数字图像处理中常用的插值方法

2010-11-1514:051i+u,j+v(i,ju,v1)(i+u,j+v)Au0.5,v0.5CD2(i,j+v)f(i,j)f(i,j+1)f(i,j+v)=[f(i,j+1)-f(i,j)]*v+f(i,j)(i+1,j+v)f(i+1,j+v)=[f(i+1,j+1)-f(i+1,j)]*v+f(i+1,j)f(i,j+v)f(i+1,j+v)f(i+u,j+v)=(1-u)*(1-v)*f(i,j)+(1-u)*v*f(i,j+1)+u*(1-v)*f(i+1,j)3S(x)sin(x)/x,(x,y)16f(x,y)=f(i+u,j+v)=ABC: