Kalman filtering for drift correction in IR detectors

  • Authors:

  • J. Piñeiro Ave;A. Artés Rodríguez;R. Sánchez Montero

  • Affiliations:

  • Departamento de Teoría de la Señal y Comunicaciones, Universidad de Alcalá, Alcalá de Henares, Spain;Departamento de Teoría de la Señal y Comunicaciones, Universidad Carlos III de Madrid, Spain;Departamento de Teoría de la Señal y Comunicaciones, Universidad de Alcalá, Alcalá de Henares, Spain

  • Venue:
  • ISPRA'06 Proceedings of the 5th WSEAS International Conference on Signal Processing, Robotics and Automation
  • Year:
  • 2006

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Abstract

In modern imaging systems that use thermal or infrared detectors, it is necessary to control the system temperature with accuracy, in order to avoid variations in the response of the detector. In this work, we propose a solution based on the implementation of the Kalman filter to correct the signal drift in a focal plane array (FPA), which consists of a mosaic of 16×16 of Lead Selenide (PbSe) infrared detectors. We show that the Kalman filter-based solution improves other existing design methods. The performance of the proposed method is demonstrated by simulated and real data.