SFKD uses multi-level discrete wavelet transform plus dual-stream refinement and Gaussian-filtered frequency loss to transfer spatial and global information across heterogeneous models.
In: Proceedings of the IEEE/CVF Conference on computer vision and pattern recognition
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SFKD: Spatial--Frequency Joint-Aware Heterogeneous Knowledge Distillation via Multi-Level Wavelet Spectral Interaction
SFKD uses multi-level discrete wavelet transform plus dual-stream refinement and Gaussian-filtered frequency loss to transfer spatial and global information across heterogeneous models.