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Design of optimal camera apertures adapted to display devices over arbitrary sampling lattices

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2 Author(s)
Aly, H.A. ; Sch. of Inf. Technol. & Eng., Ottawa Univ., Ont., Canada ; Dubois, E.

We show how to design an optimal camera aperture for a given display aperture defined on an arbitrary spatial or spatio-temporal sampling lattice. This is achieved by determining the reciprocal Riesz basis for the vector space of displayed images. The result can be used to specify ideal virtual cameras for a number of applications such as regularized image up-sampling. A case study for displaying a hexagonally sampled image on a cathode ray tube is presented.

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Signal Processing Letters, IEEE  (Volume:11 ,  Issue: 4 )