Canon VB-H45 Network Camera Operation Guide - Page 177
Camera Tampering Detection, Passing Detection, Intrusion Detection, Detected
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Camera Tampering Detection Detect when capture is being disrupted. This can be used to detect when the camera orientation is changed or the video display is obscured with spray, etc. Camera tampering detection is triggered when an area exceeding a specified ratio of change is continuously altered. Tampering Detected Detection begins when the ratio of change in a video exceeds a specified amount. 5 Setting Page Background Video Generated Video Changes Analysis Camera Tampering Detected Passing Detection Detect when a person or moving object crosses a specified line. This determines that an object is passing when the decision point of the object detection frame crosses a detection line. Passing Detected Detection begins when the decision point crosses the specified detection line. Detection Frame Decision Point Background Video Generated Video Changes Passing Detected Analysis Intrusion Detection Detect when a person or moving object crosses a specified area. This can be used to detect actions such as when someone climbs over a barrier and enters a restricted area in a museum, etc. This determines that an object is entering when the decision point of the object detection frame enters the detection area and the specified duration has elapsed. Detection begins when the decision point enters the detection area. Intrusion Detection Frame Detected Background Video Generated Video Changes Decision Point Analysis Intrusion Detected 159