Adjusting illumination for image lift to match camera

Details Adjusting illumination for image lift to match camera Adjusting illumination for image lift to match camera

1993-07-12

1996-04-30

Couso, Yon J.

Image analysis

Applications

Reading bank checks

382140, G06K 900

Patent

active

055132740

ABSTRACT:
Arrangement for lifting image of checks, with Xenon lamp, Fluorescent lamp or like source of stable-wavelength-output and CCPD Camera means selected to exhibit "close-to-human" spectral response plus a photopic filter, disposed upstream of the Camera and adapted to shift its received image-light spectrum in the direction of that which is optimal for the human-eye.

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patent: 5136665 (1992-08-01), Inoue
patent: 5155776 (1992-10-01), Concannon

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