LevelOne FCS-5051 Manual - Page 61

Con Fisheye Cameras

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OneSecure Video Management Software Amdinstrator Manual V3.0.09 1 2 3 4. After a tour is saved, it is available on Live View pagePTZ control panel. Note The preset points and tour set in OneSecure are independent from those you set on device. If you have already defined certain preset points or tour on device, they will not be brought to NVR system. On the other hand, the settings on OneSecure will not write to the devices. Configure Fisheye Cameras With hemispherical lenses, fisheye cameras generate images at up to 360-degree width, which can cover all four corners of a room or both sides of a long aisle. As the original image captured by wide-angle lens is much distorted, to suit most monitoring purposes, the Dewarping process is required to alter the uneven lines and shapes before the images are displayed. Nowadays, the fisheye cameras come in two types in terms of the image-correction capability:  Fisheye Cameras with in-camera dewarping function The dewarping takes place in camera before the video is output to NVR server. Since the image correction counts on the camera itself, NVR server will not bear much extra loading, which benefits the system requiring many of these fisheye cameras.  Fisheye Cameras without dewarping function These fisheye cameras output only original global images, relying on software algorithm processing provided by NVR sever to correct the images. They are suitable for a system with limited bandwidth, for NVR server processes and responds to User's ePTZ manipulation or demands for changing view modes immediately, without waiting for camera side to deliver a new frame. OneSecure makes it possible to integrate both kinds of fisheye cameras into your system with the following advantages: 61

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OneSecure Video Management Software Amdinstrator Manual V3.0.09
61
4.
After a tour is saved, it is available on
Live View
page
PTZ control
panel.
Configure Fisheye Cameras
With hemispherical lenses, fisheye cameras generate images at up to 360-degree width,
which can cover all four corners of a room or both sides of a long aisle. As the original image
captured by wide-angle lens is much distorted, to suit most monitoring purposes, the
Dewarping
process is required to alter the uneven lines and shapes before the images are
displayed.
Nowadays, the fisheye cameras come in two types in terms of the
image-correction capability:
Fisheye Cameras
with
in-camera dewarping function
The dewarping takes place in camera before the video is output to NVR server. Since the
image correction counts on the camera itself, NVR server will not bear much extra loading,
which benefits the system requiring many of these fisheye cameras.
Fisheye Cameras
without
dewarping function
These fisheye cameras output only original global images, relying on software algorithm
processing provided by NVR sever to correct the images. They are suitable for a system with
limited bandwidth, for NVR
server processes and responds to User’s ePTZ manipulation or
demands for changing view modes immediately, without waiting for camera side to deliver a
new frame.
OneSecure makes it possible to integrate both kinds of fisheye cameras into your system with
the following advantages:
1
3
2
Note
The preset points and tour set in OneSecure are independent from those you set on device. If
you have already defined certain preset points or tour on device, they will not be brought to NVR
system. On the other hand, the settings on OneSecure will not write to the devices.