Image processing process

Details Image processing process Image processing process

1997-06-02

1999-08-31

Britton, Howard

Television

Special applications

Flaw detector

382141, H04N 718

Patent

active

059460296

ABSTRACT:
An image processing process disposes a television (TV) camera for observing a direct reflection of an incident light in a direction substantially coinciding with rolling direction of such detection object as a laminating substrate or the like, and observes a direct reflection component of the light with mutual positional relationship between the TV camera, object and a light source varied. Measuring thus sequentially the brightness with the angle of incident light varied, a lighting angle at which the brightness of reflection is the largest, that is, an incident angle of direct reflection light is obtained with respect to respective measuring points on the object, and an image representing a distribution of incident angles of the direction reflection light can be obtained by obtaining the incident angles of the direct reflection light with respect to the whole points on the detection object.

REFERENCES:
patent: 5515452 (1996-05-01), Penkethman
patent: 5631733 (1997-05-01), Henley
patent: 5652805 (1997-07-01), Ooenoki
patent: 5781649 (1998-07-01), Brezoczky

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