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blurpool

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Subkash2206 / spectral-aliasing-cnns

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A spectral analysis framework for studying aliasing in strided CNNs. Defines the Alias Violation Ratio (AVR) and Shift Instability Score (SIS) to quantify Nyquist violations and their relationship to prediction instability.

computer-vision deep-learning signal-processing pytorch resnet convolutional-neural-networks spectral-analysis frequency-analysis fourier-transform anti-aliasing aliasing nyquist-theorem shift-invariance blurpool
  • Updated May 11, 2026
  • Python

Subkash2206 / aliasing-tumor-boundaries

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Official Code for my MIDL 2026 Paper: Investigating the structural cost of anti-aliasing in 3D volumetric medical segmentation. Evaluates the trade-off between spectral smoothing and boundary precision using SegResNet on BraTS 2021.

computer-vision deep-learning signal-processing pytorch medical-imaging resnet-50 brain-tumor-segmentation monai brats2021 boundary-f1 blurpool spectral-aliasing nyquist-shannon
  • Updated May 11, 2026
  • Python

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