OK, I was mistaken. autopano-sift-c works great for finding keypoints. I'm 
just having difficulties stitching them together. 

Is there a way to see what command line calls Hugin uses when you click 
certain buttons? I am able to stitch them in Hugin, I just dont know how to 
do it using the tools. I keep receiving segmentation faults, and Hugin does 
a much better job than the script.


On Tuesday, February 3, 2015 at 5:54:36 PM UTC-6, Tduell wrote:
>
> Hello Derek, 
>
> On Wed, 04 Feb 2015 09:17:17 +1100, Derek W <[email protected] 
> <javascript:>> wrote: 
>
> > Hello! 
> > 
> > I am a senior computer engineering major working on my senior design 
> > project in image stitching. For this project I am working with stitching 
> > hundreds of rice field images with GPS metadata included. I have decided 
>   
> > to give PanoTools a shot for stitching these images, and have made a   
> > prototype script for stitching 2 images together. Here you can see the   
> > prototype BASH script: 
> > 
> > pto_gen -o to_stitch.pto -p 0 -f 10 $1 $2 
> >> autopano-sift-c output.pto to_stitch.pto 
> >> pto_var --opt y,p,r -o output2.pto output.pto 
> >> autooptimiser -n -o output3.pto output2.pto 
> >> autooptimiser -m -o output4.pto output3.pto 
> >> pano_modify -o output5.pto --center --straighten --canvas=AUTO   
> >> --crop=AUTO 
> >> output4.pto 
> >> echo "optimiser done, see optimised.pto. creating make" 
> >> pto2mk -o output.pto.mk -p output_stuff output5.pto 
> >> echo "done creating make, see final. now making." 
> >> make -f output.pto.mk 
> > 
> > 
> > Using this script I am able to successfully stitch two rice field images 
> > left to right. The problem comes when I rotate each of them 90 degrees. 
>   
> > It seems that autopano-sift-c can't find control points vertically. It   
> > is my 
> > understanding that SIFT algorithm alone should be able to identify   
> > control points, but I'm guessing this implementation must have been   
> > optimised for 
> > panoramas. 
> > 
> > So my question: Does anyone know a way to get autopano-sift-c to detect 
> > keypoints vertically? If not, is there another keypoint finder I should 
> > look into? 
>
> I haven't tried stitching combinations of portrait and landscape images   
> lately to recall how best to tackle this. I would try using cpfind instead 
>   
> of autopano-sift-c, and maybe also use cpclean. 
>
> > Also if you see anything in this script that looks dumb or unnecessary 
> > please let me know. 
>
> Still thinking about that. That could depend on how the images were   
> produced, and whether it would be useful to also optimise other 
> parameters. 
>
>
> Cheers, 
> -- 
> Regards, 
> Terry Duell 
>

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