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Proceedings Paper

Integrated measurement system for miniature camera modules
Author(s): Ari Tervonen; Ilkka Nivala; Pasi Ryytty; Hannu Saari; Harri Ojanen; Jarkko Viinikanoja
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Paper Abstract

Particularly for miniature camera modules, manufactured in high volumes, characterization and measurement approaches are needed that provide information on camera key properties efficiently. An integrated measurement system named has been developed that uses images taken on specifically designed test chart targets, which are then automatically analysed by software. The chart combines target elements for measurement of optoelectronic conversion function, resolution, noise, uniformity, distortion and colour reproduction. The software applies machine vision to recognize the various target elements from the images, and to register analysis locations properly. The actual analysis methods conform with existing standards. The software includes graphical user interface, and in addition to the automatic analysis, also user-defined analysis can be flexibly done. The software supports modifications in the chart layout, batch analysis of images and storing the results in spreadsheet report format.

Paper Details

Date Published: 21 April 2006
PDF: 9 pages
Proc. SPIE 6196, Photonics in Multimedia, 61960L (21 April 2006); doi: 10.1117/12.662650
Show Author Affiliations
Ari Tervonen, Nokia Research Ctr. (Finland)
Ilkka Nivala, Nokia Research Ctr. (Finland)
Pasi Ryytty, Nokia Research Ctr. (Finland)
Hannu Saari, Nokia Research Ctr. (Finland)
Harri Ojanen, Nokia Research Ctr. (Finland)
Jarkko Viinikanoja, Nokia Research Ctr. (Finland)

Published in SPIE Proceedings Vol. 6196:
Photonics in Multimedia
Ari Tervonen; Malgorzata Kujawinska; Wilbert IJzerman; Herbert De Smet, Editor(s)

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