CN104394397A - Device and method of implementing display of image vision depth based on refractive index adjustment - Google Patents
Device and method of implementing display of image vision depth based on refractive index adjustment Download PDFInfo
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Abstract
The invention discloses a device and a method of implementing display of an image vision depth based on refractive index adjustment. The device comprises a display unit, an image processing unit capable of dividing an original image into at least two sub-images, a refractive index adjustment unit which is arranged on the display unit and a control unit connected with the image processing unit, the display unit and the refractive index adjustment unit, capable of controlling the display unit for respectively displaying a first sub-image and a second sub-image at a first moment and a second moment and controlling a refractive index of the refractive index adjustment unit so as to enable the first sub-image and the second sub-image to be output at a first optical path quantity and a second optical path quantity respectively. Through the method, the original image is divided into the two sub-units and the two sub-images are displayed at different moments, meanwhile, the two sub-units are output at different optical path quantities through changing the refractive index, so that depth parallax is generated between the two sub-images, and thus a user can directly feel the image depth.
Description
Technical field
The present invention relates to image display arts, particularly a kind of apparatus and method realizing image vision Depth display based on refractive index adjustment.
Background technology
At existing image display arts, be use two-dimensional display mostly, but in order to give user more true perfectly visual experience, therefore making the image shown by two-dimensional display have 3-D effect become research direction of today.
Current, the depth perception setting up 3-D view generally has following three kinds of modes, the first regulates color, brightness and shade on a sub-picture based on computer graphics, to set up the psychological depth cueing of image for user, make user in the illusion concentrating one's energy produce when observing image the degree of depth; The second utilizes binocular parallax principle, and the image in two-dimensional display is divided into left-eye image and eye image, and left-eye image is directed to left eye by grating, eye image is directed to right eye in use, realizes the three-dimensional display of Glassless; The third is also utilize binocular parallax principle, two-dimensional display shows left-eye image and eye image simultaneously, then user passes through worn color separation glasses, polarising glass or other equipment, left eye is made to see left-eye image, right eye can only see eye image, thus realizes the visual three-dimensional display of peripheral hardware assistance.
But, above-mentioned three kinds of modes all also exist certain problem, first kind of way can only realize finite depth, and need user to focus one's attention on image, the second way there are certain requirements for the distance of watching and angle, and the poor effect that image presents, the third mode needs special projector equipment and user need wear corresponding equipment, for individual use very inconvenient.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of device and method realizing image vision Depth display based on refractive index adjustment, original image can be divided into two groups of subgraphs, and while carrying out timesharing display to two groups of subgraphs, make two groups of subgraphs can export with different light path amounts after refractive index adjustment unit, and then between two groups of subgraphs, produce depth parallax, allow user can direct feeling to picture depth.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts, a kind of device realizing image vision Depth display based on refractive index adjustment is provided, comprise: graphics processing unit, for the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data; Control unit, is connected with graphics processing unit and display unit, shows the first subgraph, and show the second subgraph in the second moment according to the second sub-image data for controlling display unit in the first moment according to the first sub-image data; Refractive index adjustment unit, is arranged at the top of display unit; Control unit controls refractive index adjustment unit further and presents first refractive rate when display unit shows the first subgraph, export with the first light path amount to make the first subgraph, and control refractive index adjustment unit and present the second refractive index when display unit shows the second subgraph, export with the second light path amount to make the second subgraph, wherein the first light path amount is different from the second light path amount, and then makes to produce certain space or depth perception between the first subgraph and the second subgraph.
Wherein, control unit controls at least twice that the refreshing frequency of display unit to the first subgraph and the second subgraph is the refreshing frequency of image to be displayed, and control unit controls adjusting frequency as at least twice of the refreshing frequency of image to be displayed of refractive index adjustment unit.
Wherein, the first subgraph and the second subgraph correspond respectively to the zones of different of image to be displayed.
Wherein, the first subgraph is the foreground image in image to be displayed, and the second subgraph is the background image in image to be displayed.
Wherein, the first subgraph is the theactivewindow image of image to be displayed, and the second subgraph is the un-activation video in window of image to be displayed.
