1. R.N. Shepard, On the status of direct psychophysical measurement, Minnesota Studies in the Philosophy of Science, vol. 9, pp. 441–490.
2. A.B. Watson, Proposal: measurement of a JND scale for video quality, IEEE G-2.1. 6 Subcommittee on Video Compression Measurements, (2000).
3. Video Quality Experts Group, Report on the Validation of Video Quality Models for High Definition Video Content, June 2010.
4. All subjective scales are not created equal: the effects of context on different scales;Corriveau;Signal Processing,1999
5. MLDS: maximum likelihood difference scaling in R;Knoblauch;Journal of Statistical Software,2008