Create Zoom blurring effect

Hi,

I am going to model the zoom blur effect having the Point Spread (PSF) function in the XY directions and the speed of displacement of the image. I know there is a fspecial('motion',len,deg) function that returns the kernel when the image moves in the x and y direction, but I am interested in the motion in the z-direction. Can anybody help me with how I can make such kernels? The XYZ coordinates are depicted in the attached picture

Answer 1

[Kiran Felix Robert]

Hi Mojtaba,

The Movement in z-direction can be modelled by using interpolations feature. This can be achieved by imresize, or by setting a magnification feature in imshow as explained and demonstrate in this MathWorks blog page.

Also refer this documentation for examples using imresize.