CN104978930A - Processing method for lamp points with abnormal luminance after correction of LED display device - Google Patents
Processing method for lamp points with abnormal luminance after correction of LED display device Download PDFInfo
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Abstract
The invention relates to a processing method for lamp points with abnormal luminance after correction of an LED display device, applied to the target LED display device comprising a plurality of LED lamp points. The processing method comprises the following steps: (a) obtaining correction coefficients of the plurality of LED lamp points of the target LED display device; (b) searching for the LED lamp points with the correction coefficients within the set coefficient interval among the plurality of LED lamp points as the lamp points with abnormal luminance; (c) adjusting the correction coefficients of the lamp points with abnormal luminance to the target correction coefficients; and (d) storing the adjusted correction coefficients of the lamp points with abnormal luminance to target positions. According to the processing method, the lamp points with abnormal luminance caused by the fact that dust exists in an imaging device can be processed after correction, and re-correction after cleaning of the device is not needed, the manual operation of searching for the positions of the lamp points with abnormal luminance is not needed, so that the processing steps are simplified, and in addition, all the lamp points with abnormal luminance can be processed at one time, so that the processing speed is accelerated.
Description
Technical field
The present invention relates to display technique field, particularly a kind of LED display corrects rear brightness abnormal lamp point disposal route.
Background technology
Along with the fast development of Small Distance LED display, now for closely spaced LED display, in order to reach good overall homogeneity, all can correct before dispatching from the factory, just then arrive terminal user.
But, following situation is there will be: the various imaging device (digital cameras of use in trimming process, industrial camera) photo-sensitive cell can amass lower dust in long use procedure, screen sports school timing LED point existing dust but there is the LED point of dust after cleaning LED display after correcting can be partially bright, timing LED point does not work or brightness is too low but LED point that is this position after changing LED point after correction can be partially bright, like this when correcting acquisition of image data, the brightness of some LED point will be subject to the impact of above several situation, cause the brightness of the brightness ratio actual lamp point collected low, the correction coefficient value that one larger can be given during final calculating LED point calibration coefficient, so when enabling correction, the brightness of this other LED point of LED point actual specific is high, the homogeneity of whole LED display is finally caused to be had a greatly reduced quality.
For above problem, prior art one allows professional people carry out cleaning dust to imaging device for buying imaging device cleaning equipment (kit), or professional imaging device being sent to special cleaning cleans.But this kind of technical scheme needs to know that whether imaging device is clean before correction, if find after having corrected that bright spot problem goes to clean imaging device again, then needs again to correct, causes repeated work; Prior art two is that the artificial eyes that use go for the position of bright spot in LED display, more manually goes the correction coefficient regulating this LED point, but utilizes human eye to look for the location comparison difficulty of all bright spots, and consuming time longer.
Summary of the invention
Therefore, for overcoming defect and the deficiency of prior art existence, the invention provides a kind of LED display and correcting rear brightness abnormal lamp point disposal route.
Particularly, after a kind of LED display that the embodiment of the present invention provides corrects, brightness abnormal lamp point disposal route, is applied to the target LED display comprising multiple LED point.After described LED display corrects, brightness abnormal lamp point disposal route comprises step: (a) obtains the correction coefficient of described multiple LED points of described target LED display; B () finds out correction coefficient in described multiple LED point and is positioned at the LED point in the coefficient interval of setting as the abnormal lamp point of brightness; C () adjusts the correction coefficient of the abnormal lamp point of described brightness to target correction coefficient; And (d) preserves the adjustment post-equalization coefficient of the abnormal lamp point of described brightness to target location.
In one embodiment of the invention, above-mentioned steps (a) comprising: read correction coefficient storage file to obtain the correction coefficient of described multiple LED points of described target LED display, or from the correction coefficient memory module the control system of described target LED display, obtain the correction coefficient of described multiple LED points of described target LED display.
In one embodiment of the invention, the described coefficient interval in above-mentioned steps (b) is that the mean value of correction coefficient by calculating described multiple LED point floats or lowers a setting percentage threshold and obtain on the basis of described mean value.
In another embodiment of the present invention, the described coefficient interval in above-mentioned steps (b) manually inputs an empirical value by user and obtains.
In one embodiment of the invention, the described target correction coefficient in above-mentioned steps (c) is the mean value of correction coefficient by calculating the residue LED point in described multiple LED point except the abnormal lamp point of described brightness and obtains.
In one embodiment of the invention, the described target correction coefficient in above-mentioned steps (c) manually inputs an empirical value by user and obtains.
In one embodiment of the invention, the described target location in above-mentioned steps (d) is the correction coefficient memory module in the control system of correction coefficient storage file or described target LED display.
In addition, after a kind of LED display that the embodiment of the present invention provides corrects, brightness abnormal lamp point disposal route, is applied to the target LED display comprising multiple LED point.After described LED display corrects, brightness abnormal lamp point disposal route comprises step: (i) obtains the correction coefficient of described multiple LED points of described target LED display; (ii) find out correction coefficient in described multiple LED point and be positioned at the LED point in the coefficient interval of setting as the abnormal lamp point of original intensity; (iii) control to light described target LED display and be not the LED point of brightness exception based on the human eye vision reality rejected in the abnormal lamp point of described original intensity and obtain the abnormal lamp point of residue brightness; (iv) correction coefficient of the abnormal lamp point of described residue brightness is adjusted to target correction coefficient; And (v) preserves the adjustment post-equalization coefficient of the abnormal lamp point of described residue brightness to target location.
In one embodiment of the invention, the coefficient interval of the described setting in above-mentioned steps (ii) is that the mean value of the correction coefficient by calculating described multiple LED point floats or lowers a setting percentage threshold and obtain or manually input an empirical value by user and obtain on the basis of described mean value; Described target correction coefficient in above-mentioned steps (iv) is the mean value of correction coefficient by calculating other LED points in described multiple LED point except the abnormal LED point of described original intensity and obtains or manually input an empirical value by user and obtain.
In one embodiment of the invention, above-mentioned steps (iii) comprising: draw out the image that a subtabulation shows the Luminance Distribution of described multiple LED points of described target LED display, represent in wherein said image that the gray-scale value of the position of the abnormal lamp point of described original intensity is different from the gray-scale value of the position of other LED points represented in described multiple LED point except the abnormal lamp point of described original intensity, so that human eye viewing; And the abnormal LED point of intrinsic brilliance when utilizing the abnormal lamp point of described original intensity in the more described image of human eye vision and described target LED display to light, to weed out the LED point of the actual not brightness exception when described target LED display is lighted in the abnormal lamp point of described original intensity.
As from the foregoing, the embodiment of the present invention can process after calibration because imaging device exists the abnormal lamp point of brightness that dust brings, and does not need again to correct after cleaning equipment again; Do not need manually to go to search the abnormal lamp point position of all brightness, simplify treatment step; In addition, the abnormal lamp point of all brightness can disposablely process, and improves processing speed.
By the detailed description below with reference to accompanying drawing, other side of the present invention and feature become obvious.But it should be known that this accompanying drawing is only the object design of explanation, instead of as the restriction of scope of the present invention, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the process flow diagram of brightness abnormal lamp point disposal route after a kind of LED display of first embodiment of the invention corrects.
Fig. 2 is the process flow diagram of brightness abnormal lamp point disposal route after a kind of LED display of second embodiment of the invention corrects.
Fig. 3 is the process flow diagram of brightness abnormal lamp point disposal route after a kind of LED display of third embodiment of the invention corrects.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
[the first embodiment]
Refer to Fig. 1, after a kind of LED display that first embodiment of the invention provides corrects, brightness abnormal lamp point disposal route is applied to the target LED display that comprises multiple LED point and comprises step S101, S103, S105 and S107, specific as follows:
Step S101: read the correction coefficient of the correction coefficient memory module storage in the control system of correction coefficient storage file or target LED display to obtain the correction coefficient of multiple LED points of target LED display.Herein, target LED display can LED box or LED display, and it can be monochromatic, double-colored or all-colour LED display device; Correction coefficient storage file is such as preserve in a database and be associated with described multiple LED points of target LED display, and correction coefficient memory module is such as on the receiving card of the control system being positioned at target LED display.
