., assigns predetermined grey decision-making respectively to pixel cell or sub-pixel.
In embodiments of the present invention, stereo-picture row's figure processing unit 13, including：
Figure Interpolation Proportions computing module 131 is arranged, for the figure being divided to form according to each secondary display unit, is calculated each aobvious
Show row's figure Interpolation Proportions of unit；Herein, can calculate each display unit according to the area of figure being split to form
Arrange figure Interpolation Proportions；The horizontal width for directly calculating time display unit is can also be, is schemed with the row of this determination left-and right-eye images
Interpolation Proportions.Its specific method is by calculating raster pitch, the horizontal width and difference of tilted-putted secondary display unit
The initial coordinate values of secondary display unit, it can be deduced that the state that each secondary display unit is split by raster unit.Further according to secondary display
Show that the horizontal width of left-eye image content figure and the horizontal width of the figure of eye image content draw its interpolation in unit
Ratio, and then obtain the display content of this display unit.Further, it is also possible to it is other to be calculated according to graphic feature such as shape
Row's figure Interpolation Proportions of each display unit.
Figure processing module 132 is arranged, for according to row's figure Interpolation Proportions, determining each display in each display unit
The grey decision-making of unit.
Wherein, row's figure Interpolation Proportions computing module 131 is specifically used for：
According to the raster pitch of raster unit, the horizontal width of tilted-putted secondary display unit and each secondary display unit
Initial coordinate values, obtain the shape that each secondary display unit is divided into the figure of corresponding left-eye image and eye image, and root
The area of the figure of corresponding left-eye image and the figure of corresponding eye image is calculated according to the shape of the figure, according to described right
Answer row's figure Interpolation Proportions of each display unit of areal calculation of the figure of left-eye image and eye image.
In embodiments of the present invention, by calculating raster pitch, the horizontal width of tilted-putted secondary display unit and
The not initial coordinate values of homogeneous display unit, it can be deduced that the state that each secondary display unit is split by raster unit, if secondary aobvious
Show that unit is split by raster unit, the length ratio of contrast time display unit left-eye image and eye image horizontal component can be passed through
Example, it can be determined that go out left-eye image and eye image and be divided into triangle and pentagon respectively or all to be trapezoidal, and according to length
Degree ratio and angle of inclination, by the shape for the figure being divided to form, the area of left-eye image and eye image can be calculated, and
Foundation using the area of figure as row's figure Interpolation Proportions.
In embodiments of the present invention, stereo-picture row's figure processing unit 13, in addition to：
Picture position determining module 133, for drawing row's figure pitch according to raster pitch, placement distance, viewing distance, and
To arrange figure pitch as the cycle, by arranging figure pitch and time relation of the projected length of display unit length in the horizontal direction, meter
Calculate each display unit and belong to left-eye image position or eye image position.
In the bright embodiment of the present invention, row's figure pitch needs to use viewing distance, places distance, these ginsengs of raster pitch
Number, is calculated according to specific formula, because specific calculation formula is known to those of ordinary skill in the art, this
Place repeats no more.
Wherein, raster pitch refers to the width of each raster unit, places distance and refers to that grating is filtered to display panel is colored
The distance between photosphere, it is among it glass material, viewing distance refers to that stereoeffect viewing point optimal under design parameter arrives
The distance of screen.Row's figure pitch refers to the graphical arrangement cycle corresponding with the raster pitch of raster unit on display screen.
In embodiments of the present invention, due to display unit oblique arrangement, the arrangement of image when calculating three-dimensional row's figure cycle
Cycle is the projected length of the several secondary display units covered according to each raster unit in the horizontal direction counts for unit
Calculate, that is, the length for arranging figure unit is time length of display unit divided by the sine value of secondary display unit level inclination.
In embodiments of the present invention, when raster pitch and the pass of time projected length of display unit length in the horizontal direction
When system meets certain corresponding relation, the crosstalk caused by segmentation to secondary display unit is smaller.This corresponding relation can pass through
The cut-off rule shape that is divided into secondary display unit of raster unit is calculated to judge, i.e., when the cut-off rule of diverse location will be time aobvious
When showing that unit is divided into left-eye image position and eye image position, no matter left-eye image or eye image have a quilt all the time
Triangulation region, then crosstalk caused by arranging figure in this case is smaller, there is more preferable row's figure effect.
