CHAPTER 2
2 - 37
COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
1
2
3
4
5
6
7
8
A
A
A
A
A
A
A
A
1
2
3
4
5
6
7
8
B
B
B
B
B
B
B
B
1
2
3
4
5
6
7
8
C
C
C
C
C
C
C
C
1
2
3
4
5
6
7
8
D
D
D
D
D
D
D
D
9
10
9
10
9
10
9
10
A
A
B
B
C
C
D
D
1
2
3
4
5
6
7
8
E
E
E
E
E
E
E
E
LSB
MSB
Lower 8 bits of
pixels A to D
Higher 2 bits of
pixels A to D
......
Figure 2-28
Figure 2-28 shows the packing process; four 10 bits of pixels A, B, C, and D are divided into
higher 2 bits and lower 8 bits, then converted into five 8 bits of image data.