ResearchBenchmarks3D Backward Heat Equation Inverse Problem on 3D Backward Heat Equation (1% Noise, σ=0.01)3D Backward Heat Equation Inverse Problem on 3D Backward Heat Equation (1% Noise, σ=0.01)Follow49.55PSNR (dB)Tucker-VB36.227639.686343.14546.6037Mar 17, 2026Evaluation resultsMethodMethodLinksPSNR (dB)Tucker-VB Gain (dB)Tucker-VB2026.0349.55—DP2026.0342.726.83GCV2026.0336.9712.58UPRE2026.0336.9512.6L-curve2026.0336.7412.81