Mobotix D15 Manual page 91

91
/112
Image Optimization
Since activated lens distortion correction requires additional processing power, you should
consider disabling it in situations where it is not really necessary. You will only notice a
minimal distortion of the image, especially if you use the zoom. However, the maximum
frame rate for high resolution may be reduced (by 10 to 25 percent), which means you
have to choose between maximum distortion correction or maximum frame rate.
Zoom without distortion correction
Corrected image (zoom)
We recommend activating lens distortion correction, especially for applications with a low
frame rate and non-zoomed images (for example, when using as a webcam). However,
images can usually be corrected at a later point in time when searching recorded images.
This saves on processing power during recording and increases the frame rate. The more
you zoom in on the image, the less distorted the image should appear.
Activate/Deactivate Lens Distortion Correction in the Browser
To activate this option, first specify the lens that you are using in the Admin Menu >
Hardware Configuration > Lens Configuration dialog box (this setting is saved until the
camera is reset to its factory settings). In the the Lens Type Selection field, select L20-L23
(3.6 mm) or L22-L25 (4.0 mm), respectively, then click on Apply and Reboot the camera.
Now select the Lens Distortion Correction option in the Display Mode Quick Control panel.
An automatically corrected (live) image is displayed that can be panned, tilted, or zoomed.
Switching to the Full Image option will deactivate the automatic distortion correction function.
© MOBOTIX AG • Security-Vision-Systems • Made in Germany
www.mobotix.com • sales@mobotix.com