CN105933697B - A kind of method and device of grating parameter output - Google Patents
A kind of method and device of grating parameter output Download PDFInfo
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- CN105933697B CN105933697B CN201610511455.9A CN201610511455A CN105933697B CN 105933697 B CN105933697 B CN 105933697B CN 201610511455 A CN201610511455 A CN 201610511455A CN 105933697 B CN105933697 B CN 105933697B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- 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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- 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
- H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
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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
- H04N2013/0074—Stereoscopic image analysis
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Abstract
The invention discloses a kind of method and device of grating parameter output, applied to 3D parameters of display accurate measuring techniques field, including：The default raster pitch of Lenticular screen display and inclination angle are obtained, viewpoint matrix composite diagram is determined；Viewpoint matrix composite diagram is included on Lenticular screen display, parallax composite diagram is generated；Raster pitch and the inclination angle of Lenticular screen display are adjusted, final parallax composite diagram is generated；Export the raster pitch of the corresponding Lenticular screen display of final parallax composite diagram and the numerical value at inclination angle.The present invention realizes the accurate measurement to Lenticular screen display raster pitch and inclination angle, effectively prevent the alignment error between Lenticular screen and 2D display screens, more time saving and energy saving.
Description
Technical field
The present invention relates to 3D parameters of display field of measuring technique, the method and dress of especially a kind of grating parameter output
Put.
Background technology
3D Display Techniques are gradually ripe and enter popular life, are that people bring higher-quality video display to enjoy.Post is saturating
Mirror 3D Display Techniques are good with its 3D display effect, and the advantages of brightness is high is shown one's talent in 3D Display Techniques.
Existing Lenticular screen 3D displays (hereinafter referred to as Lenticular screen display) are main saturating by 2D display screens and post
Mirror grating is constituted.But due to the production error of Lenticular screen when dispatching from the factory, the installation between 2D display screens and Lenticular screen is missed
The reasons such as difference, causing to dispatch from the factory has error between parameter and actual parameter, it is therefore desirable to which the parameter to Lenticular screen display is entered
Row is remeasured.But existing e measurement technology (such as shearing interference method, Moire fringe technique etc.) measurement accuracy is low, it is necessary to apply to
Optical instrument, and also need to individually take out Lenticular screen measurement, it is pole so for the fabulous raster display of closure
Its is unfavorable.When dispatching from the factory, the parameter between original screen panel and 2D display screens has just been fixed, any one of mobile, can all be caused
The change of all parameters.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method and device of grating parameter output, and the numerical value of output is more
Accurately, and other optical instruments need not be introduced, also need not individually takes out Lenticular screen measurement, effectively prevent post lens
Alignment error between grating and 2D display screens, it is more time saving and energy saving.
To reach above-mentioned purpose, the present disclosure provides a kind of method of grating parameter output, including：
Obtain the default raster pitch of Lenticular screen display and the initial value at inclination angle；
According to the default raster pitch of Lenticular screen display and the initial value at inclination angle, initial viewpoint matrix is determined
Composite diagram；
The initial viewpoint matrix composite diagram is included on the Lenticular screen display, generation initial parallax synthesis
Figure；
According to the initial parallax composite diagram, raster pitch and/or the inclination angle of the Lenticular screen display are adjusted
Numerical value, generates final parallax composite diagram, wherein, the final parallax composite diagram is the parallax synthesis for reaching predetermined display effect
Figure；
Output generate the final parallax composite diagram when the corresponding Lenticular screen display raster pitch and incline
The numerical value at angle.
Preferably, the determination initial viewpoint matrix composite diagram, including：
Obtain the number of raster pitch and viewpoint；
According to the raster pitch and the number of the viewpoint, the number of the sub-pixel of unit viewpoint covering is determined, wherein,
The number of the sub-pixel of the unit viewpoint covering is not integer；
The number for the sub-pixel that the unit viewpoint is covered is rounded, and obtains actual sub-pixel after rounding；
The viewpoint is filled according to the actual sub-pixel, the initial viewpoint matrix composite diagram is generated.
Preferably, the number of the sub-pixel that the unit viewpoint is covered is rounded, actual sub-pixel after rounding is obtained,
Including：
The percentage that the unit viewpoint accounts for the sub-pixel size is obtained, the sub-pixel is accounted for according to the unit viewpoint
The percentage of size rounds the number of the sub-pixel, obtains actual sub-pixel after described round, wherein, the sub- picture of reality
Gray value needed for the viewpoint of percent maximum of the gray value of element filling to account for the actual sub-pixel size.
Preferably, the number of the sub-pixel that the unit viewpoint is covered is rounded, actual sub-pixel after rounding is obtained,
Including：
Obtain the sub-pixel and preset the distance that frame presets edge to sub-pixel correspondence grating, according to the distance
The number of the sub-pixel is rounded, actual sub-pixel after described round is obtained.
