CN103558690B - Grating type stereoscopic display device, signal processing method and image processing device - Google Patents
Grating type stereoscopic display device, signal processing method and image processing device Download PDFInfo
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Abstract
The invention discloses a grating type stereoscopic display device which comprises a display panel and a plurality of parallel gratings. The display panel is used for displaying an N-viewpoint view formed by arranging rectangular pixels in equal sizes, the clearances between the rectangular pixels form a plurality of first parallel black lines and a plurality of second black lines perpendicular to the first black lines, and the intersection points of the first black lines and the second black lines are black matrix intersection points. The parallel gratings are arranged in front of the display panel in an overlapped mode, and the grating pitch of each grating is a set value so that when at least one of the two parallel edges of each grating crosses with two adjacent first black lines, intersection points formed through crossing cannot be overlapped with the black matrix intersection points of two adjacent first black lines. The device and a method are used for solving the technical problem that in the prior art, serious Moire patterns exist on the displayed image of a naked-eye stereoscopic display device.
Description
Technical field
The present invention relates to display technique, particularly relate to a kind of grating type stereoscopic display device, signal processing method and image processing apparatus.
Background technology
At present, naked-eye stereoscopic display device is also in conceptual phase, does not popularize in a large number, and due to the naked restriction looking display technique and signal processing technology, makes naked-eye stereoscopic display device fail perfection.
At present, based on naked eye three-dimensional (3D) the auto-stereoscopic display mainly raster pattern 3D auto-stereoscopic display that binocular parallax is developed.It in 2D flat-panel screens, installs grating additional form.Grating can be divided into cylindrical grating or slit grating, and cylindrical grating is also called cylindrical lens raster or lenticular sheet, and slit grating is also called looks barrier baffle plate or slotted barrier.Utilize the principle of grating beam splitting, the light that the pixel of display screen zones of different sends is distinguished.So eyes, from different angles viewing display screen, are just seen different images, thus are made to see that the user that adjacent two width have certain anaglyph visually produces 3D effect.
But, owing to there is the black matrix structure of periodicity of similar black line between rectangular pixels that display shows, and grating is also periodic strip structure, on the edge of grating and black matrix, orthogonal two limits produce a series of point of crossing, the appearance of these point of crossing rules, and the generation moir patterns that is connected one by one.Wherein, when the point of crossing of the edge of grating and the point of crossing of the horizontal sides of black matrix and the vertical edges of grating edge and black matrix is same, this point is three point of crossing, limit, and when two three limit intersection are nearer, can produce obvious moir patterns.
Please refer to Fig. 1, A1 point in Fig. 1 is the common intersection point that the edge and i-th of grating arranges black matrix vertical edges and the capable black matrix horizontal sides of m, B1 point is the common intersection point that the edge of grating and jth arrange black matrix vertical edges and the capable black matrix horizontal sides of m, C1 point is the common intersection point that the edge of grating and jth-1 arrange black matrix vertical edges and the capable black matrix horizontal sides of m-1, because grating and black matrix are all periodic structures, therefore the existence in the naked-eye stereoscopic display device shown in Fig. 1 meets above-mentioned A1 point, B1 point, the point of a series of period profile of the position relationship of C1 point, three point of crossing, limit of these periodic distribution couple together and can form obvious moire fringes, stereo display effect is deteriorated, have a strong impact on the visual experience of user.
And the technical matters showing serious moire fringes for naked-eye stereoscopic display device in prior art there is no good solution.
Summary of the invention
The embodiment of the present application is by providing a kind of grating type stereoscopic display device, signal processing method and image processing apparatus, and the display image in order to solve naked-eye stereoscopic display device in prior art exists the technical matters of serious moire fringes.
On the one hand, the embodiment of the present application provides following technical scheme:
A kind of grating type stereoscopic display device, the viewpoint number of described grating type stereoscopic display device is N, it is characterized in that, described device comprises:
Display panel, for the N viewpoint view that the rectangular pixels showing same size rearranges, space between described rectangular pixels forms many parallel the first black lines and many second black lines vertical with described first black line, and the intersection point of described first black line and described second black line is black matrix intersection point;
Many parallel gratings, these many parallel gratings overlap in described display panel front;
Wherein, the raster pitch of every bar grating is setting value, and during to make having at least a limit crossing with adjacent two the first black lines in two parallel edges of every bar grating, the crossing intersection point formed is not overlapping with the black matrix intersection point of described two adjacent the first black lines.
