rasterimage.m

超声图像实时消噪实验程序

function r = rasterimage( im, d, w, linegrey )
si = size(im, 1 ); sj = size( im, 2 );

r = raster( si, sj, d, d, w, w );
a = imresize( imresize( gD(im, 4/6 * d, 0, 0 ), 1/d ), d );
r = r.*a + (1-r).*linegrey;