Preferably, the raster pitch and/or the numerical value at inclination angle of the regulation Lenticular screen display, generation are final
Parallax composite diagram, including：
According to the demand of user's reality output precision, raster pitch and the inclination angle of the Lenticular screen display are obtained
Adjust unit；
According to the raster pitch of the Lenticular screen display and the regulation unit at inclination angle, repeatedly regulation determines viewpoint square
The raster pitch of Lenticular screen display used and/or inclination angle, generate final viewpoint matrix composite diagram during battle array composite diagram；
The final viewpoint matrix composite diagram is included on the Lenticular screen display, the final parallax is generated
Composite diagram.
The embodiment of the present invention discloses the device exported there is provided a kind of grating parameter, including：
Acquisition module, the initial value for obtaining the default raster pitch of Lenticular screen display and inclination angle；
Computing module, for the raster pitch and the initial value at inclination angle according to the Lenticular screen display, it is determined that just
Beginning viewpoint matrix composite diagram；
Display module, for including viewpoint matrix composite diagram, in Lenticular screen display, to generate parallax composite diagram；
Adjustment module, for adjusting the raster pitch of the Lenticular screen display and/or the numerical value at inclination angle, generation is most
Whole parallax composite diagram, wherein, the final parallax composite diagram is the parallax composite diagram for reaching predetermined display effect；
Output module, the grating of corresponding Lenticular screen display when generating the final parallax composite diagram for exporting
Pitch and the numerical value at inclination angle.
Preferably, the computing module includes：
Parameter acquiring submodule, the number for obtaining raster pitch and viewpoint；
Number of sub-pixels determination sub-module, for the number according to the raster pitch and the viewpoint, determines unit viewpoint
The number of the sub-pixel of covering, wherein, the number of the sub-pixel of the unit viewpoint covering is not integer；
Sub-pixel rounds submodule, and the number of the sub-pixel for the unit viewpoint to be covered is rounded, after being rounded
Actual sub-pixel；
Viewpoint fills submodule, for filling the viewpoint according to the actual sub-pixel, generates the initial viewpoint square
Battle array composite diagram.
Include preferably, the sub-pixel rounds submodule：
Percentage rounds unit, the percentage of the sub-pixel size is accounted for for obtaining the unit viewpoint, according to described
The percentage that unit viewpoint accounts for the sub-pixel size rounds the number of the sub-pixel, obtains actual sub- picture after described round
Element, wherein, the gray value of the actual sub-pixel filling is the viewpoint institute for the percent maximum for accounting for the actual sub-pixel size
The gray value needed.
Include preferably, the sub-pixel rounds submodule：
Pre-determined distance rounds unit, and frame is preset to the default side of sub-pixel correspondence grating for obtaining the sub-pixel
The distance of edge, rounds the number of the sub-pixel according to the distance, obtains actual sub-pixel after described round.
Preferably, the adjustment module includes：
Unit acquisition submodule, for the demand according to user's reality output precision, obtains the Lenticular screen and shows
The raster pitch of device and the regulation unit at inclination angle；
Parameter regulation submodule, for the raster pitch and the regulation list at inclination angle according to the Lenticular screen display
Position, repeatedly regulation determines raster pitch and/or the inclination angle of Lenticular screen display used during viewpoint matrix composite diagram, generation
Final viewpoint matrix composite diagram；
Final composite diagram display sub-module, for the final viewpoint matrix composite diagram to be included in the Lenticular screen
On display, the final parallax composite diagram is generated.
As seen from the above technical solution, Lenticular screen display raster pitch provided in an embodiment of the present invention and inclination angle
Measuring method effectively realizes the accurate measurement at Lenticular screen display raster pitch and inclination angle, it is not necessary to introduce other light
Instrument is learned, Lenticular screen measurement also need not be individually taken out, it is more time saving and energy saving, and effectively prevent Lenticular screen and 2D
Alignment error between display screen, composite diagram is made after the accurate parameters obtained are more convenient is used for multi-display splicing exhibition
Show.Certainly, implementing any product or method of the present invention must be not necessarily required to while reaching all the above advantage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is Lenticular screen display 3D displaying principle schematic diagrames of the prior art；
The schematic flow sheet for the method that Fig. 2 exports for the grating parameter of the embodiment of the present invention；
Fig. 3 be unit Lenticular screen of the prior art under covering K viewpoint Lenticular screen display signal
Figure；
Fig. 4 for the embodiment of the present invention Lenticular screen display in fill sub-pixel schematic diagram；
Fig. 5 for the embodiment of the present invention parameter it is accurate in the case of it is simple eye observation Lenticular screen display schematic diagram；
The schematic diagram of simple eye observation Lenticular screen display in the case of presence errors of the Fig. 6 for the embodiment of the present invention；
The schematic diagram for the device that Fig. 7 exports for the grating parameter of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Existing Lenticular screen display is one piece of Lenticular screen of addition on 2D display screen panels, and pixel light passes through
Post lens reflect the right and left eyes for parallax composite diagram being projected people, and third dimension is obtained by the stereoscopic fusion of human visual maincenter.
Referring to Fig. 1, wherein, human eye 101, for receiving the parallax composite diagram formed；Lenticular screen 102, for post lens will to be passed through
The image of grating is reflected, and forms parallax composite diagram；2D display screens 103, for showing viewpoint matrix composite diagram.
