— 42 —
The following shading correction modes are available on the camera.
■
FlatShading
Correction is performed using the area of the screen with the highest brightness level
as the reference, and adjusting the brightness levels of the other areas to match this
level.
2176 (Total size 64blocks)
1664
(T
ota
l S
ize
43
blo
ck
s)
2064 (Effective pixels)
1544 (
Eff
ec
tiv
e p
ix
els
)
Shading
AP-3200T-10GE
Shading Correction
The ShadingCorrection function corrects non-uniformity (i.e., shading) in the amount of light
generated by the lens and lighting equipment. Using this function allows correction even if top,
bottom, left, and right shading is not symmetrical in relation to the center of the screen (H, V).
This function can be used even when the effective image area is limited (an area with both Width
and Height set to more than 128 must be configured) by the ROI function. In such cases, the
correction area is included in the image area configured by the ROI.
For a full image, the number of correction blocks is 17 (H) × 13 (V) blocks and calculation errors
in the correction data are minimized due to the small interpolation areas. Each block is 128 × 128
pixels. The total size of the blocks is 2176 (H) × 1664 (V), but the actual number of effective
pixels for the camera is 2064 (H) × 1544 (V). The ineffective peripheral areas will be deleted
internally on the camera automatically.
When using ROI, the number of blocks and the number of pixels that comprise each block differ
from a full image.