same issue, each time I use the presets
I like to decrease the strength into approx 0,25

or using the ISO 320 preset of MAX is enough for a ISO1000 image

to be continued ...

regards Ger

2012/12/22 johannes hanika <[email protected]>:
> great to have a couple of profiles for the same camera, here's a
> comparison between max's profiles at different exposure times and
> ger's 60D.
>
> overall behaviour seems to be similar, the numbers vary a little.not
> sure how much this will affect denoising performance, probably nothing
> you can't fix by playing with the strength slider a little.
>
> also interesting how these wildly varying exposure times don't change
> the noise behaviour too much. the psnr in the benchmark do look
> broken, it would be very interesting to see how those behave wrt
> exposure time. also using the wrong profile (say f/22 for a f/2.8
> image) and the impact on psnr would be great to see.
>
> -jo
>
> On Sun, Dec 23, 2012 at 8:13 AM, Ger Siemerink <[email protected]> wrote:
>> Heey Max,
>>
>> I'm glad you did it.
>> The presets you have seen comes from graphs similar to those of the blog.
>>
>> However, the raw images are taken on a cloudy day
>> even though the histograms nicely and neatly divided
>> among under and overexposed
>> the result gives an excessive noise suppression.
>> I was planning to repeat the measurements asap.
>>
>> As soon as I get home, I will try your results.
>> Feel free to patch your values to mail!
>>
>> regards Ger
>>
>> 2012/12/22 Max Killer <[email protected]>:
>>> Hello all,
>>>
>>> today I found the time to generate a second 60D profile, another one was
>>> posted a few days ago.
>>> I took the time and tried multiple apertures, and bulb mode. Maybe tomorrow
>>> I can profile the other RAW sizes, just to see if the differ.
>>>
>>> You can find the .tar.gz at:
>>> https://dl.dropbox.com/u/21126599/dt-noiseprofile-20121222_bulb.tar.gz
>>> https://dl.dropbox.com/u/21126599/dt-noiseprofile-20121222_A2.8.tar.gz
>>> https://dl.dropbox.com/u/21126599/dt-noiseprofile-20121222_A5.6.tar.gz
>>> https://dl.dropbox.com/u/21126599/dt-noiseprofile-20121222_A22.tar.gz
>>>
>>> But maybe you want to check the attached benchmark.txt first, because my
>>> PSNR values are different than the one posted in the blog.
>>> Nevertheless, the results in dt are very impressive.
>>>
>>> For questions I normally lurk in the irc channel, or you answer to this
>>> mail. Also I normally check the irc more often.
>>>
>>> PS: I will keep the file a few days...
>>>
>>> Hal
>>>
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-- 
met vriendelijke groet / kind regards Ger
mailto:[email protected] website: www.gersiemerink.net

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