CN102892011A - Displaying method of stereoscopic images - Google Patents
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- CN102892011A CN102892011A CN 201110206146 CN201110206146A CN102892011A CN 102892011 A CN102892011 A CN 102892011A CN 201110206146 CN201110206146 CN 201110206146 CN 201110206146 A CN201110206146 A CN 201110206146A CN 102892011 A CN102892011 A CN 102892011A
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Abstract
The invention relates to a displaying method of stereoscopic images. The displaying method of the stereoscopic images comprises the steps of providing image data signals relevant to a left eye image and a right eye image; carrying out overdrive compensation operation on the image data signals; determining whether the polarity distribution of the current image frame and the previous image frame in the image data signals after overdrive compensation is the same according to polarity reverse signals; and when the polarity distribution of the current image frame and the previous image frame is the same, carrying out overdrive value reduction operation on the current image frame by utilizing the overdrive value reduction polling list, and then displaying so as to act as one corresponding part of one out of the left eye image and the right eye image. According to the invention, through the overdrive value reduction operation of continuous image frames with the same polarity distribution, the phenomenon that the brightness value is high caused by high charging rate for the continuous image frames with the same polarity distribution can be compensated, further the brightness difference of the left eye and the right eye can be improved effectively, and the stereoscopic image X-talk quality is increased.
Description
Technical field
The present invention relates to the image display technology, relate in particular to a kind of display packing of improving the stereopsis of right and left eyes luminance difference.
Background technology
With respect to conventional two-dimensional plane Display Technique, three-dimensional stereo display technique can provide more lively stereopsis, therefore becomes one of important directions of now Display Technique development.In simple terms, the operation principle of 3 D stereoscopic image is left eye and the right eye that left-eye images and right-eye image is sent to respectively the beholder, allows the received image synthetic 3 D stereoscopic image in beholder's brain of right and left eyes.Have at present multiple 3 D stereoscopic image formation method for example popular shutter stereo show optometric technology, this kind shutter stereo shows that the operation principle of optometric technology is to allow in turn switch sequentially of left eyeglass lens and right eye eyeglass, when left eyeglass lens is opened, can show simultaneously left-eye images on the screen, and when the right eye eyeglass is opened, can show simultaneously right-eye image on the screen.
Under the applied environment of 3 D stereoscopic image, namely carry out under the situation of a polarity inversion having for a long time image residue (image sticking) problem fixedly the time when picture being set as every a frame, be necessary to be set as every two frames and carry out a polarity inversion for solving this kind image residue problem, situation shown in Figure 1 for example, it shows for the image frame F1 that shows left-eye images, F3, F5, F7 reaches the image frame F2 that is used for showing right-eye image, F4, F6, the polarity of F8 distributes and the pixel current potential Vpixel of correspondence and the relative size relation of common electric potential Vcom.Yet carrying out every two frames under the situation of a polarity inversion, but derive right and left eyes brightness disproportionation problem although solved the image residue problem, mainly be because continue to keep the polarity of a upper image frame when some image frames, can cause charge rate higher (potential difference between the pixel current potential Vpixel among the image frame F2 that for example right-eye image is corresponding among Fig. 1 and the common electric potential Vcom greater than the pixel current potential Vpixel among image frame F1 corresponding to left-eye images and the potential difference between the common electric potential Vcom) and make the brightness of the image that certain eye (for example right eye among Fig. 1) see higher, this so that cause the X-talk quality of wherein a glance (for example right eye among Fig. 1) to descend.
Summary of the invention
One of purpose of the present invention provides a kind of 3 D image display method, with effective right and left eyes luminance difference phenomenon of improving under the 3 D stereoscopic image display mode.
Particularly, the display packing of a kind of stereopsis that the embodiment of the invention provides, it comprises step: the image data that is relevant to left-eye images and right-eye image signal is provided; To the image data signal compensating operation of overdriving; Judge according to polarity inversion signal whether identical the present image frame in the image data signal of overdriving after compensating distributes with the polarity of last image frame; And distribute when identical when present image frame and the polarity of last image frame, then utilize over-drive value to reduce question blank and present image frame is carried out over-drive value reduce to show again after the operation with as corresponding person one of in this left-eye images and this right-eye image.
The display packing of a kind of stereopsis that another embodiment of the present invention provides, it comprises step: to carry out mode Alternation Display left-eye images and the right-eye image of a polarity inversion every two frames; And when distributing when identical in rear shower and shower's polarity formerly in left-eye images and the right-eye image, then after being presented at, reduce operation to carrying out over-drive value at the corresponding image data signal of rear shower before the shower, so that be reduced to identical with shower's formerly brightness value at rear shower's brightness value.
