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x(m,n) 34 12 h(m,n) 03 -2
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h(m,n) 03 -2 -2 03 h(m,-n) (0,0) -2 30 h(-m,-n)
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(0,0) -2 30 h(-k,-l) x(k,l) 34 12 (0,0) -2 30 h(m-k,n-l) m=0;n=0
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x(k,l) 34 12 (0,0) -2 30 h(m-k,n-l) m=0;n<1 m<1;n=0
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x(k,l) 34 12 -2 30 h(m-k,n-l) m=1;n=1y(1,1)=-1*1=-1
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x(k,l) 34 12 -2 30 h(m-k,n-l) m=2;n=1y(2,1)=-2*1+-1*2=-4
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x(k,l) 34 12 -2 30 h(m-k,n-l) m=3;n=1y(3,1)=-2*2=-4
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x(k,l) 34 12 -2 30 h(m-k,n-l) m=1;n=2 y(1,2)=-1*3+0*1=-3
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x(k,l) 34 12 -2 30 h(m-k,n-l) m=2;n=2 y(2,2)=-2*3+-1*4+3*1+0*2=-7
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m=3;n=2 y(3,2)=-2*4+3*2=-2 x(k,l) 34 12 -2 30 h(m-k,n-l)
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m=1;n=3 y(1,3)=0*3=0 x(k,l) 34 12 -2 30 h(m-k,n-l)
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m=2;n=3 y(2,3)=3*3+0*4=9 x(k,l) 34 12 -2 30 h(m-k,n-l)
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m=3;n=3 y(3,3)=3*4=12 x(k,l) 34 12 -2 30 h(m-k,n-l)
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y(m,n) 0912 -3-7-2 -4 (0,0)
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