pixel_uR pixel_ug pixel_ub];
frame_d(i,j,1:3) = [pixel_dr pixel_dg pixel_db];
fram_std...pixel_dg = frame_d(i,j,2); pixel_db = frame_d(i,j,3);
%标准差
pixel_stdr = fram_std...(i,j,1); pixel_stdg = fram_std(i,j,2); pixel_stdb = fram_std(i,j,3);
%方差...%图像内容更新
frame_u(i,j,1:3) = [pixel_uR pixel_ug pixel_ub];
fram_std