Is there a problem using 9x16 aspect ratio pictures

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i'm trying create lens profiles gopro hero2 camera (i have succsesfully created profiles photo mode) cannot same video mode. have extracted 9 photos video streams lens profile creator allways comes following error message "generate lens profile failed because camera model solver failed find solution."?

 

the calibration & grid detection seems recognize , able process images.

 

is "model solver" looking 3x4 image in it's calculations?

that should work long checkerboard chart used shoot has 1:1 black/white squares. model solver not assume input image aspect ratio or square pixels. error message says not find solution. try give more images. images have exif metadata describes focal length of lens used? useful algorithm out. use exiftool inject such metadata if missing image.



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