DWTNeRF improves few-shot INGP rendering by weighting low-frequency wavelet sub-bands higher in the loss and using multi-head attention across color and density, beating CombiNeRF by up to 0.26 dB PSNR on 3-shot LLFF.
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DWTNeRF: Boosting Few-shot Neural Radiance Fields via Discrete Wavelet Transform
DWTNeRF improves few-shot INGP rendering by weighting low-frequency wavelet sub-bands higher in the loss and using multi-head attention across color and density, beating CombiNeRF by up to 0.26 dB PSNR on 3-shot LLFF.