FLIR Voyager III Operator's Manual page 36

Voyager III Firefighter Mode and Tracking
When tracking is enabled, you manually identify a region of interest. The tracker
detects targets in the region of interest based on an analysis of contrasting and
homogeneous areas, motion, and other distinctive factors. When you engage the
tracker, the system attempts to follow the target. You can fine-tune the region of
interest and make other manual adjustments.
The following figure illustrates how the system might look when you first enable
tracking. In this picture, the system is ready to track but is not yet engaged in
tracking.
The letters at the top of the screen (CORR) indicate the method the system is
currently using for acquiring targets in the region of interest. This method is called
an acquisition algorithm, and you can select from four algorithms.
The outer black box in the center of the screen is the acquisition window. It has a
default size of 160 x 120 pixels, and defines the area of the scene in which a
target can potentially be acquired. The size of the acquisition window can be
changed using the puck. The default size is optimized to provide the best
processing power for the tracker (not too large) and ease of use for the operator
(not too small).
When the tracker is actually engaged in tracking, the acquisition window no
longer displays.
The box within the acquisition window (white in the above figure) is the tracking
gate. It has three states, indicated by the color:
• White indicates that the tracker is in acquisition mode and not actively tracking
a target. The area within the tracking gate identifies a potential target.
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Currently active algorithm (CORR is Correlation)
Tracking gate disengaged
432-0005-00-10 Rev 100 — Voyager III Operator's Manual
Center of acquisition
region
Acquisition window