Optionally, described setting value is specially: the length of the line segment that described first black line is covered by a grating and the product of an angle theta cosine value, and wherein, described angle theta is the angle of two parallel edges and described second black line.
Optionally, described first black line by the length of the line segment that a grating covers is: each rectangular pixels along the wide of described first black line direction and described viewpoint number product and a dislocation value Δ P's and, each rectangular pixels is P along the wide of described first black line direction
sub, the length of each rectangular pixels is c P doubly
sub; Wherein, Δ P is less than P
sub, and Δ P is not equal to the length of described each rectangular pixels and the product of θ tangent value of k times, k is positive integer, and c is positive number.
On the other hand, the embodiment of the present application additionally provides a kind of signal processing method, and be applied in above-mentioned grating type stereoscopic display device, described method comprises:
In described N viewpoint view, along the first direction of described first black line, in every a line rectangular pixels, show the display cycle of H preset length successively;
In each display cycle, show b N view sequence unit, b is positive integer;
Insert between described N view sequence unit in each display cycle and show compensation pixel, can align a display cycle of covering to make described b bar grating.
Optionally, insert between described described N view sequence unit in each display cycle and show compensation pixel, be specially: when the rectangular pixels of the 1st in the i-th+1 N view sequence unit the first limit and described grating one article of parallel edges crossing, and intersect and first direction described in described first edge is divided into the first line segment and the second line segment successively, if when the ratio of the length of the length of described first line segment and described second line segment is greater than a threshold value, inserts between i-th N view sequence unit and the i-th+1 N view sequence unit and show 1 compensation pixel; Wherein, described first limit is parallel with described first black line; The displaying contents of described compensation pixel is identical with the 1st rectangular pixels in described N view sequence unit.
Optionally, the described display cycle showing H preset length in every a line rectangular pixels, be specially: in every a line rectangular pixels, along described first direction, 1st is risen by the position at the rectangular pixels place that described grating covers, shows the display cycle of a described H preset length.
Again on the one hand, the embodiment of the present application additionally provides a kind of image processing apparatus, and be applied in above-mentioned grating type stereoscopic display device, described image processing apparatus comprises:
First processing unit, in described N viewpoint view, along the first direction of described first black line, shows the display cycle of H preset length successively in every a line rectangular pixels;
Second processing unit, for showing b N view sequence unit in each display cycle, b is positive integer;
Plug-in unit, for inserting between the described N view sequence unit in each display cycle and showing compensation pixel, can align a display cycle of covering to make described b bar grating.
Optionally, described plug-in unit also for: when the rectangular pixels of the 1st in the i-th+1 N view sequence unit the first limit and described grating one article of parallel edges crossing, and intersect and first direction described in described first edge is divided into the first line segment and the second line segment successively, if when the ratio of the length of the length of described first line segment and described second line segment is greater than a threshold value, inserts between i-th N view sequence unit and the i-th+1 N view sequence unit and show 1 compensation pixel; Wherein, described first limit is parallel with described first black line; The displaying contents of described compensation pixel is identical with the 1st rectangular pixels in described N view sequence unit.
Optionally, described first processing unit also for: in every a line rectangular pixels, along described first direction, the 1st is risen by the position at the rectangular pixels place that described grating covers, shows the display cycle of a described H preset length.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, the grating type stereoscopic display device, signal processing method and the image processing apparatus that provide of the embodiment of the present application, by arranging the raster pitch of every bar grating, when making to have at least a limit crossing with adjacent two the first black lines in two parallel edges of every bar grating, intersect the intersection point formed not overlapping with the black matrix intersection point of described two adjacent the first black lines, thus increase and two parallel edges of grating and the distance of black matrix intersection point, thus achieve the technique effect slackening moire fringes.
2, the grating type stereoscopic display device, signal processing method and the image processing apparatus that provide of the embodiment of the present application, when changing raster pitch, compensation pixel is inserted by between b N view sequence unit showing in each display cycle, realize a b bar grating alignment display cycle of covering, and then the light that diverse location pixel in the display cycle sends can accurately be distinguished by grating.
