CN108419072A - A kind of bearing calibration of bore hole 3D display screen and means for correcting, storage medium - Google Patents
A kind of bearing calibration of bore hole 3D display screen and means for correcting, storage medium Download PDFInfo
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Abstract
This application discloses a kind of bearing calibration of bore hole 3D display screen and means for correcting, storage medium, which includes：Acquire the left view and right view of display screen；According to left view or right view, optical parameter is obtained；Wherein, optical parameter includes jail-bar level width and pixel offset value；Optical parameter corrected value and display screen parameter are obtained according to optical parameter and viewpoint position；Display screen is corrected using optical parameter corrected value and display screen parameter.By the above-mentioned means, the application can improve the accuracy of correction parameter, correction efficiency is substantially increased.
Description
Technical field
This application involves technical field of computer vision, a kind of bearing calibration more particularly to bore hole 3D display screen and
Means for correcting, storage medium.
Background technology
Bore hole 3D display device, using the characteristics of people two with parallax, do not need any ancillary equipment (such as 3D glasses,
Helmet etc.) in the case of, you can obtain the display system of the lifelike stereoscopic image with space, depth.
For a long time, bore hole 3D technology is during upgrading in continuous iteration, but it is this innovation be limited to display material, technique with
And display mode (slit, cylindrical lenses) etc., and with the appearance with tracking bore hole 3D, bore hole 3D display technology and experience
It has marched toward another peak.In recent years start, constantly there is a band tracking bore hole 3D mobile phones listing towards consumer market, it is general such
Mobile phone screen size limitations are between 5-6 inches；And the demand orientation towards professional market is 28 inches or more of bore hole 3D
Large-size screen monitors are shown.Therefore, how to be corrected to band tracking bore hole 3D large-size screen monitors is current urgent problem to be solved.
Invention content
The application mainly solving the technical problems that provide a kind of bore hole 3D display screen bearing calibration and means for correcting,
Storage medium can improve the accuracy of correction parameter, substantially increase correction efficiency.
In order to solve the above technical problems, the technical solution that the application uses is：A kind of bore hole 3D display screen is provided
Bearing calibration, this method include：Acquire the left view and right view of display screen；According to left view or right view, Optical Parametric is obtained
Number；Wherein, optical parameter includes jail-bar level width and pixel offset value；Light is obtained according to optical parameter and viewpoint position
Learn parameter correction values and display screen parameter；Display screen is corrected using optical parameter corrected value and display screen parameter.
In order to solve the above technical problems, another technical solution that the application uses is：A kind of bore hole 3D display screen is provided
Means for correcting, which includes：Fixed seat is extended to first direction；First slide assemblies, connection fixing base,
And can be moved along first direction, the first slide assemblies are for fixing display screen；Second slide assemblies extend to second direction, even
Connection fixed seat, and can be moved along first direction；Wherein, first direction and second direction are orthogonal two sides on horizontal plane
To；Third slide assemblies extend to vertical direction, connect the second slide assemblies, and can move in a second direction；Detection device,
It on third slide assemblies, and can vertically move, left view and right view for acquiring display screen；Processing
Device, connecting detection device, for obtaining optical parameter corrected value and display screen parameter according to optical parameter and viewpoint position.
In order to solve the above technical problems, another technical solution that the application uses is：Offer one kind is computer-readable to deposit
Storage media, the computer readable storage medium for storing computer program, computer program when being executed by processor, to
Realize the bearing calibration such as above-mentioned bore hole 3D display screen.
