Title :
Precise FPN compensation circuit for CMOS APS [imager]
Author :
Matou, K. ; Ni, Yang
Author_Institution :
Departement Electronique et Phys., Inst. Nat. des Telecommun., Evry, France
fDate :
9/12/2002 12:00:00 AM
Abstract :
Fixed pattern noise (FPN) is one of the major disadvantages of CMOS imagers in comparison with CCD imagers. A simple and precise FPN compensation circuit for a CMOS active pixel sensor (APS) imager with an in-line non-destructive readout function is presented
Keywords :
CMOS image sensors; compensation; integrated circuit noise; nondestructive readout; CMOS APS imager; CMOS active pixel sensor imager; FPN compensation circuit; additive offset noise; fixed pattern noise correction circuit; in-line nondestructive readout function; static pixel-clockless operation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020556