00
01
02
03
04
05
06
07
08
09
0a
0b
0c
0d
0e
0f
10
11
12
13
14
15
16
17
18
19
1a
1b
1c
1d
1e
1f
20
21
22
23
24
25
26
27
28
29
2a
2b
2c
2d
2e
2f
30
31
32
33
34
35
36
37
38
39
3a
3b
3c
3d
3e
3f
40
41
42
43
44
45
46
47
48
49
4a
4b
4c
4d
4e
4f
50
51
52
53
54
55
56
57
58
59
5a
5b
5c
5d
5e
5f
60
61
62
63
64
65
66
67
68
69
6a
6b
6c
6d
6e
6f
70
71
72
73
74
75
76
77
78
79
7a
7b
7c
7d
7e
7f
80
81
82
83
84
85
86
87
88
89
8a
8b
8c
8d
8e
8f
90
91
92
93
94
95
96
97
98
99
9a
9b
9c
9d
9e
9f
a0
a1
a2
a3
a4
a5
a6
a7
a8
a9
aa
ab
ac
ad
ae
af
b0
b1
b2
b3
b4
b5
b6
b7
b8
b9
ba
bb
bc
bd
be
bf
c0
c1
c2
c3
c4
c5
c6
c7
c8
c9
ca
cb
cc
cd
ce
cf
d0
d1
d2
d3
d4
d5
d6
d7
d8
d9
da
db
dc
dd
de
df
e0
e1
e2
e3
e4
e5
e6
e7
e8
e9
ea
eb
ec
ed
ee
ef
f0
f1
f2
f3
f4
f5
f6
f7
f8
f9
fa
fb
fc
fd
fe
ff
00
02
04
06
08
0a
0c
0e
01
03
05
07
09
0b
0d
0f
20
22
24
26
28
2a
2c
2e
21
23
25
27
29
2b
2d
2f
40
42
44
46
48
4a
4c
4e
41
43
45
47
49
4b
4d
4f
60
62
64
66
68
6a
6c
6e
61
63
65
67
69
6b
6d
6f
80
82
84
86
88
8a
8c
8e
81
83
85
87
89
8b
8d
8f
a0
a2
a4
a6
a8
aa
ac
ae
a1
a3
a5
a7
a9
ab
ad
af
c0
c2
c4
c6
c8
ca
cc
ce
c1
c3
c5
c7
c9
cb
cd
cf
e0
e2
e4
e6
e8
ea
ec
ee
e1
e3
e5
e7
e9
eb
ed
ef
10
12
14
16
18
1a
1c
1e
11
13
15
17
19
1b
1d
1f
30
32
34
36
38
3a
3c
3e
31
33
35
37
39
3b
3d
3f
50
52
54
56
58
5a
5c
5e
51
53
55
57
59
5b
5d
5f
70
72
74
76
78
7a
7c
7e
71
73
75
77
79
7b
7d
7f
90
92
94
96
98
9a
9c
9e
91
93
95
97
99
9b
9d
9f
b0
b2
b4
b6
b8
ba
bc
be
b1
b3
b5
b7
b9
bb
bd
bf
d0
d2
d4
d6
d8
da
dc
de
d1
d3
d5
d7
d9
db
dd
df
f0
f2
f4
f6
f8
fa
fc
fe
f1
f3
f5
f7
f9
fb
fd
ff
Y0
Y1
Y2
Y3
sensor Bayer dataRe-arrangement of the pixels that groups each color componet togetherFour 8x8 pixel blocks ready for compression. Dummy blocks are removed as the diffrential encoding requires modification of the libjpeg anyway

Modified JP4 mode (JP4D): primary green color (G) is encoded as absolute data (Y1), three other color components use difference from G: Y0=R-G, Y1=G, Y2=G2-G, Y3=B-G



See more examples of the color conversion (you may generate them from your data sets too) at http://community.elphel.com/jp4