The advantageous effect of the application is：The case where being different from the prior art, bearing calibration provided by the present application include：Acquisition
The left view and right view of display screen；According to left view or right view, optical parameter is obtained；According to optical parameter and viewpoint position
It sets to obtain optical parameter corrected value and display screen parameter；Display screen is carried out using optical parameter corrected value and display screen parameter
Correction.By the above-mentioned means, being calculated by the optical parameter acquired in the left and right view of acquisition and by display screen parameter
Optical parameter be compared, to obtain optical parameter corrected value, then pass through display screen parameter and optical parameter corrected value
Display screen is corrected, display screen can be corrected, the accuracy of correction parameter is improved, substantially increases correction effect
Rate.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.Wherein：
Fig. 1 is the structural schematic diagram of one embodiment of means for correcting of bore hole 3D display screen provided by the present application；
Fig. 2 be bore hole 3D display screen provided by the present application one embodiment of means for correcting in the first binocular camera and second
The connection diagram of binocular camera；
Fig. 3 is the structural schematic diagram of one embodiment of bearing calibration of bore hole 3D display screen provided by the present application；
Fig. 4 be bore hole 3D display screen provided by the present application one embodiment of bearing calibration in display screen side, sectional signal
Figure；
Fig. 5 be bore hole 3D display screen provided by the present application one embodiment of bearing calibration in display screen front schematic view；
Fig. 6 be bore hole 3D display screen provided by the present application one embodiment of bearing calibration in step 43 flow diagram；
Fig. 7 be bore hole 3D display screen provided by the present application one embodiment of bearing calibration in step 431 schematic diagram calculation；
Fig. 8 be bore hole 3D display screen provided by the present application one embodiment of bearing calibration in step 432 schematic diagram calculation；
Fig. 9 is the flow diagram of another embodiment of bearing calibration of bore hole 3D display screen provided by the present application；
Figure 10 be bore hole 3D display screen provided by the present application another embodiment of bearing calibration in the positions of multiple viewpoints show
It is intended to；
Figure 11 is the structural schematic diagram of another embodiment of means for correcting of bore hole 3D display screen provided by the present application；
Figure 12 is the structural schematic diagram of one embodiment of computer storage media provided by the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes.It is understood that specific embodiment described herein is only used for explaining the application, rather than the limit to the application
It is fixed.It also should be noted that illustrating only for ease of description, in attached drawing and the relevant part of the application and not all knot
Structure.Based on the embodiment in the application, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall in the protection scope of this application.
Term " first ", " second " in the application etc. be for distinguishing different objects, rather than it is specific suitable for describing
Sequence.In addition, term " comprising " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as comprising
The step of process of series of steps or unit, method, system, product or equipment are not limited to list or unit, and
It further includes the steps that optionally not listing or unit to be, or further includes optionally for these processes, method, product or equipment
Intrinsic other steps or unit.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Refering to fig. 1, Fig. 1 is the structural schematic diagram of one embodiment of means for correcting of bore hole 3D display screen provided by the present application,
The means for correcting includes fixed seat 11, the first slide assemblies 12, the second slide assemblies 13 and third slide assemblies 14.Wherein：
Fixed seat 11 is extended to first direction；First slide assemblies, 12 connection fixing base 11, and can be along first direction
Mobile, the first slide assemblies 12 are for fixing display screen 20；Second slide assemblies 13 extend to second direction, connection fixing base
11, and can be moved along first direction；Third slide assemblies 14 extend to vertical direction, connect the second slide assemblies 13, and can edge
Second direction moves；Detection device 30 is mounted on third slide assemblies 14, and can vertically be moved, for acquiring display
The left view and right view of screen 20.
Optionally, display screen 20 can specifically include the first binocular camera 21, be tracked for realizing bore hole 3D, detection dress
The second binocular camera 31 can be specifically included by setting 30, left view and right view for acquiring display screen 20.
As shown in Fig. 2, the first binocular camera 21 connects the first network interface 22, the second binocular camera 31 connects the second network interface
32, the first network interface 22 and the second network interface 32 interconnect.
Optionally, the first network interface 22 can be the Mini-PC network interfaces on display screen 20, and the second network interface can be detection device
30 PC network interfaces, wherein the first network interface 22 can be connected with the second network interface 32 by wired or wireless mode.
Wherein, first direction and second direction are orthogonal both direction on horizontal plane.Optionally, it can establish
Xyz three-dimensional system of coordinates describe above-mentioned position relationship, wherein xz coordinates are orthogonal coordinate in horizontal plane, and y-coordinate is
Vertical direction coordinate.It should be understood that since display screen 20 is placed vertically, can be built as coordinate origin using the central point of display screen 20
Above-mentioned xyz coordinate systems are found, xy indicates that the coordinate position relationship in the plane of display screen 20, z indicate the distance of distance display 20.
