HUandradon.rar_Huandradon_matlab 不变距_radon transform_不变矩 matla

function CtrM = CentralM(p,q,I) % % CentralM 计算二维p＋q阶中心矩 % % I(x, y)是图像在点(x, y)的强度（灰度值）。 [m,n] = size(I); CtrM = 0; m10 = Moment2D(1,0,I); m01 = Moment2D(0,1,I); m00 = Moment2D(0,0,I); xaverage = m10/m00; yaverage = m01/m00; for x = 1:m for y= 1:n CtrM = CtrM+(x-xaverage)^p * (y-yaverage)^q * I(x,y); end; end; %CtrM ,p,q ,xaverage,yaverage%