Step S103: find out correction coefficient in described multiple LED point and be greater than the LED point of the mean value p% of the correction coefficient of described multiple LED point as the abnormal lamp point of brightness; Also namely find out correction coefficient and be positioned at the LED point in the coefficient interval of setting as the abnormal lamp point of brightness.Herein, coefficient interval is such as be more than or equal to [Avg × (1+p%)], also namely float p% on the basis of Avg, wherein Avg represents the mean value of the correction coefficient of described multiple LED point, and be understandable that, described in each, the correction coefficient of LED point comprises how many components, then the mean value Avg of its correction coefficient also correspondingly comprises the component of same quantity; In addition the value of p% is by artificial setting, and it can be 20%, but the present invention is not as limit.In other embodiments, the coefficient interval of described setting also can be manually input an empirical value by user and obtain.
Step S105: the mean value Coef calculating the correction coefficient of the residue LED point in described multiple LED point except the abnormal lamp point of brightness
avgas target correction coefficient and the correction coefficient adjusting the abnormal lamp point of brightness to target correction coefficient Coef
avg.
Step S107: the adjustment post-equalization coefficient preserving the abnormal lamp point of brightness is to the described correction coefficient memory module in the control system of described correction coefficient storage file or described target LED display.
[the second embodiment]
Refer to Fig. 2, after a kind of LED display that second embodiment of the invention provides corrects, brightness abnormal lamp point disposal route is applied to the target LED display that comprises multiple LED point and comprises step S201, S203, S205 and S207, specific as follows:
Step S201: read the correction coefficient of the correction coefficient memory module storage in the control system of correction coefficient storage file or target LED display to obtain the correction coefficient of multiple LED points of target LED display.Herein, target LED display can LED box or LED display, and it can be monochromatic, double-colored or all-colour LED display device; Correction coefficient storage file is such as preserve in a database and be associated with described multiple LED points of target LED display, and correction coefficient memory module is such as on the receiving card of the control system being positioned at target LED display.
Step S203: find out correction coefficient in described multiple LED point and be greater than the LED point of the mean value p% of the correction coefficient of described multiple LED point as the abnormal lamp point of brightness; Also namely find out correction coefficient and be positioned at the LED point in the coefficient interval of setting as the abnormal lamp point of brightness.Herein, coefficient interval is such as be more than or equal to [Avg × (1+p%)], and namely also float p% on the basis of Avg, wherein Avg represents the mean value of the correction coefficient of described acquisition, the value of p% is by artificial setting, and it can be 20%, but the present invention is not as limit.In other embodiments, the coefficient interval of described setting also can be manually input an empirical value by user and obtain.
Step S205: receive the target correction coefficient Coef that manually inputs of user and the correction coefficient adjusting the abnormal lamp point of brightness to target correction coefficient Coef.
Step S207: the adjustment post-equalization coefficient preserving the abnormal lamp point of brightness is to the described correction coefficient memory module in the control system of described correction coefficient storage file or described target LED display.
[the 3rd embodiment]
Refer to Fig. 3, after a kind of LED display that third embodiment of the invention provides corrects, brightness abnormal lamp point disposal route is applied to the target LED display that comprises multiple LED point and comprises step S301, S303, S305, S307 and S309, specific as follows:
Step S301: read the correction coefficient of the correction coefficient memory module storage in the control system of correction coefficient storage file or target LED display to obtain the correction coefficient of multiple LED points of target LED display.Herein, target LED display can LED box or LED display, and it can be monochromatic, double-colored or all-colour LED display device; Correction coefficient storage file is such as preserve in a database and be associated with described multiple LED points of target LED display, and correction coefficient memory module is such as on the receiving card of the control system being positioned at target LED display.