Based on above-mentioned xyz coordinates, fixed seat 11 is extended to the directions z；First slide assemblies, 12 connection fixing base 11, and
Can be movable in the z-direction, the first slide assemblies 12 are for fixing display screen 20；Second slide assemblies 13 extend to the directions x, and connection is solid
Reservation 11, and can be movable in the z-direction；Third slide assemblies 14 extend to the directions y, connect the second slide assemblies 13, and can be along the side x
To movement；Detection device 30 is mounted on third slide assemblies 14, and can be moved in the y-direction, the left side for acquiring display screen 20
View and right view.
In addition, it is additionally provided with processor (not shown), connecting detection device 30, for according to optical parameter and viewpoint position
It sets to obtain optical parameter corrected value and display screen parameter.
With continued reference to Fig. 1, specifically, multiple fixed column 11a are provided in fixed seat 11, for placing entire correction dress
It sets, the first slide assemblies 12 are provided with mounting table 12a, mounting table by connecting rod connection fixing base 11 on first slide assemblies 12
Pulley 12b is provided on 12a, display screen 20 may be implemented in the directions z for placing display screen 20, by push-and-pull in mounting table 12a
Movement.
The sliding rail of the directions z extension is provided in fixed seat 11, the second slide assemblies 13 can be in fixed seat 11 in the z-direction
Sliding.
Second slide assemblies 13 extend to the directions x, are provided with the sliding rail extended in the x-direction, third slide assemblies 14
It can in the x-direction be slided on the second slide assemblies 13.
Third slide assemblies 14 extend to the directions y, are provided with the sliding rail extended in the y-direction, and detection device 30 can be with
It is slided in the y-direction on third slide assemblies 14.
Optionally, in the above-described embodiments, which is bore hole 3D display screen.
By above-mentioned connection type, the position relationship between detection device 30 and display screen 20 can be adjusted, and formed
The xyz position coordinates of detection device, so that processor further realizes according to the xyz coordinates of detection device the correction of display screen.
It should be understood that the adjusting of above-mentioned each slide assemblies, can also be used by way of adjusting manually
The mode that machine automatization is adjusted, is not restricted here.
Below by several embodiments specifically to how the method and step for the correction for carrying out display screen illustrates.
It is the structural schematic diagram of one embodiment of bearing calibration of bore hole 3D display screen provided by the present application refering to Fig. 3, Fig. 3,
This method includes：
Step 41：Acquire the left view and right view of display screen.
Optionally, band may be used, and there are two the photographic devices of camera to be shot, the structure of two cameras, physics
Performance can be identical, and the spacing between two cameras can be arranged according to the distance between pupil of human eye, for example, can be with
It is such as the detection device 30 in Fig. 1.
In this example it is shown that the stereo-picture that screen 20 provides includes the stereo-picture for having image difference, such as have
There are the left view and right view of image difference.For ease of identification and subsequent correction, left view and right view all can be pure colors
Image.Optionally, in one embodiment, left view is different with right view color.For example, left view is the first color image, it is right
View is the second color image.The color of first color image and the second color image is different.Optionally, the first color and second
Color red green stereogram, black/white stereogram, or there are other two different colors of solid-color images.Certainly, in other implementations
In example, the stereo-picture of left and right view can also be other colors, is not also limited with solid-color image.
Step 42：According to left view or right view, optical parameter is obtained.
Wherein, optical parameter includes jail-bar level width pitch and pixel offset value xoffset.
Wherein, jail-bar level width pitch refers to the level interval of striped.It should be understood that before correction, due to dress
Phenomena such as leading to picture crosstalk with error, causes all to include often crosstalk striped, the crosstalk in left view and right view
Striped refer to should be left view originally and right view two open be shown on an image in pattern set on image and caused by
Striped, such as image are made of a plurality of red streak and green color stripe interval.And one of main purpose that the present invention corrects is just
It is to eliminate these crosstalk stripeds, makes left view and right view that the image of its script be presented.
Wherein, pixel offset value xoffset refers to the level interval, in particular to viewpoint pair between pixel and grating edge
Level interval between the pixel answered and grating edge.
It should be understood that above-mentioned optical parameter can be by being obtained from the image in the left view or right view of shooting
It takes.
Step 43：Optical parameter corrected value and display screen parameter are obtained according to optical parameter and viewpoint position.
Wherein, optical parameter is the jail-bar level width pitch obtained in above-mentioned steps 22 and pixel offset value
Xoffset, viewpoint position are then the xyz values of viewpoint.Wherein, optical parameter corrected value is then jail-bar level width compensation value
Pitchadd and pixel-shift offset xoffsetadd, display screen parameter include grating constant tx, grating and display panel
The distance between f, grating inclination angle theta and display screen point away from pixel_pitch.
