PanoTools mailing list archive

Mailinglist:PanoTools NG
Sender:Fabio Bustamante
Date/Time:17-Mar-2008 12:56:09 +0100
Subject:Re: Re: Fusing improvement

Thread:


wow... very good result indeed. Although 1/2 stop seem to be a little 
too close to be used in everyday situations of exposure fusion - at lest 
for me.

Thanks for trying anyway! :-)

Fabio.

Hans Nyberg wrote:
> --- In #removed#, "Hans Nyberg" <hans@...> wrote:
>   
>> --- In #removed#, Fabio Bustamante <contato@> wrote:
>>     
>>> I'm not even sure that these two concepts could be mixed, but...
>>>
>>> Many of you are probably familiar with the concept of using several 
>>> separated exposures to create an averaged one with the noise 
>>> considerably reduced.
>>>
>>> Well, I was wondering if the fusing process could somehow use all the 
>>> information present on the input samples to produce this kind of noise 
>>> reduction effect together with the exposure fusion. Of course it 
>>> wouldn't be a simple averaging... but maybe for a given well exposed 
>>> area one could extract noise related useful information from at least 
>>> the 2 stop under and overexposed images. Would that be possible?
>>>       
>> I did a test yesterday using 3 exposures 3200ASA +- 2/3 stops
>>     
>
> Here is a crop of the first test I did.
> http://www.panoramas.dk/panorama/enfuse/Enfused-3200asa.jpg
>
> You have to see it in 100% to see it. Not resized in your browser.
> Note that the best result is if you just have a small difference in exposure 1/2 stop is fine,
> I tried doing it with one exposure, exposed with different settings in Raw converter but 
> that did not give me any reduction in noise,
>
> Hans
>
>
> ------------------------------------
>
>   

------------------------------------

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