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Playing Back Recorded Video XX128-33-00 Rev 806 Kollector Pro Network Digital Video Recorder
6. If you want to find specific frames where changes occurred in already defined ROIs, use the Detector
Control functions, as follows:
Option Description
This button starts a search, from the current frame forward, for any frames in
which significant differences in ROIs (based on the
Minimum Number of
Blocks selection) are detected. The start time of each detected frame is listed
in the Start Time column in window's Detection List.
As each difference frame is detected, the frame image is displayed in the
Video Display area. The process continues until the end of the time interval is
reached, or until the Stop button is clicked.
This button performs the same actions as the List + Pictures button, but does
not display the frame images. The process continues until the end of the time
interval is reached, or until the
Stop button is clicked.
This button can be used to search for each next frame (one frame each time
the button is clicked) in which there is an applicable difference. The frame
image is displayed in the
Video Display area.
You can view selected frames by clicking their start times in the Detection List. The detected differences
in the frame are indicated by light blue blocks.
You can clear the Detection list by clicking the button.
7. If you want to find "episodes" (sets of consecutive frames in which a significant difference in ROIs is
detected), do the following:
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From the Detect only episode longer than dropdown list, select the length of time over which
changes must continuously occur.
NOTE: The default duration is 1.5 seconds. Values from 0.1 seconds to 5.0 seconds can be selected.
In general, the shorter the duration, the more easily episodes will be detected.