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#inverse-problems3 articles
3 articles
AIBullisharXiv โ€“ CS AI ยท 6h ago2
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Efficient Flow Matching for Sparse-View CT Reconstruction

Researchers developed FMCT/EFMCT, a new Flow Matching-based framework for CT medical imaging reconstruction that significantly improves computational efficiency over existing diffusion models. The method uses deterministic ordinary differential equations and velocity field reuse to reduce neural network evaluations while maintaining reconstruction quality.

AIBullisharXiv โ€“ CS AI ยท 6h ago2
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FAST-DIPS: Adjoint-Free Analytic Steps and Hard-Constrained Likelihood Correction for Diffusion-Prior Inverse Problems

Researchers propose FAST-DIPS, a new training-free diffusion prior method for solving inverse problems that achieves up to 19.5x speedup while maintaining competitive image quality metrics. The method replaces computationally expensive inner optimization loops with closed-form projections and analytic step sizes, significantly reducing the number of required denoiser evaluations.

AINeutralarXiv โ€“ CS AI ยท 6h ago0
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Solving Inverse PDE Problems using Minimization Methods and AI

Researchers published a study comparing traditional numerical methods with Physics-Informed Neural Networks (PINNs) for solving direct and inverse problems in differential equations. The work demonstrates that PINNs can effectively estimate solutions at competitive computational costs for complex systems like the Porous Medium Equation.