The embodiment of the invention image frame that continues by identical polar is distributed carries out over-drive value and reduces operation, so can compensate the identical polar higher phenomenon of brightness value that image frame causes because charge rate is higher that continues that distributes, and then can effectively improve the luminance difference of right and left eyes, promote stereopsis X-talk quality.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 shows for the image frame F1 that shows left-eye images, F3, and F5, F7 reaches the image frame F2 that is used for showing right-eye image, F4, F6, the polarity distribution of F8 and corresponding pixel current potential Vpixel and the relative size of common electric potential Vcom concern.
Fig. 2 shows the processing procedure of the image data signal that is relevant to the embodiment of the invention.
Fig. 3 A and Fig. 3 B show respectively carry out that the GTG value measures and under not carrying out of the obtaining situation that over-drive value reduces to operate than the brightness value of shadow picture with brighter image.
Fig. 3 C shows the over-drive value that obtains according to the luminance difference value of Fig. 3 A and Fig. 3 B and reduces question blank.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of display packing, method, step, structure, feature and the effect of the stereopsis that foundation the present invention is proposed are described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic can clearly present in describing in detail with reference to graphic preferred embodiment in following the cooperation.By the explanation of embodiment, when can being to reach technological means and the effect that predetermined purpose takes to get one more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, the present invention is limited.
Please refer to Fig. 2, it shows the processing procedure of a kind of image data signal of the relevant embodiment of the invention.In the present embodiment, be applied to liquid crystal display with the display packing of stereopsis and describe as an example.As shown in Figure 2, the image data signal for example comprises red R 0, green G0 and blue B0 three look data signals, and it is used for Alternation Display left-eye images and right-eye image.For improving the response speed of liquid crystal molecule, utilize the over-drive value question blank to red R 0, green G0 and blue B0 three look data signals overdrive compensating operation and output overdrive the compensation after red R 1, green G1 and blue B1 three look data signals; At this, left-eye images and the right-eye image compensating operation of overdriving is to adopt same over-drive value question blank, and the over-drive value question blank can be with reference to the various over-drive value question blanks that proposed in the prior art, so repeat no more.
Then, judge according to polarity inversion signal POL whether red R 1, green G1 and the corresponding present image frame of blue B1 three look data signals have identical polarity with last image frame and distribute, and that is to say the no polarity inversion of carrying out that has.At this, polarity inversion signal POL can control every two image frames and carry out a polarity inversion.Need to prove that for the pixel information in each image frame, it can adopt capable polarity inversion, row polarity inversion, point-polarity counter-rotating etc. polarity inversion mode.
Hold above-mentioned, when judging that present image frame and last image frame have identical polarity distribution (for example the image frame F2 among Fig. 1 and F1 have identical polarity distribution), then utilize over-drive value to reduce question blank to red R 1, green G1 and blue B1 three look data signals carry out over-drive value and reduce operation and output red R2, green G2 and blue B2 three look data signals are to be used for showing right-eye image (or left-eye images), reduce the brightness value of the corresponding right-eye image of present image frame (or left-eye images) with this, thereby reach unanimity with the brightness value of the corresponding left-eye images of last image frame (or right-eye image).Otherwise, when judging that present image frame and last image frame have opposite polarity and distribute (for example the image frame F3 among Fig. 1 and F2 have opposite polarity distribution), then red R 1, green G1 and blue B1 three look data signals are not carried out over-drive value and reduce operation and directly utilize red R 1, green G1 and blue B1 three look data signals to show left-eye images (or right-eye image).
Below in conjunction with Fig. 3 A, the over-drive value that the embodiment of the invention that 3B and 3C describes in detail adopts reduces the acquisition methods of question blank, wherein Fig. 3 A and Fig. 3 B show respectively and carry out that the GTG value measures and dark and brighter brightness value under not carrying out of the obtaining situation that over-drive value reduces to operate, and Fig. 3 C shows the over-drive value that obtains according to the luminance difference value of Fig. 3 A and Fig. 3 B and reduces question blank.
Particularly, at first carry out the GTG value and measure, obtain that the numerical value on the diagonal is that over-drive value reduces front the brightness value of operation among Fig. 3 A and the 3B, and then can obtain the numerical value than shadow picture and brighter image; Under the condition of higher brightness, use full GTG software for display to reduce the GTG value until with identical than dark condition, this numerical value is the identical polar required output valve of image frame that continues that distributes; According to above-mentioned requirements of process (16,16), (32,32), (48,48), (64,64), (80,80), (96,96), (112,112), (128,128), (144,144), (160,160), (176,176), (192,192), (208,208), (224,224), (240,240), (255,255) numerical value of totally 16 points, also be the numerical value of 16 points on the diagonal; Point then calculates with interpolate value with the middle GTG of point.
