CN106488217A - The correction parameter acquisition methods of stereoscopic display device and device - Google Patents

The correction parameter acquisition methods of stereoscopic display device and device Download PDF

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Publication number
CN106488217A
CN106488217A CN201510543369.1A CN201510543369A CN106488217A CN 106488217 A CN106488217 A CN 106488217A CN 201510543369 A CN201510543369 A CN 201510543369A CN 106488217 A CN106488217 A CN 106488217A
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stereoscopic display
display device
picture
correction parameter
stereo
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CN106488217B (en
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赖敬文
刘志愿
龚健
宋磊
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Shenzhen Super Technology Co Ltd
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SHENZHEN CHUANGRUISI TECHNOLOGY Co Ltd
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Abstract

The present invention proposes a kind of correction parameter acquisition methods of stereoscopic display device and device, the correction parameter acquisition device of its stereoscopic display device further includes image acquisition unit, crosstalk fringe detection unit, computing unit and parameter acquiring unit, image acquisition unit is for obtaining the stereo-picture shown when stereoscopic display device is located at least two fixed positions, crosstalk fringe detection unit is used for detecting the crosstalk striped in the stereo-picture, Dip countion unit is for calculating the stripe angle of the crosstalk striped for detecting, parameter acquiring unit is used for when the stripe angle of the crosstalk striped for calculating meets predetermined angle scope, the correction parameter of the stereoscopic display device is then obtained, the application corrects efficiency high, accuracy is high.

Description

The correction parameter acquisition methods of stereoscopic display device and device
Technical field
The present invention relates to stereo display technique field, the correction ginseng of more particularly to a kind of stereoscopic display device Number acquisition methods and device.
Background technology
The image-forming principle of stereo-picture Display Technique is：Based on the binocular parallax of beholder, beholder is allowed Left eye and right eye perceive disparity map with image difference respectively, the brain of beholder is based on being perceived Image difference formed stereo-picture.
As shown in figure 1, existing 3 d display device 1 includes light-splitting device 2 and display floater 3, point Optical device 2 is located at the light emission side of display floater 3.Display floater 2 provides the left view with image difference Figure and right view, are acted on by the light splitting of light-splitting device 3 so that left view enters the left eye of beholder, Right view enters the right eye of beholder, and the brain of beholder forms solid based on the image difference for being perceived Image vision.
During display, it is desirable to precise match between light-splitting device 2 and display floater 3, it is to avoid left view occur Figure enters the right eye of beholder, and right view enters the cross-interference issue of the left eye of beholder.However, in dress During joining, it is impossible to avoid the rigging error between light-splitting device 2 and display floater 3, cause light splitting Device 2 cannot be conformed accurately on display floater 3 according to design requirement, so as to crosstalk occur, standing Not the problems such as body display effect is not good or even cannot meet three-dimensional imaging requirement.If 3 d display device is going out It is not acted upon before factory, user's experience can be directly affected, and then limits the development of stereo display technique.
Content of the invention
The purpose of the embodiment of the present invention is the correction parameter acquisition methods for providing a kind of stereoscopic display device And device, to solve the display problems such as crosstalk that 3 D image display device occurs because of rigging error.
In one aspect, the present invention proposes a kind of correction parameter acquisition methods of stereoscopic display device, Including：
Obtain the stereoscopic display device and be located at the stereogram shown during at least two fixed positions Picture；
Detect that the stereoscopic display device is located at the solid obtained during at least two fixed positions Crosstalk striped in image, the stereo-picture include crosstalk striped described at least one；
Calculate stripe angle and the width of fringe of the crosstalk striped for detecting；
When the stripe angle of the crosstalk striped for calculating meets predetermined angle scope, then obtain The correction parameter of the stereo-picture is taken, for correcting the stereoscopic display device.
On the other hand, the present invention proposes a kind of correction parameter acquisition device of stereoscopic display device, Including：
Image acquisition unit, is located at least two fixed point positions for receiving the solid for photographing The stereo-picture that display device shows when putting；
Crosstalk fringe detection unit, fixed positioned at least two for detecting the stereoscopic display device Crosstalk striped during point position in stereo-picture described in each fixed position；
Dip countion unit, for calculating stripe angle and the bar of the crosstalk striped for detecting Line width；
Parameter acquiring unit, the stripe angle of the crosstalk striped for described calculating meet in advance The correction parameter of the stereo-picture if during angular range, is then obtained, described vertical for correcting Body display device.
On the other hand, the present invention proposes a kind of correction parameter of stereoscopic display device and obtains system, Including：
Filming apparatus, when being located at least two fixed positions for shooting the stereoscopic display device The stereo-picture of display；
Processing meanss, are located at least in the stereoscopic display device for obtaining the filming apparatus The stereo-picture shot during two fixed positions, detects the crosstalk bar in the stereo-picture Line, the stereo-picture include crosstalk striped described at least one；It is described that calculating is detected The inclination angle of crosstalk striped；And the inclination angle of the crosstalk striped that described ought be calculated meets predetermined angle The correction parameter of the corresponding stereo-picture in the inclination angle during scope, is then obtained, for described vertical The correction of body display device.
With respect to prior art, the invention has the beneficial effects as follows：The application is opposed in many fixed positions Body display device is corrected, and using crosstalk striped inclination angle obtaining correction parameter, be calculated Correction parameter accuracy high, and correction efficiency can be greatly improved.
Description of the drawings
The structural representation of the 3 d display device that Fig. 1 is provided for prior art；
Fig. 2 is a kind of Organization Chart of the correction system of stereoscopic display device of the embodiment of the present invention；
Fig. 3 is a kind of knot of the correction parameter acquisition device of stereoscopic display device of the embodiment of the present invention Composition；
Fig. 4 is the stereo-picture schematic diagram a kind of to be corrected of the embodiment of the present invention；
Fig. 5 is a kind of structure chart of Dip countion unit of the embodiment of the present invention；
Fig. 6 is the structure chart of another kind of Dip countion unit of the embodiment of the present invention；
Fig. 7 is a kind of structure chart of parameter acquiring unit of the embodiment of the present invention；
Fig. 8 is a kind of schematic diagram of employing dichotomizing search pixel-parameters of the embodiment of the present invention；
Fig. 9 is a kind of pixel-parameters reference value and the angle correct parameter reference values of the embodiment of the present invention Linear relationship schematic diagram；
Figure 10 is the structure chart of another kind of parameter acquiring unit of the embodiment of the present invention；
Figure 11 is the structure chart of another parameter acquiring unit of the embodiment of the present invention；
Figure 12 is a kind of schematic diagram of the optimal viewing location of stereo-picture of the embodiment of the present invention；
Figure 13 is placed on optimal viewing location schematic diagram below for a kind of camera of the embodiment of the present invention
Figure 14 is placed on the signal before optimal viewing location for a kind of camera of the embodiment of the present invention Figure.
Figure 15 illustrates for a kind of curve of the translational movement fine setting parameter array of selection of the embodiment of the present invention Figure；
Figure 16 illustrates for the curve of another kind of translational movement fine setting parameter array that chooses of the embodiment of the present invention Figure；
Figure 17 illustrates for the curve of another translational movement fine setting parameter array that chooses of the embodiment of the present invention Figure；
Figure 18 is the correction parameter acquisition device of another kind of stereoscopic display device of the embodiment of the present invention Structure chart；
Figure 19 is a kind of structure chart of image analyzing unit of the embodiment of the present invention；
Figure 20 is a kind of structure chart of determination subelement of the embodiment of the present invention；
Figure 21 is the correction parameter acquisition device of another stereoscopic display device of the embodiment of the present invention Structure chart；
Figure 22 is a kind of correction parameter acquisition methods of stereoscopic display device of the embodiment of the present invention Flow chart；
Flow process when Figure 23 is the crosstalk striped in a kind of detection stereo-picture of the embodiment of the present invention Figure；
When Figure 24 is the inclination angle of the crosstalk striped that a kind of calculating of the embodiment of the present invention is detected Flow chart；
Figure 25 is a kind of flow chart of acquisition angle correct parameter of the embodiment of the present invention；
Flow chart when Figure 26 is another kind of acquisition angle correct parameter of the embodiment of the present invention；
Flow chart when Figure 27 is a kind of acquisition translational movement fine setting parameter of the embodiment of the present invention；
When Figure 28 is the stereo-picture that a kind of acquisition stereoscopic display device of the embodiment of the present invention shows Flow chart；
Figure 29 is examined for a kind of screen area in the stereo-picture that receives of the embodiment of the present invention Flow chart during survey；
Figure 30 adopts rectilinear schematic diagram for a kind of fixed position of the embodiment of the present invention；
Figure 31 adopts criss-cross schematic diagram for a kind of fixed position of the embodiment of the present invention；
Figure 32 is a kind of structure chart of parameter acquiring unit of the embodiment of the present invention；
Figure 33 is a kind of structure chart of parameter acquiring unit of the embodiment of the present invention；
Figure 34 is a kind of grating of the light-splitting device of calculating stereoscopic display device of the embodiment of the present invention Flow chart when pixel correction parameter and grating focus correction parameter.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, coordinate with reference to figure following The preferred embodiment of formula clearly can be presented in describing in detail.By the explanation of specific embodiment, When can be to reach technological means that predetermined purpose taken and effect is able to more deeply and to have to the present invention The understanding of body, but institute's accompanying drawings are only to provide reference and purposes of discussion, are not used for adding the present invention To limit.
Fig. 2 is referred to, which is that a kind of correction parameter of stereoscopic display device of the embodiment of the present invention is obtained The Organization Chart of the applied environment of device, it include stereoscopic display device 22,23 and of filming apparatus The correction parameter acquisition device 21 of stereoscopic display device.Stereoscopic display device 22 is vertical for showing Body image, filming apparatus 23 are used for shooting the image frame for including 22 display screen of stereoscopic display device, And the image frame for obtaining shooting is sent to the correction parameter acquisition device 21 of stereoscopic display device, 21 pairs of image frames for receiving of correction parameter acquisition device of stereoscopic display device are processed, really Determine the screen area of image frame Stereo display equipment 21, and calculate screen area neutral body image The inclination angle of crosstalk striped, and when inclination angle falls into predetermined angle scope, obtain stereoscopic display device 22 Correction parameter, the correction parameter is used for correcting the rigging error of stereoscopic display device 22.Work as use Person opens stereoscopic display device 22, and stereoscopic display device 22 corrects rigging error according to correction parameter, Harmful effect of the rigging error to 22 display effect of stereoscopic display device is eliminated, so as to lift stereoscopic display The display effect of equipment.
In the present embodiment, stereoscopic display device 22 can be the tool such as mobile terminal, or computer There is the electronic installation of display function, the correction parameter acquisition device 21 of stereoscopic display device can be electricity Brain or mobile terminal etc. are with the equipment processed with communication function.In the present embodiment, preferably three-dimensional aobvious Show equipment correction parameter acquisition device 21 be computer, stereoscopic display device 22 by data wire with The correction parameter acquisition device 21 of stereoscopic display device connects, and filming apparatus 3 pass through data wire and stand The correction parameter acquisition device 21 of body display device connects.
Filming apparatus 23 can include at least one camera, and camera shoots stereoscopic display device 22 The stereo-picture of display.In the present embodiment, filming apparatus 23 include spaced left camera 24 With right camera 25, the structure of left camera 24 and right camera 25, physical property are all identical.Left Spacing between camera 24 and right camera 25 is preferably human eye interpupillary distance, meets three-dimensional imaging requirement.
Tracking equipment (in figure is not illustrated) can be installed on stereoscopic display device 22, tracking equipment is used for To the distance of stereoscopic display device 22, tracking equipment can be for example that tracking is taken the photograph to measurement filming apparatus 23 As head.It is identified for the ease of stereoscopic display device 22, filming apparatus 23 can be faceform, And above-mentioned two camera is separately mounted to the right and left eyes position of faceform.
