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比如识别数字,先通过程序对图片中数字进行滤波等处理,得到的结果图片中的数字作为模板,进行模板匹配或者用来识别从而提高精度
可以啊,例子里有很多。
http://book.openmv.cc/example/04-Image-Filters/blur_filter.html