It is shown in one embodiment of bearing calibration for referring particularly to Fig. 4 and Fig. 5, Fig. 4 being bore hole 3D display screen provided by the present application
The side cross sectional views of display screen, Fig. 5 be bore hole 3D display screen provided by the present application one embodiment of bearing calibration in display screen
Front schematic view.
In conjunction with Fig. 1, which includes spaced display panel 21 and grating 22.Wherein, grating 22 can be with
It is lenticulation, slit grating etc., in the present embodiment by taking lenticulation as an example.
Wherein, it can be optionally three colours of RGB (RGB) that display panel 21, which includes the pixel of multiple arrays setting,
Primitive matrix column distribution, the distance between each two pixel is display screen point away from pixel_pitch.Grating constant txIndicate grating
Between horizontal distance.The distance between display panel 21 and grating 22 are f, the angle theta between grating 22 and pixel.
Optionally, as shown in fig. 6, step 43 can calculate separately jail-bar level width compensation value pitchadd in two steps
And pixel-shift offset xoffsetadd, specially：
Step 431：According to the position relationship of jail-bar level width and viewpoint and display screen, jail-bar level width is obtained
Offset and the first display screen parameter.
Wherein, the first display screen parameter includes grating constant txAnd the distance between grating and display panel f.
Specifically, in step 431, following formula may be used, jail-bar level width compensation value and first is calculated
Display screen parameter：
Wherein, pitch is jail-bar level width, and pitchadd is jail-bar level width compensation value, txFor grating constant, f
For the distance between grating and display panel, vertical ranges of the z between viewpoint and display screen.
As shown in fig. 7, can obtain：
Arrangement obtains：
Wherein, pitch ' is the jail-bar level width value being calculated, with the width of fringe value obtained in step 42
Pitch has differences, therefore offset can be calculated：Pitch=pitch '+pitchadd；To obtain above-mentioned formula
(1)。
In addition, optional, in one embodiment, step 431 can be specifically：According to multiple stripeds of multiple view collections
The position relationship of horizontal width and corresponding multiple viewpoints and display screen, obtain multigroup jail-bar level width compensation value and
The estimated value of first display screen parameter；The estimated value of multigroup jail-bar level width compensation value and the first display screen parameter is carried out
Process of fitting treatment obtains jail-bar level width compensation value and the first display screen parameter.
It should be understood that the optical parameter obtained by step 42, can obtain jail-bar level width pitch, by regarding
Position relationship between point and display screen, it may be determined that the vertical range z between viewpoint and display screen.So, in above-mentioned formula
(1) it to be calculated there are three parameter in, including grating constant tx, the distance between grating and display panel f and striped water
Flat width compensation value pitchadd.
Therefore, jail-bar level width pitch and viewpoint and display can be obtained in multiple viewpoints by motion detection device
Vertical range z between screen obtains multigroup (z, pitch) data, then substitutes into above-mentioned formula (1) and carry out curve fitting to be needed
The parameter t wantedx、f、pitchadd。
Step 432：According to pixel offset value, the first display screen parameter, second display screen parameter and viewpoint and display screen
Position relationship, obtain pixel-shift offset.
Wherein, second display screen parameter includes inclining between screen pitch pixel_pitch and grating and display panel
Rake angle θ.
Specifically, in step 432, can pixel-shift offset be specifically calculated using following formula：
Wherein, xoffset is pixel offset value, and xoffsetadd is pixel-shift offset, and θ is grating inclination angle,
Pixel_pitch is display screen point away from x is the horizontal position of viewpoint, and y is the vertical position of viewpoint.
As shown in figure 8, can obtain：
Arrangement obtains：
Due to needing the conversion of progress unit herein,
Wherein, xoffset ' is the pixel offset value being calculated, and xoffset " is the pixel after unit conversion
Deviant has differences with the pixel offset value xoffset obtained in step 42, therefore offset can be calculated：
Xoffset=xoffset "+xoffsetdd；To obtain above-mentioned formula (2).
