資源簡介
MATLAB應用BP神經網絡對英文字母的識別,含有源代碼。

代碼片段和文件信息
clear?all;
M=1;???????????????%人數
N=26*M;????????????%樣本數
%---------------------------------------------------
for?kk=0:N-1
?????p1=ones(1616);
?????m=strcat(int2str(kk)‘.bmp‘);
?????bw=imread(m‘bmp‘);
?????[ij]=find(bw==0);
?????imin=min(i);
?????imax=max(i);
?????jmin=min(j);
?????jmax=max(j);
?????bw1=bw(imin:imaxjmin:jmax);
?????rate=16/max(size(bw1));
?????bw1=imresize(bw1rate);
?????[ij]=size(bw1);
?????i1=round((16-i)/2);
?????j1=round((16-j)/2);
?????p1(i1+1:i1+ij1+1:j1+j)=bw1;
?????p1=-1.*p1+ones(1616);
?????for?m=0:15
?????????p(m*16+1:(m+1)*16kk+1)=p1(1:16m+1);
?????end
end
%--------------------------------------------------
for?kk=0:M-1
????for?ii=0:25
???????t(kk+ii+1)=ii;
????end
end
save?E52PT?p?t;
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-25?15:10??bp\
?????文件?????????130??2009-03-22?20:34??bp\0.BMP
?????文件?????????130??2009-03-22?20:09??bp\1.bmp
?????文件?????????130??2009-03-22?21:32??bp\10.bmp
?????文件?????????130??2009-03-22?21:32??bp\11.bmp
?????文件?????????130??2009-03-22?21:32??bp\12.bmp
?????文件?????????130??2009-03-22?21:31??bp\13.bmp
?????文件?????????130??2009-03-22?21:31??bp\14.bmp
?????文件?????????130??2009-03-22?21:31??bp\15.bmp
?????文件?????????130??2009-03-22?21:31??bp\16.bmp
?????文件?????????130??2009-03-22?21:31??bp\17.bmp
?????文件?????????130??2009-03-22?21:30??bp\18.bmp
?????文件?????????130??2009-03-22?21:30??bp\19.bmp
?????文件?????????130??2009-03-22?20:10??bp\2.bmp
?????文件?????????130??2009-03-22?21:30??bp\20.bmp
?????文件?????????130??2009-03-22?21:30??bp\21.bmp
?????文件?????????130??2009-03-22?21:29??bp\22.bmp
?????文件?????????130??2009-03-22?21:29??bp\23.bmp
?????文件?????????130??2009-03-22?20:51??bp\24.bmp
?????文件?????????130??2009-03-22?20:51??bp\25.bmp
?????文件?????????130??2009-03-22?20:10??bp\3.bmp
?????文件?????????130??2009-03-22?20:35??bp\4.bmp
?????文件?????????130??2009-03-22?20:37??bp\5.bmp
?????文件?????????130??2009-03-22?21:33??bp\6.bmp
?????文件?????????130??2009-03-22?21:33??bp\7.bmp
?????文件?????????130??2009-03-22?21:32??bp\8.bmp
?????文件?????????130??2009-03-22?21:32??bp\9.bmp
?????文件?????????771??2009-04-21?12:11??bp\poreccessing.m
?????文件????????1096??2009-04-21?12:03??bp\simuli
?????文件?????????288??2009-04-21?11:26??bp\trainbp.m
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