Time Synchronization and Clock Drift Management in Camera Networks
Time Synchronization and Clock Drift Management in Camera Networks
Accurate timestamps are critical for correlating events across cameras
Accurate timestamps are critical for correlating events across cameras and sensors.
Drift can break cross-camera tracking, confuse incident timelines, and weaken evidence integrity.
NTP/PTP strategies align clocks; site servers act as trusted time sources for edge devices
NTP/PTP strategies align clocks; site servers act as trusted time sources for edge devices.
Monitoring detects outliers, sudden jumps, and skew under poor networks.
Frequently asked questions
What operational procedures are essential for maintaining accurate timestamps in a camera network?
Operational procedures include periodic audits, secure time sources, and alerts when drift exceeds thresholds. Synchronization ensures reliable correlation and defensible chain-of-custody.
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