Patent US 4,351,004

Patent №

US 4,351,004

Granted

Owner

Lab

AI components

1

vision

Assignment

None on record

Dataset

AIPD

2023_r1 edition

Application

06117178

A CCD imager is provided with an adaptive threshold circuit. The variations in the illumination across the document being read by the imager are compensated for by the adaptive threshold circuit to accurately provide an accurate digital representation of the image on the document.

VisionG06K 7/1092G06K 7/10851G06V 30/162H04N 25/71H04N 25/713G06V 30/10

AI classification

Vision1.00
AI hardware0.34
Planning0.02
Evolutionary computation0.00
Machine learning0.00
Natural language0.00
Knowledge representation0.00
Speech0.00
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