In embodiments of the present invention, 3 d display device also includes：
Human eye tracing unit 14, for gathering the positional information of beholder, so that picture position and beholder's location matches.
In embodiments of the present invention, to realize correct tracking effect, human eye tracing unit 14 can be utilized to stereogram
The rank results of picture are corrected so that right and left eyes image accurately distributes to the corresponding position of beholder.Its specific practice is
Human eye tracing unit 14 is corrected to the horizontal level of stereoscopically displaying images, i.e. the people by the way that human eye tracing unit 14 is gathered
Eye positional information adjusts the position skew of stereo-picture, the effect for being divided space matches the left and right of beholder as variable
Eye position.
In embodiments of the present invention, 3 d display device also includes：
Pixel number unit 15, for each display unit respectively according to odd-numbered line and even number line serial number.
In embodiments of the present invention, because display unit 12 uses oblique arrangement, therefore each display unit is being calculated
During position, its odd-line pixels and even number line display unit have different initial values, simultaneously because raster unit is using vertical
Place, then row's figure Interpolation Proportions of each secondary display unit of each vertical setting of types display unit are all identicals, therefore each calculating
During row's figure interpolation of individual display unit, you can first to calculate the first row odd-numbered line and the second each display unit of row even number line
Figure Interpolation Proportions are arranged, then above Interpolation Proportions are applied to each odd-numbered line and each even number line.It can be seen that above interpolation meter
The method of calculation can greatly improve computational efficiency compared to the mode that whole display units participate in calculating.
In embodiments of the present invention, 3 d display device also includes：
Block unit 16, positioned at the edge of image display area.
In embodiments of the present invention, block unit is used for the display unit at shielded image viewing area edge, formation rule
Viewing area, can utilize block unit 16 to pixel of the display unit of oblique arrangement on the edge of display picture with black
Color frame glue is encapsulated concordantly into standard rectangular frame, to eliminate the sawtooth effect at edge.
In embodiments of the present invention, placed by raster unit perpendicular to horizontal direction, and display unit and level side
To row's figure Interpolation Proportions of each display unit into a predetermined angle slant setting, and according to acquisition, determine that each display is single
The grey decision-making of each secondary display unit in member, can eliminate the moire fringes of grating array, reduce the crosstalk between right and left eyes image.
Simultaneously as grating array is placed vertically, the 3 D visible region formed has maximum utilizability, has observer
Maximum removable space, and compared to the structure using tilted-putted grating array, reduce correction raster unit and tilt
The flow of angle, reduce the flow of correction, improve production efficiency and product yield, there is more stable tracking result, do not allow
Easily there is ghost image, the excessive situation of crosstalk, moreover, each display unit is numbered using pixel number unit, the row's of reducing figure
Operand, reduce processor occupancy, raising efficiency.
With reference to specific accompanying drawing, embodiments of the present invention is further illustrated.
Fig. 2 is the column mirror grating array of the embodiment of the present invention and the relative position relation schematic diagram of display unit, such as Fig. 2 institutes
Show, the vertical and horizontal face of column mirror grating array 21 is placed, the orientation of the display unit 22 on display panel and horizontal direction
There is very high inclination-angle, such as 45 degree or so.GTG show value on display panel during row's figure of each pixel is according to itself and column mirror grating
The relativeness of array is calculated.Due to pixel oblique arrangement, when calculating three-dimensional row and scheming the cycle, the arrangement period of image is
The projected length of the several secondary display units covered according to each column mirror grating unit in the horizontal direction is that unit calculates,
That is row's figure length in row's figure cycle is time length of display unit divided by the sine value of secondary display unit level inclination.
