1. B. R. Frieden: J. Opt. Soc. Am. 62, 511–518 (1972).
2. T. S. Huang (ed.): Picture Processing and Digital Filtering, 2nd edn., Topics Appl. Phys., Vol. 6 (Springer, Berlin, Heidelberg 1979) Sect. 5.17.
3. S. F. Gull, J. Skilling: “The entropy of an image”, in Maximum-Entropy and Bayesian Methods in Inverse Problems, ed. by C. R. Smith, W. T. Grandy (Reidel, Dordrecht, Netherlands 1985) pp. 287–301.
4. T. J. Cornwell, K. F. Evans: Astron. Astrophys. 143, 77–83 (1985).
5. S. F. Gull, J. Skilling: “The maximum entropy method”, in Indirect Imaging, ed. by J. A. Roberts (Cambridge University Press, Cambridge, UK 1984) pp. 267–279.