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General / Re: dji phantom 4 lens distortion correction+customized shooting time interval
« on: June 06, 2016, 12:15:53 PM »
Hi olivine!
We've processed 4K video from DJI without any additional distortion correction and got results like this:
https://www.geoscan.aero/en/node/192
https://sputnik.geoscan.aero/object/224?accessCode=2p3lv6box2nqmnfgu25wd41ek4guzgp6auuvawadadeeaeupe2
https://sputnik.geoscan.aero/object/120
To process video we used ffmpeg to extract 1 frame pre second like this:
We've processed 4K video from DJI without any additional distortion correction and got results like this:
https://www.geoscan.aero/en/node/192
https://sputnik.geoscan.aero/object/224?accessCode=2p3lv6box2nqmnfgu25wd41ek4guzgp6auuvawadadeeaeupe2
https://sputnik.geoscan.aero/object/120
To process video we used ffmpeg to extract 1 frame pre second like this:
Code: [Select]
ffmpeg -ss 00:00:00 -i Harlech_Castle_4K.mp4 -r 1/1 images/img%03d.jpg