© 2009 IDS Imaging Development Systems GmbH
79
8 Applications
Histogram
Select
®
Histogram
to open the Histogram window. This window graphically displays
the frequency distribution of the color values in the image captured by the camera. The histogram
always displays 256 values per channel. For color modes with a bit depth of more than 8 bits, the
function evaluates the 8 most significant bits (MSBs).
The following options are available:
·
Channel
With the
Red
,
Green
, and
Blue
check boxes, you can enable or disable the display for each color
channel.
Avg.
displays the average of each color value.
For monochrome images, the average grayscale value is displayed.
·
Outlined
The
Outlined
check box enables you to toggle the color value display between an area diagram
and a line diagram.
·
Logarithmic
If you select this check box, the values are displayed with logarithmic scaling.
·
Show Bayer RGB
This function is only available when a color camera is running in
Direct raw Bayer
mode. If you
select this check box, the histogram represents the individual Bayer color components as red,
green and blue channels.
Figure 69: View menu – Histogram window