Accompanying drawing explanation
Fig. 1 is that in prior art, moire fringes produces principle schematic;
Fig. 2 is the structural representation of grating type stereoscopic display device in the embodiment of the present application one;
Fig. 3 is the crossing schematic diagram of the first black line that in the embodiment of the present application one, grating two parallel edges are adjacent with two;
Fig. 4 is the block diagram of signal processing method in the embodiment of the present application one;
Fig. 5 is the arrangement schematic diagram of every row of N viewpoint view sequence in the embodiment of the present application two;
Fig. 6 is the rectangular pixels arrangement schematic diagram of N viewpoint view sequence in the embodiment of the present application two;
Fig. 7 is the structural representation of the display device of the embodiment of the present application three.
Embodiment
The embodiment of the present application is by providing a kind of grating type stereoscopic display device, signal processing method and image processing apparatus, there is the technical matters of serious moire fringes in the display image solving naked-eye stereoscopic display device in prior art, achieves the technique effect slackening moire fringes.
For solving the problems of the technologies described above, the embodiment of the present application provides the general thought of technical scheme as follows:
A kind of grating type stereoscopic display device, the viewpoint number of described grating type stereoscopic display device is N, and described device comprises:
Display panel, for the N viewpoint view that the rectangular pixels showing same size rearranges, space between described rectangular pixels forms many parallel the first black lines and many second black lines vertical with described first black line, and the intersection point of described first black line and described second black line is black matrix intersection point;
Many parallel gratings, these many parallel gratings overlap in described display panel front;
Wherein, the raster pitch of every bar grating is setting value, and during to make having at least a limit crossing with adjacent two the first black lines in two parallel edges of every bar grating, the crossing intersection point formed is not overlapping with the black matrix intersection point of described two adjacent the first black lines.
Can be found out by foregoing, by arranging the raster pitch of every bar grating, when making to have at least a limit crossing with adjacent two the first black lines in two parallel edges of every bar grating, intersect the intersection point formed not overlapping with the black matrix intersection point of described two adjacent the first black lines, thus increase by two parallel edges of grating and the distance of black matrix intersection point, thus achieve the technique effect slackening moire fringes.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail, the specific features being to be understood that in the embodiment of the present invention and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
Embodiment one:
In embodiment one, provide a kind of grating type stereoscopic display device, the viewpoint number of described grating type stereoscopic display device is N, please refer to Fig. 2, and Fig. 2 is the schematic diagram of grating type stereoscopic display device in the embodiment of the present application one, and described device comprises:
Display panel 21, for the N viewpoint view that the rectangular pixels 211 showing same size rearranges, space between described rectangular pixels 211 forms many parallel the first black lines 212 and many second black lines 213 vertical with described first black line 212, and described first black line 212 is black matrix intersection point 214 with the intersection point of described second black line 213;
Many parallel gratings 22, these many parallel gratings 22 overlap in described display panel 21 front;
Wherein, the raster pitch of every bar grating 22 is setting value, during to make having at least a limit crossing with adjacent two the first black lines 212 in two parallel edges 221 of every bar grating 22, the crossing intersection point formed is not overlapping with the black matrix intersection point 214 of described two adjacent the first black lines 212.
In specific implementation process, grating type stereoscopic display device is the grating 22 by display panel 21 front, with the rectangular pixels 211 of display on different direction projection display panels 21, so when eyes are from different angles viewing display screen, different rectangular pixels collection just can be seen.In actual viewing process, when user watches before grating type stereoscopic display device, two rectangular pixels that position is adjacent on a display screen, one enters user's left eye, and another enters user's right eye (in other words, on the adjacent N viewpoint view corresponding to two rectangular pixels, adjacent two subgraphs one enter user's left eye, and another enters user's right eye), therefore between the right and left eyes of user, produce parallax, thus make user produce three-dimensional visual effect.In specific implementation process, adjacent two rectangular pixels in above-mentioned position on a display screen come from the subgraph of two different video camera shootings.
