資源簡介
基于小波變換的特征提取,并且給出了利用小波變換的紋理特征提取和顏色特征提取。
代碼片段和文件信息
[xmap]=imread(‘Img242655712.jpg‘);
r=x(::1);
g=x(::2);
b=x(::3);
%R
[ca1ch1cv1cd1]?=?dwt2(r‘haar‘);??
[ca2ch2cv2cd2]?=?dwt2(ca1‘haar‘);??
[ca3ch3cv3cd3]?=?dwt2(ca2‘haar‘);??
[ca4ch4cv4cd4]?=?dwt2(ca3‘haar‘);??
ch1s=size(ch1);
ch1m=0;
for?i=1:ch1s(2)
ch1m=ch1m+ch1(i);
end
ch2s=size(ch2);
ch2m=0;
for?i=1:ch2s(2)
ch2m=ch2m+ch2(i);
end
ch3s=size(ch3);
ch3m=0;
for?i=1:ch3s(2)
ch3m=ch3m+ch3(i);
end
ch4s=size(ch4);
ch4m=0;
for?i=1:ch4s(2)
ch4m=ch4m+ch4(i);
end
cv1s=size(cv1);
cv1m=0;
for?i=1:cv1s(2)
cv1m=cv1m+cv1(i);
end
cv2s=size(cv2);
cv2m=0;
for?i=1:cv2s(2)
cv2m=cv2m+cv2(i);
end
cv3s=size(cv3);
cv3m=0;
for?i=1:cv3s(2)
cv3m=cv3m+cv3(i);
end
cv4s=size(cv4);
cv4m=0;
for?i=1:cv4s(2)
cv4m=cv4m+cv4(i);
end
cd1s=size(cd1);
cd1m=
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????7069??2006-06-10?14:57??tezh.m
-----------?---------??----------?-----??----
?????????????????7069????????????????????1
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