4-(25)
Checking Image Density Distribution: Line Brightness
Section 4-4
4-4
Checking Image Density Distribution: Line Brightness
The graph showing the density distribution for 1 line in an image is called the
line brightness graph. The line brightness can be shown for any line in a hori-
zontal or vertical direction.
CHECK
Line brightness cannot be shown in the following circumstances:
• When the image is either Last NG (before scroll) or Last NG (after scroll)
• When the image size is set to Reduced
SeeAlso
Refer to
6(&7,216\VWHP6HWWLQJV
.
CHECK
Using Line Brightness
• Use to check if the light distribution is uneven.
Line brightness
Graph line
The graph lines displayed
at the left of the screen
indicate density distribution
for vertical lines.
Graph line
The graph lines displayed at the bottom
of the screen indicate density distribution
for horizontal lines.
Minimum to maximum density
for horizontal lines
Minimum to maximum density
for vertical lines
Density range
X: 36 - 235
Y: 20 - 232
0
0
Horizontal line density
Vertical line
density
255
255
Vertical line
Use the Left and Right Keys
to move this line to where the
density is to be checked.
Horizontal line
Use the Up and Down Keys to
move this line to where the density
is to be checked.
If a homogeneous color is being displayed
but the graph has an incline, it indicates
that the lighting is uneven.
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