ResearchBenchmarks3D Backward Heat Equation Inverse Problem on 3D Backward Heat Equation (5% Noise, σ=0.05)3D Backward Heat Equation Inverse Problem on 3D Backward Heat Equation (5% Noise, σ=0.05)Follow41.39PSNR (dB)Tucker-VB29.939632.912335.88538.8577Mar 17, 2026Evaluation resultsMethodMethodLinksPSNR (dB)Tucker-VB Gain (dB)Tucker-VB2026.0341.39—DP2026.0335.415.98L-curve2026.0333.388.01UPRE2026.0330.3911GCV2026.0330.3811.01