Re: Updated Filters 1.0 editor's draft

On Tue, Aug 30, 2011 at 10:17 AM, Brad Kemper <> wrote:
> On Aug 30, 2011, at 9:17 AM, "Tab Atkins Jr." <> wrote:
>> As a sidenote, while I understand the historic reasoning behind the
>> name of the unsharp() function, it's really super-confusing to have
>> something that sharpens an image be named "unsharp".  Could we change
>> this to just "sharpen" or something?
> Is it like PhotoShop's unsharp mask? If so, that is a pretty well known, well used filter for designers, photographers, and others working in PhotoShop. It is more than just a simple 'sharpen' (which is also available in PhotoShop).

Yes, it is - you blur the input, then subtract the input from the blur.

I don't know the mechanics of Photoshop's "sharpen" filter.


Received on Tuesday, 30 August 2011 17:22:44 UTC