Patent ID: 9734681
Date: 2017-08-15
CPC Classifications: G08B,H04N

Claim:
1. A method for a digital video camera in a cloud-based video monitoring system, comprising: storing, in a rolling buffer by of the digital video camera, a last predetermined temporal segment of a video stream; in response to detecting a triggering event, initiating a local video recording in a local storage device of the digital video camera and streaming a video feed of the digital video camera to a network video recorder (NVR); identifying a first frame of the video feed recorded by the NVR from a control message from the NVR; generating, from the local video recording in the local storage device, a local video segment from an initial frame of the local video recording to a frame immediately before the identified first frame; generating, by the digital video camera, a video file comprising the last temporal segment of the video stream prior to the triggering event and the local video segment; and sending the generated video file to the NVR.