Segmentation schematic diagram of the raster unit to secondary display unit unit is illustrated in figure 3, as shown in figure 3, column mirror grating battle array
(i.e. each raster unit) corresponds to the He of part 32 that time display unit shows left-eye image content respectively in each cycle of row 31
The part 33 of eye image content, secondary display unit show the part 32 of left-eye image content and the part 33 of eye image content
Cut-off rule be defined by the center line of column mirror grating array 31.As can be seen from Figure 3 on display panel correspondence position odd number
Row or even number line have identical row's figure interpolation respectively.Therefore when calculating row's graph parameter of each secondary display unit,
Only need to confirm row's figure effect of odd-numbered line and even number line, then apply it on all display units of display panel i.e.
Can.
In embodiments of the present invention, row's figure computational methods that stereo-picture row's figure processing unit is carried out are as described below, with picture
In pixel array, exemplified by some main pixel, first relative to normally horizontally arranged pel array, institute during the present invention is implemented
The oblique arrangement pixel-wise of use, its pixel-map table need reference numeral again, i.e., reaffirm certain according to angle of inclination
The numbering of one main pixel, it is determined that after main pixel number, according to the raster pitch of column mirror grating array and main pixel level direction
On length, the grey decision-making for calculating the pixel comes from left-eye image part or eye image part, and with floating number side
Formula calculates the percentage of left-eye image and eye image shared by each secondary display unit, wherein, floating number is also floating number, floats
Points include integer part and fractional part, integer part represent in time display unit and right and left eyes image specifically with any width image
Incidence relation, fractional part represents time display unit and the gray value relation of associated right and left eyes image, more specifically,
It is secondary aobvious that the fractional part of floating number represents that the gray value of the relevant position of the right and left eyes image associated by time display unit is filled into
Show the percentage of unit, such as, the integer 1 in floating number 1.8 represents to associate with left-eye image, and fractional part 0.8 represents association
Gray value in the relevant position of left-eye image is filled into the percentage of this display unit.When carrying out percentage calculating, it is
Obtaining accurate result needs to consider to carry out by the angle of inclination of pixel, i.e., the display surface that raster unit cutting time display unit obtains
Product is trapezoidal, pentagon or triangle.Each secondary display unit right and left eyes image difference institute is determined in conjunction with angle of inclination
After the ratio accounted for, the grey decision-making of each secondary display unit is finally determined by arranging figure Processing Algorithm, row's figure string is reduced so as to reach
The effect disturbed.Split as Fig. 4 illustrates time display unit in the embodiment of the present invention by column mirror grating unit, calculating left and right eye pattern
During as proportion, several possible cutting states, as shown in Fig. 4 (a), the area shared by its left-eye image is pentagon, its
Area shared by eye image is triangle；As shown in Fig. 4 (b), the area shared by its left-eye image and eye image is all ladder
Shape, as shown in Fig. 4 (c), the area shared by its left-eye image is triangle, and the area shared by its eye image is pentagon.When
The shape for the left-and right-eye images that time display unit is divided into is determined, it is possible to calculate its respective area, it is known that condition includes
Secondary display unit width, angle of inclination, right and left eyes image part of horizontal component proportion etc..If divided have triangle, i.e.,
The area of triangle can be obtained, remainder is pentagonal area；If divided part is trapezoidal, right and left eyes
The area ratio of image section is the ratio of its horizontal component length.
As shown in figure 5, be the processing schematic diagram of display panel edge display pixel in the embodiment of the present invention, as shown in figure 5,
Because display panel 52 uses oblique arrangement mode, the pixel at display panel edge is out-of-flatness, as shown in figure 5, using
In the method that frame 51 is blocked in edge increase in viewing area, the crenellated phenomena for showing area is eliminated.
In embodiments of the present invention, placed by column mirror grating array perpendicular to horizontal direction, and display unit and water
Square to each display unit into a predetermined angle slant setting, and according to acquisition row's figure Interpolation Proportions, determine described each aobvious
Show the grey decision-making of each secondary display unit in unit, the moire fringes of column mirror grating array can be eliminated, reduce right and left eyes image
Crosstalk.Simultaneously as column mirror grating array is placed vertically, the 3 D visible region formed has maximum utilizability, makes
Observer has maximum removable space, and compared to the structure using tilted-putted column mirror grating array, reduces school
The flow at positive raster unit angle of inclination, reduces the flow entirely corrected, improves production efficiency and product yield, has more steady
Fixed tracking result, it is not easy to ghost image, the excessive situation of crosstalk occur, moreover, being compiled using pixel number unit to pixel cell
Number, the operand of the row's of reducing figure, reduce processor occupancy, raising efficiency.
