JEITA CP-3451
- 41 -
4
=
Three-chip color area sensor
5
=
Color sequential area sensor
7
= Trilinear sensor
8
=
Color sequential linear sensor
Other
=
reserved
FileSource
Indicates the image source. If a DSC recorded the image, this tag value of this tag always be set to 3, indicating
that the image was recorded on a DSC.
Tag
= 41728 (A300.H)
Type
= UNDEFINED
Count
= 1
Default
= 3
3
= DSC
Other
=
reserved
SceneType
Indicates the type of scene. If a DSC recorded the image, this tag value shall always be set to 1, indicating that the
image was directly photographed.
Tag
=
41729 (A301.H)
Type
=
UNDEFINED
Count
=
1
Default
=
1
1
=
A directly photographed image
Other
=
reserved
CFAPattern
Indicates the color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is
used. It does not apply to all sensing methods.
Tag
=
41730 (A302.H)
Type
=
UNDEFINED
Count
=
ANY
Default
=
none
Figure 15 shows how a CFA pattern is recorded for a one-chip color area sensor when the color filter array is
repeated in m x n (vertical x lateral) pixel units.
Length
Type
Meaning
2
SHORT
Horizontal repeat pixel unit = n
2
SHORT
Vertical repeat pixel unit = m
1
BYTE
CFA value [0.0]
:
:
:
1
BYTE
CFA value [n-1.0]
1
BYTE
CFA value [0.m-1]
:
:
:
1
BYTE
CFA value [n-1.m-1]
Figure 15 CFA Pattern Description