Image Processing Reference
In-Depth Information
Table 3.3
Some different colors and their representation in the different color spaces. ND
=
Not Defined
Color
(R, G, B)
(r, g, b)
(r, g, I)
(H, S, I)
(H, S, V)
(Y, U, V)
(Y, C
b
,C
r
)
Red
(
255
,
0
,
0
)
(
1
,
0
,
0
)
(
1
,
0
,
85
)
(
0
,
1
,
85
)
(
0
,
1
,
255
)
(
76
,
−
37
,
157
)
(
76
,
85
,
255
)
Yellow
(
255
,
255
,
0
)
(
1
/
2
,
1
/
2
,
0
)
(
1
/
2
,
1
/
2
,
170
)
(
60
,
1
,
170
)
(
60
,
1
,
255
)
(
226
,
−
111
,
26
)
(
226
,
255
,
149
)
Green
(
0
,
255
,
0
)
(
0
,
1
,
0
)
(
0
,
1
,
85
)
(
120
,
1
,
85
)
(
120
,
1
,
255
)
(
150
,
−
74
,
−
131
)
(
150
,
100
,
115
)
Cyan
(
0
,
255
,
255
)
(
0
,
1
/
2
,
1
/
2
)
(
0
,
1
/
2
,
170
)
(
180
,
1
,
170
)
(
180
,
1
,
255
)
(
179
,
38
,
−
157
)
(
179
,
171
,
0
)
Blue
(
0
,
0
,
255
)
(
0
,
0
,
1
)
(
0
,
0
,
85
)
(
240
,
1
,
85
)
(
240
,
1
,
255
)
(
29
,
111
,
−
26
)
(
29
,
255
,
107
)
Magenta
(
255
,
0
,
255
)
(
1
/
2
,
0
,
1
/
2
)
(
1
/
2
,
0
,
170
)
(
300
,
1
,
170
)
(
300
,
1
,
255
)
(
105
,
74
,
131
)
(
105
,
212
,
235
)
Black
(
0
,
0
,
0
)
(
0
,
0
,
0
)
(
0
,
0
,
0
)
(
ND
,
0
,
0
)
(
ND
,
0
,
0
)
(
0
,
0
,
0
)
(
0
,
128
,
128
)
White
(
255
,
255
,
255
)
(
1
/
3
,
1
/
3
,
1
/
3
)
(
1
/
3
,
1
/
3
,
255
)
(
ND
,
0
,
255
)
(
ND
,
0
,
255
)
(
255
,
0
,
0
)
(
255
,
128
,
128
)
25% white
(
64
,
64
,
64
)
(
1
/
3
,
1
/
3
,
1
/
3
)
(
1
/
3
,
1
/
3
,
64
)
(
ND
,
0
,
64
)
(
ND
,
0
,
64
)
(
64
,
0
,
0
)
(
64
,
128
,
128
)
50% white
(
128
,
128
,
128
)
(
1
/
3
,
1
/
3
,
1
/
3
)
(
1
/
3
,
1
/
3
,
128
)
(
ND
,
0
,
128
)
(
ND
,
0
,
128
)
(
128
,
0
,
0
)
(
128
,
128
,
128
)
25% Blue
(
0
,
0
,
64
)
(
0
,
0
,
1
)
(
0
,
0
,
21
)
(
240
,
1
,
21
)
(
240
,
1
,
64
)
(
7
,
28
,
−
6
)
(
7
,
160
,
123
)
50% Blue
(
0
,
0
,
128
)
(
0
,
0
,
1
)
(
0
,
0
,
43
)
(
240
,
1
,
43
)
(
240
,
1
,
128
)
(
15
,
58
,
−
13
)
(
15
,
192
,
118
)
75% Blue
(
0
,
0
,
192
)
(
0
,
0
,
1
)
(
0
,
0
,
64
)
(
240
,
1
,
64
)
(
240
,
1
,
192
)
(
22
,
84
,
−
19
)
(
22
,
224
,
112
)
Orange
(
255
,
165
,
0
)
(
0
.
6
,
0
.
4
,
0
)
(
0
.
6
,
0
.
4
,
140
)
(
40
,
1
,
140
)
(
39
,
1
,
255
)
(
173
,
10
,
72
)
(
173
,
30
,
186
)
Pink
(
255
,
192
,
203
)
(
0
.
4
,
0
.
3
,
0
.
3
)
(
0
.
4
,
0
.
3
,
217
)
(
351
,
0
.
1
,
217
)
(
350
,
0
.
2
,
255
)
(
212
,
−
4
,
57
)
(
212
,
123
,
157
)
Brown
(
165
,
42
,
42
)
(
0
.
6
,
0
.
2
,
0
.
2
)
(
0
.
6
,
0
.
2
,
83
)
(
0
,
0
.
5
,
83
)
(
0
,
0
.
7
,
165
)
(
79
,
−
18
,
76
)
(
79
,
107
,
190
)