Step S303: find out correction coefficient in described multiple LED point and be greater than the LED point of the mean value p% of the correction coefficient of described multiple LED point as the abnormal lamp point of original intensity; Also namely find out correction coefficient and be positioned at the LED point in the coefficient interval of setting as the abnormal lamp point of original intensity.Herein, coefficient interval is such as be more than or equal to [Avg × (1+p%)], and namely also float p% on the basis of Avg, wherein Avg represents the mean value of the correction coefficient of described acquisition, the value of p% is by artificial setting, and it can be 20%, but the present invention is not as limit.In other embodiments, the coefficient interval of described setting also can be manually input an empirical value by user and obtain.
Step S305: control to light described target LED display and be not the LED point of brightness exception based on the human eye vision reality rejected in the abnormal lamp point of original intensity and obtain the abnormal lamp point of residue brightness.Specifically can be: draw out the image that a pair can embody the Luminance Distribution of described multiple LED points of target LED display, in described image, the abnormal lamp point of original intensity is drawn in highlighted mode, the gray-scale value (such as 50) of the position of other LED points in described multiple LED point except the abnormal lamp point of original intensity is represented, so that human eye viewing to make the gray-scale value (such as 255) of the position representing the abnormal lamp point of original intensity in described image be different from; Utilizing human eye vision to compare the abnormal LED point of intrinsic brilliance when the abnormal lamp point of original intensity in the image of drafting and target LED display are lighted afterwards, is not the LED point of brightness exception to weed out in the abnormal lamp point of original intensity actual when target LED display is lighted.Be understandable that herein, also can represent the Luminance Distribution situation of described multiple LED points of target LED display with list mode, just adopt the mode of drawing image more intuitively, more easily to operate.
Step S307: the mean value calculating the correction coefficient of other LED points in described multiple LED point except the abnormal lamp point of original intensity is as target correction coefficient or receive target correction coefficient the correction coefficient of the abnormal lamp point of adjustment residue brightness that user manually inputs to target correction coefficient.
Step S309: the adjustment post-equalization coefficient preserving the abnormal lamp point of residue brightness is to the described correction coefficient memory module in the control system of described correction coefficient storage file or described target LED display.
In above-mentioned first, second, and third embodiment, the abnormal LED point of the brightness that step S103, S203 and S303 find out may comprise abnormal lamp point (such as bright light) of brightness that following several situation produces: the dead lamp 1) in LED display, concealed light, timing can give a larger correction coefficient, if but dead lamp, the concealed light changed after correcting in LED display, so these lamp points will become bright light; 2) there is dust in LED display, cleans LED display and the bright light caused after correction; 3) bright light after correcting is caused owing to camera lens, photo-sensitive cell existing dust; 4) time owing to playing glue in LED display such as LED box production run, some LED point can fall glue, causes these LED points dimmed, and timing can give a large correction coefficient, and the glue after correction on these LED points can become bright light after removing.
In addition, it is worth mentioning that, step S103, S203 and S303 in above-mentioned first, second, and third embodiment are all for bright light is described as an example with the abnormal LED point of brightness, but the present invention is not as limit, also the situation that the abnormal LED point of brightness is concealed light, dead lamp can be applied to, correspondingly, the coefficient interval of setting can be less than or equal to [Avg × (1-p%)]; Correspondingly, the step S305 in the 3rd embodiment is then the abnormal lamp point of original intensity of rejecting actual not concealed light, dead lamp.
In sum, the above embodiment of the present invention can process after calibration because imaging device exists the abnormal lamp point of brightness that dust brings, and does not need again to correct after cleaning equipment again; Do not need manually to go to search the abnormal lamp point position of all brightness, simplify treatment step; In addition, the abnormal lamp point of all brightness can disposablely process, and improves processing speed.
