Datasheet

SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
894
Figure 38-5. Resize Examples
38.4.4.2 Color Space Conversion
This module converts YCrCb or YUV pixels to RGB color space. Clipping is performed to ensure that the samples
value do not exceed the allowable range. The conversion matrix is defined below and is fully programmable:
Example of programmable value to convert YCrCb to RGB:
An example of programmable value to convert from YUV to RGB:
1280
1024
480
640
32/16 decimation
1280
1024
288
352
56/16 decimation
R
G
B
C
0
0 C
1
C
0
C
2
– C
3
–
C
0
C
4
0
YY
off
–
C
b
C
boff
–
C
r
C
roff
–
×=
R 1.164 Y 16–()⋅ 1.596 C
r
128–()⋅+=
G 1.164 Y 16–()0.813 C
r
128–()⋅– 0.392 C
b
128–()⋅–⋅=
B 1.164 Y 16–()⋅ 2.107 C
b
128–()⋅+=





RY1.596 V⋅+=
GY0.394 U⋅– 0.436 V⋅–=
BY2.032 U⋅+=