Fig. 6 is stereo display method schematic flow sheet of the embodiment of the present invention, as shown in fig. 6, methods described, applied to comprising
The 3 d display device of grating array, the grating array is made up of two or more parameter identical raster unit, and grating list
Member is placed perpendicular to horizontal direction, the described method comprises the following steps：
S61, row's figure Interpolation Proportions of each display unit are obtained, wherein, each display unit is made up of secondary display unit,
And from the horizontal by a predetermined angle slant setting.
In embodiments of the present invention, row's figure Interpolation Proportions of each display unit are obtained, are specially：
The figure being divided to form according to each secondary display unit, calculate row's figure Interpolation Proportions of each display unit.It is described each
The figure that secondary display unit is divided to form comprise at least the shape of figure, area and secondary display unit horizontal width three it
One.
Wherein, the area for the figure being divided to form according to each secondary display unit, row's figure interpolation of each display unit is calculated
Ratio, specifically include：
According to the raster pitch of raster unit, the horizontal width of tilted-putted secondary display unit and each secondary display unit
Initial coordinate values, obtain the shape of the figure for being divided into corresponding left-eye image and eye image of each secondary display unit,
The area of the figure of corresponding left-eye image and eye image is calculated according to the graphics shape,
According to row's figure Interpolation Proportions of each display unit of the areal calculation of the left-eye image and eye image figure.
In embodiments of the present invention, specifically, the proportion computing technology of right and left eyes image content is as follows：By calculating light
Grid width, the not horizontal width of tilted-putted secondary display unit and the initial coordinate values of homogeneous display unit, it can be deduced that
The secondary display unit to be calculated that is, if secondary display unit is split by grating, can pass through contrast by raster unit cutting state
The length ratio of left-eye image and eye image horizontal component in secondary display unit, judge time display corresponding to right and left eyes image
Unit is divided into triangle and pentagon or all to be trapezoidal respectively, and according to length ratio and angle of inclination, by being divided figure
The shape of shape, the area of right and left eyes image can be calculated, the foundation as row's figure Interpolation Proportions.
In embodiments of the present invention, in embodiments of the present invention, when raster pitch and time display unit length are in level side
When the relation of upward projected length meets certain corresponding relation, the crosstalk caused by segmentation to secondary display unit is smaller.This
Shape that pixel can be divided into by kind of corresponding relation by calculating the cut-off rule of raster unit judges, i.e., when diverse location
When secondary display unit is divided into left eye position and right eye position by cut-off rule, no matter left eye or right eye have one to be divided into all the time
Delta-shaped region, then crosstalk caused by arranging figure in this case is smaller, there is more preferable row's figure effect.
S62, according to row's figure Interpolation Proportions, determine the grey decision-making of each secondary display unit in each display unit.
In embodiments of the present invention, shared by determining each secondary display unit right and left eyes image respectively with reference to angle of inclination
Ratio after, the grey decision-making of each secondary display unit can be finally determined by arranging figure Processing Algorithm, row's figure is reduced so as to reach
The effect of crosstalk.
In embodiments of the present invention, methods described, in addition to：
Row's figure pitch is drawn, and to arrange figure pitch as the cycle, passes through row according to raster pitch, placement distance, viewing distance
Figure pitch and time relation of the projected length of display unit length in the horizontal direction, it is to belong to left eye figure to calculate each display unit
Image position or eye image position.
