%%?Character?Recognition?Example?（I）:Image?Pre-processing

%%?Manual?Cropping?
img?=?imread（‘sample.bmp‘）;
imshow（img）
imgGray?=?rgb2gray（img）;
imgCrop?=?imcrop（imgGray）;
imshow（imgCrop）

%%?Resizing
imgLGE?=?imresize（imgCrop?5?‘bicubic‘）;
imshow（imgLGE）

%%?Rotation
imgRTE?=?imrotate（imgLGE?35）;
imshow（imgRTE）

%%?Binary?Image
imgBW?=?im2bw（imgLGE?0.90455）;
imshow（imgBW）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????152934??2005-09-30?11:41??sample.bmp
?????文件?????????397??2005-10-01?22:47??char1.m
?????文件?????????811??2005-10-01?22:48??char2.m