For solving the problems of the technologies described above, another technical solution used in the present invention, provide a kind of method realizing image vision Depth display based on refractive index adjustment, its step comprises:
The raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data; Control display unit and show the first subgraph in the first moment according to the first sub-image data, and show the second subgraph in the second moment according to the second sub-image data; Control the refractive index adjustment unit be arranged at above display unit and present first refractive rate when display unit shows the first subgraph, export with the first light path amount to make the first subgraph, and control refractive index adjustment unit and present the second refractive index when display unit shows the second subgraph, export with the second light path amount to make the second subgraph, wherein the first light path amount is different from the second light path amount, and then makes to produce certain space or depth perception between the first subgraph and the second subgraph.
Wherein, control display unit and show the first subgraph in the first moment according to the first sub-image data, and the step showing the second subgraph according to the second sub-image data in the second moment comprises: control at least twice that the refreshing frequency of display unit to the first subgraph and the second subgraph is the refreshing frequency of image to be displayed, control adjusting frequency as at least twice of the refreshing frequency of image to be displayed of refractive index adjustment unit.
Wherein, the step raw image data of image to be displayed being divided into the first sub-image data and the second sub-image data comprises: the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data and makes the first subgraph and the second subgraph correspond to the zones of different of image to be displayed.
Wherein, the step that the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data is comprised: the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data and makes the first subgraph correspond to the foreground image of image to be displayed, the second subgraph corresponds to the background image of image to be displayed.
Wherein, the step that the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data is comprised: the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data and makes the first subgraph correspond to the theactivewindow image of image to be displayed, the second subgraph corresponds to the un-activation video in window of image to be displayed.
The invention has the beneficial effects as follows: the situation being different from prior art, in the present invention, original image is divided into two subgraphs by graphics processing unit, and at display unit respectively while the different moment shows two subgraphs, the refractive index controlling refractive index adjustment unit makes two shown subgraphs export with different light path amounts, and then make to produce depth parallax between two subgraphs, allow user can direct feeling to picture depth.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention realizes the first execution mode of the device of image vision Depth display;
Fig. 2 is the light path schematic diagram of light through refractive index adjustment unit;
Fig. 3 is the workflow schematic diagram that the present invention realizes the first execution mode of the device of image vision Depth display;
Fig. 4 is the structural representation that the present invention realizes the second execution mode of the device of image vision Depth display;
Fig. 5 is the schematic diagram that image to be displayed is divided into the first subgraph and the second subgraph;
Fig. 6 is the workflow schematic diagram that the present invention realizes the second execution mode of the device of image vision Depth display;
Fig. 7 is the schematic flow sheet that the present invention realizes the 3rd execution mode of the method for image vision Depth display.
Embodiment
Consult Fig. 1, Fig. 1 is the first execution mode that the present invention realizes the device of image vision Depth display.Present embodiments provide for a device 100, comprising: graphics processing unit 101, control unit 102, refractive index adjustment unit 103 and display unit 104.
Wherein, graphics processing unit 101 is for being divided into the first sub-image data and the second sub-image data by the raw image data of image to be displayed.
In present embodiment, graphics processing unit 101 selects existing various image processor (GPU), the pixel number of the image stored in graphics processing unit 101 is according to comprising a segment number and a two-dimensional address, wherein segment number represents the RGB color of this pixel, and two-dimensional address represents the position of this pixel relative to whole image.When dividing raw image data, mainly divide according to its two-dimensional address, by the view data in certain region in image to be displayed as the first sub-image data, the view data in other regions is as the second sub-image data.In other execution modes, original image can also comprise other image informations, and, can divide image according to the demand of system, such as can according to the character of presented image, color, be used for dividing.
In the present embodiment, use Brook language realizes the division to raw image data, in the program using Brook language compilation, define the kernel program of specifying graphics processing unit 101 behavior, this kernel program comprises block function, pixels all in view data can be divided into groups, mark off at least two sub-image data thus.Other functions of Brook language compilation can also be used, to realize desired function.Certainly, other programming languages (C, CG, HLSL etc.) also can be selected to carry out coding and realize above-mentioned functions.
Wherein, control unit 102 is connected with graphics processing unit 101 and display unit 104 respectively, display unit 104 can be controlled and show the first subgraph in the first moment according to the first sub-image data, and show the second subgraph in the second moment according to the second sub-image data.
In present embodiment, in the first moment, control unit 102 controls graphics processing unit 101 and first sub-image data is sent to display unit 104, display unit 104 shows the first subgraph according to the first sub-image data again, in the second moment, control unit 102 continues to control graphics processing unit 101 and second sub-image data is sent to display unit 104, and display unit 104 shows the second subgraph.
