Relaxed forced choice improves performance of visual quality assessment methods

arXiv:2305.00220v2 Announce Type: replace
Abstract: In image quality assessment, a collective visual quality score for an image or video is obtained from the individual ratings of many subjects. One commonly used format for these experiments is the two-alternative forced choice method. Two stimuli with the same content but differing visual quality are presented sequentially or side-by-side. Subjects are asked to select the one of better quality, and when uncertain, they are required to guess. The relaxed alternative forced choice format …

arxiv assessment cs.cv performance quality type visual