Specifically, stereoscopic display device 22 is successively set on multiple by the system of therefore this enforcement Fixed position, the distance of these fixed positions to filming apparatus 23 are different, filming apparatus 23 stereo-pictures for photographing each fixed position successively are respectively transmitted to stereoscopic display device Correction parameter acquisition device 21, and the correction parameter acquisition device 21 by stereoscopic display device The correction parameter of stereoscopic display device 22 is obtained, so that stereoscopic display device 22 can be adopted Correction parameter with the acquisition is being corrected, and then improves stereo display effect.
Wherein, the fixed position residing for stereoscopic display device 22 can be configured as needed, this In embodiment, fixed position is preferably using linear or cross-shaped arrangement, such as Figure 30 and 31 Shown.In Figure 30, fixed position 301 adopts linear array.In Figure 31, fixed position 401 adopt cross-shaped arrangement, and unlike linear, the criss-cross arrangement mode of fixed position Wide viewing angle is also brought in the limit of consideration of correction, the reliability of correction is higher.Certainly, fixed The set-up mode of point position can also be using other arrangement modes, for example circular, rectangle, Here it is not limited thereto.
In trimming process, determining residing for stereoscopic display device can be changed in the form of slide rail Point position, i.e., laying sets the slide rail (such as linear or cross) of shape in advance, then Stereoscopic display device 22 is placed on slide rail and is moved along slide rail, and successively in setting Fixed position is fixed.It is of course also possible to use filming apparatus 23 are installed on slide rail being moved Dynamic, can equally realize the purpose of fixed position change.
In the present embodiment, the stereo-picture that stereoscopic display device 22 is provided is included with the vertical of image difference Body image, left view and the right view for example with image difference.For ease of identification and detection, left view Figure and right view can all be solid-color image, but left view is different with right view color.For example, left view Figure is the first color image, and right view is the second color image.First color image and the second color diagram The color of picture is different.Therefore, the stereogram with image difference can be red green stereogram, and black/white stands Body figure, or there are other two different colors of solid-color image.Certainly, embodiment of the present invention is provided The stereo-picture of left and right view determined by stereoscopic display device 22, with solid-color image be not Limit.
Before correction, the phenomenons such as picture crosstalk are caused due to rigging error, causes left view and the right side Often all include crosstalk striped in view, described crosstalk striped refers to should be left view and the right side originally It is shown to, in pattern set on two images of view, the striped caused on an image, such as image is It is made up of a plurality of red streak and green color stripe interval.And one of main purpose of present invention correction is exactly Eliminate these crosstalk stripeds, make left view and right view all assume the image of its script, for example above-mentioned by A plurality of red streak and green color stripe interval pie graph picture, corrected after, left view be in pure red image, Right view is in pure green image.For convenience of description, the crosstalk striped in present embodiment is all with red an IOU issued by a post office Illustrate as a example by line.
When stereoscopic display device 22 is located at least two different fixed position information, filming apparatus 23 respectively shoot stereoscopic display device 22 be located at two fixed positions when image frame, and will The image frame sends correction parameter acquisition device 21 to.21 basis of correction parameter acquisition device The image frame for receiving, detection crosstalk striped simultaneously calculate stripe angle, when calculating at least two When the stripe angle of individual fixed position information correspondence stereo-picture meets predetermined angle scope, then obtain The correction parameter of stereoscopic display device 22 is taken, for correcting the stereoscopic display device 22.
For example, if stereoscopic display device 22 is located at the first fixed position information, dress is shot Image frame when 23 shooting stereoscopic display devices are located at the first fixed position is put, and sends school to Positive parameter obtaining device 21.If the correction parameter acquisition device 21 of stereoscopic display device receives bat After taking the photograph the image frame that the transmission of device 23 comes, the screen of the image frame Stereo display equipment is can determine whether Curtain region, and the stereo-picture that screen area shows is obtained, while being detected using image analysis technology Crosstalk striped on stereo-picture.If there is no crosstalk striped on stereo-picture, the stereogram is described It seem normal display, it is not necessary to correct.And if there is crosstalk striped on stereo-picture, then three-dimensional The correction parameter acquisition device 21 of display device can calculate the inclination angle of crosstalk striped, and according to crosstalk The inclination angle of striped obtains the correction ginseng of the corresponding stereo-picture in the inclination angle when meeting predetermined angle scope Number, then changes the fixed position information of stereoscopic display device 22, such as by the first fixed position Information moves to the second fixed position information, is then located at according still further to acquisition stereoscopic display device 22 The method of the correction parameter of the corresponding stereo-picture in the first fixed position information inclination angle, obtains three-dimensional The correction parameter of the corresponding stereo-picture in inclination angle when display device is located at the second fixed position information. By that analogy, it is possible to obtain stereoscopic display device 22 corresponds to stereogram when being located at multiple fixed positions The correction parameter of picture, and the plurality of correction parameter is selected and is calculated, so as to obtain solid The correction parameter of display device, to correct stereoscopic display device 22.To be obtained for the application The correction parameter of stereoscopic display device, some correction parameters are set in single fixed position, i.e. stereoscopic display During any one fixed position that standby 22 are located therein can acquisition, such as angle correct parameter and one A little correction parameters are to need to obtain using many fixed positions, such as grating pixel correction parameter, light Grid focus correction parameter etc..Below, it will describe each correction ginseng of stereoscopic display device in detail Several acquisition process.
In the embodiment of the present invention, the stripe angle of crosstalk striped is referred to：Crosstalk striped and horizontal direction Angle, or the angle of crosstalk striped and vertical direction.When the inclination angle of crosstalk striped is crosstalk striped During with the angle of horizontal direction, the predetermined angle of crosstalk striped may range from [- 90 °, -70 °] or Person's [70 °, 90 °], if now the inclination angle of crosstalk striped falls into above-mentioned interval, then it is assumed that now three-dimensional aobvious Show that the stereo-picture crosstalk striped that equipment shows is in vertical, while the inclination angle for obtaining the crosstalk striped corresponds to Stereo-picture correction parameter.When the angle that the inclination angle of crosstalk striped is crosstalk striped and vertical direction When, the predetermined angle of crosstalk striped may range from [- 20 °, 0 °] or [0 °, 20 °], if this When crosstalk striped inclination angle fall into above-mentioned interval, then it is assumed that the stereogram that now stereoscopic display device shows As upper crosstalk striped is in vertically, while the correction of the corresponding stereo-picture in the inclination angle that obtains the crosstalk striped Parameter.
Fig. 3 is referred to, which is the structure of the correction parameter acquisition device of Fig. 2 Stereo display equipment Figure.This device includes image acquisition unit 31, crosstalk fringe detection unit 32, computing unit 33 and parameter acquiring unit 34.
Image acquisition unit 31 is used for obtaining the stereo-picture of the display of the stereoscopic display device 22. In trimming process, generally require repeatedly to adjust the display parameters of stereoscopic display device 22 Whole, to find out optimal parameter.And filming apparatus 23 can be in real time to including stereoscopic display device 22 The image frame of display screen is tracked shooting, and the image frame for photographing is sent to figure As acquiring unit 31.
Image acquisition unit 31 obtains stereoscopic display device 22 from the image frame for receiving and shows The stereo-picture for showing, the change of image during obtaining parameter adjustment each time, and will get Stereo-picture sends crosstalk fringe detection unit 32 to.
As the image frame that filming apparatus 23 are obtained not only includes the stereogram that stereoscopic display device shows Picture, also includes the external environment condition beyond viewing area, for avoiding external environment influence correction parameter Accuracy, needs image acquisition unit 31 before stereo-picture is obtained, need to determine image frame first The viewing area of Stereo display equipment 22, to determine the stereo-picture of the display in viewing area.
Specifically, image acquisition unit 31 includes receiving subelement and determination subelement.Wherein, Receiving subelement is used for receiving that filming apparatus 23 to photograph including the stereoscopic display device 22 The image frame of display screen；Determination subelement is used for determining that the image that receiving subelement is received is drawn The screen area of face Stereo display equipment 22, and obtain the stereogram that the screen area shows Picture.Determination subelement can extract the image channel value in viewing area using image analysis technology, so Afterwards using rim detection, boundary point and the boundary curve of viewing area are detected, in conjunction with image area, Detect viewing area.
Further, Figure 20 is referred to, and determination subelement includes：Brightness of image analysis subelement 204, Binary conversion treatment subelement 201, range searching subelement 202 and merger divide subelement 203.
Brightness of image analysis subelement 204 is used for obtaining the brightness value of pixel in image frame.
Binary conversion treatment subelement 201 is used for carrying out stereo-picture according to default luminance threshold Binary conversion treatment, to obtain corresponding quasi- screen area, the predetermined luminance threshold value has at least two Individual.The gray value of the pixel on image is exactly set to 0 or 255 by the binaryzation of so-called image, Namely whole image is presented significantly and only have black and white visual effect.Such that it is able to substantially On tell screen area.
Range searching subelement 202 is used for searching on the quasi- screen area after binary conversion treatment Rope sets the region of shape.The region for setting shape can be rectangular area, border circular areas. Delta-shaped region etc., is defined according to the source stereotome in stereoscopic display device.
Merger divides subelement 203 and draws for the region of the setting shape for searching is carried out merger Point, to determine the screen area of stereoscopic display device described in described image picture.Range searching The quantity of the setting regions that subelement 202 is searched out might have a lot, and these setting regions can Can vary, position is probably overlapping, staggered, separate each other.The process of merger Can be coincidence number of times imparting weighted value, i.e. certain area coincidence in the region searched out according to these Number of times more at most gives a higher weight.The process of division refer to according to merger after region power Redistribution, removes region of the weight less than certain value, and marks off again the region for setting shape, make For screen area.
Crosstalk fringe detection unit 32 is used for detecting the crosstalk striped in the stereo-picture.Crosstalk Fringe detection unit 32 can be obtained vertical by the color value of pixel in calculating stereo-picture Crosstalk striped in body image.For example, it is possible to pass through by stereoscopic image conversion to HSV space, The value on color component is obtained, HSV space is that a kind of color space of color intuitive nature is embodied, Also referred to as hexagonal pyramid model (Hexcone Model), has three color ginsengs respectively in this color space Number：Tone (Hue), saturation degree (Saturation) and brightness (Value).For red green string For disturbing striped, region of the color value between 0 to 20 is red, and color value is 40 to 60 Between region be green, so it is known that distribution of color on stereo-picture, so as to examine Measure with the presence or absence of crosstalk striped on stereo-picture.In conjunction with referring to Fig. 4, its be one to be corrected Stereo-picture, wherein black region represents red, and white space represents green, from Fig. 4 It can be seen that the stereo-picture has three red Three Greens, six crosstalk stripeds.
Dip countion unit 33 is for calculating the stripe angle of the crosstalk striped for detecting.From Can see in Fig. 4, crosstalk striped is often inclined, and whole trimming process, if with Continuous image is if embodying, exactly making the width of crosstalk striped in image become larger to subtract The quantity of few crosstalk striped, then translate, till single tone occupies viewing area.And be The spectrophotometric result that reached, and prevent from occurring on stereo-picture hanging angle and (hang angle and refer to solid On image, certain region does not have display pattern, such as one pure red rectangle stereo-picture, one Individual angle does not show red pattern), the present embodiment is adopted and is led in the case that crosstalk striped is vertical Cross parameter acquiring unit 34 to obtain correction parameter, to reach preferable display effect and correction effect Rate.It is of course also possible to use obtaining correction parameter, this Shen in the case of crosstalk jail-bar level Please be not limited thereto.
