“…In a broader sense of attributes [26,11,12,27,13] interestingness can be considered as one type of relative attributes [35], although those attributes, such as how smiling a person is, are much less subjective. Computational models of interestingness Most earlier work casts the aesthetics or interestingness prediction problem as a regression problem [22,7,19,28]. However, as discussed before, obtaining an absolute value of interestingness for each data point is too subjective and affected too much by unknown personal preference/social background to be reliable.…”