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Images are cropped too much #11

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arn13 opened this issue Dec 6, 2017 · 3 comments
Open

Images are cropped too much #11

arn13 opened this issue Dec 6, 2017 · 3 comments

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@arn13
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arn13 commented Dec 6, 2017

Sorry to bother you again, but after having run opencv_calibrate.py successfully i end up with calibration pictures that are cropped in very far. consequently running undistort.py with these settings gets me unusable images. I noticed that the sample images the same effect if not to that extend. Is there a way I can correct that? Maybe take new calibration images from a shorter distance?

dji_0001
dji_0001_chess_undistorted

@dakotabenjamin
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I think you're right. Try to take images where the chessboard takes up more of the frame.

@dakotabenjamin
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Did you manage to get it working?

@arn13
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arn13 commented Dec 13, 2017

I did not have time to take new pictures yet.
The only thing I did test so far is to transform a set of images using a camera profile in raw therapee.
The profile is linked in this forum: https://mavicpilots.com/threads/lightroom-lense-correction-for-mavic.2484 Its just now that i read I is for dng-files only...
I compared the orthomosaics that resulted from the corrected
and uncorrected images and could not find significant differences.

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