Optical character recognition

光学字符识别,基于7个不变矩，模板匹配，可识别数字和字母

%CREATE TEMPLATES
%Letter
A=imread（‘letters_numbers\A.bmp‘）;B=imread（‘letters_numbers\B.bmp‘）;
C=imread（‘letters_numbers\C.bmp‘）;D=imread（‘letters_numbers\D.bmp‘）;
E=imread（‘letters_numbers\E.bmp‘）;F=imread（‘letters_numbers\F.bmp‘）;
G=imread（‘letters_numbers\G.bmp‘）;H=imread（‘letters_numbers\H.bmp‘）;
I=imread（‘letters_numbers\I.bmp‘）;J=imread（‘letters_numbers\J.bmp‘）;
K=imread（‘letters_numbers\K.bmp‘）;L=imread（‘letters_numbers\L.bmp‘）;
M=imread（‘letters_numbers\M.bmp‘）;N=imread（‘letters_numbers\N.bmp‘）;
O=imread（‘letters_numbers\O.bmp‘）;P=imread（‘letters_numbers\P.bmp‘）;
Q=imread（‘letters_numbers\Q.bmp‘）;R=imread（‘letters_numbers\R.bmp‘）;
S=imread（‘letters_numbers\S.bmp‘）;T=imread（‘letters_numbers\T.bmp‘）;
U=imread（‘letters_numbers\U.bmp‘）;V=imread（‘letters_numbers\V.bmp‘）;
W=imread（‘letters_numbers\W.bmp‘）;X=imread（‘letters_numbers\X.bmp‘）;
Y=imread（‘letters_numbers\Y.bmp‘）;Z=imread（‘letters_numbers\Z.bmp‘）;
%Number
one=imread（‘letters_numbers\1.bmp‘）;  two=imread（‘letters_numbers\2.bmp‘）;
three=imread（‘letters_numbers\3.bmp‘）;four=imread（‘letters_numbers\4.bmp‘）;
five=imread（‘letters_numbers\5.bmp‘）; six=imread（‘letters_numbers\6.bmp‘）;
seven=imread（‘letters_numbers\7.bmp‘）;eight=imread（‘letters_numbers\8.bmp‘）;
nine=imread（‘letters_numbers\9.bmp‘）; zero=imread（‘letters_numbers\0.bmp‘）;

letter = [A B C D E F G H I J K L M N...
    O P Q R S T U V W X Y Z];
number = [one two three four five six...
    seven eight nine zero ];
word = [letter number];
template = mat2cell（word42[24 24 24 24 24 24 24 24 ...
    24 24 24 24 24 24 24 24 ...
    24 24 24 24 24 24 24 24 ...
    24 24 24 24 24 24 24 24 24 24 24 24]）;

save（‘template‘‘template‘）;
clear;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       1709  2013-01-10 10:41  字符识别\createTemplate.m

     文件        233  2013-01-10 22:29  字符识别\creatMomentInvariant.m

     文件        482  2013-01-11 12:49  字符识别\getLetter.m

     文件       1232  2013-01-09 21:38  字符识别\getMomentInvariant.m

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\0.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\1.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\2.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\3.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\4.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\5.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\6.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\7.bmp

     文件        230  2009-02-09 10:30  字符识别\letters_numbers\8.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\9.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\A.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\B.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\C.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\D.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\E.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\F.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\G.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\H.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\I.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\J.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\K.bmp

     文件        230  2009-02-09 10:31  字符识别\letters_numbers\L.bmp

     文件        230  2009-02-09 10:32  字符识别\letters_numbers\M.bmp

     文件        230  2009-02-09 10:32  字符识别\letters_numbers\N.bmp

     文件        230  2009-02-09 10:32  字符识别\letters_numbers\O.bmp

     文件        230  2009-02-09 10:32  字符识别\letters_numbers\P.bmp

............此处省略35个文件信息