jdhao / jdhao/jdhao.github.io

2019/07/31/image_rotation_exif_info/

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Description

JPEG Image Orientation and Exif - jdhao's blog

The other day I came across a strange bug during work. My colleagues gave me some photographs taken with a smartphone. On their machines (Windows 7), all the photos were shown correctly in landscape mode. However, when I checked those photos, I found that some of those photos were shown in portrait mode (rotated 90 or 270 degrees) or upside-down (rotated 180 degrees).
I was curious what happened and learned about Exif and all its related stuff.

https://jdhao.github.io/2019/07/31/image_rotation_exif_info/

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Assessment

Domain
content
Issue type
Documentation
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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