Pike Technical Manual
V5.2.0
152
Description of the data path
•
On the left you see the image after shading correction.
•
The surface plot on the right clearly shows nearly no more gradient of the
brightness (0: brightest
255: darkest pixels). The remaining gradient is
related to the fact that the source image is lower than 50% on the right
hand side.
•
The histogram shows a peak with very few different gray values.
Figure 78: Example of shaded image
surface plot
histogram
255.0
0.0
48
0.0
p
ix
els
640.
0 pix
els
256
0
Count: 307200
Min: 139
Mean: 157.039
Max: 162
StdDev: 2.629
Mode: 158 (84449)