R-REC-BT.500-13-201201-I!!PDF-E.pdf

This Recommendation provides methodologies for the assessment of picture quality including general
methods of test, the grading scales and the viewing conditions. It recommends the double-stimulus
impairment scale (DSIS) method and the double-stimulus continuous quality-scale (DSCQS) method as well
as alternative assessment methods such as single-stimulus (SS) methods, stimulus-comparison methods,
single stimulus continuous quality evaluation (SSCQE) and simultaneous double stimulus for continuous
evaluation (SDSCE) method.