PGMv2: Structural-spatial-frequency contrastive reduction for mural high-fidelity restoration

作者：Han Li, Donglin Liu, Yuan Lu, Qinfei Chen, Xiaoyang Chen, Jiangyin Huang, Yuan Sun, Xungao Zhong, Duanxi Zheng, Shaobo Kang, Zhicai Ding, Jiansheng Guan · 发表于：npj Heritage Science · 年份：2026 · DOI：10.1038/s40494-026-02827-7