Invertible Convolution with Symmetric Paddings

03/30/2023

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by   Bo Li, et al.

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We show that symmetrically padded convolution can be analytically inverted via DFT. We comprehensively analyze several different symmetric and anti-symmetric padding modes and show that multiple cases exist where the inversion can be achieved. The implementation is available at <https://github.com/prclibo/iconv_dft>.