In the embodiment of the present application, described setting value is specially:
The length of the line segment that described first black line 212 is covered by a grating and the product of an angle theta cosine value, wherein, described angle theta is the angle of two parallel edges 221 and described second black line 213.
Specifically, for the raster pitch how arranging grating 22, during to make having at least a limit crossing with adjacent two the first black lines 212 in two parallel edges 221 of every bar grating 22, the crossing intersection point formed is not overlapping with the black matrix intersection point 214 of described two adjacent the first black lines 212.Need to meet two conditions, details are as follows simultaneously:
Described in A, demand fulfillment, two parallel edges 221 can not be simultaneously overlapping with the described black matrix intersection point 214 on same first black line 212.
Meet above-mentioned condition, then need the length that the line segment that described first black line 212 is covered by a grating 22 is set to be: each rectangular pixels 211 along the wide and described viewpoint number in the direction of described first black line 212 product and a dislocation value Δ P's and, each rectangular pixels 211 is P along described the wide of first black line 212 direction
sub, the length of each rectangular pixels 211 is c P doubly
sub; Wherein, Δ P is less than P
sub.
Now, the raster pitch of grating 22 equals the length of line segment that described first black line 212 covered by a grating 22 and the product of θ cosine value, i.e. raster pitch P=(N*P
sub+ Δ P) * cos θ, wherein, N is the viewpoint number of described grating type stereoscopic display device.
Described black matrix intersection point 214 on described first black line 212 that the arranging in demand fulfillment two parallel edges 221 of B, Δ P has at least a limit not adjacent with two is overlapping.
Meet above-mentioned condition, then and Δ P is not equal to the k length of described each rectangular pixels 211 doubly and the product of θ tangent value.I.e. Δ P ≠ c*k*P
sub* tan θ, k are positive integer, and c is positive number.
Below in conjunction with Fig. 3, said method is described further, as Δ P ≠ c*k*P
sub*, during tan θ, the described black matrix intersection point 214 on described first black line 212 having at least a limit not adjacent with two in two parallel edges 221 is overlapping.
And Δ P is not equal to the length of described each rectangular pixels 211 and the product of θ tangent value of k times, k is positive integer, and c is positive number.
By Δ P ≠ c*k*P
sub* tan θ can release
Namely
be not equal to the integral multiple of each rectangular pixels 211 along the width in the direction of described second black line 213, the some A3 namely in Fig. 3 and the distance between some B3 are not equal to the integral multiple of each rectangular pixels 211 along the width in the direction of described second black line 213.
Namely as shown in Figure 3, when the black matrix intersection point C3 on the First Line 33 in the first black line that the first parallel edges 31 in two parallel edges 221 is adjacent with two overlaps, the second parallel edges 32 in two parallel edges 221 can not overlap with the black matrix intersection point on First Line 33 or the second line 34.
To sum up, as the raster pitch P=(N*P of grating 22
sub+ Δ P) * cos θ, Δ P<P
sub, and Δ P ≠ c*k*P
sub* tan θ, N is positive integer, and k is positive integer, when c is positive number, when having at least a limit crossing with adjacent two the first black lines 212 in two parallel edges 221 of every bar grating 22, the crossing intersection point formed is not overlapping with the black matrix intersection point 214 of described two adjacent the first black lines 212.
Specifically, by arranging the raster pitch of every bar grating, when making to have at least a limit crossing with adjacent two the first black lines in two parallel edges of every bar grating, intersect the intersection point formed not overlapping with the black matrix intersection point of described two adjacent the first black lines, thus increase the distance of the black matrix intersection point overlapping with two parallel edges of grating, thus achieve the technique effect slackening moire fringes.
Embodiment two:
A kind of signal processing method is provided in embodiment two, be applied in the grating type stereoscopic display device described in embodiment one, specifically for demonstrating N viewpoint view on the display panel of grating type stereoscopic display device described in embodiment one, please refer to Fig. 4, Fig. 4 is the block diagram of signal processing method in the embodiment of the present application two, and described method comprises:
Step S401, in described N viewpoint view, along the first direction of described first black line, shows the display cycle of H preset length successively in every a line rectangular pixels;
Step S402, in each display cycle, show b N view sequence unit, b is positive integer;
Step S403, inserts between the described N view sequence unit in each display cycle and shows compensation pixel, can align a display cycle of covering to make described b bar grating.
