CN103209336A - Correction device and correction method for stereo image display system - Google Patents
Correction device and correction method for stereo image display system Download PDFInfo
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- CN103209336A CN103209336A CN2012103569814A CN201210356981A CN103209336A CN 103209336 A CN103209336 A CN 103209336A CN 2012103569814 A CN2012103569814 A CN 2012103569814A CN 201210356981 A CN201210356981 A CN 201210356981A CN 103209336 A CN103209336 A CN 103209336A
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Abstract
A correction device and a correction method for a stereoscopic image display system are provided. The correction device is applied to a stereo image display system and comprises: the device comprises a receiving module, a processing module, a judging module and an exchanging module. The receiving module receives the first and second perspective images, and the processing module generates a horizontal disparity map, wherein the disparity map comprises a plurality of perspective offsets corresponding to a plurality of pixels of the first perspective image, and further counts the perspective offsets of the disparity map to generate a statistical map. The histogram has positive offset statistics greater than the fiducial point and negative offset statistics less than the fiducial point relative to the fiducial point. The judging module judges whether the peak value of the statistical chart is larger than the reference point and whether the positive offset statistics is larger than the negative offset statistics. The switching module switches the first and second perspective images when the peak value is smaller than the reference point and the positive offset statistics are smaller than the negative offset statistics.
Description
Technical field
This disclosure relates to a kind of stereo-picture Display Technique, and is particularly related to a kind of means for correcting and bearing calibration thereof of stereo image display system.
Background technology
Stereo display technique can be realized the imagination of human powerful and unconstrained style, to reach the effect of being personally on the scene.Human eyes are when observing three-dimensional body, because two horizontally separated on two different positions, therefore viewed subject image is different.The aberration that exists between right and left eyes, the brain by the mankind can the perception three-dimensional world three-dimensional variation of the degree of depth, Here it is so-called principle of stereoscopic vision.Therefore, the operation principle of stereo display technique mainly is to utilize display also or alternately to send the right and left eyes picture simultaneously, allows right and left eyes see the right and left eyes picture respectively, to form stereoscopic vision.
Yet, when the demonstration data of right and left eyes have mistake, when producing the situation that swaps left and right, will make the beholder can't be by the left and right sides image reconstruction stereo-picture that is misplaced.If the detection that neither one is perfect and correction mechanism when left and right sides image is put upside down it is corrected back to correct data, then can cause great inconvenience to the user.
Whether therefore, how to design means for correcting and the bearing calibration thereof of a new stereo image display system, put upside down and proofreaied and correct in good time to detect left and right sides image, be an industry problem demanding prompt solution for this reason.
Summary of the invention
Therefore, an aspect of this disclosure is that a kind of means for correcting is being provided, and is applied in stereo-picture (stereoscopic) display system, and means for correcting comprises: receiver module, processing module, judge module and Switching Module.Receiver module is in order to receive the first visual angle image and the second visual angle image.Processing module is in order to the disparity map (disparity map) according to the first visual angle image and the second visual angle image generation horizontal direction, wherein disparity map comprises a plurality of visual angles side-play amount corresponding to a plurality of pixels of the first visual angle image, and further the visual angle side-play amount of statistical parallax figure produces statistical chart (histogram), and wherein statistical chart relative datum point has greater than the positive side-play amount statistical number of datum mark and less than the negative side-play amount statistical number of datum mark.The peak value of judge module by judging statistical chart whether greater than datum mark and just the side-play amount statistical number whether greater than negative side-play amount statistical number.Switching Module is used to peak value less than datum mark, and positive side-play amount statistical number makes the first visual angle image and the second visual angle image exchange during less than negative side-play amount statistical number.
According to this disclosure one embodiment, wherein datum mark is the mean value of visual angle side-play amount.
According to another embodiment of this disclosure, the value when wherein datum mark is zero for the visual angle side-play amount.
An aspect of this disclosure is that a kind of bearing calibration is being provided, and is applied to the means for correcting in the stereo image display system, and bearing calibration comprises: receive the first visual angle image and the second visual angle image; According to the disparity map of the first visual angle image and the second visual angle image generation horizontal direction, wherein disparity map comprises a plurality of visual angles side-play amount corresponding to a plurality of pixels of the first visual angle image; The visual angle side-play amount of statistical parallax figure, to produce statistical chart (histogram), wherein statistical chart relative datum point has greater than the positive side-play amount statistical number of datum mark and less than the negative side-play amount statistical number of datum mark; Peak value by judging statistical chart whether greater than datum mark and positive side-play amount statistical number whether greater than negative side-play amount statistical number; And when peak value less than datum mark, and positive side-play amount statistical number makes the first visual angle image and the second visual angle image exchange during less than negative side-play amount statistical number.
