CN102446501A - Image dynamic adjusting device and image dynamic adjusting method - Google Patents
Image dynamic adjusting device and image dynamic adjusting method Download PDFInfo
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- CN102446501A CN102446501A CN2010105062275A CN201010506227A CN102446501A CN 102446501 A CN102446501 A CN 102446501A CN 2010105062275 A CN2010105062275 A CN 2010105062275A CN 201010506227 A CN201010506227 A CN 201010506227A CN 102446501 A CN102446501 A CN 102446501A
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Abstract
The invention relates to an image dynamic adjusting device and an image dynamic adjusting method. The image dynamic adjusting device comprises a retrieving unit, a best curve creating unit, a storage unit and an adjusting unit. The retrieving unit is used for retrieving a current picture displayed by a display device, and the storage unit is used for storing a reference curve. The best curve creating unit is used for selecting one of the reference curves as the best curve according to the current picture, and the adjusting unit is used for adjusting a set gamma value of the display device according to the best curve.
Description
Technical field
The invention relates to a kind of image adjusting device and image adjusting method, and particularly relevant for a kind of Image Dynamic adjusting gear and Image Dynamic method of adjustment.
Background technology
Along with making rapid progress of science and technology, various displays little by little are applied in the various electronic installations.Like computing machine, mobile phone and multimedia player.In order to pursue good display quality, picture signal often need carry out exporting display again to after the image adjustment to each pixel before exporting display to through processor.
Yet, each pixel is carried out the resource that the image adjustment will take too many processor through processor.Particularly the resource of processor is quite valuable in portable electric device, so traditional images method of adjustment and be not suitable for portable electric device.In addition, the traditional images method of adjustment will design to operating system or driver.In case operating system or driver upgrade then can't support the function of image adjustment again.And the traditional images method of adjustment also must design to the pictures different player.For instance, a kind of image adjusting method must be provided, another kind of pictures different method of adjustment then must be provided to the dynamic image player to the still image player.
Summary of the invention
The invention relates to a kind of Image Dynamic adjusting gear and Image Dynamic method of adjustment, Image Dynamic adjusting gear and Image Dynamic method of adjustment are dynamically adjusted the gamma setting value of display to improve image quality according to the present picture that display showed.
According to the present invention, a kind of Image Dynamic method of adjustment is proposed.The Image Dynamic method of adjustment comprises the steps.At first, the acquisition present picture that display showed.Then, in several reference curves, select one of them as best curve according to present picture.Then, adjust the gamma setting value of display according to best curve.
According to the present invention, a kind of Image Dynamic adjusting gear is proposed.The Image Dynamic adjusting gear comprises acquisition unit, best curve generation unit, storage element and adjustment unit.The acquisition unit acquisition present picture that display showed, and the best curve generation unit selects one of them as best curve in several reference curves according to present picture.The storage unit stores reference curve, and adjustment unit is according to the gamma setting value of best curve adjustment display.
For there is better understanding above-mentioned and other aspect of the present invention, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows.
Description of drawings
Fig. 1 illustrates the process flow diagram into the Image Dynamic method of adjustment that accordings to first embodiment.
Fig. 2 illustrates the calcspar into the Image Dynamic adjusting gear of accordinging to first embodiment.
Fig. 3 illustrates the gray-scale distribution synoptic diagram into present picture.
Fig. 4 illustrates the synoptic diagram into best curve.
Fig. 5 illustrates the process flow diagram into the Image Dynamic method of adjustment that accordings to second embodiment.
Fig. 6 illustrates the calcspar into the Image Dynamic adjusting gear of accordinging to second embodiment.
It is the file content synoptic diagram of first kind of image player that Fig. 7 illustrates.
It is the file content synoptic diagram of second kind of image player that Fig. 8 illustrates.
[main element label declaration]
2,6: the Image Dynamic adjusting gear
11～14: step 21: acquisition unit
22: best curve generation unit 23: adjustment unit
24: storage element 25: the quantitative check unit
31: dim spot district 41: best curve
Embodiment
In order to improve display quality, following embodiment discloses several Image Dynamic adjusting gears and Image Dynamic method of adjustment.The Image Dynamic method of adjustment comprises the steps.At first, the acquisition present picture that display showed.Then, in several reference curves, select one of them as best curve according to present picture.Then, adjust the gamma setting value of display according to best curve.