In real life, due to the production error of Lenticular screen, the installation between 2D display screens and Lenticular screen is missed
The reasons such as difference so that crosstalk is aggravated between each neighbouring viewing zones of generation parallax composite diagram, and 3D experience effects are affected.Existing measurement skill
Art (such as shearing interference method, Moire fringe technique etc.) is needed with optical instrument measurement, and needs individually to take out Lenticular screen
Measurement, is extremely disadvantageous so for the fabulous raster display of closure.When dispatching from the factory, original screen panel and 2D display screens it
Between parameter just fixed, it is any one of mobile, can all cause the change of all parameters.
Therefore, as shown in Fig. 2 the embodiments of the invention provide a kind of grating parameter output method, including：
Step 201, the default raster pitch of Lenticular screen display and the initial value at inclination angle are obtained；
Step 202, according to the default raster pitch of Lenticular screen display and the initial value at inclination angle, it is determined that initially
Viewpoint matrix composite diagram；
Step 203, the initial viewpoint matrix composite diagram is included on the Lenticular screen display, generation is initial
Parallax composite diagram；
Step 204, according to the initial parallax composite diagram, adjust the Lenticular screen display raster pitch and/
Or the numerical value at inclination angle, final parallax composite diagram is generated, wherein, the final parallax composite diagram is to reach regarding for predetermined display effect
Poor composite diagram；
Step 205, the grating of corresponding Lenticular screen display when output generates the final parallax composite diagram
Pitch and the numerical value at inclination angle.
In embodiments of the present invention, it is only necessary to utilize Lenticular screen display to be measured, it is not necessary to introduce other optical instruments,
Viewpoint matrix composite diagram is directly displayed on Lenticular screen display, it is not necessary to individually take out Lenticular screen measurement, more
It is time saving and energy saving, and the alignment error between Lenticular screen and 2D display screens is effectively prevent, the accurate parameters obtained are more
Composite diagram is made after convenient is used for multi-display splicing displaying.
It is preferred that, in one possible embodiment of the embodiment of the present invention, in the light of setting Lenticular screen display
When grid pitch and inclination angle, the initial value that can make the raster pitch of Lenticular screen display is that the initial value at 1 grating inclination angle is
0, Unit alteration amount is then determined according to actually required precision, incrementally increase Lenticular screen display raster pitch and/
Or inclination angle, until the parallax composite diagram of generation reaches predetermined display effect.
By present embodiment, raster pitch and/or the inclination angle of the Lenticular screen display, Ke Yiyou are progressively adjusted
Effect makes the parallax composite diagram of generation reach predetermined display effect.
It is preferred that, in one possible embodiment of the embodiment of the present invention, in the light of setting Lenticular screen display
When grid pitch and inclination angle, the factory-said value of the raster pitch of Lenticular screen display and inclination angle can be set as initial value, so
Afterwards according to the display effect of the parallax composite diagram of formation, the raster pitch of Lenticular screen display is incrementally increased and/or reduced
And/or inclination angle, until the parallax composite diagram of generation reaches predetermined display effect.
By present embodiment, the factory-said value of the raster pitch of Lenticular screen display and inclination angle is set as initially
Value, the initial value is more nearly actual value, the parallax composite diagram of generation is reached predetermined display effect.
As shown in figure 3, Fig. 3 is the post of covering K (K is positive integer) individual viewpoint under unit Lenticular screen of the prior art
The schematic diagram of lenticulation display, wherein θ are grating inclination angle；When the raster pitch of Lenticular screen display changes, often
The width (number of sub-pixels of each viewpoint covering) of individual viewpoint is also corresponding to be changed.The number of sub-pixels that each viewpoint is covered occurs
Change, it is meant that viewpoint matrix composite diagram is changed, so as to cause the difference of parallax composite diagram.
It is preferred that, in one possible embodiment of the embodiment of the present invention, the determination initial viewpoint matrix composite diagram,
Including：
Obtain the number of raster pitch and viewpoint；
According to the raster pitch and the number of the viewpoint, the number of the sub-pixel of unit viewpoint covering is determined, wherein,
The number of the sub-pixel of the unit viewpoint covering is not integer；
The number for the sub-pixel that the unit viewpoint is covered is rounded, and obtains actual sub-pixel after rounding；
The viewpoint is filled according to the actual sub-pixel, the initial viewpoint matrix composite diagram is generated.