B the N view sequence unit that H display cycle in every row of N viewpoint view and H display cycle are comprised and the concrete arrangement mode of compensation pixel, please refer to Fig. 5, Fig. 5 is the arrangement mode schematic diagram of every row of N viewpoint view in the embodiment of the present application two; As shown in the figure, row of N viewpoint view 501 comprises H display cycle 502, in the described H display cycle 502 in each display cycle the arrangement order of rectangular pixels and displaying contents all identical, and first of h display cycle rectangular pixels is adjacent with last rectangular pixels of h-1 display cycle; Last rectangular pixels of h display cycle is adjacent with first rectangular pixels of h+1 display cycle, and wherein h is positive integer, and 1<h<H.Each display cycle 502 comprises at least one N view sequence unit 503 and at least one compensation pixel 504, wherein, in each N view sequence unit 503, along first direction, from the 1st rectangular pixels to N number of rectangular pixels, the parallax between each matrix pixel and described 1st rectangular pixels forms increasing sequence; In a display cycle 502, the X in compensation pixel 504 i.e. figure, inserts and is presented between described N view sequence unit 503.
For how making described b bar grating can align a display cycle of covering, detailed set-up mode is as follows:
Described in embodiment one, the raster pitch P=(N*P of grating in grating type stereoscopic display device
sub+ Δ P) * cos θ, wherein, Δ P is described dislocation value, P
subfor each rectangular pixels is along the width in the direction of described first black line.
When having b N view sequence unit and a compensation pixel in the display cycle, each display cycle is (b*N+a) * P along the length in the direction of the first black line
sub; And the length that each grating covers the line segment of first black line is N*P
sub+ Δ P, when each display cycle along the length in the direction of the first black line equal each grating cover the b times of the length of the line segment of first black line time, b bar grating can align a display cycle of covering, i.e. (b*N+a) * P
sub=b* (N*P
sub+ Δ P) time, b bar grating can align a display cycle of covering.
To sum up, to formula (b*N+a) * P
sub=b* (N*P
sub+ Δ P) carry out abbreviation after, show that the ratio as a and b equals Δ P and P
subratio time, b bar grating can align a display cycle of covering.
Such as, when Δ P is the P of 1/3rd
subtime, each display cycle comprises 3 N view sequence unit and 1 compensation pixel.
To sum up, when the ratio of a and b equals Δ P and P
subratio time, b grating just equals the width of a display cycle along the direction of the first black line along the width in the direction of the first black line.Namely b grating can just align with a display cycle, to realize the accurate light splitting of rectangular pixels in the grating pair display cycle.
Such as, when Δ P equals
p
sub, when equaling 3 depending on points N, each display cycle is (4*3+1) * P along the width in the direction of the first black line
sub, i.e. 13*P
sub;
Now, grating along the width in the direction of the first black line is
namely
That is, 3 gratings can just align with a display cycle.
In the embodiment of the present application, in order to realize accurate light splitting, a display cycle not only will be made to align overlapping with b grating, also will by inserting compensation pixel, a grating is made to align overlapping with a N view sequence unit, specifically can insert compensation pixel by following two kinds of computing method, align overlapping to make a grating with a N view sequence unit:
The first, when the first limit of the rectangular pixels of the 1st in the i-th+1 N view sequence unit and one article of parallel edges of described grating crossing, and intersect and first direction described in described first edge is divided into the first line segment and the second line segment successively, if when the ratio of the length of the length of described first line segment and described second line segment is greater than a threshold value, inserts between i-th N view sequence unit and the i-th+1 N view sequence unit and show 1 compensation pixel;
Wherein, described first limit is parallel with described first black line; 0<i≤b; The displaying contents of described compensation pixel is identical with the 1st rectangular pixels in described N view sequence unit.
The second, after the ratio of a and b is multiplied by i, removes the value after integral part when being greater than another threshold value, insert between i-th N view sequence unit and the i-th+1 N view sequence unit and show 1 compensation pixel, 0<i≤b; Wherein, described compensation pixel is specially described 1st matrix pixel.
