RF-VoID: Towards Bandwidth-Efficient Exterior Tile Void Detection via Narrowband Radio-Frequency Representation Learning
RF-VoID is proposed, which decides directly on the narrowband complex response: the sub-band is kept in its measured frequency order with amplitude and phase alongside the in-phase and quadrature channels, and a dual-branch encoder reads it along the physical frequency axis using relative position encoding and a distan...
Xin-Yang-Chen-Xin-Yang Chen, Rui-Qin Ma, Shunsuke Shoda et al.
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