Pictures taken on an iPhone have a proprietary section in the image metadata that among other things, can include accelerometer data and focus area information.
https://exiftool.org/TagNames/Apple.html
https://www.awaresystems.be/imaging/tiff/tifftags/privateifd/exif/subjectarea.html
This tool consist of a simple Python script that can:
- Create a plot of the accelerometer information
Example:
- Highlight the focus subject area
Example (see red rectangle)
- matplotlib for drawing images
- pandas for easy CSV file conversion
- exiftool for extracting EXIF data
- imageMagick for drawing atop the image
usage: ios_advanced_exif_analyzer.py [-h] [-i INPUT_FILE]
options:
-h, --help show this help message and exit
-i INPUT_FILE, --input-file INPUT_FILE
iPhone image filename