Afterwards, reduce contents value in the question blank and calculate with in the display packing as the stereopsis of the embodiment of the invention according to identical polar can the be distributed required over-drive value of image frame that continue of above-mentioned flow process; The over-drive value that present embodiment obtains reduces question blank for example shown in Fig. 3 C, and it only illustrates the over-drive value decrease on the diagonal, and over-drive value decrease of GTGs then can adopt identical method to obtain in the middle of other, so no longer explanation.
Sketch it, the embodiment of the invention image frame that continues by identical polar is distributed carries out over-drive value and reduces operation, so can compensate the identical polar higher phenomenon of brightness value that image frame causes because charge rate is higher that continues that distributes, and then can effectively improve the luminance difference of right and left eyes, promote stereopsis X-talk quality.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (5)
1. the display packing of a stereopsis is characterized in that, comprises step:
An image data signal that is relevant to a left-eye images and a right-eye image is provided;
This image data signal is carried out overdriving compensating operation;
Judge according to a polarity inversion signal whether identical the present image frame in the image data signal of overdriving after compensating distributes with the polarity of last image frame; And
When present image frame and the polarity of last image frame distribute when identical, then utilize an over-drive value to reduce question blank and present image frame is carried out an over-drive value reduce to show again after the operation with as corresponding person one of in this left-eye images and this right-eye image.
2. the display packing of stereopsis according to claim 1 is characterized in that, more comprises step:
When present image frame and the polarity of last image frame distribute when opposite, then directly should present image frame show with as the another one in this left-eye images and this right-eye image.
3. the display packing of a stereopsis is characterized in that, comprises step:
To carry out mode Alternation Display one left-eye images and a right-eye image of a polarity inversion every two frames; And
When distributing when identical in rear shower and shower's polarity formerly in this left-eye images and this right-eye image, then showing that should carry out an over-drive value to this at the corresponding image data signal of rear shower before rear shower reduces operation, formerly shower's brightness value was identical with this so that should be reduced at brightness value of rear shower.
4. the display packing of stereopsis according to claim 3 is characterized in that, more comprises step:
When distributing when opposite in rear shower and shower's polarity formerly in this left-eye images and this right-eye image, then showing that should not carry out this over-drive value to this at the corresponding image data signal of rear shower before rear shower reduces operation.
5. the display packing of stereopsis according to claim 3 is characterized in that, more comprises step:
Before this left-eye images and this right-eye image show, to this left-eye images and this right-eye image respectively corresponding image data signal all carry out overdriving compensating operation.
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| CN 201110206146 CN102892011A (en) | 2011-07-22 | 2011-07-22 | Displaying method of stereoscopic images |
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| CN 201110206146 CN102892011A (en) | 2011-07-22 | 2011-07-22 | Displaying method of stereoscopic images |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731655A (en) * | 2013-12-30 | 2014-04-16 | 深圳市华星光电技术有限公司 | Gray level driving method of shutter-type 3D glasses |
| CN104183209A (en) * | 2014-09-02 | 2014-12-03 | 深圳市华星光电技术有限公司 | Overdriving method and circuit and display devices |
| WO2015100756A1 (en) * | 2013-12-31 | 2015-07-09 | 深圳市华星光电技术有限公司 | Method for avoiding uneven brightness of stereoscopic display apparatus |
| CN114390271A (en) * | 2020-10-19 | 2022-04-22 | 苏州佳世达光电有限公司 | System and method for distinguishing sequence of continuous images |
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2011
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731655A (en) * | 2013-12-30 | 2014-04-16 | 深圳市华星光电技术有限公司 | Gray level driving method of shutter-type 3D glasses |
| WO2015100756A1 (en) * | 2013-12-31 | 2015-07-09 | 深圳市华星光电技术有限公司 | Method for avoiding uneven brightness of stereoscopic display apparatus |
| CN104183209A (en) * | 2014-09-02 | 2014-12-03 | 深圳市华星光电技术有限公司 | Overdriving method and circuit and display devices |
| CN114390271A (en) * | 2020-10-19 | 2022-04-22 | 苏州佳世达光电有限公司 | System and method for distinguishing sequence of continuous images |
| CN114390271B (en) * | 2020-10-19 | 2023-08-18 | 苏州佳世达光电有限公司 | System and method for distinguishing continuous image sequence |
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