Oversampling requirements for pixelated-imager systems Academic Article uri icon


  • The image quality resulting from a 2-D image-sampling pro- cess by an array of pixels is described. The description is based on a Fourier transformation of the Wigner-Seitz cell, which transforms a unit cell of the sampling lattice in the spatial domain into a bandwidth cell in the spatial-frequency domain. The area of the resulting bandwidth cell is a quantitative measure of the image fidelity of the sampling process. We compare the image-quality benefits of three different oversampling ge- ometries in terms of the modulation transfer function (MTF) as a function of the amount of oversampling used. © 1999 Society of Photo-Optical Instrumen- tation Engineers. (S0091-3286(99)00205-6)

publication date

  • January 1, 1999