Wouldn't "align image stack"command work for this? Then you'd have two aligned 
images to work with. On Apr 1, 2015 8:05 AM, 'boomslang' via hugin and other 
free panoramic software <hugin-ptx@googlegroups.com> wrote:
>
> Hi Yo'av, 
>
>
> I do not consider myself an expert, but as I see no further hints, I'll give 
> it a try. 
>
> Try ticking one of the 'exposure corrected' or 'exposure fused' boxes under 
> 'Panorama outputs' in the Stitcher tab. You'll get transformed and scaled 
> .tiff files of the original scans. 
>
> Import them in Photoshop/Gimp, increase the canvas of both images, align them 
> manually (shouldnt be too hard as the distortions are identical now) and do 
> your operations.  Perhaps in the log files you can find the exact shifts 
> needed for perfect alignment. 
>
> I am sure there is also a trick to obtain a two-layered TIFF file with both 
> images already aligned but I don't know how to do that. 
>
>
> Good luck, 
>
> boomslang 
>
>
> -------------------------------------------- 
> On Wed, 1/4/15, Yo'av Moshe <bje...@gmail.com> wrote: 
>
> Subject: Re: [hugin-ptx] Aligning two images one on top of another 
> To: hugin-ptx@googlegroups.com 
> Cc: t...@wildintellect.com 
> Date: Wednesday, 1 April, 2015, 9:39 
>
> Thanks Alex! 
> While I managed to load the images and 
> get 24 control points, I still can't find a way to 
> export image B according to the corresponding points on 
> image A. 
> Any ideas for how 
> to do it? 
> Thanks! 
> Yo'av 
>
> On Tuesday, 31 March 2015 20:03:18 UTC+3, Alex 
> wrote:On 03/31/2015 07:47 AM, Yo'av 
> Moshe wrote: 
>
> > Hi, 
>
> > Knowing that Hugin is made 
> specifically for creating panorama images, I was 
>
> > wondering if I can use it for the 
> following task: 
>
> > 
>
> > I have two scanned images (scanned 
> from a roll film). Image A is larger 
>
> > than image B, but image B has better 
> colours and saturation. What I was 
>
> > thinking to do is to put image B on 
> top of image A, and then to apply only 
>
> > the hue and saturation properties of 
> it onto image A. 
>
> > To do this, I need to have both images 
> aligned perfectly on top of another. 
>
> > Problem is that as as expected with 
> any scanned image, the cropping is 
>
> > slightly different, there are minor 
> distortions etc'. 
>
> > 
>
> > I wanted to use Hugin to create a file 
> based on image B, that is aligned 
>
> > according to image A (meaning: 
> it's the same size as image A and all 
>
> > elements in it are aligned correctly). 
>
> > 
>
> > Can Hugin, or any of the tools that 
> come with it, be used to do that? 
>
> > 
>
> > Thank you so very much! 
>
> > 
>
> > Yo'av 
>
> > 
>
>
>
> I think you can do this, it's part of 
> the HDR component of the 
>
> stitching/blending step at the end. Really 
> what you are doing is some 
>
> form of HDR/exposure blending. 
>
>
>
> Thanks, 
>
> Alex 
>
>
>
>
>
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