manual fine-tune against auto fine-tune analyzer

questions about practical use of Neat Image
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marcus
Posts: 4
Joined: Wed Feb 26, 2003 7:17 pm
Location: Germany

manual fine-tune against auto fine-tune analyzer

Post by marcus »

well- I´m really enthususiasted by the great job NI is doing ,but have
some questions in regard to the auto fine-tune :
1) is it as well necassary to select a uniform patch for the auto fine-tune ?
or does auto fine-tune applies on complete image automatically ?
in my opinion auto fine-tune works more comfortable,than the manual fine-tune. In comparison auto-fine tune gives me more green shades and may be only two or three yellow shades,than using fine-tune with
auto-complete. sometimes it´s also difficult to find different brightness of
uniform patches for fine-tune.
so in my case auto fine-tune seems to find the green shades better.

2. question to queuing :
let´s say i have 10 shots in queue with each keeping it´s individual profile and filter-adjustment.
Are the different profiles for each single photo being considered in queue-mode or will the queue-mode taking always ONE same profile
as basic for each photo ???

I would like to email NI team one small example patch (before/after )
from face examples to consider the incredible difference in noise / quality

MARCUS
NITeam
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Post by NITeam »

marcus,

Thank you for your comments and questions. I will answer now:

1) No, you don't need to select anything to apply auto fine-tuning. Auto fine-tuning finds everything on its own.

2) If the 10 filtration jobs in the queue have individual profiles and presets, then each of the images with be filtered with the corresponding profile and preset. ONE profile+preset are only used when you create several image filtration jobs in batch window.

Regarding the sample, yes, please send the images to our support address. It will be interesting to see your results.

Thank you,
Vlad
taob
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Location: Toronto, ON
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Post by taob »

So having said that, under what circumstances would one use manual tuning vs auto tuning? Is the intention that we always do an auto fine-tune, try out the filter, and for some reason don't like, try tuning by hand?
NeatImage Pro Plus 5.0 + dual Opteron 244 + Windows XP SP2 + FreeBSD 5.2
NITeam
Posts: 3173
Joined: Sat Feb 01, 2003 4:43 pm
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Post by NITeam »

Auto fine-tuning is faster but may be less accurate. Manual fine-tuning is potentially more accurate but usually takes more time. So, you have a choice, which depends on your priorities. Also, you can always do auto fine-tuning first and then do some more manual fine-tuning analyses to see whether they change the equalizer much. If they do not, then there is no point in doing manual fine-tuning because automatic one was good enough.

When using the calibration target, we advise to use the auto fine-tuning.

Vlad
Last edited by NITeam on Sun Mar 02, 2003 1:37 pm, edited 1 time in total.
marcus
Posts: 4
Joined: Wed Feb 26, 2003 7:17 pm
Location: Germany

Post by marcus »

Vlady - thanks for speedy replies on my questions.

i think it depends as well on how the job is done by auto fine-tune.
When all brightness areas and all the nine sliders in the equalizer-box
(for each RGB channel) are covered with green shades , then i assume the job is done well by auto fine-tune and needs no manual fine-tune correction.
When I have - let´s say four or five sliders with yellow shades,then
I may consider this too much meaning auto fine-tune interpolates these
brightness levels.
In this case I may add the manual fine-tune and looking
for uniform patches,which cover brightness levels of the
yellow sliders to have the interpolated yellow brightness levels
re-calculated by the manual fine-tune and getting a green shaded
value after recalculating,which may give the most accurate result.

Marcus
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