Further, Dip countion unit 33 can pass through to obtain the line of demarcation between crosstalk striped, And the marginal inclination angle is calculated, using the inclination angle as the crosstalk striped.Refer to Fig. 5, Which is a kind of structure chart of Dip countion unit of the embodiment of the present invention.This Dip countion unit 33 Further include that line of demarcation obtains subelement 51 and computation subunit 52.It is single that line of demarcation obtains son Unit 51 is used for determining the boundary between crosstalk striped according to the color value of pixel in stereo-picture Line.Computation subunit 52 is used for according to the institute for calculating the line of demarcation acquisition determination of subelement 51 Marginal inclination angle is stated, using the inclination angle as the crosstalk striped.Red green for example shown in Fig. 4 The stereo-picture of crosstalk striped, region of the color value between 0 to 20 are red, and color value exists Region between 40 to 60 is green, then in image, color value is not belonging to the two intervals Pixel may be considered the pixel between crosstalk striped on line of demarcation.Obtain line of demarcation On pixel after, Dip countion unit 33 can be by least square method or M algorithm for estimating The line of demarcation is fitted etc. method, and calculate the marginal inclination angle between the crosstalk striped.
Further, in order to improve the computational accuracy at inclination angle, Dip countion unit 33 can calculate vertical A plurality of marginal inclination angle in body image, and mean value is calculated, using the inclination angle as crosstalk striped. The stereo-picture of such as Fig. 4, including five lines of demarcation, Dip countion unit 33 can divide This five marginal inclination angles are not obtained, the mean value at this five marginal inclination angles are then calculated, So as to also cause result of calculation more accurate.
Further, it is to be fitted to line using pixel during the calculating of Dip countion unit 33 line of demarcation Bar, thus the crosstalk striped for calculating line of demarcation it could also be possible that one bending lines, at this moment Just have no idea to calculate this marginal inclination angle, if using the fitting outlet of the methods such as least square method Then bar calculates inclination angle again and will obtain a wrong numerical value.Therefore calculate marginal inclination angle it Before can detect marginal wire distribution between the crosstalk striped first with statistic algorithm.Please Referring to Fig. 6, which is the structure chart of another kind of Dip countion unit of the embodiment of the present invention.With Fig. 5 Compare, the Dip countion unit 33 shown in Fig. 6 obtains subelement 51 except including line of demarcation With computation subunit 52, also include wire detection sub-unit 61.Wire detection sub-unit 61 is used After the line of demarcation is obtained in line of demarcation acquisition subelement 51, examined using statistic algorithm Whether the wire distribution for surveying the lines that fitting is obtained meets default linear distribution condition.If line Shape detection sub-unit 61 detects that line of demarcation meets default linear distribution condition, such as line of demarcation It is straight line, then again marginal inclination angle is calculated by Dip countion unit 33.If detecting boundary Line is unsatisfactory for condition, then directly give up the calculating to the line of demarcation inclination angle.
Specifically, it is assumed that the pixel coordinate sequence on stereo-picture crosstalk striped line of demarcation is：
{ (x0, y0), (x1, y1), (x2, y2), (x3, y3) ... .. (xn, yn) },
Wire detection sub-unit 61 can be judged by calculating the covariance matrix of this coordinate sequence Its linear distribution.And calculate covariance matrix first will carry out decentralization to data, so point sequence Average (vector) is：
So covariance matrix is：
Then wire detection sub-unit 61 can calculate characteristic value E0 and the E1 of covariance matrix, now Feature Distribution value represent the maximum and most of the distribution that these pixels can be reached on some direction Little variance, it is possible to by comparing the ratio E0/E1 of eigenvalue of maximum and minimal eigenvalue, judge The linear degree of curve.A threshold value (this threshold value preferred value 7) can be set, works as eigenvalue of maximum During with the ratio E0/E1 of minimal eigenvalue more than the threshold value, it is possible to think the line of demarcation be one straight Line, is otherwise then judged to the lines for bending and does not include the calculating of crosstalk stripe angle.
If the result of calculation of Dip countion unit 33 meets the vertical condition of crosstalk striped, then Parameter acquiring unit 34 records the corresponding parameter value in current stereo-picture inclination angle, for calculating most Good correction parameter.The vertical condition of crosstalk striped described here is that calculating correction parameter is most smart True situation, and in actual applications, can be as needed to meeting needed for crosstalk stripe angle Set angle make specific range set, the level inclination of such as crosstalk striped is met at 80 degree Between～100 degree, it is also possible to think that the inclination angle of crosstalk striped meets default angular range, here It is not limited with it.The correction parameter of stereoscopic display device 22 includes angle correct parameter, grating image Plain correction parameter, grating focus correction parameter, the thick correction parameter of translational movement, translational movement fine setting ginseng Number etc..Wherein, in during the thick correction parameter of translational movement is correction stereoscopic display device Between parameter, the purpose for obtaining the parameter be in order to obtain the grating pixel correction of stereoscopic display device Parameter, grating focus correction parameter.
Due to the light-splitting device of stereoscopic display device be slant setting on display floater, light-splitting device On spectrophotometric unit arrange along a direction, the display unit on display floater is along another direction Arrangement, the error easily produced when the angle on the two directions is assembling, if not in addition school Positive-angle error, then can produce image and incline, hang the impact display effect such as angle, crosstalk, granular sensation Situation, even and if angle correct parameter is used for correcting this error.
The calculation of correction parameter can determine according to actual needs.It should be noted that Due to obtain stereoscopic display device angle correct parameter when, it is only necessary to stereoscopic display device 22 Just can obtain when a fixed position.Therefore, in concrete acquisition, in stereoscopic display device The 22 angle correct parameters for obtaining stereoscopic display device when being located at arbitrary fixed position.For solid The angle correct parameter of display device, the application provide two kinds of calculations, are retouched in detail below State.
Fig. 7 is referred to, which is a kind of structure chart of parameter acquiring unit of the embodiment of the present invention.This ginseng Number acquiring unit 34 includes：Reference value obtains subelement 71, linear relationship computation subunit 72 With angle pixel computation subunit 73.
Reference value obtains subelement 71 to be used for meeting predetermined angle scope when institute according to the inclination angle Multiple pixel-parameters corresponding to multiple stereo-pictures are stated, is obtained corresponding with the plurality of pixel-parameters Angle correct parameter reference values.Stereoscopic display device shows three-dimensional according to different pixel-parameters Image.And when stereoscopic display device shows stereo-picture according to each pixel-parameters, all can Angle parameter is finely adjusted, so according to the analysis of the stereo-picture to showing, it is possible to look for Go out corresponding with each pixel-parameters, and crosstalk stripe angle meets the angle of predetermined angle scope Degree correction parameter reference value, so as to can be formed by pixel-parameters and angle correct parameter reference values An array.
Linear relationship computation subunit 72 is used for according to the pixel-parameters and angle correct parameter The array of reference value, calculates the linear relationship of the pixel-parameters and angle correct parameter reference values.
Angle pixel computation subunit 73 is used for according to the pixel-parameters and angle correct parameter The linear relationship of reference value, grating physical parameter t of the light-splitting device of stereoscopic display device and pre- If grating focal length parameter f1 and the stereoscopic display device fixed position information (fixed point Positional information refers to filming apparatus to the distance of stereoscopic display device), and the optics of three-dimensional imaging is former Reason, selects optimal angle correct parameter reference values from array (pitch, cot), using as described The angle correct parameter of stereoscopic display device.
As an example it is assumed that pitch parameter is pixel-parameters, cot parameter is angle correct parameter reference Value, sets pitch parameter reference values first, makes stereoscopic display device according to this pitch for setting Parameter reference values show stereo-picture, then adjust the value of cot parameter, make the crosstalk bar on stereo-picture Line angle is changed, and calculates the inclination angle of crosstalk striped in real time.It is vertical when crosstalk striped is calculated During state (or inclination angle meets default angular range), then record pitch parameter reference values now With cot parameter reference values.Then according to default detection interval resets another pitch parameter reference Value, and vertical by adjusting the crosstalk striped of the value to stereo-picture of cot parameter, and record pitch again Parameter reference values and cot parameter reference values.(pitch1, cot1) can be obtained by by that analogy, (pitch2, Cot2), (pitch3, cot3), the array of (... ...).
And when the cot parameter of above-mentioned (pitch, cot) array is searched for, it would however also be possible to employ dichotomy adds Fast search speed.Fig. 8 is referred to, which is the schematic diagram using dichotomizing search pixel-parameters.Wherein The inclining of the crosstalk striped that stereo-picture shows when solid black lines are the retrieval interval two ends for taking cot parameter Angle, i.e., in the case that pitch parameter reference values are selected, according to the display floater of stereoscopic display device and The physical characteristic of light-splitting device, the gradient of crosstalk striped on the stereo-picture for adjusting cot parameter and showing Change is only possible between two black are realized.In Fig. 8, three dotted lines are the retrieval areas for choosing cot parameter Between median when the crosstalk fringe inclination direction that shows, the dotted line of wherein label 3 is target cot parameter ginseng Examine crosstalk fringe inclination direction during value.
When being started using dichotomizing search, the scope of search is very wide, and it is two black solid lines pair that retrieval is interval Between the cot parameter value that answers, at the median first between the corresponding cot parameter value of two black solid lines Attempted, that is, the corresponding cot parameter value of dotted line of label 1 is selected, is then calculated according to stereo-picture The inclination angle of the dotted line of label 1, finds the dotted line of label 1 than the black solid line in right side closer to vertically, therefore The region of search of cot parameter is updated to the corresponding cot parameter value of the black solid line in left side to the dotted line of label 1 Corresponding cot parameter value.Then the black solid line in left side is chosen to the corresponding cot parameter value of dotted line of label 1 Median, i.e. the corresponding cot parameter value of the dotted line of label 2, then label is calculated according to stereo-picture The inclination angle of 2 dotted line, finds the dotted line of label 2 than the black solid line in left side closer to vertically, therefore by cot The region of search of parameter is updated to the corresponding cot parameter value of dotted line of label 2 and corresponds to the dotted line of label 1 Cot parameter value.Then the corresponding cot parameter value of the dotted line of selection label 2 is to the dotted line pair of label 1 The median of the cot parameter value that answers, i.e. the corresponding cot parameter value of the dotted line of label 3, through stereogram As crosstalk stripe angle is calculated, it is found that the dotted line of label 3 is vertical, then the dotted line of label 3 is corresponded to Cot parameter value record the array into (pitch, cot) as cot parameter reference values.It can be seen that adopting two Point-score can greatly reduce the quantity in region of search choosing value, improve search efficiency.
The linear relationship of pitch and cot in array after obtaining (pitch, cot) array, is calculated, please be join See Fig. 9, which is the linear relationship schematic diagram of pixel-parameters reference value and angle correct parameter reference values, Each of which round dot is a logarithm value, and abscissa is pitch, and ordinate is cot, can also from figure Find out, the array (pitch, cot) substantially meets the linear relationship of straight line.Therefore, pitch and cot Between exist following relations, i.e.,：
Pitch=k*cot+b
Then the value of k and b is calculated.Finally according to the value of k, b, the grating physical gate of light-splitting device Away from parameter t, grating focal length parameter f1 of default light-splitting device and fixed position information (fixed position Information refers to filming apparatus to the distance of stereoscopic display device), and with reference to three-dimensional imaging optical principle from Optimal angle correct parameter reference values are selected in array (pitch, cot), and as three-dimensional aobvious Show the angle correct parameter of equipment.
Figure 10 is referred to, which is the structure chart of another kind of parameter acquiring unit of the embodiment of the present invention. This parameter acquiring unit 34 includes：Screening obtains subelement 101 and analysis obtains subelement 102.
Screening obtains inclination angle of the subelement 101 for obtaining crosstalk striped and meets the vertical of set angle Body image and corresponding angle correct parameter.
