Image change detection system

Details Image change detection system Image change detection system

1986-10-28

1988-10-18

Orsino, Jr., Joseph A.

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in one vehicle only

340 52R, 340901, 180169, 358105, G08G 116

Patent

active

047790954

ABSTRACT:
An image change detection system for observing an environment to be monitored, such as a region proximate a vehicle, by sensing energy from the region and generating a plurality of pixels which form an image of the region. The system stores a first image of the region and matches pixels of a subsequent image of the region with pixels of the first image to detect deviations between corresponding pixels. The system indicates when the pixel deviations exceed a preselected threshold to detect an abnormal condition in the region. Also a method of monitoring the environment about a vehicle by sensing a first image, sensing a subsequent image, matching the pixels of the subsequent image with the pixels of the first image to detect deviations between corresponding pixels, and indicating when pixel deviations exceed a preselected threshold.

REFERENCES:
patent: 3740466 (1973-06-01), Marshall
patent: 3898652 (1975-08-01), Rashid
patent: 4407388 (1983-10-01), Steel
patent: 4458266 (1984-07-01), Mahoney
patent: 4464789 (1984-08-01), Sternberg
patent: 4467313 (1984-08-01), Yoshino et al.
patent: 4590607 (1986-05-01), Kauth

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