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From: jogging on 26 May 2010 22:28
Hi, all

I am using the function resize and trace it into the resize.m file.
I find that there is an argument called antialiasing.
I hope to use bilinear method to interpolate the image, but if
antialiasing
is setting and the default value is on, the interpolation matrix
becomes
4x4. As we know, the matrix should be 2x2.

I don't know how it is generated. Is there a antiliasing filter?
If the antialiasing is on, the final interpolation matrix is the
multiplication
of interpolation matrix which depends on interpolation method and
antiliasing filter matrix?

Thanks
Jogging
From: us on 27 May 2010 01:35
jogging <joggingsong(a)gmail.com> wrote in message <0b797bf7-5ce5-49fa-a1c8-863990dba3d0(a)y12g2000vbr.googlegroups.com>...
> Hi, all
>
> I am using the function resize and trace it into the resize.m file.
> I find that there is an argument called antialiasing.
> I hope to use bilinear method to interpolate the image, but if
> antialiasing
> is setting and the default value is on, the interpolation matrix
> becomes
> 4x4. As we know, the matrix should be 2x2.
>
> I don't know how it is generated. Is there a antiliasing filter?
> If the antialiasing is on, the final interpolation matrix is the
> multiplication
> of interpolation matrix which depends on interpolation method and
> antiliasing filter matrix?
>
> Thanks
> Jogging

where did your function RESIZE come from(?)...

us
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