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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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2009 [1]
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DirectShow application in LED panel display system (EI CONFERENCE)
会议论文
2009 International Conference on Information Technology and Computer Science, ITCS 2009, July 25, 2009 - July 26, 2009, Kiev, Ukraine
Tao L.
;
Ding T.-F.
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提交时间:2013/03/25
A new DirectShow application in the field of LED Panel display system is shown in this paper. It realizes video processing functions with DirectShow architecture on computer. Source Filter and many Transform Filters
which provided by Microsoft Co.
transform source video into RGB24 format. Then
the video data are scaled up/down to LED panel resolution by Fixformat Filter which inherite CTramsformfilter baseclass. After that
the R/G/B values of video data are adjusted in CCorrect Filter to adapt LED Panel display. Finally
the processed video is shown on LED Wall through DVI or VGA interface. Our experimental results demonstrate that this system makes a good performance. It is greatly simplify the functions of Sending-Board
Receiving Board
and Control-Scanning-Board in display system of the LED Wall. The total cost will be cut down observably
if we can transplant the filters into the embedded platform
to build a special video processing system for LED Panel display. 2009 IEEE.
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