Analysis obtains subelement 102 to be used for meeting set angle scope to the inclination angle of crosstalk striped Stereo-picture carries out graphical analysis, obtains the stereo-picture comprising Breadth Maximum crosstalk striped, and Obtain corresponding pixel correction parameter pixel-parameters.It should be noted that in stereoscopic display device During the adjustment of the pixel-parameters at 22 ends, the width of crosstalk striped on its stereo-picture for showing Can gradually change, as the width of viewing area is limited, if the crosstalk striped on stereo-picture There are more than three, then become big process in the width of the crosstalk striped in the middle of viewing area In, the crosstalk striped near viewing area edge can gradually be ejected viewing area, in other words, Occur that the width of some crosstalk stripeds becomes big, the situation that the width of some crosstalk stripeds diminishes, Until being only left two crosstalk stripeds in viewing area.Only go here and there comprising two in viewing area The situation of striped is disturbed, as long as the line of demarcation of this two crosstalk stripeds is not at the center line of viewing area Position, then this remaining two crosstalk striped occupies the area of viewing area still can be with pixel The change of parameter and change, i.e. the width of a crosstalk striped can become big, other one accordingly The width of crosstalk striped can diminish.And when the width of a crosstalk striped reaches maximum, represent Pixel-parameters now are optimal parameters, then analysis obtains subelement 102 and can record the stereogram Picture, and obtain corresponding pixel-parameters.When calculating the width of crosstalk striped on stereo-picture, can According to the analysis to color value on stereo-picture, to determine the width of crosstalk striped according to distribution of color Degree, or can also calculate line of demarcation to line of demarcation or line of demarcation to viewing area boundary line away from From, and the width as crosstalk striped.Specifically, it is assumed that pitch parameter is pixel-parameters, cot Parameter is angle correct parameter reference values, from unlike the embodiment of Fig. 7, first cot is joined Number is adjusted, and can carry out value using dichotomy to cot parameter, calculates stereoscopic display device and shows The inclination angle of crosstalk striped in the stereo-picture for showing, when crosstalk striped is vertical, chooses cot parameter now As optimal cot parameter.Then cot parameter constant is selected, then pitch parameter is adjusted, and The stereo-picture shown by stereoscopic display device carries out graphical analysis, when a crosstalk in stereo-picture When striped is Breadth Maximum, corresponding pitch parameter is obtained as optimal pitch parameter.At this moment three-dimensional The display effect of image has two kinds of situations, it is assumed that crosstalk striped is red an IOU issued by a post office line, then crosstalk striped When width is maximum, a kind of situation is that the red or green of pure color takes whole stereo-picture, and this expression reaches The target of correction.And another kind of situation is that only have the line of demarcation of a crosstalk striped in stereo-picture, And red green pure color occupies marginal both sides respectively, this is accomplished by follow-up again to translational movement correction parameter (bag Include coarse adjustment and fine setting) it is adjusted, the purpose of whole stereo-picture is occupied with the color that reaches pure color.
The light-splitting device slant setting of stereoscopic display device on display floater, due to light-splitting device point Light unit mismatches the translational movement error that can be produced with the display unit arrangement cycle of display floater, described Translational movement correction parameter be exactly in order to correct this translational movement error, if be not corrected for, can Stereo-picture is made to produce picture crosstalk problem.
If furthermore, it is understood that stereoscopic display device be located at a certain fixed position and in angle correct parameter In the case of acquisition, stereoscopic display device shows stereo-picture according to the angle correct parameter for obtaining, On stereo-picture, now may possibly still be present a plurality of crosstalk striped, its reason be due to crosstalk striped Width be less than viewing area, although so that crosstalk striped be in vertical state, in viewing area still There is the crosstalk striped of more than three.
For such case, the scheme that the application is adopted is：Translational movement coarse adjustment is carried out first, by crosstalk The central point of striped is adjusted to the center of viewing area, and the width for then increasing crosstalk striped again is straight The width more than or equal to viewing area is arrived, is finally finely adjusted, occupy the pure color of setting whole aobvious Show region.Accordingly, it would be desirable to obtain the stereoscopic display device to be respectively located at each fixed position when institute State the thick correction parameter of translational movement of the corresponding stereo-picture in inclination angle.
Figure 33 is referred to, which is a kind of structure chart of parameter acquiring unit of the embodiment of the present invention.This Parameter acquiring unit 34 includes that central point detection sub-unit 311 and thick translation parameters obtain subelement 312.Central point detection sub-unit 311 is used for judging that the central point of crosstalk striped on stereo-picture to be The no central area in the screen area.Thick translation parameters obtains subelement 312 to be used for working as The central spot of crosstalk striped obtains corresponding translation when the central area of the screen area Amount parameter is used as the thick correction parameter of the translational movement.If the central point of crosstalk striped is not on institute The central area of screen area is stated, then the translational movement parameter of the stereo-picture is adjusted, so that institute State stereoscopic display device and show the stereo-picture according to the translational movement parameter after adjustment；Then again Repeat to judge the central point of the crosstalk striped whether in the stereo-picture screen area.
Specifically, described central area refers to certain abscissa scope in screen area, The abscissa of such as screen area center line is 5, then this region can be (4,6).Pre- If interval in adjustment translational movement parameter, it is possible to using image analysis technology, to stereoscopic display The stereo-picture that equipment shows is analyzed.If there is at least three crosstalk stripeds on stereo-picture, Then detect whether the central point of corresponding crosstalk striped is in the central area of on-screen display (osd) area, For example the stereo-picture is left view, should show pure green image, then look under preferable dispaly state Go out the central point of all green crosstalk stripeds on the stereo-picture, and detected whether that some is green The central spot of color crosstalk striped is in the central area of screen area.If there are a green crosstalk The central spot of striped in the central area of screen area, then using translational movement parameter now as The thick correction parameter of translational movement.If substantially there is two crosstalk stripeds on stereo-picture, illustrate now The central point of crosstalk striped necessarily deviates the central area of screen area, is translated by adjustment Amount parameter, makes crosstalk striped gradually translate, until the central spot of a crosstalk striped is in screen The central area in region, and record translational movement parameter now is the thick correction parameter of translational movement； Or until the color of a crosstalk striped then illustrates now to have reached full of whole screen area To correction purpose, the translational movement parameter for recording now is the thick correction parameter of translational movement.
The thick correction parameter of corresponding translational movement is obtained in multiple fixed positions, can adjust on this basis Whole pixel-parameters, make crosstalk striped cover whole screen area, so as to calculate the light for obtaining light-splitting device Grid pixel correction parameter and grating focus correction parameter.The purpose for obtaining the thick correction parameter of translational movement is In order to quickly make crosstalk striped cover whole screen area, so as to calculate the grating image of light-splitting device Plain correction parameter and grating focus correction parameter.
Calculate grating pixel correction parameter and the grating focal length school of the light-splitting device of stereoscopic display device Positive parameter, its objective is grating pixel correction parameter and grating focus correction parameter and preset value Compare, prevent the grating pitch caused because of assembly technology error and grating focal length and preset Value misfits, and affects the problem of display effect.Therefore, the embodiment of the present invention can also be obtained Grating focus correction parameter f.While the embodiment of the present invention can also obtain grating pixel correction parameter t0.In implementing, when the width of crosstalk striped covers the screen area, it is believed that now right The grating focal length parameter that answers and grating pixel-parameters be optimal, can be used as stereoscopic display device Grating pixel correction parameter and grating focus correction parameter.When in crosstalk striped on stereo-picture Heart point is located at the central area of screen area, can determine whether whether the width of the crosstalk striped covers the screen Curtain region, if the width of crosstalk striped is not covered with the screen area, can be by adjustment Pixel-parameters are increasing the width of crosstalk striped, until the width cover screen region of crosstalk striped.
Figure 32 is referred to, which is a kind of structure chart of parameter acquiring unit of the embodiment of the present invention, this Parameter acquiring unit 34 includes width of fringe detection sub-unit 321 and pixel focal length parameter acquiring Unit 322.Width of fringe detection sub-unit 321 is used for judging that the width of the crosstalk striped to be No cover the screen area.Pixel focal length parameter acquiring subelement 322 is used for when crosstalk striped Width when covering the screen area, by the corresponding light of pixel-parameters of the stereo-picture for obtaining Grid pixel-parameters as the grating pixel correction parameter pixel-parameters, by the pixel of stereo-picture The corresponding grating focal length parameter of parameter is used as the grating focus correction parameter.
Specifically, by default interval interior adjustment pixel-parameters, showing stereoscopic display device Stereo-picture in the width of crosstalk striped constantly change, when crosstalk striped width more than or wait When the width of screen area, i.e. crosstalk striped covers screen area, calculates the pixel-parameters and corresponds to Grating pixel-parameters, grating focal length parameter, using burnt as grating pixel correction parameter, grating Away from correction parameter.
Can be according to following public affairs when grating pixel correction parameter and grating focus correction parameter is calculated Formula：
Wherein, diThe fixed position letter being located at for the stereoscopic display device during the i-th fixed position With the distance between filming apparatus information when breath, i.e. stereoscopic display device are located at the i-th fixed position. pitchiFor the stereoscopic display device be located at the i-th fixed position when and the crosstalk striped cover institute The pixel-parameters of stereo-picture during screen area are stated, f is the light-splitting device of stereoscopic display device Grating focus correction parameter, t0 for stereoscopic display device light-splitting device grating pixel correction Parameter.
Further, stereogram is corresponded to when getting stereoscopic display device and being located at multiple fixed positions During the pixel-parameters of picture, the grating pixel correction parameter of the calculating light-splitting device and grating During focus correction parameter, specifically the stereoscopic display device of the acquisition can be located at multiple The pixel-parameters of stereo-picture and the fixed point residing for the stereoscopic display device is corresponded to during fixed position Positional information all substitutes into formula：Matrix is formed, and calculates the matrix Minimal error, corresponding grating pixel correction parameter and grating focal length during minimal error will be met Parameter is used as grating pixel correction parameter and the grating focus correction parameter of the light-splitting device.
Further, during adjustment pixel-parameters, pixel-parameters and crosstalk width of fringe it Between change linear relationship parabolically shape, therefore crosstalk width of fringe just cover screen area During domain, pixel focal length obtains subelement 322 and can obtain two pixel-parameters values, i.e. the first pixel Parameter and the second pixel-parameters.In theory when being adjusted to the first pixel-parameters and the second pixel-parameters Mean value when, the width of crosstalk striped reaches maximum, therefore pixel focal length obtain subelement 322 The mean value of first pixel-parameters and second pixel-parameters can be calculated, by the meter The solid when mean value for calculating covers the screen area as the width of the crosstalk striped The pixel-parameters of image.
The application is corrected to stereoscopic display device in many fixed positions, and inclining using crosstalk striped Obtaining correction parameter, the accuracy of calculated correction parameter is high, and can greatly improve school at angle Forward efficiency.
After obtaining grating pixel correction parameter and grating focus correction parameter, in order to eliminate further Calculation error and improve the accuracy of correction further, can open in the stereoscopic display device Again translational movement is finely adjusted in the case of opening tracking, that is, obtains translational movement fine setting parameter.
Figure 11 is referred to, which is a kind of structure chart of parameter acquiring unit of the embodiment of the present invention.This Parameter acquiring unit 34 includes：Micro- translation parameters obtains subelement 111.Micro- translation parameters is obtained The inclination angle of the crosstalk striped that subelement 111 is calculated in the Dip countion unit meets preset angle In the case of degree scope and stereoscopic display device unlatching tracking, according to the image string for calculating Disturb the translational movement fine setting parameter that scoring obtains corresponding stereo-picture.Translational movement finely tunes taking for parameter Value is interval can be with the thick correction parameter of the translational movement for obtaining as median, and left and right respectively sets a model Enclose to determine.Described picture crosstalk scoring refers to the evaluation criteria to three-dimensional picture crosstalk situation. The acquisition methods that translational movement finely tunes parameter are described below.It should be noted that the thick school of translational movement The method of adjustment of positive parameter is similar with the method for adjustment of translational movement fine setting parameter, and here is no longer detailed Description.
