M. Aggarwal and N. Ahuja, A New Imaging Model, Proc. International Conference on Computer Vision, Vancouver, Canada, July 2001, 82-89. Full Paper(PDF)

M. Aggarwal, H. Hua and N. Ahuja, On Cosine-Fourth and Vignetting Effects in Lenses, Proc. International Conference on Computer Vision, Vancouver, Canada, July 2001, 472-479. Full Paper(PDF)

M. Aggarwal and N. Ahuja, A Pupil-Centric Model of Image Formation, International Journal on Computer Vision, 48(3), 2002, 195-214.