In other embodiments, display unit 104 includes memory, for all view data that memory image processing unit 101 sends.In the first moment, control unit 102 direct control display unit 104 reads the first view data and shows the first image; In the second moment, control unit 102 direct control display unit 104 reads the second view data and shows the second image.
Refractive index adjustment unit 103 is arranged at the top of display unit 104.In present embodiment, the refractive index of refractive index adjustment unit 103 can adjust according to the control signal applied.Such as, refractive index adjustment unit 103 can be the refractive index adjustment unit based on liquid crystal, the liquid crystal layer specifically comprising upper substrate, infrabasal plate and be sealed between upper and lower base plate.Upper and lower base plate is provided with electrode, by applying specific voltage on electrode, the orientation of the liquid crystal molecule in liquid crystal layer can be changed, and utilize the refractive index characteristic of liquid crystal molecule, make refractive index adjustment unit not present different refractive indexes in the same time, thus change the light path amount of light.
Control unit 102 controls refractive index adjustment unit 103 further and presents first refractive rate when display unit 104 shows the first subgraph, export with the first light path amount to make the first subgraph, and control refractive index adjustment unit 103 and present the second refractive index when display unit 104 shows the second subgraph, export with the second light path amount to make the second subgraph, wherein the first light path amount is different from the second light path amount, and then makes to produce certain space or depth perception between the first subgraph and the second subgraph.
Refer to Fig. 2, Fig. 2 is the light path schematic diagram of light through refractive index adjustment unit 103.In general, the actual range that in Fig. 2, light, through refractive index adjustment unit 103, refraction or normal transmission occurs is d.Wherein, for the light of same incidence angle, when refractive index n is different, its light path L=n × d also can change thereupon.In the present embodiment, due to refractive index adjustment unit 103 refractive index along with the time adjustable, therefore corresponding light path amount is also along with the time is adjustable.
The detailed process of image display in present embodiment, refer to Fig. 3, Fig. 3 is the workflow schematic diagram that the present invention realizes the first execution mode of the device of image vision Depth display, and its key step comprises,
Step 301: the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data by graphics processing unit 101;
Step 302: in the first moment, control unit 102 controls refractive index adjustment unit 103 and presents first refractive rate, controls graphics processing unit 101 simultaneously and sends the first sub-image data to display unit 104;
Step 303: display unit 104 shows the first subgraph according to the first sub-image data received;
Step 304: in the second moment, control unit 102 controls refractive index adjustment unit 103 and presents the second refractive index, controls graphics processing unit 101 simultaneously and sends the second sub-image data to display unit 104;
Step 305: display unit 104 shows the second subgraph according to the second sub-image data received;
Step 301 is got back to after completing.
In step 301, raw image data can be divided into multiple sub-image data.Then there is multiple moment accordingly in step below, and in each moment, refractive index adjustment unit 103 has corresponding refractive index, display unit 104 shows corresponding subgraph simultaneously.
Be different from prior art, in present embodiment, raw image data is divided at least two sub-image data by graphics processing unit, and transfer to display unit, control unit makes display unit respectively in display of different moment at least two sub-image data, control refractive index adjustment unit makes at least two shown subgraphs present different refractive indexes simultaneously, then export with different light path amounts, make the depth parallax produced between at least two subgraphs, allow user can direct feeling to picture depth.
Consult Fig. 4, Fig. 4 is the second execution mode that the present invention realizes the device of image vision Depth display.Present embodiments provide for a device 400, comprising: graphics processing unit 401, control unit 402, refractive index adjustment unit 403 and display unit 404; Wherein refractive index adjustment unit 403 comprises electroluminescent refractive index adjuster 4031 and variable voltage device 4032 further.
In present embodiment, graphics processing unit 401 is for being divided into the first sub-image data and the second sub-image data by the raw image data of image to be displayed, and wherein, the first subgraph and the second subgraph correspond respectively to the zones of different of image to be displayed.Further, the first subgraph is the foreground image in image to be displayed, and the second subgraph is the background image in image to be displayed; Or the first subgraph is the theactivewindow image of image to be displayed, the second subgraph is the un-activation video in window of image to be displayed.
In present embodiment, original digital image data comprises colouring information, positional information and speciality information, and wherein speciality information is expressed as some characteristic of presented image, and such as, the image that pixel forms is background image or foreground image etc.To the division of raw image data then according to these characteristics of pixel, using have background image speciality information as the first view data, using have foreground image speciality information as the second view data.Wherein, same pixel can comprise two speciality information simultaneously, can be a point in background image or a point in foreground image simultaneously, now be copied by this pixel, simultaneously as the member in two sub-image data.
