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Beginning with version 1.2.6, exifprobe reports the structure of
Print Image Matching sections, according to information provided by
evan@ozhiker.com on the web page at
http://www.ozhiker.com/electronics/pjmt/jpeg_info/pim.html
The meaning of the PIM tags and the interpretation of the 4 bytes
of data in each entry are not known. Exifprobe prints the tags by
hexadecimal number, and prints the data in two formats: a "hex dump"
of each data entry, followed by the hex and decimal values of the data
interpreted as unsigned long integers in the prevailing byteorder of the
Exif data.
Print IM is a feature of Epson Printers, supported by several camera
manufacturers. The PrintIM section is included in either the first TIFF
IFD or in the MakerNote, or both. The section records a "profile"
indicating certain transformations which the manufacturer finds will
improve the image presentation on a PrintIM-enabled printer. Epson
provides a FAQ at
http://www.printimagematching.com/faq4.php
which better describes Print Image Matching.
According to the FAQ, the values provided in the PrintIM section may
include:
Gamma Level
Color Space
Color Balance
Contrast
Brightness
Sharpness
Saturation
Shadow
Highlight
PIM version II also may include
Noise Reduction
Custom Scene setting
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