JEITA CP-3451
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Figure 5 Basic Structure of Uncompressed Data Files
File Headers are 8 bytes as defined in the TIFF standard, with the Offset of IFD indicating the start address of the
0th IFD (see Table 1).
The 0th IFD Offset of Next IFD indicates the start address of the 1st IFD (thumbnail images). When the 1st IFD is
not recorded, the 0th IFD Offset of Next IFD terminates with 00000000.H.
On the IFD description method see section 4.6.2.
TIFF Header
0th IFD for
Primary Image
Data
............... .
Next IFD Pointer
Exif Version
DateTimeDigitized
............... .
ImageWidth
StripOffsets
...............
...............
Exif IFD Pointer
GPS IFD Pointer
GPS Version
...............
ImageWidth
StripOffsets
................
.... Value of 0th IFD ....
Exif IFD
(Exif Private Tag)
GPS IFD
(GPS Info Tag)
1st IFD for
Thumbnail Data
... Value of 1st IFD ...
Thumbnail Data
... Value of Exif IFD ....
.... Value of GPS IFD ....
Primary Image
Data
Strip 1
Strip 2
.........
Strip L