When it is determined that during the initial viewpoint matrix composite diagram, to obtain the raster pitch and viewpoint of Lenticular screen display
Number, the number of raster pitch and the viewpoint further according to the Lenticular screen display, determine unit viewpoint cover
Sub-pixel number.If 2D display screens (existing 2D display screens are generally LCD display, and its block of pixels is square structure) unit
Block of pixels (includes 3 sub-pixels：RGB) length of side is 1, and Lenticular screen pitch is P,N is a cylinder lenses grating institute
The complete pixel cell number of covering, s=2*m+1 (m is natural number),Imperfect pixel portion is covered by Lenticular screen
Point, represent the ratio that this pixel is covered by correspondence Lenticular screen.Per unit post lens cover K viewpoint in horizontal direction
Unit, such viewpoint width isBecause viewpoint figure central point, to the distance of optical axis, determines that every width parallax is closed in horizontal direction
Into the space vision area of figure, so fill order is in horizontal direction, each viewpoint central point to covered Lenticular screen optical axis
Distance determine, mark fills unit in each viewpoint arrive correspondence optical axis distance, distance minimum viewpoint be denoted as viewpoint 1,
As distance increases to the maximum viewpoint of optical axis distance, (it is negative value to set central point herein to the left in optical axis, and central point is in optical axis
It is to the right be on the occasion of), be denoted as viewpoint K.When Lenticular screen rotates counterclockwise relative to vertical direction, tilt angle theta is
Just, offset delta of the i-th row (i≤K) relative to the first row is determined on vertical direction according to slopei, δi=round ((i-1)
Tan θ), wherein, round () is round function.After the filling information of sub-pixel is obtained by the above method, also
The number for the sub-pixel for covering the unit viewpoint is needed to round, because filling list minimum in actual filling process
Position is a sub-pixel.Actual sub-pixel after rounding is obtained, the initial viewpoint matrix composite diagram is generated.
It can be seen that, the computational methods provided by present embodiment can effectively determine initial viewpoint matrix composite diagram, convenient
Observation subsequently to parallax composite diagram display effect.
It is preferred that, in one possible embodiment of the embodiment of the present invention, the sub-pixel of the unit viewpoint covering
Number is not integer, including：
It is determined that, it is necessary to which the number of the sub-pixel covered to the unit viewpoint is entered during viewpoint matrix composite diagram
Row is calculated, and during actually calculating, the number of the sub-pixel of the unit viewpoint covering is not perfect integer.Example
Such as the raster pitch of a Lenticular screen displayCovered under per unit Lenticular screen under 2 viewpoints, a viewpoint
2 should be covered1/3Individual sub-pixel, the 3rd sub-pixel has 1/3 to represent the information of viewpoint 1, and 2/3 represents the information of pilot 2.When
When needing the viewpoint of filling more, the filling information of the sub-pixel of filling position rearward will be because of Lenticular screen display light
The minor variations of grid pitch and thoroughly change, therefore regulation Lenticular screen display raster pitch and/or grating inclination angle
When, regulation unit can be formulated according to actual measurement situation.
By present embodiment, the number of the sub-pixel covered using per unit viewpoint is not the computational methods of integer, can
To formulate regulation unit according to actual measurement situation, the accuracy of measurement is improved.
It is preferred that, in one possible embodiment of the embodiment of the present invention, the son that the unit viewpoint is covered
The number of pixel is rounded, and obtains actual sub-pixel after rounding, including：
The percentage that the unit viewpoint accounts for the sub-pixel size is obtained, the sub-pixel is accounted for according to the unit viewpoint
The percentage of size rounds the number of the sub-pixel, obtains actual sub-pixel after described round, wherein, the sub- picture of reality
Gray value needed for the viewpoint of percent maximum of the gray value of element filling to account for the actual sub-pixel size.
When the raster pitch of Lenticular screen display changes, viewpoint number is constant under per unit post lens, viewpoint
The number of sub-pixels covered will free change, and corresponding 2D shows the grey value profile of the composite diagram sub-pixel of screen display
It can be varied from.After the filling information of sub-pixel is obtained, in addition it is also necessary to which the number for the sub-pixel for covering the unit viewpoint takes
It is whole, because filling unit minimum in actual filling process is a sub-pixel.Obtain the unit viewpoint and account for described
The percentage of sub-pixel size, the percentage of the sub-pixel size is accounted for by the number of the sub-pixel according to the unit viewpoint
Round, obtain actual sub-pixel after described round.The raster pitch of such as one Lenticular screen displayPer unit
2 should be covered under 2 viewpoints, a viewpoint by being covered under Lenticular screen1/3Individual sub-pixel, the 3rd sub-pixel has 1/3 to represent to regard
The information of point 1,2/3 represents the information of pilot 2, and still accounts for which is just filled out more than which viewpoint part when single sub-pixel filling
The half-tone information of individual viewpoint, is similar to round, so the 3rd sub-pixel still fills out the half-tone information of viewpoint 2, works as light
When grid pitch parameter change is P=5.001, the 3rd sub-pixel will fill out the half-tone information of viewpoint 1.
By present embodiment, the grating for adjusting the Lenticular screen display in a practical situation is effectively solved
When pitch and/or inclination angle, the problem of how sub-pixel fills, realize in actual scene the calculating of viewpoint matrix composite diagram with it is aobvious
Show.
It is preferred that, in one possible embodiment of the embodiment of the present invention, the son that the unit viewpoint is covered
The number of pixel is rounded, and obtains actual sub-pixel after rounding, including：
Obtain the sub-pixel and preset the distance that frame presets edge to sub-pixel correspondence grating, according to the distance
The number of the sub-pixel is rounded, actual sub-pixel after described round is obtained.
