Dear Moose, my query was indeed about sharpening.
Noise and grain I can deal with :-)
Thanks
Amities
Philippe
> Le 15 déc. 2020 à 21:55, Moose <olymoose@xxxxxxxxx> a écrit :
>
> It's my experience that there are multiple things to consider here.
>
> One is dust and scratches. This was the subject of your query 25 months ago,
> to which I wrote a lengthy reply.
>
> Next is noise and/or grain. A modest amount in old photos looks normal,
> perhaps even an asset.
>
> BUT, when you want to sharpen, the sharpening doesn't know the difference
> between noise/grain and subject detail, so almost all sharpening apps sharpen
> the grain, too.
>
> So if you ask about sharpening, you need to be asking about NR, too.
>
> On 12/14/2020 7:51 AM, Jim Nichols wrote:
>> I just noticed your inquiry that came in a little bit ago. So, the list
>> has life.
>>
>> I passed my old scanner on to another Lugger because I had scanned all that
>> were worth saving. But, for sharpening, I find that Topaz Denoise AI,
>> though not free, is the best I've ever used, and is constantly being
>> improved. I use it as a PS filter.
>>
>
> Why does Jim offer a NR product in response to a question about sharpening?
> Because Topaz Denoise AI is much more than just NR. It offers three different
> models for NR, each with separate controls for NR, sharpening and post
> processing detail recovery.
>
> For example, Mode 1, used on low ISO digital images, with settings of
> moderate NR, no sharpening and some detail recovery is pure magic in bringing
> out clear, sharp fine detail.
>
> It does take a little practice to find how it works with any particular type
> of image file. Once found, the settings may be use repetitively on other
> similar files.
>
> I don't use the Sharpening options in Denoise AI - because Topaz Sharpening
> AI is so good. As with Denoise, three different modes/models for sharpening.
> All useful. Where there's been subtle movement blurring, the Stabilize Mode
> is often amazing.
>
> I've tried quite a number of sharpening apps, including the PixelGenius Piers
> mentions and the latest versions in PS. The ones that stand out are the
> pinnacle, Topaz AI and DxO PhotoLab.
> DxO's Raw NR is seldom, but on occasion, as good or better than Topaz. DxO
> sharpening seems to include some form of deconvolution, using their own lens
> profiles. It's really quite good, but not as versatile or effective as Topaz.
>
> There are times when "You get what you pay for." is true. This is an instance
> where the paid option is a great deal better.
>
> Quiet Sharp Moose
>
>> On 12/14/20 9:26 AM, Philippe wrote:
>>> Hi All,
>>>
>>> I’m looking for proven software that actually works for sharpening scans,
>>> mainly slides at the moment.
>>> The ideal candidate should be running on a Mac, possibly from LR, and
>>> optionally be freeware ...
>>>
>>> Thanks in anticipation for sharing your practices as I have read tests but
>>> prefer to rely on hands-on experience from trusted sources, i.e, you :-)
>
> --
> What if the Hokey Pokey *IS* what it's all about?
> --
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