... Speech, and Music ProcessingVolume 2010, Article ID 735854, 19 pagesdoi:10.1155/2010/735854 Research Article Determination of Nonprototypical Valence and Arousal in Popular Music: Features and ... median of all raters and clustering of positive and negative instances. Shown are all, train, development, and test instances.Allinst min 2/4 min 3/412721042516(a) Valence Allinst min 2/4 min ... 3/41272974509(b) Arousal Figure 8: Distributions of test instances in dependence of prototypicality: AllInst, Min2/4 (minimum 2 of 4 raters agree), and Min3/4(minimum 3 of 4 raters agree).as floating, and...