Source-free collaborative domain adaptation via multi-perspective feature enrichment for functional MRI analysis

Yuqi Fang, Jinjian Wu, Qianqian Wang, Shijun Qiu, Andrea Bozoki, Mingxia Liu

Abstract: Highlights•Performing fMRI adaptation without accessing source data for privacy protection.•Exploiting features of unlabeled target data dynamically from multiple perspectives.•Constructing a generalized feature encoder based on auxiliary unlabeled fMRI datasets.•Conducting comprehensive experiments on public and private data for method validation.•Identifying disorder-related brain regions as biomarkers to facilitate fMRI analysis.