Glossary
Smoothing
Refers to the removal of irregularities on diagonal lines and curves, which is a processing method commonly used in OCR applications.
T
Temporary error
An error that can be fixed by the operator.
Threshold
The value which is used to determine whether a certain color is black or white. Threshold value must be configured in order to scan images with grayscale gradation. Each pixel is converted into black or white according to the specified value.
TÜV
An institution that controls products for conformity with various standards related to security, usability and environmental issues.
TWAIN
TWAIN (Technology Without Any Interesting Name) is an API (Application Program Interface) standard for imaging devices (e.g. scanners, digital cameras) developed by TWAIN Working Group. In order to use devices that comply with this standard, it is necessary to install a driver software that supports TWAIN standard.
U
Ultrasonic sensor
A sensor that detects multifeed errors by ultrasonic soundwave. It detects multifeeds by monitoring the difference in the amount of ultrasonic waves transmitted through the documents.
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