In embodiments of the present invention, placed vertically because grating uses, then each secondary display unit of each vertical setting of types pixel
Row's figure Interpolation Proportions be all identical, therefore calculate display panel each pixel interpolation when, you can first to calculate
Row's figure Interpolation Proportions of the first row odd-numbered line and the second each pixel of row even number line, then above Interpolation Proportions are applied to each strange
Several rows and each even number line.It can be seen that the method for above interpolation calculation is compared to the mode that whole pixels participate in calculating, Ke Yi great
It is big to improve computational efficiency.
In embodiments of the present invention, oblique arrangement pixel can be put down on the edge of display picture with the encapsulation of black frame glue
Together into standard rectangular frame, to eliminate the sawtooth effect at edge.
It should be noted that in embodiments of the present invention stereoscopic display row drawing method each step, due to this hair
Bright 3 d display device embodiment is based on same design, and the particular content in device embodiment is equally applicable.
In embodiments of the present invention, by grating perpendicular to horizontal direction place, and display unit from the horizontal by
One predetermined angle slant setting, and row's figure Interpolation Proportions of each display unit according to acquisition, are determined in each display unit
The grey decision-making of each secondary display unit, the moire fringes of grating can be eliminated, reduce the crosstalk of right and left eyes image.Simultaneously as light
Grid are placed vertically, and the 3 D visible region formed has maximum utilizability, observer is had maximum removable sky
Between, and compared to the structure using tilted-putted grating, reduce the flow of correction grating slope angle, reduce correction
Flow, production efficiency and product yield are improved, there is more stable tracking result, it is not easy to ghost image, the excessive feelings of crosstalk occur
Condition, moreover, being numbered using pixel number unit to display unit, the operand of the row's of reducing figure, processor occupancy is reduced, is carried
Rise efficiency.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (18)
- A kind of 1. 3 d display device, it is characterised in that including：Grating array, it is made up of two or more parameter identical raster unit, and the raster unit is put perpendicular to horizontal direction Put；Multiple display units, each display unit are made up of multiple secondary display units, and pre- into one with the horizontal direction If angle tilt is placed；Stereo-picture arranges figure processing unit, for obtaining row's figure Interpolation Proportions of each display unit, and according to row's figure interpolation Ratio, determine the grey decision-making of each secondary display unit in each display unit；The 3 d display device also includes：Pixel number unit, for each display unit respectively according to odd-numbered line and Even number line serial number, the stereo-picture row figure processing unit first obtain the first row odd-numbered line and the second each picture of row even number line Row's figure Interpolation Proportions of element, then above row's figure Interpolation Proportions are applied to each odd-numbered line and each even number line, and according to each Row's figure Interpolation Proportions of odd-numbered line and each even number line determine the grey decision-making of each secondary display unit in each display unit.
- 2. device according to claim 1, it is characterised in that the stereo-picture arranges figure processing unit, in addition to：Picture position determining module, for drawing row's figure pitch according to raster pitch, placement distance, viewing distance, and with described It is the cycle to arrange figure pitch, passes through row's figure pitch and time pass of projected length of the display unit length in the horizontal direction System, the grey decision-making for calculating each secondary display unit come from left-eye image or eye image.
- 3. device according to claim 1 or 2, it is characterised in that the stereo-picture arranges figure processing unit, including：Figure Interpolation Proportions computing module is arranged, for the figure being divided to form according to each secondary display unit, calculates each display unit Row's figure Interpolation Proportions；Figure processing module is arranged, for according to row's figure Interpolation Proportions, determining each secondary display unit in each display unit Grey decision-making.
- 4. device according to claim 3, it is characterised in that the figure that each secondary display unit is divided to form is at least The horizontal width thrin of shape, area and secondary display unit including figure.
- 5. device according to claim 4, it is characterised in that row's figure Interpolation Proportions computing module is specifically used for：According to the raster pitch of the raster unit, the horizontal width of tilted-putted secondary display unit and each secondary display unit Initial coordinate values, obtain the shape that each secondary display unit is divided into the figure of corresponding left-eye image and eye image, and root The area of the figure of corresponding left-eye image and the figure of corresponding eye image is calculated according to the shape of the figure, according to described right Answer row's figure Interpolation Proportions of each display unit described in the areal calculation of the figure of left-eye image and eye image.