Specifically, adjustment translational movement typically angle correct parameter, grating pixel correction parameter, Grating focus correction parameter has corrected that and carries out in the case of completing, it is assumed that xoffadd parameter is translation Amount fine setting parameter, crosstalk striped is red an IOU issued by a post office line, by suitably adjusting xoffadd parameter, makes red green Striped is translated in the horizontal direction, and when moving to a suitable numerical value, left and right camera is grabbed Image assumes most bright-coloured redness and green respectively.This suitable parameter is exactly optimal xoffadd ginseng Number.
When stereoscopic display device shows stereo-picture using optimal xoffadd parameter, the camera of left and right two The stereo-picture for photographing is the red and green image of pure color respectively, and red and green respectively filled with whole image Region, nothing hang angle, and such beholder can experience optimal 3D effect when stereo-picture is observed.
The trimming process of xoffadd parameter is the minimum of a value time of the direct xoffadd parameter from detection interval Maximum is gone through, the xoffadd parameter for then therefrom selecting a spectrophotometric result best.In order to accelerate to search The speed of rope can be adjusted with a variable step-length.
For example, from the beginning of initial translational movement xoffadd=0, increase a numerical value every time, then right Stereoscopic display device is configured.After being configured to equipment every time, grabbed by filming apparatus immediately Stereo-picture is taken, and the color of stereo-picture is then analyzed using image analysis technology, and is become according to color Change situation is adjusted to step-length, can set one according to the color value of pixel on stereo-picture here Individual crosstalk scoring, is adjusted to the change step of xoffadd parameter according to crosstalk scoring situation.Such as Stereo-picture crosstalk scoring very low, illustrate far apart from optimal xoffadd parameter value, so need increasing Plus one than larger numerical value, to accelerate search speed., whereas if the crosstalk scoring of stereo-picture Higher, illustrate to be close to optimal xoffadd parameter value, so arranging the smaller xoffadd of a step-length Parameter value, with precise search.After the crosstalk scoring of image reaches certain threshold value, can be by now Xoffadd parameter is stored in an array, finally finds out an optimal xoffadd from this array Parameter.
Because there are two images of left view and right view in the stereo-picture that stereoscopic display device is provided, please Referring to the schematic diagram that Figure 12, Figure 12 are the optimal viewing location of stereo-picture, according to optical imaging concept, Only when the left camera of filming apparatus and right camera are individually positioned in optimal viewing point, i.e. Figure 12 Middle circled positions, just can see most bright-coloured stereo-picture, so three-dimensional aobvious according to filming apparatus distance Show the difference of equipment distance, optimum value is selected from multiple candidate xoffadd parameter values can two kinds of sides Case：
The first, when two cameras of filming apparatus are located at optimum position, it is single that translational movement calculates son Unit 111 obtains translational movement parameter corresponding to picture crosstalk scoring highest stereo-picture as optimal Translational movement fine setting parameter.In this case, left side camera capture the image that arrives most bright-coloured when, The image on the right should also be most bright-coloured, so left and right stereo-picture is while reaching most bright-coloured degree 's.Optimal xoffadd parameter now can make the left side (or the right) image most bright-coloured Xoffadd parameter value.Now only need to be according to the image of a camera collection it may determine that going out optimal Xoffadd parameter.
Second, when two cameras of filming apparatus are not located at optimum position, specifically, When two cameras are not all placed on optimal optics viewing location, or two cameras all exist Before optimum position, or two cameras are all placed on after optimal viewing location, refer to Figure 13 and Figure 14, Figure 13 are placed on the schematic diagram after optimal viewing location, Tu14Wei for camera Camera is placed on the schematic diagram before optimal viewing location.At this moment it is possible that：Left side camera Most bright-coloured solid-color image is grabbed, but the image that the right camera is captured but has not been most fresh Gorgeous solid-color image, or just conversely, right image has detected that most bright-coloured solid-color image, and The left side is also not detected by most bright-coloured solid-color image.In this case, translational movement computation subunit 111 One selection region is constituted according to the xoffadd parameter being stored in array, and obtains this selection The median in region is used as optimal xoffadd parameter.And choose from selection region optimal Xoffadd parameter can adopt different schemes, and the present embodiment provides three kinds of preferred versions：
(1) if corresponding xoffadd parameter when the image that left and right camera is grabbed reaches most bright-coloured Difference very little, as shown in figure 15, Figure 15 is a kind of curve of the translational movement fine setting parameter array of selection Schematic diagram, in Figure 15, abscissa is xoffadd parameter value, and ordinate is crosstalk score value, two songs Line is the curve of left view and the corresponding xoffadd parameter array of right view respectively, at this moment can take respectively The mean value of xoffadd parameter when the right and left image reaches most bright-coloured degree (i.e. ordinate is maximum) As optimal xoffadd parameter, that is, the xoffadd parameter of dotted line position in Figure 15 is taken as optimal Xoffadd parameter.
(2) if corresponding xoffadd parameter when the image that left and right camera is grabbed reaches most bright-coloured Difference is larger, and as shown in figure 16, in Figure 16, abscissa is xoffadd parameter value, and ordinate is crosstalk Score value, less two curves of peak value are left view and the corresponding xoffadd parameter number of right view respectively The curve of group, at this moment takes the sum of ordinate value of the xoffadd parameter curve of left view and right view most The corresponding xoffadd parameter of big value is optimal xoffadd parameter, will two curve ordinate phases Plus, a higher curve of peak value in Figure 16 is formed, then takes the maximum pair of this curve ordinate The abscissa that answers is chosen to be optimal xoffadd parameter.
(3) curve that Figure 17, Figure 17 are another translational movement fine setting parameter array that chooses is referred to Schematic diagram, in Figure 17, abscissa is xoffadd parameter value, and ordinate is crosstalk score value, two songs Line is the curve of left view and the corresponding xoffadd parameter array of right view respectively.Set an ordinate Threshold value (as shown in threshold line in Figure 17), filters out four abscissas (i.e. A, B, C, D tetra- Abscissa), the median for then taking abscissa B, C or the median conduct for taking abscissa A, D Optimum xoffadd parameter.
It should be noted that for different stereoscopic display devices, can be according to the solid shown by which The concrete analysis of image is selecting calculative correction parameter, and it is not absolutely required to each school Positive parameter all carries out a calculating.For example when stereo-picture only has two vertical crosstalk stripeds, and go here and there The width for disturbing striped is maximum, then only need to calculate translational movement fine setting parameter without calculating angle Degree correction parameter.And for example after stereo-picture calculates angle correct parameter, stereoscopic display device according to The stereo-picture that the two correction parameters show is in pure color, then without the need for calculating translational movement fine setting parameter again.
The application is corrected to stereoscopic display device in many fixed positions, and inclining using crosstalk striped Obtaining correction parameter, the accuracy of calculated correction parameter is high at angle, using the correction parameter come During correction stereoscopic display device, the impact caused because of rigging error can be eliminated, lifting stereoscopic display sets Standby display effect.
Figure 18 is referred to, which is the correction parameter of another kind of stereoscopic display device of the embodiment of the present invention The structure chart of acquisition device.Stereoscopic display device compared with the embodiment of Fig. 3, shown in Figure 18 Correction parameter acquisition device 21 except include image acquisition unit 31, crosstalk bar detection list Unit 32, Dip countion unit 33, parameter acquiring unit 34, also include：Image analyzing unit 181.
Image analyzing unit 181 is used for carrying out the stereo-picture that image acquisition unit 31 is received Analysis, so that its analysis result to be sent to other units in device as needed.Graphical analysis Stereo-picture can be changed to HSV space by unit 181, obtain tone, saturation degree and brightness Numerical value on three components, to be analyzed to stereo-picture.
Further, Figure 19 is referred to, which is a kind of knot of image analyzing unit of the embodiment of the present invention Composition.This image analyzing unit is further included：Crosstalk score calculation subelement 191.Crosstalk Score calculation subelement 191 is used for the color according to the stereo-picture, calculates picture crosstalk and comments Point.The crosstalk score calculation subelement 191 can be by the color value to the stereo-picture Subregion statistics is carried out, and the color value further according to zones of different is interval, phase is given to zones of different The weights that answers, then the color value to all regions sued for peace and weighted sum, finally will All weighted color value and with all colours value and ratio as picture crosstalk score.
Specifically, many places are required for detecting the cross talk conditions of stereo-picture in this application, Such as translational movement computation subunit 111 is accomplished by picture crosstalk scoring judging stereo-picture Solid-color image, described picture crosstalk scoring is an evaluation criterion to three-dimensional picture crosstalk degree, If the region that solid color occupies stereo-picture is more, and color is more bright-coloured, then the stereo-picture Picture crosstalk scoring is higher.
By taking redness as an example, judge red pixel bright-coloured degree when, the color value to image carries out subregion Domain counts, if the color value of most of pixel is all concentrated near color value 0, can be concluded that figure As belonging to very bright-coloured redness.The bright-coloured degree of the entirety of image be can determine according to such method.Tool For body, when needing to pass judgment on red image, one point can be done to the color value of pixel on image Sub-region right is sued for peace, the color value weighted sum of all pixels point divided by unweighted numerical value and, profit With this numerical value as to stereo-picture crosstalk evaluation.So-called subregion weighting, refers to closer to most The color value of hunting pink (most hunting pink color value is 0) gives bigger weight, such as in color The interval numerical value summation of value (0-5) is then multiplied by a larger weight 64, color value (5-10) area Between numerical value summation be multiplied by a weight 16, the interval numerical value of color value (10-15) and be multiplied by one little Weight 4, the interval numerical value summation of color value (15-20) keeps constant, by weighted sum divided by not plus Numerical value that is power and can obtaining one 1 to 64, can do a crosstalk journey with this numerical value to image The evaluation of degree.Another method similarly is, is red stereoscopic display region for target, In addition to above-mentioned weighted sum is carried out to red objects value, can also to the stereoscopic display region its His non-targeted color value, such as the green color value of crosstalk, these non-targeted color intervals are sued for peace and are taken advantage of With the weight of a negative, then will be interval for all colours value in the stereoscopic display region and its corresponding Weighted value be multiplied summation, divided by the sum of unweighted all colours interval value, one can be obtained with this Individual value between (- 64,64), it is also possible to make the evaluation of a degree of crosstalk of this numerical value to image. Stereo-picture for green is also processed in this way, can obtain one to green bright-coloured degree Judge.
Figure 21 is referred to, which is the correction parameter of another stereoscopic display device of the embodiment of the present invention The structure chart of acquisition device, compared with the embodiment of Figure 18, the stereoscopic display shown in Figure 21 sets Standby correction parameter acquisition device 21 is except including image acquisition unit 31, crosstalk bar detection Unit 32, computing unit 33, parameter acquiring unit 34, image analyzing unit 181, screen area Domain detector unit 182, also includes：Detection interval arranging unit 211.
Detection interval arranging unit 211 is used for arrange parameter detection interval, and the detection that will be arranged Interval sends stereoscopic display device to, so that stereoscopic display device shows according to the detection interval for arranging Show stereo-picture, in order to the calculating of correction parameter.The detection interval of setting can include interval Size, parameter adjustment step-length etc..And in trimming process, angle correct parameter, grating pixel Correction parameter, translational movement coarse adjustment parameter, translational movement fine setting correction parameter etc. are required for reference value Detection interval is configured.For example when translational movement is corrected, arranged by detection interval first single Unit 211 arranges translational movement correction parameter and (slightly corrects ginseng including translational movement fine setting parameter and translational movement Number) detection interval and detection interval in value step-length, and the detection interval of setting is sent out Give micro- translation parameters and subelement 111 is obtained, then micro- translation parameters obtains 111, subelement According to the stereo-picture for receiving parameter reference values corresponding with detection interval, optimal putting down is obtained Shifting amount correction parameter (including translational movement fine setting parameter and the thick correction parameter of translational movement).
