no code implementations • 27 Jun 2024 • Lin Zhang, Chenggang Lu, Xin-yang Shi, Caifeng Shan, Jiong Zhang, Da Chen, Laurent D. Cohen
Atherosclerosis is a chronic, progressive disease that primarily affects the arterial walls.
no code implementations • 13 Nov 2023 • Théo Bertrand, Laurent D. Cohen
Segmentation of tubular structures in vascular imaging is a well studied task, although it is rare that we try to infuse knowledge of the tree-like structure of the regions to be detected.
no code implementations • 8 Sep 2023 • Li Liu, Da Chen, Minglei Shu, Laurent D. Cohen
These boundary proposals are then incorporated into the proposed image segmentation model, such that the target segmentation contours are made up of a set of selected boundary proposals and the corresponding geodesic paths linking them.
no code implementations • 28 Jun 2023 • Nicolas Makaroff, Théo Bertrand, Laurent D. Cohen
Leveraging geodesic distances and the geometrical information they convey is key for many data-oriented applications in imaging.
no code implementations • 28 Jun 2023 • Nicolas Makaroff, Laurent D. Cohen
When studying the results of a segmentation algorithm using convolutional neural networks, one wonders about the reliability and consistency of the results.
no code implementations • 19 Mar 2023 • Thomas Dagès, Laurent D. Cohen, Alfred M. Bruckstein
Traditional signal processing methods relying on mathematical data generation models have been cast aside in favour of deep neural networks, which require vast amounts of data.
no code implementations • 21 Nov 2022 • Raphaël Groscot, Laurent D. Cohen
As for the last two, they require to first optimize DVGs on a collection of shapes, which amounts to a pre-processing step.
no code implementations • 1 Nov 2021 • Da Chen, Jean-Marie Mirebeau, Minglei Shu, Xuecheng Tai, Laurent D. Cohen
The minimal geodesic models based on the Eikonal equations are capable of finding suitable solutions in various image segmentation scenarios.
no code implementations • ICCV 2021 • Da Chen, Laurent D. Cohen, Jean-Marie Mirebeau, Xue-Cheng Tai
The minimal geodesic models based on the Eikonal equations are capable of finding suitable solutions in various image segmentation scenarios.
no code implementations • 16 Aug 2020 • Da Chen, Jian Zhu, Xinxin Zhang, Ming-Lei Shu, Laurent D. Cohen
Minimal paths are regarded as a powerful and efficient tool for boundary detection and image segmentation due to its global optimality and the well-established numerical solutions such as fast marching method.
no code implementations • 14 Jun 2020 • Da Chen, Jack Spencer, Jean-Marie Mirebeau, Ke Chen, Minglei Shu, Laurent D. Cohen
The Voronoi diagram-based dual-front active contour models are known as a powerful and efficient way for addressing the image segmentation and domain partitioning problems.
no code implementations • 8 Mar 2020 • Li Liu, Da Chen, Ming-Lei Shu, Baosheng Li, Huazhong Shu, Michel Paques, Laurent D. Cohen
Tubular structure tracking is a crucial task in the fields of computer vision and medical image analysis.
no code implementations • 20 Dec 2019 • Da Chen, Jean-Marie Mirebeau, Huazhong Shu, Laurent D. Cohen
In this paper, we introduce a new variational image segmentation model based on the minimal geodesic path framework and the eikonal PDE, where the region-based appearance term that defines then regional homogeneity features can be taken into account for estimating the associated minimal geodesic paths.
no code implementations • 23 Jul 2019 • Da Chen, Laurent D. Cohen
In this chapter, we give an overview of part of our previous work based on the minimal path framework and the Eikonal partial differential equation (PDE).
no code implementations • 21 Sep 2018 • Da Chen, Jiong Zhang, Laurent D. Cohen
In this paper, we propose a new minimal path model associated with a dynamic Riemannian metric embedded with an appearance feature coherence penalty and an adaptive anisotropy enhancement term.
no code implementations • 17 Oct 2017 • Da Chen, Laurent D. Cohen
In this paper, we propose a new minimal path model for minimally interactive retinal vessel centerline extraction.
no code implementations • 1 Dec 2016 • Da Chen, Jean-Marie Mirebeau, Laurent D. Cohen
In this paper, we propose a novel curvature-penalized minimal path model via an orientation-lifted Finsler metric and the Euler elastica curve.
no code implementations • CVPR 2016 • Da Chen, Jean-Marie Mirebeau, Laurent D. Cohen
This metric is non-Riemannian and asymmetric, defined on an orientation lifted space, incorporating the curvature penalty in the geodesic energy.