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Image Sensors Used to Inspect Text on Uneven Surfaces with Uneven Brightness

Case Number 421

last update: May 17, 2011

Taking uniform images of the uneven brightness caused by uneven surfaces enables the reliable inspection of text on glossy packaging.

Know-How

High dynamic range processing taking images with uniform brightness. This enables stable inspections without the use of external light if used in combination with high-powered LED lighting and a polarization filter.

Benefit / Efficiency

There is no need for additional external light, and inspection results are stable.

Use Products