Configuration of the camera
MARLIN Technical Manual
V2.4.0
214
Shading correction
Owing to technical circumstances, the interaction of recorded objects with
one another, optical effects and lighting non-homogeneities may occur in
the images.
Because these effects are normally not desired, they should be eliminated as
far as possible in subsequent image editing. The camera has automatic shad-
ing correction to do this.
Provided that a shading image is present in the camera, the
on/off
bit can
be used to enable shading correction.
The
on/off
and
ShowImage
bits must be set for saved shading images to be
displayed.
Note
L
Always make sure that the shading image is saved at the
highest resolution of the camera. If a lower resolution is cho-
sen and ShowImage is set to
true
, the image will not be dis-
played correctly.
Register
Name
Field
Bit
Description
0xF1000250
SHDG_CTRL
Presence_Inq
[0]
Indicates presence of this
feature (read only)
BuildError
[1]
Could not built shading
image
---
[2..3]
Reserved
ShowImage
[4]
Show shading data as image
BuildImage
[5]
Build a new shading image
ON_OFF
[6]
Shading on/off
Busy
[7]
Build in progress
---
[8..23]
Reserved
GrabCount
[24..31] Number of images
0xF1000254
SHDG_MEM_CTRL
Presence_Inq
[0]
Indicates presence of this
feature (read only)
---
[1..4]
Reserved
EnableMemWR
[5]
Enable write access
EnableMemRD
[6]
Enable read access
---
[7]
Reserved
AddrOffset
[8..31]
In bytes
Table 108: Advanced register:
Shading