In specific implementation process, can arrange another threshold value described is 0.5.
Such as, when Δ P is
p doubly
sub, equal 4, a=1 depending on points N, during b=3, in each display cycle, have 3 N view sequence unit and 1 compensation pixel, altogether (3*4+1) individual rectangular pixels.
First, along described first direction, in the 1st N view sequence unit, display is numbered the rectangular pixels of 1,2,3,4 successively;
Judge again
whether be greater than 0.5, now i=1, therefore
be less than 0.5, therefore directly showing the 2nd N view sequence unit after the 1st N view sequence unit, namely along described first direction, be shown as 1,2,3,4,1,2,3,4 successively;
Next, judge as i=2,
whether be greater than 0.5, now
be greater than 0.5, therefore immediately show 1 compensation pixel after the 2nd N view sequence unit after, show the 3rd N view sequence unit again, namely along described first direction, be shown as 1,2,3,4,1,2,3,4,1,1,2,3,4 successively;
Finally, judge as i=3,
whether be greater than 0.5, now
be less than 0.5, therefore no longer insert compensation pixel.
Finally, obtain rectangular pixels in 1 display cycle along described first direction put in order for: 1,2,3,4,1,2,3,4,1,1,2,3,4.Wherein compensation pixel is inserted between the 2nd N view sequence unit and the 3rd N view sequence unit.
Compensation pixel is inserted by above-mentioned two kinds of modes, each grating alignd in an overlapping b grating with a display cycle can be made to align overlapping with the N view sequence unit in the display cycle, to realize the accurate light splitting to the rectangular pixels in N view sequence unit.
Described above is the arrangement method of rectangular pixels in every row of N viewpoint view sequence, below in conjunction with Fig. 6, the arrangement method of rectangular pixels in whole N viewpoint view be described:
Fig. 6 is the rectangular pixels arrangement schematic diagram of N viewpoint view in the embodiment of the present application two, as shown in Figure 6, shows the display cycle of H preset length, be specially in every a line rectangular pixels:
In every a line rectangular pixels, along 601, the position at described first direction the 602,1st the rectangular pixels place covered by described grating 22, show the display cycle of a described H preset length.
Continue with reference to figure 6, in rectangular pixels described in every a line, along described first direction 602, before the reference position 601 of a described H display cycle, have M rectangular pixels from described starting point pixel 603;
Wherein, along described first direction 602, a described M rectangular pixels has identical putting in order and displaying contents with M rectangular pixels rear in the display cycle.Namely form with described M the rectangular pixels of a line and the rectangular pixels in H display cycle the rectangular pixels circulated.
Specifically, can arrange along described first direction, m rectangular pixels in a described M rectangular pixels is identical with b*N+a-M+m rectangular pixels in the described display cycle, and m is positive integer, 0<m≤M.
For the 3rd row rectangular pixels in Fig. 6, from starting point pixel to H a display cycle reference position before have 2 rectangular pixels, have 3 N view sequence unit and 1 compensation pixel in the display cycle, viewpoint number N=4.
Now the 1st rectangular pixels of the 3rd row rectangular pixels is identical with the displaying contents of (3*4+1-2+1) the individual rectangular pixels in the display cycle, and namely the 1st rectangular pixels of the 3rd row rectangular pixels is identical with the displaying contents of the rectangular pixels of the 12nd in the display cycle.
In like manner, the 2nd rectangular pixels of the 3rd row rectangular pixels is identical with the displaying contents of the rectangular pixels of the 13rd in the display cycle.
Therefore have 2 rectangular pixels before the reference position of the 3rd row rectangular pixels display cycle from starting point pixel to H in Fig. 6, be shown as 3,4 successively.
Embodiment three:
In embodiment three, provide a kind of display device corresponding with the information processing method of embodiment two, be applied in the device described in embodiment one, please refer to Fig. 7, Fig. 7 is the structural drawing of the display device of the embodiment of the present application three, and described equipment comprises:
First processing unit 701, in described N viewpoint view, along the direction of described first black line, shows the display cycle of H preset length in every a line rectangular pixels;
Second processing unit 702, for showing b N view sequence unit in each display cycle, b is positive integer;
Plug-in unit 703, for inserting between the described N view sequence unit in each display cycle and showing compensation pixel, can align a display cycle of covering to make described b bar grating.