The Image Dynamic adjusting gear comprises acquisition unit, best curve generation unit, storage element and adjustment unit.The acquisition unit acquisition present picture that display showed, and the best curve generation unit selects one of them as best curve in several reference curves according to present picture.The storage unit stores reference curve, and adjustment unit is according to the gamma setting value of best curve adjustment display.
First embodiment
Please be simultaneously with reference to Fig. 1 and Fig. 2, Fig. 1 illustrates the process flow diagram into the Image Dynamic method of adjustment that accordings to first embodiment, and Fig. 2 illustrates the calcspar into the Image Dynamic adjusting gear of accordinging to first embodiment.Image Dynamic adjusting gear 2 and Image Dynamic method of adjustment can be used in various electronic installations with display widely, like computing machine, mobile phone or multimedia player.Image Dynamic adjusting gear 2 comprises acquisition unit 21, best curve generation unit 22, adjustment unit 23 and storage element 24, and storage element 24 stores several reference curves.Acquisition unit 21, best curve generation unit 22 and adjustment unit 23 for example are to be realized by the processor executive software.Aforementioned Image Dynamic adjusting gear 2 can be in order to the carries out image dynamic adjusting method, and the Image Dynamic method of adjustment comprises that at least step 11 is to 13.At first shown in step 11, acquisition unit 21 captures the present pictures that display showed.What need explanation is that the mode of the acquisition unit 21 acquisition present pictures that display showed can have multiple enforcement aspect, does not limit to especially at this.For instance, and the Graphics Device Interface that acquisition unit 21 can be through Microsoft (Graphical DeviceInterface, GDI), DirectX or multimedia application interface (Media API) captures present picture.
The traditional images method of adjustment must obtain the information of image signal source (Video Source) can carry out follow-up adjustment, so the traditional images method of adjustment will design to operating system or driver.In case operating system or driver upgrade then can't support the function of image adjustment again, and then can't improve image quality.In addition, because the difference of image signal source, the traditional images method of adjustment must design to the pictures different player.For instance, a kind of image adjusting method must be provided, another kind of pictures different method of adjustment then must be provided to the dynamic image player to the still image player.
Be different from the traditional images method of adjustment, present embodiment is that the acquisition present picture that display showed is for follow-up image adjustment.Thus, no matter whether operating system or driver upgrade, do not influence the function that present embodiment is supported the image adjustment, and then improve image quality effectively.In addition, adjust for follow-up image, therefore can be directly applied for various image player, and not need not design to the pictures different player again because present embodiment is the acquisition present picture that display showed.
It after abovementioned steps 11 is finished execution in step 12.Shown in step 12, best curve generation unit 22 selects one of them as best curve in several reference curves according to present picture.Reference curve can (High Dynamic Range, HDR) change such as algorithm or histogram algorithm produces, and reference curve also can further be made into several look-up tables respectively to accelerate image processing speed by HDR.
Please refer again to Fig. 3 and Fig. 4 simultaneously, Fig. 3 illustrates the gray-scale distribution synoptic diagram into present picture, and Fig. 4 illustrates the synoptic diagram into best curve.What need explanation is that Fig. 3 and Fig. 4 illustrate and be merely example demonstration, are not in order to limit the decision process of GTG threshold value Gth.In fact the visual practical application of GTG threshold value Gth and be set at any number.
For instance, gray-scale distribution such as Fig. 3 of picture illustrate at present.GTG value 0 to 255 can further be divided into 8 five equilibriums.Three five equilibriums that the GTG value is minimum can be defined as dim spot district 31, therefore just can determine GTG threshold value Gth.Be that to equal 96 with GTG threshold value Gth be the example explanation in Fig. 3.At present the pixel gray level value in the picture is if then be defined as dim spot less than GTG threshold value Gth, and when statistics, fall into dim spot district 31 three five equilibriums one of them.Pixel quantity in the dim spot district 31 is the dim spot sum.The dim spot sum promptly is called the dim spot ratio with the ratio of total pixel number amount.Different dim spot ratios is to correspond to different reference curves.The best curve 41 that best curve generation unit 22 can select the corresponding reference curve to illustrate as Fig. 4 from several reference curves according to the dim spot ratio of present picture.
It after abovementioned steps 12 is finished execution in step 13.Shown in step 13, adjustment unit 23 is according to the gamma setting value of best curve adjustment display, and the gamma setting value of display for example is gamma ramp value (Gamma Ramp).What need explanation is that adjustment unit 23 can have multiple enforcement aspect according to the mode of the gamma setting value of best curve adjustment display, does not limit to especially at this.For instance; Adjustment unit 23 can be via Graphics Device Interface (the Graphical Device Interface of Microsoft; And then reach the effect of brightness, contrast or the color saturation of appropriateness adjustment picture GDI) or the gamma setting value of DirectX adjustment display.
