6
MODE INTRODUCTION
Wide Area Mode
Application
This mode is suitable for teacher or lecturer tracking in normal classroom. The algorithm is
based on face detection.
Regardless of the target close to or away from / , the tracking camera will
automatically zoom in/out to maintain the appropriate size and proportion.
If the tracking target is locked, / will not be affected by the other moving
objects.
Limitation
This mode is easily affected by the brown objects or the color similar to skin. Things like cartons
and wood furniture.
It should be used in bright environment. If the light is not enough, it will cause /
unable to distinguish the target face and lead to the tracking failure.
It could not be used on the environment with high bright contrast. For example, the
environment is with IFP or projectors. When the target enters or leaves the high bright contrast
zone, it is risky for / to lose the tracking target.
Install height range (from floor):
2 ~ 3m;
2.4m
is suggested.
Distance range to podium:
4~15m;
8m
is suggested.
Position:
Center of class room.
Podium
Blackboard
8m
Center of class room
