Hello. I downloaded both the file and the image is very impressive, however, when I tried recreating it once again with the PTO, I got a lot more artefacts. Thanks for the images.
Þórir On Wednesday, 8 May 2019 06:36:57 UTC, GnomeNomad wrote: > > Sorry, here are correct links: > > > http://clanjones.org/porirtestpano/LMI-Kort-J36-J-8500-LMI-Kort-J36-J-8503.tif > > > http://clanjones.org/porirtestpano/LMI-Kort-J36-J-8500-LMI-Kort-J36-J-8503.pto > > > On 5/7/19 9:06 AM, Þórir wrote: > > I havent got any much better results yet. Both links give a 404 error > > when i click on them > > > > On Wednesday, 1 May 2019 07:42:35 UTC, GnomeNomad wrote: > > > > Here's me redo of it, with steps, output image and PTO. > > > > Steps (just to make sure I remembered what I did). > > > > 1. Select the 4 images in my file manager, right click, select "Open > > With ... Hugin PTO generater. > > > > 2. Open the PTO in Hugin. > > > > 3. Run Create control points option "Hugins CPFind + Celest (slower, > > but > > no CPS on clouds). > > > > 4. Optimize geometric (incremental, starting from anchor). My run > > reported this: > > Results: > > average control point distance: 22.408888 > > standard deviation: 77.171264 > > maximum: 339.069320 > > > > 5. Cleaned control points. That removed 7. > > > > 6. Crop all images from this lens to remove the notched corner. > > > > 7. Optimize geometric Positions, View and Barrel (y,p,r,v,b). > > > > 8. Preview panorama in Fast Panorama Preview window. While there, > set > > projection to Rectilinear. On Move/Drag tab, click Center button. > > > > 9. Optimize geometric positions: Everything without translation. > > > > 10. In Fast Panorama Preview, click Center button again to > > re-center. On > > the Crop tab in Fast Panorama Preview, click Autocrop. Close Fast > > Panorama Preview. > > > > 11. Click calculate optimize size. Gave me 27012 width, 60777 > height. > > > > 12. Save pano and stitch. > > > > NOTE: Didn't run vertical lines search. Vertical lines make no sense > > for > > these images. I think vertical lines here could really screw things > up. > > > > Didn't optimize exposure at all. First time I tried this, I tried > > optimizing exposure, and it came out all overexposed and wrong. So I > > decided to go without it. > > > > Also, after you mentioned the source of these images (scanned film > from > > some unknown aerial camera) and that it was professionally shot, I > > decided that they would have shot them all at the same exposure. If > > they > > were also professionally scanned, I'm pretty sure they're all the > same > > exposure. So I left the exposure as it was, without optimization. > > > > Link for the image and PTO file: > > > > > http://clanjones.org/david/porirtestpano/LMI-Kort-J36-J-8500-LMI-Kort-J36-J-8503.tif > > > < > http://clanjones.org/david/porirtestpano/LMI-Kort-J36-J-8500-LMI-Kort-J36-J-8503.tif> > > > > > > > http://clanjones.org/david/porirtestpano/LMI-Kort-J36-J-8500-LMI-Kort-J36-J-8503.pto > > > < > http://clanjones.org/david/porirtestpano/LMI-Kort-J36-J-8500-LMI-Kort-J36-J-8503.pto> > > > > > > > > The TIF is 748.8MB, 48bit TIFF. 24736 wide, 10515 height. 82.5" by > 35" > > at 300 dots per inch in the USA's archaic measurement system. > > > > Let me know when you get them. > > > > A quick look through showed me a few artefacts: minor jogs in a > house > > and a street at a few places. Those might originate in the geometric > > optimization process. Maybe optimizing for translation, too, would > > help, > > since these were shot from a moving airplane so the camera was > moving. > > I'm not familiar with using translation. Other folk on the list > > would be > > better helpers with that. > > > > What do you think? > > > > On 4/27/19 5:45 AM, Kameldýrið wrote: > > > hugin1.PNG > > > > > > hugin0.PNGHi again. > > > I tried a procedure silmilar to one that you described > > > I ended up with an image with farly much over-exposure and and > > artefacts. > > > Is there anything that I am doing wrong that I can do to improve > > my results? > > > Could you perhaps upload your result image? > > > > > > Thanks. > > > Þórir. > > > > > > > > > On Sunday, 21 April 2019 07:51:12 UTC, GnomeNomad wrote: > > > > > > Hey, thanks for sharing the pictures. Loved them, big and > > sharp. :) > > > > > > Very big - 446.8MB per image! What kind of drone/camera did > > you use? > > > > > > The focal length Hugin PTO Generator came up with was 34.607 > > with a > > > multiplier of 1. > > > > > > I stitched all 4 of them, full sized, in Hugin on my Linux > > laptop. > > > First > > > ran the Hugin PTO Generator. Then opened the PTO in Hugin, > > ran the > > > CPFind + Celeste option on it. Ran the Positions Incremental > > geometric > > > otpimization. Cleaned the control points. On the Masks tab, > > masked out > > > the corner notch and the black borders on the images. Ran the > > Positions > > > and Barrel Distortion (yp4b) geometric optimization. Went to > > the Fast > > > Preview, set it to Rectilinear projection. Clicked the Center > > button on > > > Move/Drag tab, then Autocrop. On the Stitcher tab, I clicked > > Calculate > > > Optimal Size. I experimented with various photometric > > optimizations and > > > finally decided to just leave it untouched. > > > > > > Saved the PTO