The application can automatically complete the calculating of correction parameter, manually operated without the need for operator, and It is to be corrected after the completion of stereoscopic display device assembling, correction result reliability is high, effectively can carry Rise stereo display effect.
The application also proposes a kind of correction parameter of stereoscopic display device and obtains system, including：Clap Take the photograph device and processing meanss.Filming apparatus are used for shooting the stereoscopic display device positioned at least two The stereo-picture shown during individual fixed position.Processing meanss are used for obtaining the filming apparatus in institute State stereoscopic display device and be located at the stereo-picture shot during at least two fixed positions, detection Crosstalk striped in the stereo-picture, the stereo-picture include crosstalk described at least one Striped；Calculate the inclination angle of the crosstalk striped for detecting；And the crosstalk that described ought be calculated When the inclination angle of striped meets predetermined angle scope, then obtain the corresponding stereo-picture in the inclination angle Correction parameter, for the correction of the stereoscopic display device.
Corresponding to the correction system of aforementioned stereoscopic display device, the application also proposes a kind of stereoscopic display The correction parameter acquisition methods of equipment, refer to Figure 22, and which is that one kind of the embodiment of the present invention is stood The flow chart of the correction parameter acquisition methods of body display device, the method are comprised the following steps：
S2201, what when acquisition is located at least two fixed positions, the stereoscopic display device showed stand Body image.
S2202, solid when detecting that the stereoscopic display device is located at least two fixed positions Crosstalk striped in image.The stereo-picture includes crosstalk striped described at least one
S2203, calculates the stripe angle of the crosstalk striped for detecting.
S2204, when the stereoscopic display device for calculating is located at least two fixed positions When corresponding crosstalk striped stripe angle meet predetermined angle scope, then obtain described three-dimensional aobvious Show the correction parameter of equipment.
Further, (i.e. step when obtaining the stereo-picture that the stereoscopic display device shows S2202) following steps be may further include again, refers to Figure 28：
S2801, receives the image frame including the stereoscopic display device for photographing.
S2802, determines the screen area of stereoscopic display device described in described image picture.Permissible By obtaining the brightness value of pixel or chromatic value in described image picture, according still further to predetermined luminance Threshold value or chromatic value carry out binary conversion treatment to the brightness value of the pixel of the acquisition, to obtain Then the corresponding quasi- screen area is carried out by corresponding quasi- screen area according to preset shape Merger is divided, to determine the screen area of stereoscopic display device described in described image picture.
S2803, obtains the stereo-picture that the screen area shows.
Further, detect (step S2202) and permissible during the crosstalk striped in stereo-picture Further comprising the steps, refer to Figure 23：
S2301, calculates the color value of pixel in the stereo-picture.
S2302, obtains the crosstalk striped in the stereo-picture according to the color value for calculating.
Further, during the inclination angle of the crosstalk striped that calculating is detected (i.e. step S2203) May further include following steps again, refer to Figure 24：
S2401, calculates the color value of pixel in the stereo-picture.
S2402, according to the color value of the pixel for calculating, determine the crosstalk striped it Between line of demarcation.The color value of the pixel can be carried out by methods such as least square methods Fitting, the lines that fitting is obtained are used as the line of demarcation between the crosstalk striped.
S2403, judges whether the distribution of marginal wire meets default linear distribution condition.If Meeting and then step S2404 is entered, if being unsatisfactory for, giving up the line of demarcation.The linear distribution bar Part is preferably linearly distributed.Further, when judging marginal linear distribution, first can obtain The marginal pixel coordinate sequence, then calculate the marginal pixel coordinate sequence Covariance matrix, then calculate the characteristic value of the covariance matrix, finally according to calculating The characteristic value differentiate the marginal linear degree.
S2404, calculates the marginal inclination angle, using the inclination angle as the crosstalk striped.
If it should be noted that being determined according to the color value of the pixel for calculating a plurality of The crosstalk striped and corresponding a plurality of line of demarcation, in order to improve the computational accuracy at inclination angle, Ke Yiji The a plurality of marginal inclination angle between crosstalk striped is calculated, and mean value is calculated, using as described point The inclination angle in boundary line.
In step S2204, correction parameter include angle correct parameter, grating pixel correction parameter, Grating focus correction parameter, translational movement fine setting parameter etc..It should be noted that standing for different Body display device, can select according to the concrete analysis of the stereo-picture shown by which calculative Correction parameter, and it is not absolutely required to carry out each correction parameter a time calculating.For example when vertical Body image only has two vertical crosstalk stripeds, and the width of crosstalk striped is maximum, then only need Translational movement correction parameter is calculated without calculating angle correct parameter.And for example when stereo-picture is calculated After going out angle correction parameter, the stereo-picture that display device shows according to the two correction parameters is in pure color, Then without the need for calculating translational movement correction parameter again.
Further, when the inclination angle of the crosstalk striped for calculating meets set angle, then basis Corresponding stereo-picture may further include following steps when obtaining angle correct parameter, please join See Figure 25：
S2501, when meeting predetermined angle scope according to the inclination angle, the plurality of stereo-picture is corresponded to Multiple pixel-parameters, obtain angle correct parameter reference corresponding with the plurality of pixel-parameters Value.
S2502, according to the corresponding angle correct parameter reference values of the plurality of pixel-parameters, Calculate the linear relationship of the pixel-parameters and angle correct parameter reference values.
S2503, according to the pixel-parameters and the linear relationship of angle correct parameter reference values, institute State grating physical parameter t of the light-splitting device of stereoscopic display device and default grating focal length parameter The fixed position information of f1 and the stereoscopic display device, determines that the inclination angle is corresponding vertical The angle correct parameter of body image, using the angle correct parameter as the stereoscopic display device.
Further, may comprise steps of when obtaining the thick correction parameter of translational movement, refer to figure 26：
S2601, judges whether the central point of the crosstalk striped is in the center of the screen area Region.If the determination result is YES, then step S2602 is entered, if judged result is no, enters Step S2603.
S2602, by the central spot of the crosstalk striped in the stereo-picture screen area During heart district domain, corresponding translational movement parameter is used as the thick correction parameter of the translational movement.
S2603, adjusts the translational movement parameter of the stereo-picture, so that the stereoscopic display device Show the stereo-picture according to the translational movement parameter after adjustment.And return to step S2601.
Further, grating pixel correction parameter and the light of the corresponding stereo-picture in the inclination angle are obtained Following steps be may further include during grid focus correction parameter, refer to Figure 29：
S2901, judges whether the width of the crosstalk striped covers the screen area.Can lead to Cross and judge that whether the width of the crosstalk striped is sentenced more than or equal to the width of the screen area Breaking, whether which covers the screen area.If the determination result is YES, then step S2902 is entered；If Judged result is no, then enter step S2903.
S2902, the pixel of the stereo-picture when crosstalk striped is covered the screen area The corresponding grating pixel-parameters of parameter as the grating pixel correction parameter, by corresponding grating Focal length parameter is used as the grating focus correction parameter.
S2903, adjusts the pixel-parameters of the stereo-picture, so that the stereoscopic display device is pressed Show the stereo-picture according to the pixel-parameters after adjustment；And return to step S2901.
Specifically, in execution step S2902, that is, the light-splitting device of stereoscopic display device is calculated When grating pixel correction parameter and grating focus correction parameter, Figure 34 is referred to, which is reality of the present invention Apply grating pixel correction parameter and the grating of a kind of light-splitting device of calculating stereoscopic display device of example Flow chart during focus correction parameter, which comprises the following steps：
S3401, according to the corresponding pixel-parameters of each fixed position, each fixed position to solid The distance of display device, the grating pixel-parameters of the light-splitting device of stereoscopic display device and grating are burnt Away from the physical relation of parameter, the grating pixel correction ginseng of the light-splitting device of stereoscopic display device is obtained Number and the linear relationship of grating focus correction parameter.
Wherein, the corresponding pixel-parameters of each fixed position, refer to the stereoscopic display device position In each fixed position and the stereo-picture crosstalk striped cover described vertical during the screen area The pixel-parameters of body image, the fixed position information residing for the stereoscopic display device refer to described Fixed position information is the stereoscopic display device to the distance between filming apparatus information.
S3402, using grating pixel correction parameter and the grating of the light-splitting device of stereoscopic display device The linear relationship of focus correction parameter calculates the grating pixel of the light-splitting device of stereoscopic display device Correction parameter and the value of grating focus correction parameter.
Wherein, as the change linear relationship between pixel-parameters and crosstalk width of fringe is in parabolic Wire shaped, therefore crosstalk width of fringe just cover screen region when, two pixels ginseng can be obtained Numerical value, i.e. the first pixel-parameters and the second pixel-parameters.In order to improve accuracy further, can To calculate the mean value of first pixel-parameters and second pixel-parameters, by the calculating The mean value for going out is used as the grating pixel correction parameter pixel-parameters.
Specifically, the linear pass between the pixel correction parameter of acquisition and grating focus correction parameter System is：
Therefore calculate grating pixel correction parameter and during grating focus correction parameter can according to Lower formula：Wherein, diThe i-th fixed point position is located at for the stereoscopic display device Fixed position information when putting, pitchiWhen being located at the i-th fixed position for the stereoscopic display device And the pixel-parameters of crosstalk striped stereo-picture when covering the screen area, f is vertical The grating focus correction parameter of the light-splitting device of body display device, t0 are dividing for stereoscopic display device The grating pixel correction parameter of optical device.
Further, correspond to when getting the stereoscopic display device and being located at multiple fixed positions During the pixel-parameters of stereo-picture, then calculate the light-splitting device grating pixel correction parameter and The step of grating focus correction parameter, includes：The stereoscopic display device of the acquisition is located at Correspond to during multiple fixed positions residing for pixel-parameters and the stereoscopic display device of stereo-picture Fixed position information all substitutes into formula：Matrix is formed, and is calculated described The minimal error of matrix, will meet corresponding grating pixel-parameters and grating focal length during minimal error Parameter is used as grating pixel correction parameter and the grating focus correction parameter of the light-splitting device.
Further, may comprise steps of when obtaining translational movement fine setting parameter, refer to figure 27：
S2701, arranges translational movement fine setting parameter detecting interval.
S2702, finely tunes the interval reception stereo-picture of parameter detecting according to the translational movement.
S2703, extracts the color value of the stereo-picture.
S2704, the color value to the stereo-picture carry out subregion statistics.
S2705, interval according to the color value of zones of different, corresponding weights are given to zones of different.
S2706, the color value to all regions are sued for peace and weighted sum.
S2707, using all weighted color value and with all colours value and ratio as image Crosstalk is scored.
S2708, scores according to picture crosstalk and obtains translational movement fine setting parameter.
Wherein, when obtaining translational movement fine setting parameter according to picture crosstalk scoring, clapped according to stereo-picture Act as regent the difference that puts, and can be divided into two ways：The first, when shooting stereo images position position When optimal viewing position, translational movement corresponding to picture crosstalk scoring highest stereo-picture is obtained Parameter finely tunes parameter as optimal translational movement.Second, when shooting stereo images position does not have Positioned at optimal viewing position when, first obtain crosstalk scoring more than a given threshold stereo-picture Translational movement parameter obtained according to the translational movement parameter reference values using as reference value, secondly flat Shifting amount finely tunes parameter selection region, then obtains the median of the translational movement parameter selection region Parameter is finely tuned as optimal translational movement.The application can automatically complete the calculating of correction parameter, Manually operated without the need for operator, and be corrected after the completion of stereoscopic display device assembling, correction knot Fruit reliability is high, can effectively lift stereo display effect.
