Shape-constrained Gaussian process regression for surface reconstruction and multimodal, non-rigid image registration - Archive ouverte HAL
Article Dans Une Revue Journal of Applied Statistics Année : 2021

Shape-constrained Gaussian process regression for surface reconstruction and multimodal, non-rigid image registration

Modélisation mathématique de l’évolution de l’absentéisme dans un hôpital universitaire sur 12 ans

Résumé

We present a new statistical framework for landmark ?>curve-based image registration and surface reconstruction. The proposed method first elastically aligns geometric features (continuous, parameterized curves) to compute local deformations, and then uses a Gaussian random field model to estimate the full deformation vector field as a spatial stochastic process on the entire surface or image domain. The statistical estimation is performed using two different methods: maximum likelihood and Bayesian inference via Markov Chain Monte Carlo sampling. The resulting deformations accurately match corresponding curve regions while also being sufficiently smooth over the entire domain. We present several qualitative and quantitative evaluations of the proposed method on both synthetic and real data. We apply our approach to two different tasks on real data: (1) multimodal medical image registration, and (2) anatomical and pottery surface reconstruction.

Dates et versions

hal-04799319 , version 1 (22-11-2024)

Identifiants

Citer

Thomas Deregnaucourt, Chafik Samir, Sebastian Kurtek, Anne-Francoise Yao. Shape-constrained Gaussian process regression for surface reconstruction and multimodal, non-rigid image registration. Journal of Applied Statistics, 2021, 49 (7), pp.1865-1889. ⟨10.1080/02664763.2021.1897970⟩. ⟨hal-04799319⟩
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