resize image with linear interpolation (note: use ‘ematrsnn’ for a quick resize)
[newimage newcolormap]=eimgzoom(image,colormap,scale)
image :
old image matrix
colormap :
color table
scale :
scale factor (1=no resize, 2=double size, 0.5=half size)
or vector [newRows newColumns]
newimage :
new image matrix
newcolormap :
new colormap