Through the above description of the embodiments, those skilled in the art can be understood that this Inventive embodiments can be realized by hardware, it is also possible to by software plus necessary general hardware platform Mode is realizing.Based on such understanding, the technical scheme of the embodiment of the present invention can be with software product Form embody, the software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk, portable hard drive etc.) in, use so that a computer sets including some instructions Standby (can be personal computer, server, or network equipment etc.) execute the embodiment of the present invention each Method described in implement scene.
The above, is only presently preferred embodiments of the present invention, not makees any form to the present invention On restriction, although the present invention is disclosed above with preferred embodiment, but is not limited to this Bright, any those skilled in the art, in the range of without departing from technical scheme, when can A little change is made using the technology contents of the disclosure above or the Equivalent embodiments of equivalent variations is modified to, In every case it is that the technical spirit according to the present invention is to above example without departing from technical scheme content Any simple modification, equivalent variations and the modification that is made, all still falls within the scope of technical solution of the present invention Interior.

Claims (39)

1. correction parameter acquisition methods of a kind of stereoscopic display device, it is characterised in that include：
Obtain the stereoscopic display device and be located at the stereogram shown during at least two fixed positions Picture；
Detect that the stereoscopic display device is located at the solid obtained during at least two fixed positions Crosstalk striped in image, the stereo-picture include crosstalk striped described at least one；
Calculate the stripe angle of the crosstalk striped for detecting；
Corresponding described when calculating the stereoscopic display device and being located at least two fixed positions When the stripe angle of crosstalk striped meets predetermined angle scope, then obtain the stereoscopic display device Correction parameter, for correcting the stereoscopic display device.
2. correction parameter acquisition methods of stereoscopic display device as claimed in claim 1, its are special Levy and be, described obtain the display device and be located at the solid shown during at least two fixed positions In the step of image, at least two fixed position is linear to be arranged or across arrangement.
3. correction parameter acquisition methods of stereoscopic display device as claimed in claim 1, its are special Levy and be, described obtain the stereoscopic display device and be located at show during at least two fixed positions The stereo-picture that stereo-picture shows, including：
What reception was photographed shows when being located at least two fixed positions including the stereoscopic display device The image frame for showing；
Determine the screen area of stereoscopic display device described in described image picture；
Obtain the stereo-picture that the screen area shows.
4. correction parameter acquisition methods of stereoscopic display device as claimed in claim 3, its are special Levy and be, described determine described image picture in screen area the step of, including：
Obtain the brightness value of pixel or chromatic value in described image picture；
According to predetermined luminance threshold value or default chromatic value to the brightness value of the pixel of the acquisition or Chromatic value is corresponded to and carries out binary conversion treatment, to obtain corresponding quasi- screen area；
The corresponding quasi- screen area is carried out merger division according to preset shape, to determine State screen area.
5. correction parameter acquisition methods of stereoscopic display device as claimed in claim 1, its are special Levy and be, described detection obtain the stereo-picture in crosstalk striped the step of include：
Calculate the color value of pixel in the stereo-picture；
Crosstalk striped in the stereo-picture is obtained according to the color value for calculating.
6. correction parameter acquisition methods of stereoscopic display device as claimed in claim 1, its are special Levy and be, described calculate detect the crosstalk striped stripe angle the step of include：
Calculate the color value of pixel in the stereo-picture；
According to the color value of the pixel for calculating, dividing between the crosstalk striped is determined Boundary line；
The marginal inclination angle is calculated, using the stripe angle as the crosstalk striped.
7. correction parameter acquisition methods of stereoscopic display device as claimed in claim 6, its are special Levy and be, the basis calculates the color value of the pixel and determines between the crosstalk striped Marginal step include：
Color value to the pixel is fitted, and the lines that fitting is obtained are used as the string Disturb the line of demarcation between striped.
8. correction parameter acquisition methods of stereoscopic display device as claimed in claim 7, its are special Levy and be, after the color value to the pixel is fitted, also include：
Judge whether the wire distribution of the lines for being fitted and obtaining meets default linear distribution bar Part；
If meeting default linear distribution condition, using the lines that obtain of being fitted as described Line of demarcation between crosstalk striped.
9. correction parameter acquisition methods of stereoscopic display device as claimed in claim 6, its are special Levy and be, if according to the color value of the pixel for calculating determine the crosstalk striped it Between a plurality of line of demarcation, then described calculating the marginal inclination angle the step of include：
Calculate a plurality of marginal inclination angle between the crosstalk striped respectively, and calculate described many The mean value at the marginal inclination angle of bar, using as the marginal inclination angle.
10. correction parameter acquisition methods of stereoscopic display device as claimed in claim 3, its It is characterised by, the correction parameter of the stereoscopic display device includes:Angle correct parameter；
Described when described calculate the stereoscopic display device be located at least two fixed positions when pair When the stripe angle of the crosstalk striped that answers meets predetermined angle scope, then obtain the stereoscopic display The step of correction parameter of equipment, including：
Obtain the inclination angle when stereoscopic display device is located at any one fixed position corresponding The angle correct parameter of stereo-picture, using the angle correct parameter as the stereoscopic display device.
The correction parameter acquisition methods of 11. stereoscopic display devices as claimed in claim 10, its It is characterised by,
Described obtain the inclination angle pair when the stereoscopic display device is located at least two fixed positions The stereo-picture that answers, including：
Obtain the stereoscopic display device respectively and be located at each fixed position and according to different pixels Corresponding multiple stereo-pictures when parameter shows；
When the inclination angle when the crosstalk striped for calculating meets predetermined angle scope, then obtain Take the stereoscopic display device correction parameter the step of, including：
The plurality of stereo-picture corresponding multiple when meeting predetermined angle scope according to the inclination angle Pixel-parameters, obtain the plurality of pixel when the stereoscopic display device is located at arbitrary fixed position The corresponding angle correct parameter reference values of parameter；According to obtain the plurality of pixel-parameters with Its corresponding angle correct parameter reference values, calculates the stereoscopic display device and is located at arbitrary fixed point Linear relationship during position between the pixel-parameters and angle correct parameter reference values；According to institute State the linear relationship between pixel-parameters and angle correct parameter reference values, the stereoscopic display to set The grating physical parameter of standby light-splitting device and default grating focal length parameter and the solid The fixed position information of display device, determines the angle correct parameter ginseng of the stereoscopic display device Value is examined, using the angle correct parameter as the stereoscopic display device.
The correction parameter acquisition side of 12. stereoscopic display devices as described in claim 10 or 11 Method, it is characterised in that the correction parameter of the stereoscopic display device includes：Translational movement is slightly corrected Parameter；
The correction parameter acquisition methods of the stereoscopic display device also include：
When the inclination angle of the crosstalk striped for calculating meets predetermined angle scope, then obtain respectively Take the corresponding stereo-picture in the inclination angle when stereoscopic display device is located at each fixed position The thick correction parameter of translational movement.
The correction parameter acquisition methods of 13. stereoscopic display devices as claimed in claim 12, its Be characterised by, described obtain respectively the stereoscopic display device be located at each fixed position when described in The step of translational movement of the corresponding stereo-picture in inclination angle thick correction parameter, including：
Judge whether the central point of the crosstalk striped is in the center of the screen area；
If the determination result is YES, then using corresponding for crosstalk striped translational movement parameter as described The thick correction parameter of translational movement；Or,
If judged result is no, the translational movement parameter of the stereo-picture is adjusted, so that described Stereoscopic display device shows the stereo-picture according to the translational movement parameter after adjustment；And return Judge whether the central point of the crosstalk striped is in the center of the stereo-picture screen area Step.
The correction parameter acquisition methods of 14. stereoscopic display devices as claimed in claim 12, its It is characterised by, the correction parameter of the stereoscopic display device includes:The grating pixel of light-splitting device Correction parameter and grating focus correction parameter；
When the stripe angle when the crosstalk striped for calculating meets predetermined angle scope, The correction parameter of the stereoscopic display device is then obtained, including：
Obtain grating pixel correction parameter and the grating focus correction ginseng of the stereoscopic display device Number.
The correction parameter acquisition methods of 15. stereoscopic display devices as claimed in claim 14, its It is characterised by, the grating pixel correction parameter for obtaining the stereoscopic display device and grating are burnt Away from correction parameter the step of, including：
Stereo-picture when judging that the stereoscopic display device is located at least two fixed positions Whether the width of crosstalk striped covers the screen area；
If the determination result is YES, then obtain the stereoscopic display device and be located at least two fixed point positions Put and the stereo-picture crosstalk striped cover the screen area when stereo-picture picture Plain parameter, and according to obtain the stereoscopic display device be located at least two fixed positions and The pixel ginseng of the stereo-picture when stereo-picture crosstalk striped covers the screen area Fixed position information residing for several, described stereoscopic display devices, calculates the stereoscopic display device The grating pixel correction parameter of light-splitting device and the grating focus correction parameter, described Fixed position information is the stereoscopic display device to the distance between filming apparatus information；Or
If judged result is no, the pixel-parameters of the stereo-picture are adjusted, so that described vertical Body display device shows the stereo-picture according to the pixel-parameters after adjustment；And return judgement The crosstalk striped of the stereo-picture when stereoscopic display device is located at least two fixed positions Width the step of whether cover the screen area.
The correction parameter acquisition methods of 16. stereoscopic display devices as claimed in claim 15, its It is characterised by, the grating pixel correction parameter for calculating the light-splitting device and grating focal length school Positive parameter, including：
According to formula： d i d i + f = t 0 pitch i ;
Wherein, diThe fixed position letter being located at for the stereoscopic display device during the i-th fixed position Breath, pitchiFor the stereoscopic display device be located at the i-th fixed position when and the crosstalk striped cover The pixel-parameters of the stereo-picture during screen area are covered, f is the light splitting of stereoscopic display device The grating focus correction parameter of device, t0 are the grating pixel of the light-splitting device of stereoscopic display device Correction parameter.
The correction parameter acquisition methods of 17. stereoscopic display devices as claimed in claim 16, Characterized in that, corresponding to when getting the stereoscopic display device and being located at multiple fixed positions vertical During the pixel-parameters of body image, the grating pixel correction parameter of the calculating light-splitting device and The step of grating focus correction parameter, includes：
Stereogram is corresponded to when the stereoscopic display device of the acquisition is located at multiple fixed positions Fixed position information residing for the pixel-parameters of picture and the stereoscopic display device all substitutes into public affairs Formula：Matrix, and the minimal error of the calculating matrix is formed, will be met During minimal error, corresponding grating pixel-parameters and grating focal length parameter are used as the light-splitting device Grating pixel correction parameter and grating focus correction parameter.
The correction parameter acquisition methods of 18. stereoscopic display devices as claimed in claim 15,
The width of the crosstalk striped of the stereo-picture covers the screen area to be included：The string The width of striped is disturbed more than or equal to the screen area；
Methods described also includes：When obtaining the width of the crosstalk striped equal to the screen area First pixel-parameters of the stereo-picture and the second pixel-parameters；
The mean value of first pixel-parameters and second pixel-parameters is calculated, by the meter The solid when mean value for calculating covers the screen area as the width of the crosstalk striped The pixel-parameters of image.
The correction parameter acquisition methods of 19. stereoscopic display devices as claimed in claim 14, its It is characterised by, the correction parameter of the stereo-picture also includes：Translational movement finely tunes parameter；
The correction parameter acquisition methods of the stereoscopic display device also include：
When the stripe angle when the crosstalk striped for calculating meets predetermined angle scope, The correction parameter of the stereoscopic display device is then obtained, including：
In the case that the stereoscopic display device opens tracking, the stereoscopic display device is obtained Translational movement correction fine setting parameter.