In another execution mode, original digital image data can also comprise function information, and wherein function information represents presented image function in systems in which, such as, the image that some pixel forms can carry out alternately with user, or this image is the result window etc. after some operation.Now, to the partitioning standards of raw image data then based on these function information data.For raw image data, be not limited to above description, can set according to concrete environment for use.And the sub-image data divided also is not limited only to two, also can be multiple.
Concrete image divides and refers to Fig. 5, and Fig. 5 is the schematic diagram that image to be displayed is divided into the first subgraph and the second subgraph, and in Fig. 5, image to be displayed 500 is divided into the first subgraph 501 and the second subgraph 502.First subgraph 501 can be the foreground image in image to be displayed 500, and the second subgraph 502 can be the background image in image to be displayed 500; Or the first subgraph 501 is theactivewindow images of image to be displayed 500, the second subgraph 502 is un-activation video in windows of image to be displayed 500.In image to be displayed 500, status bar and the left window are theactivewindow, and right side window is un-activation window, and fresh flower belongs to background image, then status bar and the left window are divided into the first subgraph 501, right side window and fresh flower are divided into the second subgraph 502.
For the realization that view data divides, be similar to the use Brook language compilation program in the first execution mode.In the present embodiment, the effect of control unit 402 is similar to the effect of control unit in the first execution mode, and therefore not to repeat here.
But need it is to be noted that in present embodiment, refractive index adjustment unit 403 comprises electroluminescent refractive index adjuster 4031 and variable voltage device 4032.Wherein electroluminescent refractive index adjuster 4031 covers on display unit 404, and the light that display unit 404 is launched is by refraction or normal transmission occurring during electroluminescent refractive index adjuster 4031.Electroluminescent refractive index adjuster 4031 can realize different refractive indexes according to the difference of the voltage be carried in wherein, variable voltage device 4032 can provide different voltage for electroluminescent refractive index adjuster 4031, and can determine that electroluminescent refractive index adjuster 4031 has the refractive index of certain fixed numbers under certain voltage, and then realize obtaining different light path amounts.
In present embodiment, control unit 402 connects variable voltage device 4032, in the first moment, control unit 402 is while control graphics processing unit 401 sends the first sub-image data, control variable voltage device 4032 and export the first voltage, the first voltage is applied directly on electroluminescent refractive index adjuster 4031, makes the light through electroluminescent refractive index adjuster 4031 have first refractive rate, now, the first subgraph that display unit 404 shows also has the first light path amount.In the second moment, through same process, also can there is the second light path amount in the second subgraph.Occur different light path amounts at two time chart pictures, namely the image light path that a bit passes to the in addition time of any from certain is different, and two image distances that human eye is seen oneself have far and near difference, namely produce certain space or depth perception between two images.
In other execution modes, refractive index adjustment unit 403 also can use temperature control refractive index adjuster, and it according to the change of temperature, the change of refractive index can occur, then make the light path amount of light change; Then refractive index adjuster can not need to cover on display unit 404, otherwise connects display unit 404, realizes the change that light path amount occurs display image after refractive index adjuster.Refractive index adjustment unit 403 also can select the combination of multiple wave plate, regulate the quantity of wave plate or between distance can realize the change of refractive index.Therefore, composition and the structure of refractive index adjustment unit 403 do not limit, and only need it can realize the adjustable or controlled of refractive index.
In present embodiment, control unit 402 can control at least twice that the refreshing frequency of display unit to the first subgraph and the second subgraph is the refreshing frequency of image to be displayed further, and control unit 402 controls adjusting frequency as at least twice of the refreshing frequency of image to be displayed of refractive index adjustment unit 403.
There is the persistence of vision in human eye, namely after human eye sees image, within one of short duration period, visual image can't disappear immediately, and the time of persisting is commonly considered as 0.05s ~ 2s, and for the display of video, general employing 24 frame is per second, and human eye can be made under such speed to see continuous print picture; And for display unit, need higher than 24 refresh rates per second when playing, the broadcasting to continuous pictures could be realized.In the present embodiment, suppose the refreshing frequency of image to be displayed 104 be 24 times per second, then for the refreshing frequency of the first subgraph and the second subgraph be 48 times per second, and control unit control refractive index adjustment unit 403 adjust frequency also be 48 times per second.Namely differ 1/48s between the first moment with the second moment, in this situation, there is the persistence of vision, namely human eye can see first subgraph and the second subgraph with space or depth perception on display unit 404 simultaneously.Certainly in other embodiments, if mark off three subgraphs, then the refreshing frequency of subgraph and refractive index adjustment unit 403 at least three times that adjust frequency as image to be displayed refreshing frequency.
