JEITA CP-3451
- 108 -
A.3
JPEG Compressed (4:2:2) File
Table 36 JPEG Compressed (4:2:2) File Description Sample Contents
Primary Image
Recording Format
JPEG
Subsampling
YCC 4:2:2
Restart Markers
Inserted
Quantization Tables
3
Pixels
640 (W) x 480 (H)
Image Title
Exif_JPEG_422
Image Input Equipment Manufacturer
DS Company
Image Input Equipment Model Name
Example
Orientation
Normal
Image Resolution
72 dpi (Width), 72 dpi (Length)
File Change Date and Time
1997:09:01 12:00:00
Copyright
Copyright, ABCDE,1997
Exif-specific Information
Version
Ver. 2.0
Date and Time of Original Image Creation
1997:09:01 12:00:00
Date and Time of File Creation
1997:09:01 12:00:00
Components
Y,Cb,Cr
Image Compression Mode
2bit/pel
Shutter Speed
59/10 (equivalent to 1/60 sec.)
Aperture
50/10 (equivalent to F:5.6)
Brightness
80/10
Exposure Bias
0/0
Maximum Lens Aperture
200/10
Subject Distance
20/10
Metering Mode
MultiSpot
Light Source
Daylight
Flash ON/OFF
ON
Thumbnails
Recording Format
JPEG
Subsampling
YCC 4:2:2
Pixels
80 (W) x 60 (H)
Image Resolution
72 dpi (Width), 72 dpi (Length)
Table 37 JPEG Compressed (4:2:2) File JPEG Stream Description Sample
Offset
(Hex)
Maker Segment
Name
Code
(Hex)
Comment
0000
SOI
SOI Marker
FFD8
Start of Image
0002
APP1 Marker
FFE1
0004
APP1 Length
291C
0006
Identifier
"Exif"00
000B
Pad
00
000C
APP1
APP1 Body
See Next Table
0E39
DQT Marker
FFDB
Define Quantization Table
0E3B
DQT Length
00C5
0E3D
Pq, Tq
00
0E3E
table elements
100B0C0E.....
64 Bytes of Data
0E7E
Pq,Tq
01
0E7F
table elements
0F101016....
64 Bytes of Data
0EBF
Pq,Tq
02
0EC0
DQT
table elements
0F101016....
64 Bytes of Data