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Color filter array and color correction for high dynamic range CMOS image sensors

: Heimann, T.K.; Schwarz, M.; Hosticka, B.J.

Porra, V. ; European Circuit Society -ECS-:
Circuit paradigm in the 21st century. Proceedings of the 15th European Conference on Circuit Theory and Design. Vol.2 : Helsinki University of Technology, Finland, 28th - 31st August 2001
Espoo, 2001
ISBN: 951-22-5573-1
pp.257-259 : Lit.
European Conference on Circuit Theory and Design <15, 2001, Espoo>
Conference Paper
Fraunhofer IMS ()
color correction; color filter array; CMOS imager; high dynamic range; CMOS; Bildsensor; Farbfilter

This contribution presents a novel approach to CMOS color image sensors featuring high dynamic range. First we introduce a novel Color-Filter-Array (CFA) that has been especially developed for CMOS imager featuring high dynamic range. Then color correction method is presented that is made with a fast algorithm realized using a Look-Up-Table (LUT). The LUT is created off-chip to improve a high quality and keep the on-chip logic small.