When the raster pitch of Lenticular screen display changes, viewpoint number is constant under per unit post lens, viewpoint
The number of sub-pixels covered will free change, and corresponding 2D shows the grey value profile of the composite diagram sub-pixel of screen display
It can be varied from.After the filling information of sub-pixel is obtained, in addition it is also necessary to which the number for the sub-pixel for covering the unit viewpoint takes
It is whole, because filling unit minimum in actual filling process is a sub-pixel.Obtain the sub-pixel and preset frame
The distance at edge is preset to sub-pixel correspondence grating, the number of the sub-pixel is rounded according to the distance, institute is obtained
State actual sub-pixel after rounding.For example, to complete the filling of K viewpoint, it can make：Certain pixel is expressed as (i, j, k, m), wherein j
J-th laterally from left to right is represented, i represents i-th of longitudinal direction from up to down, and k values are 1,2,3 expression R, G, tri- sons of B
Pixel, m fills out the viewpoint sequence number in half-tone information source for the sub-pixel, and presetting frame using sub-pixel (makes the sub-pixel left
Frame is that the sub-pixel presets frame) (make the correspondence grating left side edge be described right to the default edge of the correspondence grating
Answer grating to preset edge) apart from d (to judge the information for filling which viewpoint, judged using far and near relation the filling which
One view information.The default frame of sub-pixel is leftmost apart from D=3* (j-1)+(k-1)+3* (i-1) * tan θ to composite diagram,
(wherein θ is the grating inclination angle of Lenticular screen display), sub-pixel presets the distance that frame presets edge to the correspondence gratingWherein [] represents bracket function, and P is the raster pitch of Lenticular screen display.Work as satisfactionWhen sub-pixel, half-tone information fills out the image information value of viewpoint 1, meetsWhen son
Pixel fills out the image information value of viewpoint 2, and viewpoint sequence number can be summarized by that analogy ...[] represents to round
Function.Referring to Fig. 4, the 14th sub-pixel (sub-pixel that oblique line is drawn in Fig. 4) from left to right, as viewpoint number K=2,It is constant
When, the raster pitch of Lenticular screen display is adjusted, is changed as shown in the table.
As viewpoint number K=4,When constant, the raster pitch of Lenticular screen display, change such as following table are adjusted
It is shown.
It can be seen that the method for the change pixel arrangement described in present embodiment more has generalization when viewpoint number is more.This method
It is also topmost changed using sub-pixel gray value and view information position distribution changes wherein variable and makes human eye pass through light
Grid observe correct view information, and simple eye change perceived is more obvious during multiple views, and measurement result is more accurate.
By present embodiment, the grating for adjusting the Lenticular screen display in a practical situation is effectively solved
When pitch and/or inclination angle, the problem of how sub-pixel fills, realize in actual scene the calculating of viewpoint matrix composite diagram with it is aobvious
Show.
It is preferred that, in one possible embodiment of the embodiment of the present invention, the final parallax composite diagram is pre- to reach
Determining the parallax composite diagram of display effect includes：
According to the difference of demand in actual environment, set predetermined display effect can be different, but obtain it is described most
Whole parallax composite diagram, to reach the parallax composite diagram of predetermined display effect set under the experimental situation.We are filled out with black and white
Fill exemplified by figure, K viewpoint is covered under per unit Lenticular screen, it is that its patterned grays value is allowed to parallax to make viewpoint 1 cover pixel
Figure shows white, and the disparity map of remaining K-1 viewpoint shows black, so, and beholder can be observed to regard correct position is simple eye
Poor composite diagram is shown as complete white.This is to calculate the viewpoint matrix composite diagram come under correct parameter can just obtain complete white parallax
Composite diagram, when changing any one of Lenticular screen pitch or inclination angle, still in this position, observer's monocular vision will not be seen
To complete white figure, but seeing has black lines to appear in white background, because being received in this vision area from other
The monochrome information of viewpoint.As shown in figure 5, Lenticular screen pitchPer unit Lenticular screen covers 4 viewpoints, by
The pixel of viewpoint covering corresponds to the gray value of viewpoint to fill, and viewpoint 1 fills out white, remaining 3 viewpoint totem culture black, and people is closing
Right position puts monocular vision (referring to 501) it can be seen that parallax composite diagram is white.But, referring to Fig. 6, in actual fabrication grating process
In, because instrument error, Lenticular screen pitch is changed into P=4.837, and other parameters (inclination angle, viewpoint number, pixel wide) are constant
When, shown if we are also loaded into same width viewpoint matrix composite diagram, equally also in this position monocular vision (referring to 601),
It is black and white line that the region for drawing oblique line, i.e. parallax composite diagram, which can only be seen, because human eye have received the brightness of part viewpoint 2
Information.When inclination angle changes, situation is as the same, can all cause the light of different parallax areas image and have crosstalk in space.
During the raster pitch of the Lenticular screen display and inclination angle is adjusted, regulation Lenticular screen is shown
During the raster pitch of device, the lineae ablicantes from the point of view of appropriate observation to parallax composite diagram can be made to try one's best width, black line increasingly thinner and and lineae ablicantes
Interval is increasing；When adjusting the grating inclination angle of Lenticular screen display, lineae ablicantes is set to try one's best vertical display；It is whole by taking Fig. 5 as an example
Width parallax composite diagram display white, i.e., now only see the brightness of viewpoint 1, i.e., the crosstalk not from viewpoint 2 to viewpoint 4 is bright
Degree, exports the now raster pitch of Lenticular screen display and the numerical value at inclination angle.