The correction parameter acquisition methods of 20. stereoscopic display devices as claimed in claim 19, its Be characterised by, described obtain the stereoscopic display device translational movement fine setting correction parameter the step of Including：
When the stereoscopic display device opens tracking, the color value of the stereo-picture is extracted；
According to the color value of the stereo-picture, the picture crosstalk scoring of the stereo-picture is calculated；
Picture crosstalk scoring according to calculating obtains the translational movement and finely tunes parameter.
The correction parameter acquisition methods of 21. stereoscopic display devices as claimed in claim 20, its It is characterised by, the color value according to the stereo-picture, calculates the figure of the stereo-picture Include as the step of crosstalk is scored：
Color value to the stereo-picture carries out subregion statistics；
Interval according to the color value of zones of different, corresponding weights are given to zones of different；
Color value to all regions is sued for peace and weighted sum；
Using all weighted color value and with all colours value and ratio comment as picture crosstalk Point.
The correction parameter acquisition device of 22. a kind of stereoscopic display devices, it is characterised in that include：
Image acquisition unit, is located at least two fixed point positions for obtaining the stereoscopic display device The stereo-picture shown when putting；
Crosstalk fringe detection unit, fixed positioned at least two for detecting the stereoscopic display device Crosstalk striped in the stereo-picture got during point position, the stereo-picture include Crosstalk striped described at least one；
Dip countion unit, for calculating the stripe angle of the crosstalk striped for detecting；
Parameter acquiring unit, the stereoscopic display device for described calculating are located at least When during two fixed positions, the stripe angle of corresponding crosstalk striped meets predetermined angle scope, then The correction parameter of the stereoscopic display device is obtained, for correcting the stereoscopic display device.
The correction parameter acquisition device of 23. stereoscopic display devices as claimed in claim 22, its It is characterised by, at least two fixed position is linear to be arranged or across arrangement.
The correction parameter acquisition device of 24. stereoscopic display devices as claimed in claim 22, its It is characterised by, described image acquiring unit includes：
Receiving subelement, for receive photograph including the stereoscopic display device display screen Image frame；
Determination subelement, for determine the receiving subelement receive described image picture in institute The screen area of stereoscopic display device is stated, and obtains the stereo-picture that the screen area shows.
The correction parameter acquisition device of 25. stereoscopic display devices as claimed in claim 24, its It is characterised by, the determination subelement includes：
Brightness of image analyzes subelement, for obtaining the brightness value of pixel in image frame；
Binary conversion treatment subelement, for according to default luminance threshold to pixel on image frame The brightness value of point carries out binary conversion treatment, to obtain corresponding quasi- screen area；
Range searching subelement, sets shape for search in the corresponding quasi- screen area Region；
Merger divides subelement, and the region of the setting shape for searching carries out merger division, And determine the screen area, to determine the screen of stereoscopic display device described in described image picture Curtain region.
The correction parameter acquisition device of 26. stereoscopic display devices as claimed in claim 22, its It is characterised by, the correction parameter acquisition device of the stereoscopic display device also includes：
Image analyzing unit, for calculating the color value of pixel in the stereo-picture；
The color value that the crosstalk fringe detection unit is calculated according to described image analytic unit is true Crosstalk striped in the fixed stereo-picture.
The correction parameter acquisition device of 27. stereoscopic display devices as claimed in claim 22, its It is characterised by, the correction parameter acquisition device of the stereoscopic display device also includes：
Image analyzing unit, for calculating the color value of pixel in the stereo-picture；
The Dip countion unit is further included：
Line of demarcation obtains subelement, for calculated described according to described image analytic unit The color value of pixel in stereo-picture, determines the line of demarcation between the crosstalk striped；
Computation subunit, for dividing according to calculate the line of demarcation acquisition subelement and determine The inclination angle in boundary line, using the inclination angle as the crosstalk striped.
The correction parameter acquisition device of 28. stereoscopic display devices as claimed in claim 27, its It is characterised by, the line of demarcation obtains subelement by intending to the color value of the pixel Close, the lines that fitting is obtained are used as the line of demarcation between the crosstalk striped.
The correction parameter acquisition device of 29. stereoscopic display devices as claimed in claim 28, its It is characterised by, the Dip countion unit also includes：
Wire detection sub-unit, is fitted, for judging that the line of demarcation obtains subelement, the line for obtaining Whether the wire distribution of bar meets default linear distribution condition, if meeting default linear distribution Condition, then using the lines for obtaining that are fitted as the line of demarcation between the crosstalk striped.
The correction parameter acquisition device of 30. stereoscopic display devices as claimed in claim 27, its It is characterised by, if the line of demarcation obtains subelement and gets a plurality of line of demarcation, the calculating Subelement calculates a plurality of marginal inclination angle respectively, and calculates mean value, using as described The inclination angle of crosstalk striped.
The correction parameter acquisition device of 31. stereoscopic display devices as claimed in claim 22, its It is characterised by, the correction parameter of the stereoscopic display device includes:Angle correct parameter；
When the stereoscopic display device that the Dip countion unit is calculated is fixed positioned at least two During point position, the inclination angle of corresponding crosstalk striped meets predetermined angle scope, then obtain the solid The angle school of the corresponding stereo-picture in inclination angle when display device is located at any one fixed position Positive parameter, using the angle correct parameter as the stereoscopic display device.
The correction parameter of 32. stereoscopic display devices as described in claim 22 or 31 obtains dress Put, it is characterised in that the correction parameter of the stereoscopic display device also includes：The thick school of translational movement Positive parameter；
At least two fixed points are located at when the Dip countion unit calculates the stereoscopic display device During position, the inclination angle of the corresponding crosstalk striped meets predetermined angle scope, then the parameter is obtained Take unit and obtain the inclination angle when stereoscopic display device is located at each fixed position respectively and correspond to Stereo-picture the thick correction parameter of translational movement.
The correction parameter acquisition device of 33. stereoscopic display devices as claimed in claim 32, its It is characterised by, the parameter acquiring unit is still further comprised：
Central point detection sub-unit, for judging string that the crosstalk fringe detection unit is detected Whether the central point for disturbing striped is in the central area of the screen area；
Thick translation parameters obtains subelement, for judging institute in the central point detection sub-unit The central spot of crosstalk striped is stated when the central area of the stereo-picture screen area, will be right The translational movement parameter that answers is used as the thick correction parameter of the translational movement.
The correction parameter acquisition device of 34. stereoscopic display devices as claimed in claim 32, its It is characterised by, the correction parameter of the stereoscopic display device includes:The grating pixel of light-splitting device Correction parameter and grating focus correction parameter；
At least two fixed points are located at when the Dip countion unit calculates the stereoscopic display device During position, the inclination angle of the corresponding crosstalk striped meets predetermined angle scope, then the parameter is obtained Take grating pixel correction parameter and grating focal length that unit obtains the corresponding stereo-picture in the inclination angle Correction parameter.
The correction parameter acquisition device of 35. stereoscopic display devices as claimed in claim 34, its It is characterised by, the parameter acquiring unit is still further comprised：
Width of fringe detection sub-unit, for judging the stereoscopic display device positioned at least two During fixed position, whether the width of the crosstalk striped that the crosstalk fringe detection unit is detected covers The screen area；
Pixel focal length parameter acquiring subelement, for judging when the width of fringe detection sub-unit Go out the crosstalk striped width cover the screen area when, then obtain the stereoscopic display and set The screen area is covered for the crosstalk striped for being located at least two fixed positions and the stereo-picture The pixel-parameters of stereo-picture during domain, and according to the stereoscopic display device position for obtaining In at least two fixed positions and the stereo-picture crosstalk striped cover screen area when institute State the fixed position information residing for the pixel-parameters of stereo-picture, the stereoscopic display device, meter Calculate grating pixel correction parameter and the grating focus correction of the light-splitting device of the stereoscopic display device Parameter, the fixed position information are the distance between described stereoscopic display device to filming apparatus Information.
The correction parameter acquisition device of 36. stereoscopic display devices as claimed in claim 35, its It is characterised by, the parameter acquiring unit calculates the grating image of the light-splitting device of stereoscopic display device According to below equation when plain correction parameter and grating focus correction parameter：
d i d i + f = t 0 pitch i ;
Wherein, diThe fixed position letter being located at for the stereoscopic display device during the i-th fixed position Breath, pitchiFor the stereoscopic display device be located at the i-th fixed position when and the crosstalk striped cover The pixel-parameters of the stereo-picture during screen area are covered, f is the light splitting of stereoscopic display device The grating focus correction parameter of device, t0 are the grating pixel of the light-splitting device of stereoscopic display device Correction parameter.
The correction parameter acquisition device of 37. stereoscopic display devices as claimed in claim 36, its It is characterised by, when the width of fringe detection sub-unit judges width of the crosstalk striped etc. When the screen area, the pixel focal length parameter acquiring subelement obtains corresponding first picture Plain parameter and the second pixel-parameters, and calculate first pixel-parameters and second pixel ginseng Several mean value, and the mean value for calculating is covered as the width of the crosstalk striped Cover the pixel-parameters of the stereo-picture during screen area.
The correction parameter acquisition device of 38. stereoscopic display devices as claimed in claim 34, its It is characterised by, the correction parameter of the stereo-picture also includes：Translational movement finely tunes parameter；Work as institute The inclination angle for stating the crosstalk striped that Dip countion unit is calculated meets predetermined angle scope and described vertical In the case that tracking opened by body display device, the parameter acquiring unit obtains the stereoscopic display The translational movement fine setting parameter of equipment.
A kind of correction parameter of 39. stereoscopic display devices obtains system, it is characterised in that include：
Filming apparatus, when being located at least two fixed positions for shooting the stereoscopic display device The stereo-picture of display；
Processing meanss, are located at least two for obtaining the filming apparatus in the stereoscopic display device The stereo-picture shot during fixed position, detects the crosstalk striped in the stereo-picture, The stereo-picture includes crosstalk striped described at least one；Calculate the crosstalk for detecting The inclination angle of striped；And the stereoscopic display device described ought be calculated positioned at least two fixed points When the inclination angle of corresponding crosstalk striped meets predetermined angle scope during position, then obtain the solid The correction parameter of display device, for the correction of the stereoscopic display device.
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CN106934834A (en) * 2017-03-09 2017-07-07 深圳市魔眼科技有限公司 A kind of method and 3D display devices of the calibration parameter of determination 3D display devices
CN107155104A (en) * 2017-06-23 2017-09-12 深圳超多维科技有限公司 A kind of display bearing calibration of bore hole stereoscopic display equipment and device
CN107179613A (en) * 2017-06-23 2017-09-19 深圳超多维科技有限公司 A kind of display bearing calibration, device and the electronic equipment of bore hole stereoscopic display equipment
CN107179613B (en) * 2017-06-23 2019-08-06 深圳超多维科技有限公司 A kind of display bearing calibration, device and the electronic equipment of bore hole stereoscopic display equipment
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CN109429056A (en) * 2017-07-05 2019-03-05 张艳红 A kind of 3D Grating Film is bonded method, apparatus and the mobile terminal of correction
CN109429056B (en) * 2017-07-05 2020-11-10 张艳红 Method and device for laminating and correcting 3D grating film and mobile terminal
CN107655660A (en) * 2017-10-31 2018-02-02 江苏中升立体显示科技有限公司 The column mirror grating measurement method of parameters of bore hole 3D display equipment
CN113242420A (en) * 2021-04-22 2021-08-10 深圳市创鑫未来科技有限公司 Stereo calibration chart and method for manually calibrating stereo display picture
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

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