(1) Find the ImageNet (ILSVRC2012) images possessing EXIF orientation metadata.
(2) Of those images, find which ones have the "correct" EXIF orientation.
The last time I measured ImageNet JPEGs with EXIF orientation metadata, the number of affected images was actually quite small (< 100, out of a dataset of 1.28M). There are also some duplicates, but altogether it seems fairly "clean."
(1) Find the ImageNet (ILSVRC2012) images possessing EXIF orientation metadata.
(2) Of those images, find which ones have the "correct" EXIF orientation.