Teledyne DALSA Industrial SolutionsSherlock Shape from Shading

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Lighting + software to enhance z-axis features

Four-segment light and light controller (controller not shown)

Teledyne DALSA Genie Nano GigE camera

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Sherlock interface

Up to four images acquired with different light segments (user

programmable)

Software computes the composite image

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Example: Reading Braille on a medicine package

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Reading Braille on a medicine package

Four source imagesComputed image

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Reading Braille on a medicine package

Computed imageObject segmentation

(“blob analysis”)

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Reading Braille on a medicine package

Imperfect dots might be difficult to train on and read reliably with Optical Character Recognition (OCR)

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Reading Braille on a medicine package

Imperfect dots are converted to perfect dots

Confidential – Use By Permission Only – Teledyne DALSA Corporation 2019

Reading Braille on a medicine package

Perfect-dot characters are trained with OCR

Confidential – Use By Permission Only – Teledyne DALSA Corporation 2019

Reading Braille on a medicine package

Perfect-dot characters are read with OCR

Confidential – Use By Permission Only – Teledyne DALSA Corporation 2019

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