Matlab imresize change image size

function: Change the size of the image.

Usage: B = Imresize (a,m)
B = Imresize (A,m,method)
B = imresize (a,[mrows ncols],method)

B = Imresize (..., method,n)
B = Imresize (..., method,h)

The Imrersize function uses the interpolation operation specified by the parameter method to change the size of the image. Several optional values for method:
' Nearest ' (default value) nearest neighbor interpolation
' Bilinear ' bilinear interpolation
' Bicubic ' dual three-time interpolation
B = imresize (a,m) means the image A is enlarged by M times
B = h in imresize (..., method,h) can be any one FIR filter (H usually consists of a two-dimensional FIR filter generated by functions Ftrans2, Fwind1, Fwind2, or FSAMP2).