Process and device for securing data mixed into an image

Details Process and device for securing data mixed into an image Process and device for securing data mixed into an image

1993-07-28

1996-10-08

Hofsass, Jeffery

Communications: electrical

Vehicle detectors

Speed and overspeed

348149, 364438, G08G 101

Patent

active

055635903

ABSTRACT:
In an automatic speed monitoring system of the type in which data is incorporated into a photograph of a vehicle, security of the data is provided through the addition of redundant information to the recorded data. The data is processed to derive an alphanumeric test symbol that is based on the data symbols. This test symbol is recorded along with the data. In subsequent validation of the data, the data is processed in the same manner to derive a symbol, and this symbol is compared with the recorded test symbol to determine the correctness of the recorded data.

REFERENCES:
patent: 3165373 (1962-07-01), Scott
patent: 4922339 (1990-05-01), Stout et al.
patent: 4988994 (1991-01-01), Loeven
patent: 5041828 (1991-08-01), Loeven

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