For the detailed process of image display in this second execution mode, refer to Fig. 6, Fig. 6 is the workflow schematic diagram that the present invention realizes the second execution mode of the device of image vision Depth display, and its key step comprises,
Step 601: the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data by graphics processing unit 401;
Step 602: in the first moment, control unit 402 controls variable voltage device 4032 and exports the first voltage and be applied on electroluminescent refractive index adjuster 4031, controls graphics processing unit 401 simultaneously and sends the first sub-image data to display unit 404;
Step 603: display unit 404 shows the first subgraph according to the first sub-image data received;
Step 604: in the second moment, control unit 402 controls variable voltage device 4032 and exports the second voltage and be applied on electroluminescent refractive index adjuster 4031, controls graphics processing unit 401 simultaneously and sends the second sub-image data to display unit 404;
Step 605: display unit 404 shows the second subgraph according to the second sub-image data received;
Step 601 is got back to after completing.
Be different from prior art, in this second execution mode, raw image data is divided at least two sub-image data by graphics processing unit, and transfer to display unit, control unit makes display unit respectively in display of different moment at least two sub-image data, control variable voltage device simultaneously and export different voltage on electroluminescent refractive index adjuster, at least two shown subgraphs are made to present different refractive indexes, then export with different light path amounts, make to produce real depth parallax between at least two subgraphs, allow user can direct feeling to picture depth.Further, in present embodiment, also set refreshing frequency, ensure the persistence of vision, make user can see all sub-image data simultaneously, namely can present the image with the degree of depth user in the eyes.
Refer to Fig. 7, Fig. 7 is the schematic flow sheet that the present invention realizes the 3rd execution mode of the method for image vision Depth display, and this 3rd execution mode comprises step:
Step 701: the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data;
For step 701, the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data and makes the first subgraph and the second subgraph correspond to the zones of different of image to be displayed;
Wherein, the raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data and makes the first subgraph correspond to the foreground image of image to be displayed, the second subgraph corresponds to the background image of image to be displayed;
Or the raw image data of image to be displayed being divided into the first sub-image data and the second sub-image data makes the first subgraph correspond to the theactivewindow image of image to be displayed, the second subgraph corresponds to the un-activation video in window of image to be displayed.
Therefore, the first sub-image data in step 701 and the second sub-image data can correspond respectively to the zones of different of image to be displayed; First sub-image data and the second sub-image data also can be respectively foreground image data and background image data simultaneously; Or first sub-image data and the second sub-image data also can be respectively and activate view data and un-activation view data.In other execution modes, also can show according to demand, corresponding division is done to raw image data.
Step 702: control display unit and show the first subgraph in the first moment according to the first sub-image data, and show the second subgraph in the second moment according to the second sub-image data;
For step 702, control at least twice that the refreshing frequency of display unit to the first subgraph and the second subgraph is the refreshing frequency of image to be displayed, what control refractive index adjustment unit adjusts frequency as at least twice of the refreshing frequency of image to be displayed;
Wherein, first moment and the second moment are respectively front and back two moment, and the first moment and the second moment are two moment under the certain refreshing frequency of subgraph, and this refreshing frequency is at least twice of image to be displayed refreshing frequency, and when marking off three subgraphs, this refreshing frequency is then at least three times of image to be displayed refreshing frequency.
Step 703: control the refractive index adjustment unit be arranged at above display unit and present first refractive rate when display unit shows the first subgraph, export with the first light path amount to make the first subgraph, and control refractive index adjustment unit and present the second refractive index when display unit shows the second subgraph, export with the second light path amount to make the second subgraph, wherein the first light path amount is different from the second light path amount, and then makes to produce certain space or depth perception between the first subgraph and the second subgraph;
Wherein, the light path amount of shown image is controlled or adjustable, can control refractive index adjustment unit, makes display image have different light path amount.
Step in this 3rd execution mode is all corresponding to the function of all parts in the first execution mode, and the various possibility situations therefore described in the first execution mode also be applicable to this 3rd execution mode.