According to this disclosure one embodiment, wherein datum mark is the mean value of visual angle side-play amount.
According to another embodiment of this disclosure, the value when wherein datum mark is zero for the visual angle side-play amount.
According to the another embodiment of this disclosure, wherein when peak value greater than datum mark, or positive side-play amount statistical number does not exchange the first visual angle image and the second visual angle image during greater than negative side-play amount statistical number.
Description of drawings
For the above-mentioned of this disclosure and other purposes, feature, advantage and embodiment can be become apparent, the description of the drawings is as follows:
Fig. 1 is among this disclosure one embodiment, a kind of calcspar of means for correcting;
Fig. 2 A and Fig. 2 B are the statistical chart among two embodiment of this disclosure;
Fig. 3 is among this disclosure one embodiment, a kind of flow chart of bearing calibration.
[main element symbol description]
1: means for correcting 10: receiver module
11: the first visual angle images 12: processing module
13: the second visual angle images 14: judge module
15: parallax Figure 16: Switching Module
17: statistical chart 2: display unit
300: bearing calibration 301-307: step
Embodiment
Please refer to Fig. 1.Fig. 1 is among this disclosure one embodiment, a kind of calcspar of means for correcting 1.Means for correcting 1 can be applicable in stereo-picture (stereoscopic) display system.Means for correcting 1 comprises: receiver module 10, processing module 12, judge module 14 and Switching Module 16.
Yet, when the demonstration data of right and left eyes have mistake, when producing the situation that swaps left and right, will make the beholder can't be by the left and right sides image reconstruction stereo-picture that is misplaced.Therefore, means for correcting 1 of the present invention can provide the mechanism that the first visual angle image 11 and the second visual angle image 13 are detected and proofread and correct.
The visual angle side-play amount of processing module 12 further statistical parallax Figure 15 produces statistical chart (histogram) 17.What statistics Figure 17 recorded is in the first visual angle image 11 and the second visual angle image 13, and it is individual how many each visual angle side-play amount institute corresponding pixel points has.
Please refer to Fig. 2 A.Fig. 2 A is the statistical chart among this disclosure one embodiment.Statistical chart has a peak value, and a relative datum mark has the positive side-play amount statistical number greater than this datum mark, and less than the negative side-play amount statistical number of this datum mark.Datum mark can be set a suitable value on demand.For instance, datum mark can be made as the mean value of side-play amount statistical number.Have the side-play amount person greater than this datum mark, namely be considered as positive side-play amount statistical number, and have the side-play amount person less than this datum mark, namely be considered as negative side-play amount statistical number.
Be example with Fig. 2 A, its peak value is greater than the datum mark that is mean value, and its positive side-play amount statistical number is greater than negative side-play amount statistical number.Therefore, Switching Module 16 will can not exchange the first visual angle image 11 and the second visual angle image 13.Please refer to Fig. 2 B.Fig. 2 B is the statistical chart among another embodiment of this disclosure.In this embodiment, be that value when serving as zero with the visual angle side-play amount is as datum mark.And the peak value among Fig. 2 B is less than the datum mark that is zero, and its positive side-play amount statistical number is less than negative side-play amount statistical number.Therefore, under the situation of Fig. 2 B, Switching Module 16 will exchange the first visual angle image 11 and the second visual angle image 13.
After the processing through judge module 14 judgements and Switching Module 16, the first visual angle image 11 and the second visual angle image 13 will further export display unit 2 to and show.Therefore, the beholder can successfully watch correct visual angle image, successfully to set up stereo-picture.
Please refer to Fig. 3.Fig. 3 is among this disclosure one embodiment, a kind of flow chart of bearing calibration 300.Bearing calibration 300 can be applicable to means for correcting 1 as shown in Figure 1.Bearing calibration 300 comprise the following step (should be appreciated that mentioned step in the present embodiment except chatting bright its order person especially, all can be adjusted order before and after it according to actual needs, in addition can be simultaneously or part carry out simultaneously).
In step 301, receive the first visual angle image 11 and the second visual angle image 13 by receiver module 10.
In step 302, processing module 12 is according to parallax Figure 15 of the first visual angle image 11 and the second visual angle image, 13 generation horizontal directions, and wherein parallax Figure 15 comprises a plurality of visual angles side-play amount corresponding to a plurality of pixels of the first visual angle image.