In the embodiment of the present application, described plug-in unit 703 also for:
When the rectangular pixels of the 1st in i-th N view sequence unit the first limit and described grating one article of parallel edges crossing, and intersect and described first limit is divided into the first line segment and the second line segment, if when the ratio of the length of the length of described first line segment and described second line segment is greater than a threshold value, inserts between the i-th-1 N view sequence unit and i-th N view sequence unit and show 1 compensation pixel;
Wherein, described first limit is parallel with described first black line; The displaying contents of described compensation pixel is identical with the 1st rectangular pixels in described N view sequence unit.
In the embodiment of the present application, described first processing unit 701 also for:
In every a line rectangular pixels, along described first direction, the 1st is risen by the position at the rectangular pixels place that described grating covers, shows the display cycle of a described H preset length.
Information processing method in the display device provided in the present embodiment and embodiment two, based on the aspect of two under same inventive concept, detailed description is done to the implementation process of method above, so those skilled in the art can according to the structure of the electronic equipment in aforementioned understanding the present embodiment be described clearly and implementation process, succinct in order to instructions, has just repeated no more at this.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
1, the grating type stereoscopic display device that the embodiment of the present application provides, signal processing method and image processing apparatus, by arranging the raster pitch of every bar grating, when making to have at least a limit crossing with adjacent two the first black lines in two parallel edges of every bar grating, intersect the intersection point formed not overlapping with the black matrix intersection point of described two adjacent the first black lines, thus increase the distance of the black matrix intersection point overlapping with two parallel edges of grating, and then in solution prior art there is the technical matters of serious moire fringes in the display image of naked-eye stereoscopic display device, realize the technique effect slackening moire fringes.
2, the grating type stereoscopic display device, signal processing method and the image processing apparatus that provide of the embodiment of the present application, compensation pixel is inserted by between b N view sequence unit showing in each display cycle, realize when changing the raster pitch of grating, b bar grating also can align a display cycle of covering, and then the light that diverse location pixel in the display cycle sends can accurately be distinguished by grating.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt can by the form of installing the upper computer program implemented of medium (including but not limited to disk erector, CD-ROM, optics erector etc.) at one or more computing machine wherein including computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be arranged on can in the computer-readable erector that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be arranged in this computer-readable erector produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a grating type stereoscopic display device, the viewpoint number of described grating type stereoscopic display device is N, it is characterized in that, described device comprises:
Display panel, for the N viewpoint view that the rectangular pixels showing same size rearranges, space between described rectangular pixels forms many parallel the first black lines and many second black lines vertical with described first black line, and the intersection point of described first black line and described second black line is black matrix intersection point;
Many parallel gratings, these many parallel gratings overlap in described display panel front;
Wherein, the raster pitch of every bar grating is setting value, and during to make having at least a limit crossing with adjacent two the first black lines in two parallel edges of every bar grating, the crossing intersection point formed is not overlapping with the black matrix intersection point of described two adjacent the first black lines.
2. device as claimed in claim 1, it is characterized in that, described setting value is specially:
The length of the line segment that described first black line is covered by a grating and the product of an angle theta cosine value, wherein, described angle theta is the angle of two parallel edges and described second black line.
3. device as claimed in claim 2, it is characterized in that, described first black line by the length of the line segment that a grating covers is: each rectangular pixels along the wide of described first black line direction and described viewpoint number product and a dislocation value Δ P's and, each rectangular pixels is P along the wide of described first black line direction
sub, the length of each rectangular pixels is c P doubly
sub;
Wherein, Δ P is less than P
sub, and Δ P is not equal to the length of described each rectangular pixels and the product of θ tangent value of k times, k is positive integer, and c is positive number.
4. a signal processing method, be applied in the arbitrary described device of claim 1-3, it is characterized in that, described method comprises:
In described N viewpoint view, along the first direction of described first black line, in every a line rectangular pixels, show the display cycle of H preset length successively;
In each display cycle, show b N view sequence unit, b is positive integer;
Insert between described N view sequence unit in each display cycle and show compensation pixel, can align a display cycle of covering to make described b bar grating.