Be different from prior art, this the 3rd execution mode, raw image data is divided at least two sub-image data, and do not showing at least two sub-image data in the same time, control this two subgraph simultaneously and present different refractive indexes, then export with different light path amounts, make to produce real depth parallax between at least two subgraphs, allow user can direct feeling to picture depth, further, set at least two sub-image data in second execution mode to show with certain refreshing frequency, ensure the persistence of vision, that user can see all sub-image data simultaneously, namely the image with the degree of depth can be presented in the eyes user.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. realize a device for image vision Depth display based on refractive index adjustment, described device comprises display unit, it is characterized in that, described device comprises further:
Graphics processing unit, for being divided into the first sub-image data and the second sub-image data by the raw image data of image to be displayed;
Control unit, be connected with described graphics processing unit and described display unit, show first subgraph in the first moment according to described first sub-image data for controlling described display unit, and show the second subgraph in the second moment according to described second sub-image data;
Refractive index adjustment unit, is arranged at the top of described display unit;
Described control unit controls described refractive index adjustment unit further and presents first refractive rate when described first subgraph of described display unit display, export with the first light path amount to make described first subgraph, and control described refractive index adjustment unit and present the second refractive index when described second subgraph of described display unit display, export with the second light path amount to make described second subgraph, wherein said first light path amount is different from described second light path amount, and then makes to produce certain space or depth perception between described first subgraph and described second subgraph.
2. device according to claim 1, it is characterized in that, described control unit controls at least twice that the refreshing frequency of described display unit to described first subgraph and described second subgraph is the refreshing frequency of described image to be displayed, and described control unit controls adjusting frequency as at least twice of the refreshing frequency of described image to be displayed of described refractive index adjustment unit.
3. device according to claim 1, is characterized in that, described first subgraph and described second subgraph correspond respectively to the zones of different of described image to be displayed.
4. device according to claim 3, is characterized in that, described first subgraph is the foreground image in described image to be displayed, and described second subgraph is the background image in described image to be displayed.
5. device according to claim 3, is characterized in that, described first subgraph is the theactivewindow image of described image to be displayed, and described second subgraph is the un-activation video in window of described image to be displayed.
6. realize a method for image vision Depth display based on refractive index adjustment, it is characterized in that, described method comprises:
The raw image data of image to be displayed is divided into the first sub-image data and the second sub-image data;
Control display unit and show the first subgraph in the first moment according to described first sub-image data, and show the second subgraph in the second moment according to described second sub-image data;
Control the refractive index adjustment unit be arranged at above described display unit and present first refractive rate when described first subgraph of described display unit display, export with the first light path amount to make described first subgraph, and control described refractive index adjustment unit and present the second refractive index when described second subgraph of described display unit display, export with the second light path amount to make described second subgraph, wherein said first light path amount is different from described second light path amount, and then makes to produce certain space or depth perception between described first subgraph and described second subgraph.
7. method according to claim 6, it is characterized in that, described control display unit shows the first subgraph in the first moment according to described first sub-image data, and the step showing the second subgraph according to described second sub-image data in the second moment comprises:
Control at least twice that the refreshing frequency of described display unit to described first subgraph and described second subgraph is the refreshing frequency of described image to be displayed, control adjusting frequency as at least twice of the refreshing frequency of described image to be displayed of described refractive index adjustment unit.
8. method according to claim 6, is characterized in that, the step that the described raw image data by image to be displayed is divided into the first sub-image data and the second sub-image data comprises:
The raw image data of described image to be displayed is divided into described first sub-image data and described second sub-image data, makes the first subgraph and the second subgraph correspond to the zones of different of described image to be displayed.
9. method according to claim 8, is characterized in that, the step that the described raw image data by image to be displayed is divided into the first sub-image data and the second sub-image data comprises:
The raw image data of described image to be displayed is divided into described first sub-image data and described second sub-image data, make described first subgraph correspond to the foreground image of described image to be displayed, described second subgraph corresponds to the background image of described image to be displayed.
10. method according to claim 8, is characterized in that, the step that the described raw image data by image to be displayed is divided into the first sub-image data and the second sub-image data comprises:
The raw image data of image to be displayed is divided into described first sub-image data and described second sub-image data, make described first subgraph correspond to the theactivewindow image of described image to be displayed, described second subgraph corresponds to the un-activation video in window of described image to be displayed.
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