The traditional images method of adjustment is to export display again to after by processor each pixel being handled adjustment, so considerably take the resource of processor.Be different from the traditional images method of adjustment, present embodiment is a gamma setting value of directly adjusting display, therefore reduces the computing work of processor significantly.What need special instruction is that in portable electric device, the resource of processor is quite valuable.Therefore and be not suitable for portable electric device because the traditional images method of adjustment quite wastes processor resource.On the contrary, present embodiment can not take too many processor resource, therefore quite is fit to be applied in the portable electric device.Moreover, even if the image quality in original image signal source is not good, the image adjustment through the foregoing description can let display present preferable image quality.
Second embodiment
Please be simultaneously with reference to Fig. 5 and Fig. 6, Fig. 5 illustrates the process flow diagram into the Image Dynamic method of adjustment that accordings to second embodiment, and Fig. 6 illustrates the calcspar into the Image Dynamic adjusting gear of accordinging to second embodiment.Image Dynamic adjusting gear 6 also comprises quantitative check unit 25 except comprising acquisition unit 21, best curve generation unit 22, adjustment unit 23 and storage element 24.And the Image Dynamic method of adjustment of second embodiment also comprises step 14 except comprising step 11 to 13.Step 14 is before step 11, to carry out.Shown in step 14, whether quantitative check unit 25 quantitative check image player are performed, and under the situation that image player is performed, just carry out abovementioned steps 11 to 13.And image player for example is still image player or dynamic image player.
Please be simultaneously with reference to Fig. 7 and Fig. 8, it is the file content synoptic diagram of first kind of image player that Fig. 7 illustrates, it is the file content synoptic diagram of second kind of image player that Fig. 8 illustrates.Aforementioned quantitative check unit 25 for example is the file description in the file content of check image player when the quantitative check image player.If file description occurs " Media Player " relevant wording, then (Application Programming Interface API) handles through the relevant application programming interfaces of Microsoft.Thus, can under the situation that image player is performed, just carry out abovementioned steps 11 to 13.
Though the above-mentioned enforcement aspect that has disclosed a kind of check image player, the mode of right check image player is not limited thereto.The mode of check image player can also be individual through the Hook technology or the execution of inspection application program of Microsoft.Moreover, through building table, searching the purpose that mode that registration table or window seek also can reach the check image player.
Though the present invention does explanation with above-mentioned a plurality of embodiment; Right needing only through the acquisition present picture that display showed in several reference curves, to select one of them as best curve; And according to the gamma setting value of best curve adjustment display, promptly within scope of the present invention.
Image Dynamic adjusting gear that the above embodiment of the present invention disclosed and Image Dynamic method of adjustment have multiple advantages, below just list and lift the explanation of part advantage as follows:
One, reduces the resource that takies processor.
Two, do not need in response to the renewal of operating system and driver designed image method of adjustment again.
Three, do not need to design the pictures different method of adjustment respectively in response to the pictures different player.
In sum, though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.Have common knowledge the knowledgeable in the technical field under the present invention, do not breaking away from the spirit and scope of the present invention, when doing various changes and retouching.Therefore, protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (22)
1. Image Dynamic method of adjustment comprises:
Capture the present picture that a display is shown;
In many reference curves, select one of them as a best curve according to this present picture; And
Gamma setting value according to this this display of best curve adjustment.
2. Image Dynamic method of adjustment according to claim 1 also comprises:
Quantitative check one image player;
Wherein, under the situation that this image player is performed, carry out to capture step, this selection step and this set-up procedure.
3. Image Dynamic method of adjustment according to claim 1, wherein this selection step is in these many reference curves, to select one of them as this best curve according to a dim spot ratio of this present picture.
4. Image Dynamic method of adjustment according to claim 1, wherein these many reference curves are made into a plurality of look-up tables respectively.
5. Image Dynamic method of adjustment according to claim 1, wherein these many reference curves are produced by the HDR algorithm.
6. Image Dynamic method of adjustment according to claim 1, wherein these many reference curves are produced by change algorithms such as histograms.
7. Image Dynamic method of adjustment according to claim 1, wherein this acquisition step is via this present picture of Graphics Device Interface acquisition.
8. Image Dynamic method of adjustment according to claim 1, wherein this acquisition step is via this present picture of DirectX acquisition.
