FrequencyCT generates pseudo-labels via regional low-frequency anchoring, phase-preserving modulation, and high-frequency mask perturbation for self-supervised low-dose CT denoising.
Robust low-dose CT sinogram preprocessing via exploiting noise-generating mechanism
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FrequencyCT: Frequency domain pseudo-label generation for self-supervised low-dose CT denoising
FrequencyCT generates pseudo-labels via regional low-frequency anchoring, phase-preserving modulation, and high-frequency mask perturbation for self-supervised low-dose CT denoising.