So far, apply specific case herein and set forth the principle of brightness abnormal lamp point disposal route after LED display correction of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention; all will change in specific embodiments and applications; in sum, this description should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.
Claims (10)
1. LED display corrects a rear brightness abnormal lamp point disposal route, is applied to the target LED display comprising multiple LED point; It is characterized in that, after described LED display corrects, brightness abnormal lamp point disposal route comprises step:
A () obtains the correction coefficient of described multiple LED points of described target LED display;
B () finds out correction coefficient in described multiple LED point and is positioned at the LED point in the coefficient interval of setting as the abnormal lamp point of brightness;
C () adjusts the correction coefficient of the abnormal lamp point of described brightness to target correction coefficient; And
D () preserves the adjustment post-equalization coefficient of the abnormal lamp point of described brightness to target location.
2. LED display as claimed in claim 1 corrects rear brightness abnormal lamp point disposal route, it is characterized in that, step (a) comprising: read correction coefficient storage file to obtain the correction coefficient of described multiple LED points of described target LED display, or from the correction coefficient memory module the control system of described target LED display, obtain the correction coefficient of described multiple LED points of described target LED display.
3. LED display as claimed in claim 1 corrects rear brightness abnormal lamp point disposal route, it is characterized in that, in step (b), described coefficient interval is that the mean value of correction coefficient by calculating described multiple LED point floats or lowers a setting percentage threshold and obtain on the basis of described mean value.
4. LED display as claimed in claim 1 corrects rear brightness abnormal lamp point disposal route, and it is characterized in that, in step (b), described coefficient interval manually inputs an empirical value by user and obtains.
5. LED display as claimed in claim 1 corrects rear brightness abnormal lamp point disposal route, it is characterized in that, in step (c), described target correction coefficient is the mean value of correction coefficient by calculating the residue LED point in described multiple LED point except the abnormal lamp point of described brightness and obtains.
6. LED display as claimed in claim 1 corrects rear brightness abnormal lamp point disposal route, and it is characterized in that, in step (c), described target correction coefficient manually inputs an empirical value by user and obtains.
7. LED display as claimed in claim 1 corrects rear brightness abnormal lamp point disposal route, in step (d), described target location is the correction coefficient memory module in the control system of correction coefficient storage file or described target LED display.
8. LED display corrects a rear brightness abnormal lamp point disposal route, is applied to the target LED display comprising multiple LED point; It is characterized in that, after described LED display corrects, brightness abnormal lamp point disposal route comprises step:
I () obtains the correction coefficient of described multiple LED points of described target LED display;
(ii) find out correction coefficient in described multiple LED point and be positioned at the LED point in the coefficient interval of setting as the abnormal lamp point of original intensity;
(iii) control to light described target LED display and be not the LED point of brightness exception based on the human eye vision reality rejected in the abnormal lamp point of described original intensity and obtain the abnormal lamp point of residue brightness;
(iv) correction coefficient of the abnormal lamp point of described residue brightness is adjusted to target correction coefficient; And
V () preserves the adjustment post-equalization coefficient of the abnormal lamp point of described residue brightness to target location.
9. LED display as claimed in claim 8 corrects rear brightness abnormal lamp point disposal route, it is characterized in that,
In step (ii), the coefficient interval of described setting is that the mean value of the correction coefficient by calculating described multiple LED point floats or lowers a setting percentage threshold and obtain or manually input an empirical value by user and obtain on the basis of described mean value;
In step (iv), described target correction coefficient is the mean value of correction coefficient by calculating other LED points in described multiple LED point except the abnormal lamp point of described original intensity and obtains or manually input an empirical value by user and obtain.
