Introduction
The section covers the Clutter Map and the Clutter Floor: their definitions, purposes and how to create a Clutter Floor.
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Overview
The Clutter Map is a record of static, unchanging objects that are within view of the radar sensor. Clutter Maps are created and used as reference points for radar sensors and their trackers so that they can better concentrate on objects that are moving. The creation and maintenance of the Clutter Map is an automatic process and is continually updated whilst the software is in operation.
However, a Clutter Floor is required to overcome the limitations of a Clutter Map. On busy highways, large vehicles can obscure the background scene which prevents the Clutter Map updating correctly. Manually capturing a Clutter Floor sets a base line for the Clutter Map which is maintained even when the radar has limited visibility.
For a new installation you need to create a new Clutter Floor for each radar sensor. During operation, it may be necessary to periodically update each Clutter Floor to take account of major changes in the environment, e.g. long term road works, significant changes to trees and hedgerows.
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