In step 303, the visual angle side-play amount of processing module 12 further statistical parallax Figure 15 to produce statistics Figure 17, is wherein added up Figure 17 relative datum point and is had greater than the positive side-play amount statistical number of datum mark and less than the negative side-play amount statistical number of datum mark
In step 304, judge module 14 judges that whether the peak value of statistical chart is greater than datum mark.
When the peak value of statistical chart during greater than datum mark, in step 305, Switching Module 16 will not exchange the first visual angle image 11 and the second visual angle image 13.
And when the peak value of statistical chart during less than datum mark, in step 306, judge module 14 further judges that whether the positive side-play amount statistical number of statistical chart is greater than negative side-play amount statistical number.
When the positive side-play amount statistical number of statistical chart when peak value is less than datum mark greater than negative side-play amount statistical number, the flow process of bearing calibration 300 also will carry out step 305, the first visual angle image 11 and the second visual angle image 13 not exchanged.
And when positive side-play amount statistical number during less than negative side-play amount statistical number, then in step 307, Switching Module 16 will make the first visual angle image 11 and the second visual angle image 13 exchange.
Though this disclosure with execution mode openly as above; so it is not in order to limit this disclosure; those skilled in the art are in the spirit and scope that do not break away from this disclosure; when can being used for a variety of modifications and variations, so the protection range of this disclosure is as the criterion when looking the appended claims person of defining.
Claims (7)
1. a means for correcting is applied in a stereo-picture (stereoscopic) display system, and this means for correcting comprises:
One receiver module is in order to receive one first visual angle image and one second visual angle image;
One processing module, in order to produce a disparity map (disparity map) of a horizontal direction according to this first visual angle image and this second visual angle image, wherein this disparity map comprises a plurality of visual angles side-play amount corresponding to a plurality of pixels of this first visual angle image, and this visual angle side-play amount of further adding up this disparity map produces a statistical chart (histogram), and wherein the relative datum mark of this statistical chart has greater than a positive side-play amount statistical number of this datum mark and less than a negative side-play amount statistical number of this datum mark;
One judge module, the peak value by judging this statistical chart whether greater than this datum mark and this positive side-play amount statistical number whether greater than this negative side-play amount statistical number; And
One Switching Module is used to this peak value less than this datum mark, and this positive side-play amount statistical number makes this first visual angle image and this second visual angle image exchange during less than this negative side-play amount statistical number.
2. means for correcting as claimed in claim 1, wherein this datum mark can be a mean value of described visual angle side-play amount.
3. means for correcting as claimed in claim 1, the value when wherein this datum mark can be described visual angle side-play amount and is zero.
4. bearing calibration is applied to the means for correcting in the stereo image display system, and this bearing calibration comprises:
Receive one first visual angle image and one second visual angle image;
Produce a disparity map of a horizontal direction according to this first visual angle image and this second visual angle image, wherein this disparity map comprises a plurality of visual angles side-play amount corresponding to a plurality of pixels of this first visual angle image;
Add up this visual angle side-play amount of this disparity map, to produce a statistical chart (histogram), wherein the relative datum mark of this statistical chart has greater than a positive side-play amount statistical number of this datum mark and less than a negative side-play amount statistical number of this datum mark;
Peak value by judging this statistical chart whether greater than this datum mark and this positive side-play amount statistical number whether greater than this negative side-play amount statistical number; And
When this peak value less than this datum mark, and this positive side-play amount statistical number makes this first visual angle image and this second visual angle image exchange during less than this negative side-play amount statistical number.
5. bearing calibration as claimed in claim 4, wherein this datum mark can be a mean value of described visual angle side-play amount.
6. bearing calibration as claimed in claim 4, the value when wherein this datum mark can be described visual angle side-play amount and is zero.
7. bearing calibration as claimed in claim 4, wherein when this peak value greater than this datum mark, or this positive side-play amount statistical number does not exchange this first visual angle image and this second visual angle image during greater than this negative side-play amount statistical number.
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| Application Number | Priority Date | Filing Date | Title |
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| TW101101117A TWI514849B (en) | 2012-01-11 | 2012-01-11 | Calibration device used in stereoscopic display system and calibration method of the same |
| TW101101117 | 2012-01-11 |
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| CN103209336A true CN103209336A (en) | 2013-07-17 |
| CN103209336B CN103209336B (en) | 2015-04-29 |
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| Publication number | Publication date |
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| CN103209336B (en) | 2015-04-29 |
| TW201330593A (en) | 2013-07-16 |
| TWI514849B (en) | 2015-12-21 |
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