2 papers
cs.CV2025
Total Normal Curvature Regularization and its Minimization for Surface and Image Smoothing
Tianle Lu, Ke Chen, Yuping Duan
We introduce a novel formulation for curvature regularization by penalizing normal curvatures from multiple directions. This total normal curvature regularization is capable of pro…
math.NA2025
Optimization of gridding algorithms for FFT by vector optimization
Federico Achini, Paola Causin, Sara Vanini +2
The Fast Fourier Transform (FFT) is widely used in applications such as MRI, CT, and interferometry; however, because of its dependence on uniformly sampled data, it requires the u…