10. LED display as claimed in claim 8 corrects rear brightness abnormal lamp point disposal route, and it is characterized in that, step (iii) comprising:
Draw out the image that a subtabulation shows the Luminance Distribution of described multiple LED points of described target LED display, represent in wherein said image that the gray-scale value of the position of the abnormal lamp point of described original intensity is different from the gray-scale value of the position of other LED points represented in described multiple LED point except the abnormal lamp point of described original intensity, so that human eye viewing; And
The abnormal lamp point of intrinsic brilliance when utilizing the abnormal lamp point of described original intensity in the more described image of human eye vision and described target LED display to light, to weed out the LED point of the actual not brightness exception when described target LED display is lighted in the abnormal lamp point of described original intensity.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261079A (en) * | 2020-03-27 | 2020-06-09 | 深圳市洲明科技股份有限公司 | Detection method for abnormal phenomena of bright spots and dark spots |
| CN112259031A (en) * | 2019-07-02 | 2021-01-22 | 西安诺瓦星云科技股份有限公司 | Method, device and system for correcting correction coefficient of display screen and computer readable medium |
| CN113281017A (en) * | 2021-06-09 | 2021-08-20 | 深圳市洲明科技股份有限公司 | Display screen quality detection method, terminal and storage medium |
| CN114299857A (en) * | 2021-12-30 | 2022-04-08 | 卡莱特云科技股份有限公司 | Multilayer correction method and device for LED display screen and computer equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7289248B2 (en) * | 2004-09-17 | 2007-10-30 | Fujifilm Corporation | Image recording apparatus and image correction method |
| CN101101237A (en) * | 2007-08-21 | 2008-01-09 | 友达光电（苏州）有限公司 | Method for measuring luminescent picture brightness uniformity |
| CN101145335A (en) * | 2007-10-25 | 2008-03-19 | 中国科学院长春光学精密机械与物理研究所 | Panel display local and whole-screen brightness uniformity correction method |
| CN103413526A (en) * | 2013-08-19 | 2013-11-27 | 西安诺瓦电子科技有限公司 | Correction method for LED lamp panel of LED display screen |
| CN104200775A (en) * | 2014-09-22 | 2014-12-10 | 西安电子科技大学 | LED defective pixel treatment method |
-
2015
- 2015-07-06 CN CN201510390368.8A patent/CN104978930B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7289248B2 (en) * | 2004-09-17 | 2007-10-30 | Fujifilm Corporation | Image recording apparatus and image correction method |
| CN101101237A (en) * | 2007-08-21 | 2008-01-09 | 友达光电（苏州）有限公司 | Method for measuring luminescent picture brightness uniformity |
| CN101145335A (en) * | 2007-10-25 | 2008-03-19 | 中国科学院长春光学精密机械与物理研究所 | Panel display local and whole-screen brightness uniformity correction method |
| CN103413526A (en) * | 2013-08-19 | 2013-11-27 | 西安诺瓦电子科技有限公司 | Correction method for LED lamp panel of LED display screen |
| CN104200775A (en) * | 2014-09-22 | 2014-12-10 | 西安电子科技大学 | LED defective pixel treatment method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259031A (en) * | 2019-07-02 | 2021-01-22 | 西安诺瓦星云科技股份有限公司 | Method, device and system for correcting correction coefficient of display screen and computer readable medium |
| CN111261079A (en) * | 2020-03-27 | 2020-06-09 | 深圳市洲明科技股份有限公司 | Detection method for abnormal phenomena of bright spots and dark spots |
| CN111261079B (en) * | 2020-03-27 | 2023-10-31 | 深圳市洲明科技股份有限公司 | Method for detecting abnormal phenomena of bright and dark spots |
| CN113281017A (en) * | 2021-06-09 | 2021-08-20 | 深圳市洲明科技股份有限公司 | Display screen quality detection method, terminal and storage medium |
| CN114299857A (en) * | 2021-12-30 | 2022-04-08 | 卡莱特云科技股份有限公司 | Multilayer correction method and device for LED display screen and computer equipment |
| CN114299857B (en) * | 2021-12-30 | 2023-05-30 | 卡莱特云科技股份有限公司 | LED display screen multilayer correction method and device and computer equipment |
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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: XI'AN NOVASTAR TECH Co.,Ltd. Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xi'an NovaStar Tech Co.,Ltd. |