Error detecting apparatus

Details Error detecting apparatus Error detecting apparatus

1994-06-22

1996-01-30

Beausoliel, Jr., Robert W.

Excavating

371 48, G06F 702

Patent

active

054886180

ABSTRACT:
A least square calculating circuit receives a plurality of past normal pixel data and class information. The calculating circuit predicts future pixel data corresponding to a linear coupling of the past pixel data and the coefficients for a class. At this time, the calculating circuit determines coefficients where the square of an error becomes minimum. The learnt coefficients are stored in a coefficient memory. An estimation value generating circuit generates an estimated value corresponding to the coefficients and the past pixel data. A subtracting circuit generates a difference value between the estimated value and the real value. The difference value is supplied to an error determining circuit. When the difference value largely deviates from the estimated value and when the number of such pixels that take place in a predetermined time period is larger than a predetermined threshold value, an error is detected.

REFERENCES:
patent: 4581741 (1986-04-01), Huffman et al.
patent: 5305468 (1994-04-01), Bruckert et al.
patent: 5321773 (1994-06-01), Kopec et al.
patent: 5329538 (1994-07-01), Kawano et al.
A. Mahmood "An Improved Iterative Design For Powers of Two Coefficient FIR Filters" 1991 IEEE pp. 375-378.

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