By present embodiment, the final parallax composite diagram for reaching predetermined display effect can be effectively obtained, is measured
As a result it is more accurate.
It is preferred that, in one possible embodiment of the embodiment of the present invention, the regulation Lenticular screen is shown
The raster pitch of device and/or the numerical value at inclination angle, generate final parallax composite diagram, including：
According to the demand of user's reality output precision, raster pitch and the inclination angle of the Lenticular screen display are obtained
Adjust unit；
According to the raster pitch of the Lenticular screen display and the regulation unit at inclination angle, repeatedly regulation determines viewpoint square
The raster pitch of Lenticular screen display used and/or inclination angle, generate final viewpoint matrix composite diagram during battle array composite diagram；
The final viewpoint matrix composite diagram is included on the Lenticular screen display, the final parallax is generated
Composite diagram.
In actual applications, the raster pitch of the Lenticular screen display can adjusted according to the demand of user
And during inclination angle, the suitable regulation unit of selection.For example, when the raster pitch and the precision at inclination angle of the Lenticular screen of user's requirement
For that at three, the regulation unit at the raster pitch of Lenticular screen and inclination angle can be set as into 0.001 (for post after decimal point
For the raster pitch of lenticulation, 0.001 represents the width of 0.001 sub-pixel；For the grating inclination angle of Lenticular screen
For 0.001 represent angle be 0.001 °)；For example, when the raster pitch precision for the Lenticular screen that user requires is decimal point
Two afterwards, when the precision at grating inclination angle is one decimal place, the regulation unit of the raster pitch of Lenticular screen can be set
It is set to 0.01, the regulation unit at the grating inclination angle of Lenticular screen is set as 0.1.According to the Lenticular screen display
Raster pitch and the regulation unit at inclination angle, repeatedly regulation determine Lenticular screen display used during viewpoint matrix composite diagram
Raster pitch and/or inclination angle, generate several viewpoint matrix composite diagrams；Several described viewpoint matrix composite diagrams are included in the post
On lenticulation display, several parallax composite diagrams are generated.Order reaches that the parallax composite diagram of display effect synthesizes for final parallax
Figure, corresponding viewpoint matrix composite diagram is final viewpoint matrix composite diagram.
In actual experiment environment, the minimum change quantity at Lenticular screen display raster pitch and inclination angle can reach
0.00001, that is to say, that the raster pitch for the Lenticular screen display measured in a practical situation and the precision at inclination angle can
To reach after decimal point 5.
By present embodiment, the raster pitch of the Lenticular screen display and the accurate measurement at inclination angle are realized,
Under experimental situation, its accuracy can reach after decimal point 5, higher than existing e measurement technology precision, utilize the measurement knot
Fruit can substantially reduce crosstalk brightness to synthesize disparity map.
As shown in fig. 7, the embodiment of the present invention discloses the device exported there is provided a kind of grating parameter, including：
Acquisition module 701, the initial value for obtaining the default raster pitch of Lenticular screen display and inclination angle；
Computing module 702, for the raster pitch and the initial value at inclination angle according to the Lenticular screen display, it is determined that
Initial viewpoint matrix composite diagram；
Display module 703, for viewpoint matrix composite diagram to be included in Lenticular screen display, generation parallax synthesis
Figure；
Adjustment module 704, it is raw for adjusting the raster pitch of the Lenticular screen display and/or the numerical value at inclination angle
Into final parallax composite diagram, wherein, the final parallax composite diagram is the parallax composite diagram for reaching predetermined display effect；
Output module 705, corresponding Lenticular screen display when generating the final parallax composite diagram for exporting
Raster pitch and the numerical value at inclination angle.
The device provided by the embodiment of the present invention, is directly displayed at Lenticular screen by viewpoint matrix composite diagram and shows
It is more time saving and energy saving on device, it is not necessary to individually take out Lenticular screen measurement, and effectively prevent Lenticular screen and 2D and show
Alignment error between screen, composite diagram is made after the accurate parameters obtained are more convenient is used for multi-display splicing displaying.
It should be noted that the device of the embodiment of the present invention is the device of the method exported using above-mentioned grating parameter, then
All embodiments of the method for above-mentioned grating parameter output are applied to the device, and can reach same or analogous beneficial effect
Really.
It is preferred that, in a kind of possible embodiment of the embodiment of the present invention, the computing module 702 includes：
Parameter acquiring submodule, the number for obtaining raster pitch and viewpoint；
Number of sub-pixels determination sub-module, for the number according to the raster pitch and the viewpoint, determines unit viewpoint
The number of the sub-pixel of covering, wherein, the number of the sub-pixel of the unit viewpoint covering is not integer；
Sub-pixel rounds submodule, and the number of the sub-pixel for the unit viewpoint to be covered is rounded, after being rounded
Actual sub-pixel；
By present embodiment, effectively solve in a practical situation the raster pitch of Lenticular screen display and/
Or during the difference of inclination angle, the problem of how sub-pixel fills realizes the calculating and display of viewpoint matrix composite diagram in actual scene,
The number of the sub-pixel of the unit viewpoint covering is not integer, can formulate regulation unit according to actual measurement situation, improve
The accuracy of measurement.
