Re: [Lensfun-users] Lens 173

could develop more robust methods to get useful values for this field (something like how exiftool derives values for its "composite" tags), but I've never looked very hard at the exiv2 API, and don't really want to at this point. ;-) -- jys _

Re: [Lensfun-users] Lens 173

ens_Recognition_in_Exiv2_v026_(and_later)/ (Archive link because site seems to have problems lately.) You could try opening an issue here: https://github.com/Exiv2/exiv2/issues ...but you might just end up being pointed to that first link again. ;-) -- jys ___

Re: [Lensfun-users] Distortion, TCA and vignetting calibration for Tamron SP 24-70mm F/2.8 Di VC USD G2 (A032)

="0.6781" k3="-0.2688"/> > >> >> distance="10" k1="-0.8093" k2="0.4443" k3="-0.3284"/> > >> >> distance="1000" k1="-0.8093" k2="0.4443" k3="-0.3284

Re: [Lensfun-users] GoPro Hero 6 lens correction

stortions around within the frame... who knows what else. If somebody wants to try to maintain that corner of the database, more power to them, but it's not really the thing I'm personally most likely to spend time banging my head against. ;) -- jys __

Re: [Lensfun-users] GoPro Hero 6 lens correction

On Sun, Mar 17, 2019, at 09:10, Ariel Elkin wrote: > jys, could you please elaborate on how you obtained your k1 and k2 values? In that model, k1 and k2 basically correspond to the c and a parameters, respectively, of the familiar panotools model[1] used by hugin, lensfun, etc... I mad

Re: [Lensfun-users] GoPro Hero 6 lens correction

ling before the lenscorrection filter to retain more edge content; I don't know the best way to do that in ffmpeg offhand, though. -- jys On Sat, Mar 16, 2019, at 12:17, Ariel Elkin wrote: > Hello, > > I’d like to use lensfun to do lens correction on footage from a GoPro HER

Re: [Lensfun-users] GoPro Hero 6 lens correction

ting correction. The aspect ratio for that profile is 4:3, which is another hint that it probably isn't compatible with the Hero 6 (but I also don't know anything about GoPros). -- jys ___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users

Re: [Lensfun-users] vignetting under-correction

st the results on some real-world blue-sky images or similar, to show up any over-correction (the likeliest problem). Good luck! -- jys ___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users

Re: [Lensfun-users] New lensfun calibration script

d for distributing a large database of generalized correction parameters that have been abstracted from any instance-specific details as much as possible, though... just my two cents. :) -- jys ___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users

Re: [Lensfun-users] New lensfun calibration script

ly, maybe it could only require scipy if that operation is called? This might make it easier for people who only want to do the other corrections to use the script. In any case, thanks for your work! -- jys ___ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users

Re: [Lensfun-users] Alpha release 0.3.95

s-platform software like darktable and RawTherapee could easily implement a button to check for updates, or an option to do this periodically, it might be another incentive to adopt the new version? In any case, thanks for the work up to now! :) -- jys ---

Re: [Lensfun-users] Alpha release 0.3.95

r myself the maintainer of the script, and because I can't test it on Windows, but I've been using it successfully on Linux. -- jys -- Check out the vibrant tech community on one of the world's most e

Re: [Lensfun-users] list of products that use lensfun

On Wed, Jun 27, 2018, at 17:47, Šarūnas wrote: > On 06/27/2018 04:55 PM, jys wrote: > > In the commercial sector, I'm also aware of: > > > > On1 Photo Raw > > Affinity Photo > > ACDSee > > Aftershot Pro > > As far as I know AftershotPro d

Re: [Lensfun-users] list of products that use lensfun

able > gimp-lensfun > digikam-private-libs In the commercial sector, I'm also aware of: On1 Photo Raw Affinity Photo ACDSee Aftershot Pro Exposure X3 (but you knew that) -- jys -- Check out the vibrant tech

Re: [Lensfun-users] Vignettes not getting processed

: are you naming the directories exactly as described here? http://wilson.bronger.org/lens_calibration_tutorial/#id3 That is, one named "vignetting", and subdirectories for distances other than infinity (if ap

Re: [Lensfun-users] Error when attempting TCA correction - Hugin Tools Missing

ly *essential* for vignetting correction, but it does make running tca_correct on multiple files and inserting the values into the profile more convenient than using it manually. I often end up making the corrections manually in darktabl

Re: [Lensfun-users] Adding new corrections and creating corrections from user submissions

or anything involving the Lensfun software itself, AFAIK this list and associated Sourceforge repository are still the place. -- jys -- Check out the vibrant tech community on one of the world's most engag

Re: [Lensfun-users] Adding new corrections and creating corrections from user submissions

valuable resource whether the original Lensfun project is actively maintained or not, I would say. The database format and correction functions are well documented... -- jys -- Check out the vibrant tech community on on

Re: [Lensfun-users] Adding new corrections and creating corrections from user submissions

the files for a submission that I'm actually planning to work on. Nice to see a software vendor offering to contribute to the project! -- jys -- Check out the vibrant tech community on one of