- 6. device according to claim 5, it is characterised in that the raster pitch of the raster unit is aobvious with described time When showing that the horizontal width of unit meets specific corresponding relation, each secondary display unit is divided into left-eye image or eye image Triangle either pentagon or trapezoidal in the shape of figure be present.
- 7. according to the device any one of claim 1,2,4,5 or 6, it is characterised in that described device also includes：Human eye tracing unit, for gathering the positional information of beholder.
- 8. device according to claim 7, it is characterised in that the raster unit includes：Slit grating unit or cylindrical mirror Raster unit.
- 9. device according to claim 7, it is characterised in that described device also includes：Block unit, positioned at the edge of image display area.
- 10. device according to claim 3, it is characterised in that described device also includes：Human eye tracing unit, for gathering the positional information of beholder.
- A kind of 11. stereo display method, applied to the 3 d display device comprising grating array, it is characterised in that the grating Array is made up of two or more parameter identical raster unit, and the raster unit is placed perpendicular to horizontal direction, the side Method includes：Row's figure Interpolation Proportions of each display unit are obtained, wherein, each display unit is made up of multiple secondary display units, and with Horizontal direction is into a predetermined angle slant setting；According to row's figure Interpolation Proportions, the grey decision-making of each secondary display unit in each display unit is determined；Wherein, before the row's figure Interpolation Proportions for obtaining each display unit, methods described also includes distinguishing each display unit According to odd-numbered line and even number line serial number,Wherein, the row's figure difference for obtaining each display unit includes than row：Obtain the first row odd-numbered line and the second row even number line Row's figure Interpolation Proportions of each pixel, above row's figure Interpolation Proportions are applied to each odd-numbered line and each even number line.
- 12. according to the method for claim 11, it is characterised in that also include：Row's figure pitch is drawn, and using row's figure pitch as the cycle, passes through institute according to raster pitch, placement distance, viewing distance The row's of stating figure pitch and time relation of projected length of the display unit length in the horizontal direction, calculate each secondary display unit Grey decision-making comes from left-eye image or eye image.
- 13. the method according to claim 11 or 12, it is characterised in that the row's figure interpolation ratio for obtaining each display unit Example, it is specially：The figure being divided to form according to each secondary display unit, calculate row's figure Interpolation Proportions of each display unit.
- 14. according to the method for claim 13, it is characterised in that the figure that each secondary display unit is divided to form is extremely The horizontal width thrin of shape including figure, area and secondary display unit less.
- 15. according to the method for claim 14, it is characterised in that the figure being divided to form according to each secondary display unit The area of shape, row's figure Interpolation Proportions of each display unit are calculated, are specifically included：According to the raster pitch of the raster unit, the horizontal width of tilted-putted secondary display unit and each secondary display unit Initial coordinate values, obtain each secondary display unit and be divided into corresponding left-eye image and the shape of eye image figure；The area of the figure of corresponding left-eye image and the figure of corresponding eye image is calculated according to the shape of the figure；According to the corresponding left-eye image and row's figure Interpolation Proportions of each display unit of areal calculation of the figure of eye image.
- 16. according to the method any one of claim 11,12,14 or 15, it is characterised in that obtain each display described Before row's figure Interpolation Proportions of unit, in addition to：Gather the positional information of beholder.
- 17. according to the method for claim 16, it is characterised in that also include：The edge of shielded image viewing area, to eliminate the sawtooth that image is shown.
- 18. according to the method for claim 13, it is characterised in that in the row's figure Interpolation Proportions for obtaining each display unit Before, in addition to：Gather the positional information of beholder.
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| CN106028022A (en) * | 2016-05-27 | 2016-10-12 | 京东方科技集团股份有限公司 | Method and device for making three-dimensional image |
| CN105933697B (en) * | 2016-06-30 | 2017-10-27 | 北京邮电大学 | A kind of method and device of grating parameter output |
| CN110351544B (en) * | 2019-06-25 | 2021-01-12 | 北京邮电大学 | Three-dimensional image coding method and device for naked eye 3D display |
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