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长春光学精密机械与物... [1]
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会议论文 [1]
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2012 [1]
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Transitional compensation algorithm for correcting non-uniformity of LED display image (EI CONFERENCE)
会议论文
2012 2nd International Conference on Materials Science and Information Technology, MSIT 2012, August 24, 2012 - August 26, 2012, Xi'an, Shaan, China
Su W.-x.
;
Chen Y.-s.
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提交时间:2013/03/25
In order to solve the problem of high non-uniformity of LED display images which is caused by the edges of LED display panel during module splicing
transitional compensation algorithm is proposed by improving the existed correction technique named the correction technique based on CCD. First
introduce the three development stages of the LED display panel. Then
the realization progress of the transitional compensation algorithm is described in detail after elaborating the principle of transitional compensation. Finally
the algorithm is emplaned in a LED video control system to control the LED display panel whose display area is 1280960
and which is spliced by 3020 LED modules whose size are 6432. Experimental results show that this algorithm is able to reduce non-uniformity of LED display images from 29.3% before correcting to 0.95%. (2012) Trans Tech Publications
Switzerland.
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