Collected EXIF related documents

When I started handling the large number of digital pictures coming out of our first digital camera, I decided to write a program to rename the files with the date/time on which the picture was taken. That proved to be a bit of a problem, since much of the exif information was hard to find or else was in Japanese. This page is a collection of JPEG and EXIF information that I have managed to locate.

In the interest of access speed, some of the documents are kept here on this disk as will as being linked at the original owners' location.

Item Name: Description/Comments:

PIMA: Photographic and Imaging Manufacturers Association, Inc. A wealth of information in the standards area.
PIMA15740-2000.PDF Picture Transfer Protocol (original)
TAG2000-21_DIS12234-1.PDF ISO 12234-1 Photography - Electronic still picture cameras - Removable memory - Part 1: Basic removable memory reference model (Item 189.1) (original)
TAG2000-22_DIS12234-2.PDF ISO 12234-2 Photography - Electronic still picture cameras - Removable memory - Part 2: Image data format - TIFF/EP (original)

JEIDA: Japan Electronic Industry Development Association exife.pdf Digital Still Camera Image File Format Standard (original)

jpgmap.c Walks thru the blocks in a jpeg file and documents what it finds. A learning experience.
Uses timemsg.c .

exif_time.c Reads an exif/jpg and extracts the date/time.

exif_desc.c Usually gives the right contents from the description field. Only gets "close" using pointers, then it guesses based on finding a long string of printable data.
See jpgmap.c which contains code that properly locates the "user comments" field.

EXIF Forum Part of EXIF.org

Item Name:	Description/Comments:
PIMA: Photographic and Imaging Manufacturers Association, Inc.	A wealth of information in the standards area. PIMA15740-2000.PDF Picture Transfer Protocol (original) TAG2000-21_DIS12234-1.PDF ISO 12234-1 Photography - Electronic still picture cameras - Removable memory - Part 1: Basic removable memory reference model (Item 189.1) (original) TAG2000-22_DIS12234-2.PDF ISO 12234-2 Photography - Electronic still picture cameras - Removable memory - Part 2: Image data format - TIFF/EP (original)
JEIDA: Japan Electronic Industry Development Association	exife.pdf Digital Still Camera Image File Format Standard (original)
jpgmap.c	Walks thru the blocks in a jpeg file and documents what it finds. A learning experience. Uses timemsg.c .
exif_time.c	Reads an exif/jpg and extracts the date/time.
exif_desc.c	Usually gives the right contents from the description field. Only gets "close" using pointers, then it guesses based on finding a long string of printable data. See jpgmap.c which contains code that properly locates the "user comments" field.
EXIF Forum	Part of EXIF.org

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