It should be understood that due in formula (1), f has been calculated, has also obtained xoffset in step 42, and
X, y, z, tan θ, pixel_pitch are known, therefore, pixel-shift offset can be calculated by formula (2)
xoffsetadd。
Step 44：Display screen is corrected using optical parameter corrected value and display screen parameter.
Wherein, optical parameter corrected value includes pitchadd and xoffsetadd, and display screen parameter includes txAnd f.
The t being calculated through the above wayx, f, pitchadd, xoffsetadd can be used for being carried out to display screen
Correction.
It is different from the prior art, the bearing calibration of the application includes：Acquire the left view and right view of display screen；According to a left side
View or right view, obtain optical parameter；Optical parameter corrected value and display are obtained according to optical parameter and viewpoint position
Shield parameter；Display screen is corrected using optical parameter corrected value and display screen parameter.By the above-mentioned means, by a left side for acquisition
The optical parameter acquired in right view and the optical parameter being calculated by display screen parameter are compared, to obtain light
Parameter correction values are learned, then display screen is corrected by display screen parameter and optical parameter corrected value, it can be to display screen
It is corrected, improves the accuracy of correction parameter, substantially increase correction efficiency.
It is the flow signal of another embodiment of bearing calibration of bore hole 3D display screen provided by the present application refering to Fig. 9, Fig. 9
Figure, this method include：
Step 91：From the multigroup left view and right view of multiple view collection display screens.
Specific as shown in Figure 10, multiple viewpoints are nine viewpoints with 3*3 array distributions on 20 vertical plane of display screen.Its
In, it is the plane that xz reference axis are formed in above-described embodiment to be somebody's turn to do the plane vertical with display screen 20.
In conjunction with above-mentioned Fig. 1, detection device 30 can be moved by adjusting the position of slide assemblies, be respectively moved to
Nine viewpoints in Fig. 9.
It should be understood that the specific number of the distance and viewpoint and the distance between display screen 20 between viewpoint in Fig. 9
Only distance, the present embodiment are not intended to limit.
Step 92：According to multigroup left view or right view, multigroup optical parameter is obtained.
Step 93：Multigroup optical parameter corrected value and multigroup display are obtained according to multigroup optical parameter and viewpoint position
Shield parameter.
Wherein, optical parameter includes jail-bar level width pitch and pixel offset value xoffset.
Step 94：Multigroup optical parameter corrected value and multigroup display screen parameter are fitted, it is quasi- to obtain optical parameter
Conjunction value and display screen parameter fitting value.
Specifically, according to the position relationship of jail-bar level width and viewpoint and display screen, jail-bar level width benefit is obtained
Repay value and the first display screen parameter.
Wherein, the first display screen parameter includes grating constant txAnd the distance between grating and display panel f.
Specifically, following formula may be used, jail-bar level width compensation value and the first display screen parameter is calculated：
Wherein, pitch is jail-bar level width, and pitchadd is jail-bar level width compensation value, txFor grating constant, f
For the distance between grating and display panel, vertical ranges of the z between viewpoint and display screen.
Specifically, according to pixel offset value, the first display screen parameter, second display screen parameter and viewpoint and display screen
Position relationship obtains pixel-shift offset.
Wherein, second display screen parameter includes inclining between screen pitch pixel_pitch and grating and display panel
Rake angle θ.
Specifically, can pixel-shift offset be specifically calculated using following formula：
Wherein, xoffset is pixel offset value, and xoffsetadd is pixel-shift offset, and θ is grating inclination angle,
Pixel_pitch is display screen point away from x is the horizontal position of viewpoint, and y is the vertical position of viewpoint.
Step 95：Display screen is corrected using optical parameter match value and display screen parameter fitting value.
The present embodiment uses calculation as the aforementioned, can obtain multigroup tx, f, pitchadd, xoffsetadd,
Then final match value is obtained using the method for fitting.
Optionally, the mode of curve matching, data-oriented point pi (xi, yi), wherein i=1,2 ..., m may be used.It asks
Curve of approximationAnd so that the deviation of curve of approximation and y=f (x) are minimum.Deviation of the curve of approximation at point pi
Common curve-fitting method：
1, make the sum of absolute value of the bias minimum.
2, make the maximum minimum of absolute value of the bias.
3, make sum of square of deviations minimum.
Matched curve is chosen by the principle of sum of square of deviations minimum, and it is the side of matched curve to take binomial equation
Method, referred to as least square method.