and ran the stitch. Stitching took 4 minutes on > > my 2.4GHz > > > i7 processor. > > > > > > Memory usage peaked at 10.8GB (my laptop has 16GB). That > > could affect > > > things on machines with less memory or other operating > > systems. My > > > office laptop with Windows 7 Enterprise and 8GB of memory > > uses just > > > about 4GB of memory for Windows and the assorted > > enterprise-mandated > > > security applications. So I suspect the fact that stitching > > stopped and > > > produced a corrupted file on your computer means your > > computer ran out > > > of memory and something didn't respond well to using swap > space. > > > > > > I ended up with a 932.9MB 48-bit TIFF file. Ran the stitch > > again to > > > output a JPG and got a 345.3MB file. > > > > > > Thank you again for the pictures. I currently shoot mere > > 6Mpixel 48-bit > > > TIFF and plan to move to a 42-45Mpixel camera in the future. > > Nice to > > > know that my present set up can handle large images! > > > > > > On 4/17/19 8:30 AM, Wirz wrote: > > > > Hi, > > > > > > > > I think there is nothing wrong with your pictures. I gave > > the first > > > > first two a try and they stitch fine > > > > (http://78.46.190.157:8080/first-two.jpg > > <http://78.46.190.157:8080/first-two.jpg> > > > <http://78.46.190.157:8080/first-two.jpg > > <http://78.46.190.157:8080/first-two.jpg>>). > > > > > > > > Mostly that is, because there is a conceptual problem with > > aerial > > > > pictures: You can either stitch photos of any scene (with > > all the > > > photos > > > > taken from the same point), or of a flat surface (with > almost > > > arbitrary > > > > camera positions). Given that Iceland is not flat, and > > airplanes > > > are > > > > not stationary, neither approximation is perfect. But if > > some > > > artefacts > > > > are acceptable you can assume that the ground is flat > > enough and the > > > > result won't be too bad. > > > > > > > > cheers, lukas > > > > > > > > > > > > > > > > On 17/04/2019 17:48, Kameldýrið wrote: > > > >> The focal length is 151,78 mm on those > > > >> > > > >> On Wednesday, 17 April 2019 14:40:05 UTC, Kameldýrið > wrote: > > > >>> > > > >>> Hi Terry. > > > >>> Whenever hugin stitches them together it stops > > responding and > > > results in a > > > >>> corrupt file. > > > >>> I dont know if its due to their size (they're fairly > large > > > tiffs) or to my > > > >>> computers limitations. > > > >>> The tiff files of the 4 photos can be downloaded if you > > would > > > like to > > > >>> recreate. (500 > > > >>> > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8500 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8500> > > > > > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8500 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8500>>>, > > > > > > > > > > >>> 501 > > > >>> > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8501 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8501> > > > > > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8501 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8501>>>, > > > > > > > > > > >>> 502 > > > >>> > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8502 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8502> > > > > > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8502 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8502>>>, > > > > > > > > > > >>> 503 > > > >>> > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8503 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8503> > > > > > > > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8503 > > > < > https://atlas.lmi.is/getfile/tif_loftmynd.php?id=/mnt/loftmvolmc/loftmvolm8/loftm_vol_8/J36-J-8503>>> > > > > > > > > > > >>> ) > > > >>> > > > >>> Thanks for responding > > > >>> > > > >>> On Wednesday, 17 April 2019 02:50:51 UTC, Tduell wrote: > > > >>>> > > > >>>> On Wed, 17 Apr 2019 06:48:01 +1000, Kameldýrið > > > >>>> <[email protected]> wrote: > > > >>>> > > > >>>>> Hi. I'm new to hugin an I wanted to know if there's a > > way to > > > stitch > > > >>>>> aerial > > > >>>>> photos. > > > >>>>> I have 4 photos I'd like to stich together but I don't > > know how. > > > >>>>> Any help is appreciated. > > > >>>>> > > > >>>> > > > >>>> Have you read the tutorials ? > > > >>>> <http://hugin.sourceforge.net/tutorials/index.shtml > > <http://hugin.sourceforge.net/tutorials/index.shtml> > > > <http://hugin.sourceforge.net/tutorials/index.shtml > > <http://hugin.sourceforge.net/tutorials/index.shtml>>> > > > >>>> Assuming that your images have a reasonable amount of > > overlap, > > > I'd > > > >>>> suggest > > > >>>> you have a try and if you run into difficulties, then > come > > > back here with > > > >>>> > > > >>>> details of your problems. > > > >>>> > > > >>>> Cheers, > > > >>>> -- > > > >>>> Regards, > > > >>>> Terry Duell > > -- > David W. Jones > [email protected] <javascript:> > wandering the landscape of god > http://dancingtreefrog.com > -- A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ --- You received this message because you are subscribed to the Google Groups "hugin and other free panoramic software" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/hugin-ptx/bcb93dee-6b6f-4ea5-891e-7418842bef8a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
