å æ¥ã®è¨äºã«ã¦ãé©å¿çäºå¤åã®ä¸ææ³ã§ããSauvola[1]ã®ææ³ã«ã¤ãã¦ç´¹ä»ãã¾ããã é¾å¤ã®è¨ç®å¼ã¯åç´ã§ãå®è£ ã¯å²ã¨ç°¡åã§ããããã1ãã¯ã»ã«ãã¨ã«å¨å²ã®å¹³åã»æ¨æºåå·®ãæ±ããã®ã¯ãçµæ§ã³ã¹ãããããå¦çã§ãããããç©åç»åï¼Integral Imageï¼ã«ããé«éã«å®è£ ããæ¹æ³ãç´¹ä»ãã¾ãã ãªããä»åã¯C++ã§ã³ã¼ãã示ãã¾ããããç¨åº¦ããããããéè¦ã§ãã®ã§ããã¡ããæéå®è£ ã¨ããããã§ã¯ããã¾ããã [1] J. Sauvola et. al., âAdaptive document image binarization,â Pattern Recognition 33(2), pp.225â236, 2000. http://www.mediateam.oulu.fi/publications/pdf/24.pdf Sauvolaã®ææ³ããããã 以ä¸ã®å¼ã§ãåãã¯ã»ã«ã®
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