Event-based vehicle image capture
First Claim
1. A system for identifying vehicles of traffic violaters, comprising:
- (a) camera means for providing in real time a video signal that represents plural sequential image frames;
(b) detection means for detecting a traffic violation and for providing a trigger signal in response to said detection of the traffic signal;
(c) video recording means for receiving the video signal provided by the camera means and recording the video signal in response to the trigger signal; and
(d) buffer means for receiving and storing the video signal so as to preserve the video signal during a sliding time interval, wherein in response to provision of the trigger signal at least a portion of the video signal stored in the buffer means is preserved for recording by the video recording means.
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Accused Products
Abstract
Provided is a system for identifying vehicles of traffic violators, the system having elements that include: a video camera for providing, in real-time, a video signal that represents plural sequential video image frames (either perceptually continuous video, such as 30 frames per second, or non-perceptually continuous video, such as 1-2 fps); a traffic violation detector (e.g., a radar gun, an in-ground loop, a pair of self-powered wireless transponders or transmitters, a camera-based speed detection system, or any other speed sensor) that provides a trigger signal (e.g., based on vehicle speed and detection of the state of a traffic signal); a video recorder that receives the video signal provided by the camera and records the video signal in a buffer until receipt of a trigger signal, at which point at least a portion of the video signal stored in the buffer is preserved for recording and direct real-time storage of the video signal to a hard drive, or other high-capacity storage medium, commences. As a result, the video signal is preserved during a pre-programmable sliding (or rolling) time interval prior to provision of the trigger signal.
309 Citations
18 Claims
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1. A system for identifying vehicles of traffic violaters, comprising:
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(a) camera means for providing in real time a video signal that represents plural sequential image frames;
(b) detection means for detecting a traffic violation and for providing a trigger signal in response to said detection of the traffic signal;
(c) video recording means for receiving the video signal provided by the camera means and recording the video signal in response to the trigger signal; and
(d) buffer means for receiving and storing the video signal so as to preserve the video signal during a sliding time interval, wherein in response to provision of the trigger signal at least a portion of the video signal stored in the buffer means is preserved for recording by the video recording means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification