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Thread Subject:
Help with unsharp!

Subject: Help with unsharp!

From: mrnickname

Date: 20 Mar, 2008 00:02:16

Message: 1 of 2

Does anyone know how to create an unsharp mask without using the
inbuilt filters?

Thanks in advance.

Subject: Help with unsharp!

From: Vihang Patil

Date: 20 Mar, 2008 06:36:29

Message: 2 of 2

mrnickname <ankitnaker@gmail.com> wrote in message
<eecbf20d-d297-47b6-b95e-
0a6dea9fd3e7@s12g2000prg.googlegroups.com>...
> Does anyone know how to create an unsharp mask without
using the
> inbuilt filters?
>
> Thanks in advance.

doc fspecial
doc imfilter
h = fspecial('unsharp',alpha);
ex:
h = fspecial('unsharp');
h =

   -0.1667 -0.6667 -0.1667
   -0.6667 4.3333 -0.6667
   -0.1667 -0.6667 -0.1667

HTH
Vihang

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