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function s=subim(f,4,4,2,2)' i1 ~5 K R' f3 z2 F
%SUBIM Extracts a subimage,s,from a given image,f.' G1 D3 B3 o. j' a, V
%The subimage is of size m-by-n,and the coordinates
6 Q7 N( Y' _9 g: T%of its top,left corner are(rx,cy).
3 r$ i! n% e0 Is=zeros(m,n);4 _/ a2 w3 I% H# Z5 O0 j# K
rowhigh=rx+m-1;2 ~4 r* S! t' n7 z8 h* M
colhigh=cy+n-1;
e9 T l$ T T' r. @. V, l$ hxcount=0;4 I2 U7 N, t. b/ {# W5 r
for r=rx:rowhigh, e; g( F( H; k% j4 h
xcount=xcount+1;
( W) o. r8 y; Xycount=0;) r6 f; K3 [$ {, j
for c=cy:colhigh3 G+ p/ E; d6 _9 d) v y5 E
ycount=ycount+1;2 p9 n+ e. I* Y1 _5 Y+ C& N/ W
s(xcount,ycount)=f(r,c);
. C/ s7 p7 l2 s6 }end6 {' Q- x8 d0 Y
end
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发表于 2019-8-28 17:11
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淘帖
支持！
反对！
楼主