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Proceedings Paper

Image sensor characterisation using SMIA standard
Author(s): Robert L. Nicol
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Paper Abstract

This paper gives an outline of the coverage of the Standard Mobile Imaging Architecture (SMIA) standard and its adoption by the mobile phone industry for camera phone applications. The different elements of the standard, including functionality, interface, package options, and characterization will be described in brief. The paper then moves on to describe in detail image sensor characterization using the SMIA standard. The overall test method, and coverage will be reviewed along with the detail of the individual tests, highlighting the depth of detail of the SMIA characterization documentation. Both electrical and optical tests are reviewed with some emphasis on the colour accuracy test. Throughout this paper where required, the example of a typical CMOS camera module will be used to illustrate the method of parameter extraction. Finally, the paper examines some of the exceptions to and possible weaknesses of the current SMIA characterization standard and considers future possible revisions of the standard. This includes both refinements of and improvements in the existing test coverage and extension of the standard into areas it does not cover today, for example the definition of test requirements for auto-focus and optical zoom modules.

Paper Details

Date Published: 21 April 2006
PDF: 12 pages
Proc. SPIE 6196, Photonics in Multimedia, 61960E (21 April 2006); doi: 10.1117/12.673466
Show Author Affiliations
Robert L. Nicol, ST Microelectronics Ltd. (United Kingdom)

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

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