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长春光学精密机械与物... [1]
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OAI收割 [1]
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会议论文 [1]
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2012 [1]
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专题:长春光学精密机械与物理研究所
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LED display image correction based on computer simulation (EI CONFERENCE)
会议论文
OAI收割
2012 International Applied Mechanics, Mechatronics Automation Symposium, IAMMAS 2012, September 7, 2012 - September 9, 2012, Shenyang, Liaoning, China
Zheng X.-F.
;
Chang F.
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提交时间:2013/03/25
For the purposes of correcting the LED display image
a method based on computer simulation is proposed. First
the development of the LED display panel is introduced. Second
analyze the causes of the problem which image in LED display panel has serious high nonuniformity
and introduce the existed correction techniques which are used to reduce the nonuniformity of LED display image. Simultaneously
point out the ground for shortcomings of these techniques. Third
describe the principle of correction method based on computer simulation detail from two steps
which are the luminous collection and luminous copulation. Forth
describe the realization steps of this method in accordance with the third step. Finally
this method is supplied in a LED display panel
whose resolution is 640480. Experimental results show that this method is able to reduce the non-uniformity of images from 11.06% to 0.98%. (2012) Trans Tech Publications
Switzerland.