9. Image Dynamic method of adjustment according to claim 1, wherein this acquisition step is via this present picture of multimedia application interface acquisition.
10. Image Dynamic method of adjustment according to claim 1, wherein this set-up procedure is via this gamma setting value of Graphics Device Interface adjustment.
11. Image Dynamic method of adjustment according to claim 1, wherein this set-up procedure is via this gamma setting value of DirectX adjustment.
12. an Image Dynamic adjusting gear comprises:
One acquisition unit is in order to capture the present picture that a display is shown;
One best curve generation unit is in order to select one of them as a best curve in many reference curves according to this present picture;
One storage element is in order to store these many reference curves; And
One adjustment unit is in order to the gamma setting value according to this this display of best curve adjustment.
13. Image Dynamic adjusting gear according to claim 12 also comprises:
One timing inspection unit is in order to quantitative check one image player;
Wherein, under the situation that this image player is performed, this this present picture of acquisition unit acquisition, this best curve generation unit is selected this best curve, this gamma setting value of this this display of adjustment unit adjustment.
14. Image Dynamic adjusting gear according to claim 12, wherein this selected cell selects one of them as this best curve in these many reference curves according to a dim spot ratio of this present picture.
15. Image Dynamic adjusting gear according to claim 12, wherein these many reference curves are made into a plurality of look-up tables respectively.
16. Image Dynamic adjusting gear according to claim 12, wherein these many reference curves are produced by the HDR algorithm.
17. Image Dynamic adjusting gear according to claim 12, wherein these many reference curves are produced by change algorithms such as histograms.
18. Image Dynamic adjusting gear according to claim 12, wherein this acquisition unit is via this present picture of Graphics Device Interface acquisition.
19. Image Dynamic adjusting gear according to claim 12, wherein this acquisition unit is via this present picture of DirectX acquisition.
20. Image Dynamic adjusting gear according to claim 12, wherein this acquisition unit is via this present picture of multimedia application interface acquisition.
21. Image Dynamic adjusting gear according to claim 12, wherein this adjustment unit is via this gamma setting value of Graphics Device Interface adjustment.
22. Image Dynamic adjusting gear according to claim 12, wherein this adjustment unit is via this gamma setting value of DirectX adjustment.
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| CN2010105062275A CN102446501A (en) | 2010-10-14 | 2010-10-14 | Image dynamic adjusting device and image dynamic adjusting method |
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| CN2010105062275A CN102446501A (en) | 2010-10-14 | 2010-10-14 | Image dynamic adjusting device and image dynamic adjusting method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284254A (en) * | 2014-10-22 | 2015-01-14 | 天津三星电子有限公司 | Display device and method for adjusting video playing parameters |
| CN105976760A (en) * | 2016-06-30 | 2016-09-28 | 维沃移动通信有限公司 | Brightness adjusting method for terminal screen and mobile terminal |
| CN109637470A (en) * | 2018-12-11 | 2019-04-16 | 惠科股份有限公司 | A kind of driving method and display panel of display panel |
| WO2019100184A1 (en) * | 2017-11-21 | 2019-05-31 | 成都晶砂科技有限公司 | Method and device for driving sub-pixel of active light-emitting display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101739973A (en) * | 2008-11-27 | 2010-06-16 | 比亚迪股份有限公司 | Display device and display method thereof |
-
2010
- 2010-10-14 CN CN2010105062275A patent/CN102446501A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101739973A (en) * | 2008-11-27 | 2010-06-16 | 比亚迪股份有限公司 | Display device and display method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104284254A (en) * | 2014-10-22 | 2015-01-14 | 天津三星电子有限公司 | Display device and method for adjusting video playing parameters |
| CN105976760A (en) * | 2016-06-30 | 2016-09-28 | 维沃移动通信有限公司 | Brightness adjusting method for terminal screen and mobile terminal |
| CN105976760B (en) * | 2016-06-30 | 2018-12-04 | 维沃移动通信有限公司 | A kind of brightness adjusting method and mobile terminal of terminal screen |
| WO2019100184A1 (en) * | 2017-11-21 | 2019-05-31 | 成都晶砂科技有限公司 | Method and device for driving sub-pixel of active light-emitting display device |
| CN109637470A (en) * | 2018-12-11 | 2019-04-16 | 惠科股份有限公司 | A kind of driving method and display panel of display panel |
| CN109637470B (en) * | 2018-12-11 | 2020-06-23 | 惠科股份有限公司 | Display panel driving method and display panel |
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Application publication date: 20120509 |