Olivier, Arslan, Xavier and Alejandro published a paper on Scientific Data journal about a database for aesthetic evaluation:

Olivier Penacchio, Arslan Javed, Bogdan Raducanu, Xavier Otazu, C Alejandro Parraga,
“The Minimum Semantic Content (MSC) Dataset: A Large, Balanced Resource for Computational Aesthetics Research”,
Scientific Data, 13, 470 (2026)
https://doi.org/10.1038/s41597-026-06816-0