5. method as claimed in claim 4, is characterized in that, insert and show compensation pixel, be specially between described described N view sequence unit in each display cycle:
When the first limit of the rectangular pixels of the 1st in the i-th+1 N view sequence unit and one article of parallel edges of described grating crossing, and intersect and described first edge first direction is divided into the first line segment and the second line segment successively, if when the ratio of the length of the length of described first line segment and described second line segment is greater than a threshold value, inserts between i-th N view sequence unit and the i-th+1 N view sequence unit and show 1 compensation pixel;
Wherein, described first limit is parallel with described first black line; The displaying contents of described compensation pixel is identical with the 1st rectangular pixels in described N view sequence unit.
6. method as claimed in claim 4, is characterized in that, the described display cycle showing H preset length in every a line rectangular pixels, be specially:
In every a line rectangular pixels, along described first direction, the 1st is risen by the position at the rectangular pixels place that described grating covers, shows the display cycle of a described H preset length.
7. an image processing apparatus, be applied in the arbitrary described device of claim 1-3, it is characterized in that, described image processing apparatus comprises:
First processing unit, in described N viewpoint view, along the first direction of described first black line, shows the display cycle of H preset length successively in every a line rectangular pixels;
Second processing unit, for showing b N view sequence unit in each display cycle, b is positive integer;
Plug-in unit, for inserting between the described N view sequence unit in each display cycle and showing compensation pixel, can align a display cycle of covering to make described b bar grating.
8. image processing apparatus as claimed in claim 7, is characterized in that, described plug-in unit also for:
When the first limit of the rectangular pixels of the 1st in the i-th+1 N view sequence unit and one article of parallel edges of described grating crossing, and intersect first direction described in described first edge, be divided into the first line segment and the second line segment successively, if when the ratio of the length of the length of described first line segment and described second line segment is greater than a threshold value, inserts between i-th N view sequence unit and the i-th+1 N view sequence unit and show 1 compensation pixel;
Wherein, described first limit is parallel with described first black line; The displaying contents of described compensation pixel is identical with the 1st rectangular pixels in described N view sequence unit.
9. image processing apparatus as claimed in claim 7, is characterized in that, described first processing unit also for:
In every a line rectangular pixels, along described first direction, the 1st is risen by the position at the rectangular pixels place that described grating covers, shows the display cycle of a described H preset length.
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| CN104064123B (en) * | 2014-07-05 | 2016-02-24 | 福州大学 | A kind of 3D-LED display system without Moire fringe |
| CN104614793A (en) * | 2014-12-30 | 2015-05-13 | 深圳市亿思达科技集团有限公司 | Optical grating and three-dimensional display device |
| CN104570370B (en) * | 2015-02-05 | 2017-02-22 | 京东方科技集团股份有限公司 | 3D (three-dimensional) display device |
| CN106483667B (en) * | 2015-08-28 | 2019-06-18 | 深圳超多维科技有限公司 | 3 d display device |
| CN105467603B (en) * | 2016-02-01 | 2018-05-08 | 京东方科技集团股份有限公司 | A kind of 3 d display device |
| CN107942525B (en) * | 2017-12-22 | 2021-02-02 | 张家港康得新光电材料有限公司 | Display device |
| CN110035274B (en) * | 2018-01-12 | 2020-10-16 | 中山大学 | Three-dimensional display method based on grating |
| TWI763206B (en) | 2020-12-25 | 2022-05-01 | 宏碁股份有限公司 | Display driving device and operation method thereof |
| TWI807713B (en) * | 2022-03-22 | 2023-07-01 | 友達光電股份有限公司 | Stereoscopic display system and method |
| CN115047645A (en) * | 2022-05-20 | 2022-09-13 | 北京芯海视界三维科技有限公司 | Display screen and display device |
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| CN100580408C (en) * | 2008-06-19 | 2010-01-13 | 浙江大学 | General-purpose grating parameter measurement method based on pillar lens grating LCD free stereo display equipment |
| WO2010072065A1 (en) * | 2008-12-25 | 2010-07-01 | 深圳市泛彩溢实业有限公司 | Hologram three-dimensional image information collecting device and method, reproduction device and method |
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