Exchangeable image file format
https://zh.wikipedia.org/wiki/EXIF
Exif 2.3 official standard (extracted from the wiki above)
http://www.cipa.jp/std/documents/e/DC-008-2012_E.pdf
https://www.media.mit.edu/pia/Research/deepview /exif.html
Python Exif parsing module
https://pypi.org/project/exif/
JPEG Rotation and EXIF Orientation field, (Interpretation of image rotation field)
https://www.impulseadventure.com/photo/exif-orientation.html
Figure Worm EXIF Viewer
https://exif.tuchong.com/