1 Luminance Adaptation Model for Increasing the Dynamic Range of an Imaging System Based on a CCD Camera Marta de Lasarte, 1 Montserrat Arjona, 1 Meritxell Vilaseca, 1, Francisco M. Martínez- Verdú, 2 and Jaume Pujol 1 1 Centre for Sensors, Instruments and Systems Development (CD6), Technical University of Catalonia (UPC), Rambla Sant Nebridi 10, Terrassa, Barcelona 08222, Spain 2 Department of Optics, University of Alicante (UA), Ap. Correos 99, Alicante 03080, Spain Corresponding author: Meritxell Vilaseca Address: Centre de Desenvolupament de Sensors, Instrumentació i Sistemes (CD6), Universitat Politècnica de Catalunya (UPC), Rambla Sant Nebridi 10, 08222 Terrassa, Barcelona (Spain) Telephone number: +(34) 93 739 89 04 Fax number: +(34) 93 739 89 23 E-mail: mvilasec@oo.upc.edu