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New Technology Increases Level of Scanning Precision
IDEAL/CONTEX Scanners Contain Patented Technology Which Corrects Dimensional Errors
Introduction
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When looking at pixels across the range of a camera, the pixels tend
to be more elliptical at the outside edges of the lens and more round
in the middle of the lens. This anomaly is known as a spherical lens
error and can introduce inaccuracies in the scanning system that can
vary quite substantially between different points along the scan line.
GIS professionals and other specialized vertical markets involved in
Quality Assurance and Verification require a high grade of precision
stability in the scanned image with a well-defined maximum deviation
of 0.1% or less. Most scanner manufacturers typically state+-0.1%
accuracy between the two end-points of the scan line.
However, Accuracy Lens Enhancement (ALE) enables IDEAL/Contex scanners
to maintain precision across any two points of the scan line, thus
exceeding even the most rigid requirements in the industry today.
What is Accuracy Lens Enhancement (ALE)?
Accuracy Lens Enhancement (ALE) is an electronic correction of spherical
errors in CCD based camera-scanning systems.
Accuracy Lens Enhancement Technology (ALE) electronically maintains
precision across any two points of the scan line thus exceeding even
the most rigid requirements in the industry today. IDEAL/Contex scanners
offer Accuracy Lens Enhancement (ALE) technology for our entire range
of scanners. We are committed to offering only the highest levels of
quality, accuracy and reliability.
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