Dual-mode surveillance system
First Claim
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1. A dual-mode surveillance system comprising:
- a first video camera, said first video camera producing a first video record of a first monitored region, said first video record having a high-temporal resolution;
a second video camera, said second video camera producing a second video record of a second monitored region, said second video record having a high-temporal resolution;
said second monitored region being substantially coincident with said first monitored region;
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Abstract
A surveillance system is formed from two video cameras viewing substantially the same region being monitored. One camera provides high temporal resolution, such as a conventional CCTV camera operating at 30 frames per second with 640 pixels per image width. The second camera provides high spatial resolution, such as a linescan sensor with a mechanical scanning assembly, providing 2 images per second with 5120 pixels per image width. The combination of these two cameras provides a video record of the monitored region with simultaneous high spatial resolution and high temporal resolution.
63 Citations
20 Claims
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1. A dual-mode surveillance system comprising:
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a first video camera, said first video camera producing a first video record of a first monitored region, said first video record having a high-temporal resolution;
a second video camera, said second video camera producing a second video record of a second monitored region, said second video record having a high-temporal resolution;
said second monitored region being substantially coincident with said first monitored region;
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of acquiring surveillance video, comprising:
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acquiring a high spatial resolution video record of a monitored region;
acquiring a high temporal resolution video record of said monitored region;
storing said high spatial resolution video record in a digital memory;
storing said high temporal resolution video record in a digital memory;
recalling said high spatial resolution video record from digital memory;
recalling said high temporal resolution video record from digital memory;
displaying said high spatial resolution video record; and
displaying said high temporal resolution video record. - View Dependent Claims (10, 11, 12, 13)
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14. A dual-mode surveillance system comprising:
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first camera means for acquiring a high temporal resolution video record of a first monitored region;
second camera means for acquiring a high spatial resolution video record of a second monitored region, said second monitored region substantially overlapping said first monitored region;
digital computer means for storing, manipulating, and displaying said high temporal resolution video record and said high spatial resolution video record. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification