FrequencyCT is a frequency-domain zero-shot self-supervised method that creates pseudo-samples via low-frequency anchoring, phase-preserving high-frequency perturbations, and signal-correlated truncation for low-dose CT denoising.
A fast blind zero-shot denoiser
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FrequencyCT: Frequency Domain Self-supervised Low-dose CT Denoising
FrequencyCT is a frequency-domain zero-shot self-supervised method that creates pseudo-samples via low-frequency anchoring, phase-preserving high-frequency perturbations, and signal-correlated truncation for low-dose CT denoising.