The calculating process of least square method can refer to following derivation：
1) set polynomial fitting as：
Y=a0+a1x+…+akxk
2) each point is as follows to the sum of the distance of this curve, i.e. sum of square of deviations：
3) in order to acquire qualified a values, a is sought on the right of peer-to-peeriPartial derivative, thus we obtain：
……
4) the equation left side is subjected to abbreviation, then should can obtains following equation：
……
5) these equatioies are expressed as the form of matrix, so that it may to obtain following matrix：
6) it can be obtained after this vandermonde being obtained matrix abbreviation：
7) that is above formula is equivalent to X*A=Y, then A=(X' × X) -1 × X' × Y, has just obtained coefficient
Matrix A, meanwhile, we have also just obtained matched curve.
1, Figure 11 is the structural representation of another embodiment of means for correcting of bore hole 3D display screen provided by the present application refering to fig. 1
Figure, which includes processor 111 and the memory being connect with processor 111 112, camera 113.Wherein, it handles
Device 111, memory 112, camera 113 can be connected by a bus.
Wherein, which can be binocular camera, the left and right view for obtaining display screen, and memory 112 is used
In storage computer program, the computer program by processor 111 when being executed, to realize following steps：
Acquire the left view and right view of display screen；According to left view or right view, optical parameter is obtained；Wherein, optics
Parameter includes jail-bar level width and pixel offset value；Optical parameter corrected value is obtained according to optical parameter and viewpoint position
And display screen parameter；Display screen is corrected using optical parameter corrected value and display screen parameter.
Optionally, which is specifically used for being closed according to the position of jail-bar level width and viewpoint and display screen
System, obtains jail-bar level width compensation value and the first display screen parameter；Wherein, the first display screen parameter include grating constant with
And the distance between grating and display panel；And according to pixel offset value, the first display screen parameter, second display screen parameter with
And the position relationship of viewpoint and display screen, obtain pixel-shift offset；Wherein, second display screen parameter include screen pitch with
And the angle of inclination between grating and display panel.
Wherein it is possible to which jail-bar level width compensation value and the first display screen parameter is calculated using following formula：
Wherein, pitch is jail-bar level width, and pitchadd is jail-bar level width compensation value, txFor grating constant, f
For the distance between grating and display panel, vertical ranges of the z between viewpoint and display screen.
Wherein it is possible to which pixel-shift offset is calculated using following formula：
Wherein, xoffset is pixel offset value, and xoffsetadd is pixel-shift offset, and θ is grating inclination angle,
Pixel_pitch is display screen point away from x is the horizontal position of viewpoint, and y is the vertical position of viewpoint.
2, Figure 12 is the structural schematic diagram of one embodiment of computer storage media provided by the present application, the calculating refering to fig. 1
Machine readable storage medium storing program for executing 120 is for storing computer program 121, and computer program 121 is when being executed by processor, to realize
Following steps：
Acquire the left view and right view of display screen；According to left view or right view, optical parameter is obtained；Wherein, optics
Parameter includes jail-bar level width and pixel offset value；Optical parameter corrected value is obtained according to optical parameter and viewpoint position
And display screen parameter；Display screen is corrected using optical parameter corrected value and display screen parameter.
It should be understood that the method and step performed by means for correcting and computer readable storage medium in above-described embodiment
Can be with specific reference to the embodiment of above-mentioned bearing calibration, implementation principle is similar with step, and which is not described herein again.
In several embodiments provided by the present invention, it should be understood that disclosed method and equipment, Ke Yitong
Other modes are crossed to realize.For example, equipment embodiment described above is only schematical, for example, the module or
The division of unit, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize present embodiment scheme
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be that each unit physically exists alone.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
The embodiment of the present invention is realized in the form of SFU software functional unit and when sold or used as an independent product, can
To be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) or processor (processor) execute each implementation of the present invention
The all or part of step of mode the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the claims of the application, every to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field includes similarly in the scope of patent protection of the application.
Claims (10)
1. a kind of bearing calibration of bore hole 3D display screen, which is characterized in that including：
Acquire the left view and right view of display screen；
According to the left view or the right view, the optical parameter is obtained；Wherein, the optical parameter includes jail-bar level
Width and pixel offset value；
Optical parameter corrected value and display screen parameter are obtained according to the optical parameter and viewpoint position；
The display screen is corrected using the optical parameter corrected value and the display screen parameter.
