Power spectra of full-mission maps of 5° phase-shifted detector 545₁ FSL simulations after contamination-source removal using 1000 iterations of a classic destriping approach (CD₅), a direct fit of nonshifted detector 545₁ FSL simulation data onto 5° phase-shifted detector 545₁ FSL simulation data as a template (TFIT_0 → 5), the 1D Decoder CNN trained on nonshifted detector 545₁ FSL simulation data and applied to 5° phase-shifted detector 545₁ FSL simulation data (CNN1D_0 → 5), the 2D Decoder CNN trained on nonshifted detector 545₁ FSL simulation data and applied to 5° phase-shifted detector 545₁ FSL simulation data (CNN2D_0 → 5), the 2D Decoder CNN trained on a catalog built from detector 545₁ FSL simulation data shifted by [6° ,8° ,…,20° ] and applied to 5° phase-shifted detector 545₁ FSL Simulation data (CNN2D_{[6, 20]→5}), and the 2D Decoder CNN trained on a catalog built from detector 545₁ FSL simulation data shifted by [0° ,2° ,…,20° ] and applied to 5° phase-shifted detector 545₁ FSL simulation data (CNN2D_{[0, 20]→5}).