It is preferred that, in a kind of possible embodiment of the embodiment of the present invention, the sub-pixel, which rounds submodule, to be included：
Percentage rounds unit, the percentage of the sub-pixel size is accounted for for obtaining the unit viewpoint, according to described
The percentage that unit viewpoint accounts for the sub-pixel size rounds the number of the sub-pixel, obtains actual sub- picture after described round
Element, wherein, the gray value of the actual sub-pixel filling is the viewpoint institute for the percent maximum for accounting for the actual sub-pixel size
The gray value needed.
By present embodiment, the grating for adjusting the Lenticular screen display in a practical situation is effectively solved
When pitch and/or inclination angle, the problem of how sub-pixel fills, realize in actual scene the calculating of viewpoint matrix composite diagram with it is aobvious
Show.
It is preferred that, in a kind of possible embodiment of the embodiment of the present invention, the sub-pixel, which rounds submodule, to be included：
Pre-determined distance rounds unit, and frame is preset to the default side of sub-pixel correspondence grating for obtaining the sub-pixel
The distance of edge, rounds the number of the sub-pixel according to the distance, obtains actual sub-pixel after described round.
By present embodiment, the grating for adjusting the Lenticular screen display in a practical situation is effectively solved
When pitch and/or inclination angle, the problem of how sub-pixel fills, realize in actual scene the calculating of viewpoint matrix composite diagram with it is aobvious
Show.
It is preferred that, in a kind of possible embodiment of the embodiment of the present invention, the adjustment module 704 includes：
Regulation by pitch submodule, for the demand according to user's reality output precision, determines that the Lenticular screen is shown
The regulation unit of device raster pitch, according to the regulation unit of the raster pitch, adjusts the raster pitch of the Lenticular screen；
Tilt adjustment submodule, for the demand according to user's reality output precision, determines that the Lenticular screen is shown
The regulation unit at device grating inclination angle, according to the regulation unit at the grating inclination angle, adjusts the grating inclination angle of the Lenticular screen；
Parallax composite diagram decision sub-module, for judging whether the parallax composite diagram reaches predetermined display effect.
In actual applications, the raster pitch of the Lenticular screen display can adjusted according to the demand of user
And during inclination angle, the suitable regulation unit of selection.For example, raster pitch and inclination angle when the Lenticular screen display of user's requirement
Precision be decimal point after three when, the regulation unit at the raster pitch of Lenticular screen display and inclination angle can be set as
0.001 (for the raster pitch of Lenticular screen display, the width of 0.001 0.001 sub-pixel of expression；For post
0.001 represents that angle is 0.001 ° for the grating inclination angle of lenticulation display)；For example, when the post lens light of user's requirement
The raster pitch precision of grid display is 2 significant digits, can be by post when the precision at grating inclination angle is one decimal place
The regulation unit of the raster pitch of lenticulation display is set as 0.01, by the tune at the grating inclination angle of Lenticular screen display
Section unit is set as 0.1.
In the present embodiment, by the operation to regulation by pitch submodule and tilt adjustment submodule, realize described
The raster pitch of Lenticular screen display and the accurate adjustment at inclination angle, the parameter subsequently exported are smart compared with existing e measurement technology
Du Genggao, disparity map is synthesized using the output result can substantially reduce crosstalk brightness.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of method of grating parameter output, it is characterised in that including：
Obtain the default raster pitch of Lenticular screen display and the initial value at inclination angle；
According to the default raster pitch of Lenticular screen display and the initial value at inclination angle, determine that initial viewpoint matrix is synthesized
Figure；
The initial viewpoint matrix composite diagram is included on the Lenticular screen display, initial parallax composite diagram is generated；
According to the initial parallax composite diagram, the raster pitch of the Lenticular screen display and/or the numerical value at inclination angle are adjusted,
Final parallax composite diagram is generated, wherein, the final parallax composite diagram is the parallax composite diagram for reaching predetermined display effect；
The raster pitch of the corresponding Lenticular screen display and inclination angle when output generates the final parallax composite diagram
Numerical value.
2. the method for grating parameter output according to claim 1, it is characterised in that the determination initial viewpoint matrix is closed
Cheng Tu, including：
Obtain the number of raster pitch and viewpoint；
According to the raster pitch and the number of the viewpoint, the number of the sub-pixel of unit viewpoint covering is determined, wherein, it is described
The number of the sub-pixel of unit viewpoint covering is not integer；
The number for the sub-pixel that the unit viewpoint is covered is rounded, and obtains actual sub-pixel after rounding；
The viewpoint is filled according to the actual sub-pixel, the initial viewpoint matrix composite diagram is generated.
3. the method for grating parameter output according to claim 2, it is characterised in that described to cover the unit viewpoint
The number of sub-pixel round, obtain actual sub-pixel after rounding, including：
The percentage that the unit viewpoint accounts for the sub-pixel size is obtained, the sub-pixel size is accounted for according to the unit viewpoint
Percentage the number of the sub-pixel is rounded, obtain actual sub-pixel after described round, wherein, the actual sub-pixel is filled out
Gray value needed for the viewpoint of percent maximum of the gray value filled to account for the actual sub-pixel size.