2. bearing calibration according to claim 1, which is characterized in that
Described the step of optical parameter corrected value and display screen parameter are obtained according to the optical parameter and viewpoint position, packet
It includes：
According to the position relationship of jail-bar level width and viewpoint and display screen, jail-bar level width compensation value and are obtained
One display screen parameter；Wherein, the first display screen parameter includes grating constant and the distance between grating and display panel；
It is closed according to pixel offset value, the first display screen parameter, second display screen parameter and the position of viewpoint and display screen
System, obtains pixel-shift offset；Wherein, second display screen parameter includes between screen pitch and grating and display panel
Angle of inclination.
3. bearing calibration according to claim 2, which is characterized in that
The position relationship according to jail-bar level width and viewpoint and display screen, obtain jail-bar level width compensation value with
And the step of the first display screen parameter, including：
According to multiple jail-bar level width of multiple view collections and the position relationship of corresponding multiple viewpoints and display screen,
Obtain the estimated value of multigroup jail-bar level width compensation value and the first display screen parameter；
Processing is fitted to the estimated value of multigroup jail-bar level width compensation value and the first display screen parameter, obtains item
Line horizontal width offset and the first display screen parameter.
4. bearing calibration according to claim 2, which is characterized in that
The position relationship according to jail-bar level width and viewpoint and display screen, obtain jail-bar level width compensation value with
And the step of the first display screen parameter, including：
Jail-bar level width compensation value and the first display screen parameter are calculated using following formula：
Wherein, pitch is jail-bar level width, and pitchadd is jail-bar level width compensation value, txFor grating constant, f is grating
The distance between display panel, vertical ranges of the z between viewpoint and display screen.
5. bearing calibration according to claim 4, which is characterized in that
It is described according to pixel offset value, the position of the first display screen parameter, second display screen parameter and viewpoint and display screen
The step of setting relationship, obtaining pixel-shift offset, including：
Pixel-shift offset is calculated using following formula：
Wherein, xoffset is pixel offset value, and xoffsetadd is pixel-shift offset, and θ is grating inclination angle, pixel_
Pitch is display screen point away from x is the horizontal position of viewpoint, and y is the vertical position of viewpoint.
6. bearing calibration according to claim 1, which is characterized in that
The step of left view and right view of the acquisition display screen, specially：
From the multigroup left view and right view of multiple view collection display screens；
It is described according to the left view or the right view, the step of obtaining the optical parameter, specially：
According to multigroup left view or the right view, multigroup optical parameter is obtained；
Described the step of optical parameter corrected value and display screen parameter are obtained according to the optical parameter and viewpoint position, packet
It includes：
Multigroup optical parameter corrected value and multigroup display screen parameter are obtained according to multigroup optical parameter and viewpoint position；
Multigroup optical parameter corrected value and multigroup display screen parameter are fitted, it is quasi- to obtain the optical parameter
Conjunction value and display screen parameter fitting value.
7. bearing calibration according to claim 6, which is characterized in that
The multiple viewpoint is 9 viewpoints with 3*3 array distributions on display screen vertical plane.
8. a kind of means for correcting of bore hole 3D display screen, which is characterized in that including：
Fixed seat is extended to first direction；
First slide assemblies connect the fixed seat, and can be moved along the first direction, and first slide assemblies are for solid
Determine display screen；
Second slide assemblies extend to second direction, connect the fixed seat, and can be moved along the first direction；Wherein, institute
It is orthogonal both direction on horizontal plane to state first direction and the second direction；
Third slide assemblies extend to vertical direction, connect second slide assemblies, and can be moved along the second direction；
Detection device is mounted on the third slide assemblies, and can be moved along the vertical direction, for acquiring display screen
Left view and right view；
Processor connects the detection device, for obtaining optical parameter correction according to the optical parameter and viewpoint position
Value and display screen parameter.
9. means for correcting according to claim 8, which is characterized in that
The processor be specifically used for according to as claim 2-7 any one of them methods obtain optical parameter corrected value and
Display screen parameter.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium is for storing computer
Program, the computer program is when being executed by processor, to realize as claim 1-7 any one of them bore holes 3D is aobvious
The bearing calibration of display screen.
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