Li, H., Zhuang, Z., Lin, J., Liu, Y., Chen, Y., Peng, Q., … Wang, L. (2026). FDP: A Frequency-Decomposition Preprocessing Pipeline for Unsupervised Anomaly Detection in Brain MRI. Proceedings of the AAAI Conference on Artificial Intelligence, 40(8), 6118–6126. https://doi.org/10.1609/aaai.v40i8.37536