Bosch VDN-498V03-21 User Manual - Page 56

WDR Wide Dynamic Range

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FlexiDome2X | en 63 VMD V Video Motion Detection: An algorithm for motion detection in which the camera compares the current image with a reference image and counts the number of pixels that have changed between the two images. An alarm is generated when the number of pixel changes exceeds a user-configured threshold. W WDR (Wide Dynamic Range) A camera's dynamic range is the difference between the minimum and maximum acceptable signal levels. A scene with both very low and very high illumination levels requires a camera with a wide dynamic range to handle it correctly and produce a useful image. Bosch Security Systems Installation Manual AR18-08-B010 | v1.0 | 2009.03

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FlexiDome2X
| en
63
Bosch Security Systems
Installation Manual
AR18-08-B010 | v1.0 | 2009.03
V
VMD
Video Motion Detection: An algorithm for motion detection in
which the camera compares the current image with a reference
image and counts the number of pixels that have changed
between the two images. An alarm is generated when the
number of pixel changes exceeds a user-configured threshold.
W
WDR (Wide Dynamic Range)
A camera’s dynamic range is the difference between the
minimum and maximum acceptable signal levels. A scene with
both very low and very high illumination levels requires a
camera with a wide dynamic range to handle it correctly and
produce a useful image.