4. the method for grating parameter output according to claim 2, it is characterised in that described to cover the unit viewpoint
The number of sub-pixel round, obtain actual sub-pixel after rounding, including：
Obtain the sub-pixel and preset frame to the distance at the default edge of sub-pixel correspondence grating, according to the distance by institute
The number for stating sub-pixel is rounded, and obtains actual sub-pixel after described round.
5. the method for grating parameter output according to claim 1, it is characterised in that the regulation Lenticular screen
The raster pitch of display and/or the numerical value at inclination angle, generate final parallax composite diagram, including：
According to the demand of user's reality output precision, the raster pitch of the Lenticular screen display and the regulation at inclination angle are obtained
Unit；
According to the raster pitch of the Lenticular screen display and the regulation unit at inclination angle, repeatedly regulation determines that viewpoint matrix is closed
The raster pitch of Lenticular screen display used and/or inclination angle, generate final viewpoint matrix composite diagram during into figure；
The final viewpoint matrix composite diagram is included on the Lenticular screen display, the final parallax synthesis is generated
Figure.
6. a kind of device of grating parameter output, it is characterised in that including：
Acquisition module, the initial value for obtaining the default raster pitch of Lenticular screen display and inclination angle；
Computing module, for the raster pitch and the initial value at inclination angle according to the Lenticular screen display, it is determined that initially regarding
Dot matrix composite diagram；
Display module, for including viewpoint matrix composite diagram, in Lenticular screen display, to generate parallax composite diagram；
Adjustment module, for adjusting the raster pitch of the Lenticular screen display and/or the numerical value at inclination angle, generation is finally regarded
Poor composite diagram, wherein, the final parallax composite diagram is the parallax composite diagram for reaching predetermined display effect；
Output module, the raster pitch of corresponding Lenticular screen display when generating the final parallax composite diagram for exporting
And the numerical value at inclination angle.
7. the device of grating parameter output according to claim 6, it is characterised in that the computing module includes：
Parameter acquiring submodule, the number for obtaining raster pitch and viewpoint；
Number of sub-pixels determination sub-module, for the number according to the raster pitch and the viewpoint, determines that unit viewpoint is covered
Sub-pixel number, wherein, the number of the sub-pixel of unit viewpoint covering is not integer；
Sub-pixel rounds submodule, and the number of the sub-pixel for the unit viewpoint to be covered is rounded, and obtains actual after rounding
Sub-pixel；
Viewpoint fills submodule, for filling the viewpoint according to the actual sub-pixel, generates the initial viewpoint matrix and closes
Cheng Tu.
8. the device of grating parameter output according to claim 7, it is characterised in that the sub-pixel rounds submodule bag
Include：
Percentage rounds unit, the percentage of the sub-pixel size is accounted for for obtaining the unit viewpoint, according to the unit
The percentage that viewpoint accounts for the sub-pixel size rounds the number of the sub-pixel, obtains actual sub-pixel after described round,
Wherein, needed for the viewpoint of percent maximum of the gray value of the actual sub-pixel filling to account for the actual sub-pixel size
Gray value.
9. the device of grating parameter output according to claim 7, it is characterised in that the sub-pixel rounds submodule bag
Include：
Pre-determined distance rounds unit, and frame is preset to the default edge of sub-pixel correspondence grating for obtaining the sub-pixel
Distance, rounds the number of the sub-pixel according to the distance, obtains actual sub-pixel after described round.
10. the device of grating parameter output according to claim 6, it is characterised in that the adjustment module includes：
Unit acquisition submodule, for the demand according to user's reality output precision, obtains the Lenticular screen display
Raster pitch and the regulation unit at inclination angle；
Parameter regulation submodule is more for the raster pitch and the regulation unit at inclination angle according to the Lenticular screen display
Secondary regulation determines raster pitch and/or the inclination angle of Lenticular screen display used during viewpoint matrix composite diagram, and generation is final
Viewpoint matrix composite diagram；
Final composite diagram display sub-module, for including the final viewpoint matrix composite diagram to show in the Lenticular screen
On device, the final parallax composite diagram is generated.
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| CN106526843B (en) * | 2016-12-26 | 2020-07-17 | Tcl新技术（惠州）有限公司 | Method and device for simulating naked eye 3D grating |
| EP4067989A4 (en) | 2019-11-29 | 2022-11-09 | BOE Technology Group Co., Ltd. | Display device and driving method thereof |
| CN111780955B (en) * | 2020-06-12 | 2021-07-06 | 北京邮电大学 | Grating parameter measuring method and system for grating three-dimensional display |
| CN113242420B (en) * | 2021-04-22 | 2022-08-05 | 深圳市创鑫未来科技有限公司 | Stereo calibration chart and method for manually calibrating stereo display picture |
| CN114879377B (en) * | 2022-04-11 | 2023-06-23 | 北京邮电大学 | Parameter determination method, device and equipment of horizontal parallax three-dimensional light field display system |
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