OpenCV for a license plate recognition program can only deal with black and yellow license plate image

用OpenCV作的一个车牌识别程序，目前只能处理黄底黑字的车牌图像
............................................................\character.txt
............................................................\characternum.txt
............................................................\chinese.txt
............................................................\cv100.dll
............................................................\cxcore100.dll
............................................................\highgui100.dll
............................................................\image
............................................................\imagepro.dll
............................................................\.....\000.jpg
............................................................\.....\001.JPG
............................................................\.....\002.jpg
............................................................\.....\003.JPG
............................................................\.....\004.JPG
............................................................\.....\005.JPG
............................................................\.....\006.JPG
............................................................\.....\007.JPG
............................................................\.....\010.jpg
............................................................\.....\011.jpg
............................................................\.....\013.jpg
............................................................\.....\016.jpg
............................................................\.....\017.jpg
............................................................\.....\031.jpg
............................................................\.....\10.jpg
............................................................\.....\91.jpg
............................................................\.....\910.jpg
............................................................\.....\92.jpg
............................................................\.....\93.jpg
............................................................\.....\94.jpg
............................................................\.....\95.jpg
............................................................\.....\bb.jpg
............................................................\.....\cc.jpg
............................................................\.....\dd.jpg
............................................................\libguide40.dll
............................................................\plate.exe
............................................................\readme.txt

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