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  4. A 1Kx1K high dynamic range CMOS image sensor with on-chip programmable region of interest readout
 
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2001
Conference Paper
Title

A 1Kx1K high dynamic range CMOS image sensor with on-chip programmable region of interest readout

Abstract
An integrated 1024x1024 CMOS image sensor with programmable region of interest (ROI) readout and multi-exposure technique has been developed and successfully tested. Size and position of the ROI is programmed based on multiples of a minimum readout kernel of 32x32 pixels. Since the dynamic range of the irradiance normally exceeds the electrical dynamic range of the imager that can be covered using a single integration time a multi exposure technique has been implemented in the imager. Subsequent sensor images are acquired using different integration times and recomputed to form a single composite image. A newly developed algorithm performing the recomputation is presented. The chip has been realized in a 0.5µm n-well standard CMOS process. The pixel pitch is 10µm x 10µm and the total chip area is 164mm².
Author(s)
Schrey, O.
Huppertz, J.
Filimonovic, G.
Bußmann, A.
Brockherde, W.
Hosticka, B.J.
Mainwork
ESSCIRC 2001. Proceedings of the 27th European Solid-State Circuits Conference  
Conference
European Solid State Circuits Conference (ESSCIRC) 2001  
Language
English
Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme IMS  
Keyword(s)
  • Regionauslese

  • hohe Bilddynamik

  • Megapixelsensor

  • Programmierumgebung

  • CMOS

  • Bildsensor

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