1. Orhaug, T. 1978: Pattern Recognition with special Emphasis on Image Processing, in Lund. T. (Editor): Surveillance of Environmental Pollution and Resources by Electromagnetic Waves, Proc. of NATO Adv. Study Institute, Spâtind, Norway, April 1978, Reidel Publishing Company, Dordrecht, Holland.
2. Bennett, I. R., McConnell, P.R. 1981: Considerations in the design of optimal multilook processors for image quality, in SAR Image Quality, ESA SP-172, ESA 1981.
3. Mitchell, R.M., Marder, S. 1981: Synthetic Aperture Radar (SAR) image quality considerations, SPIE vol. 310, Image Quality, pp 58–68.
4. Granger, E., Cupery, K. 1972: An optical merit function (SQF) which correlates with subjective image judgements, Photographic Science and Engineering, Vol., 16, No. 23, pp 221–230.
5. Charman, W. N., Olin, A. 1965: Image quality criteria for aerial camera systems, Photographic Science and Engineering, Vol. 9, No. 6, pp 385–397.