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4
votes
Accepted
Is exiftran still needed today for resetting the orientation of JPEG images?
Or multiple programs may treat the rotation flag differently resulting in different orientations being displayed. …
2
votes
Why do some pictures rotated with exiftran have a vertical line on the right?
The JPEG algorithm uses a combination of lossy and lossless steps. The algorithm breaks up an image into 8x8 blocks, known as Minimum Coding Units (MCU). If an image has dimensions that are not divisi …
1
vote
What can I do about non-rotated images on a digital picture frame?
orientation tag:
jpegtran -copy all -rotate 90 -outfile output.jpg input.jpg
However, it does come with a utility exifautotran that reads the orientation tag and calls jpegtran to perform the actual rotation …