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A fast algorithm for B-splines in mixed models is presented. B-splines have local support and are computational attractive, because the corresponding matrices are sparse. A key element of the new algorithm is that the local character of…

Computation · Statistics 2015-02-17 Martin P. Boer

We revisit the additive model learning literature and adapt a penalized spline formulation due to Eilers and Marx, to train additive classifiers efficiently. We also propose two new embeddings based two classes of orthogonal basis with…

Computer Vision and Pattern Recognition · Computer Science 2011-10-06 Subhransu Maji

We introduce a novel method for acquiring boundary representations (B-Reps) of 3D CAD models which involves a two-step process: it first applies a spatial partitioning, referred to as the ``split``, followed by a ``fit`` operation to derive…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Yilin Liu , Jiale Chen , Shanshan Pan , Daniel Cohen-Or , Hao Zhang , Hui Huang

Accurate assessment of spheno-occipital synchondrosis (SOS) maturation is a key indicator of craniofacial growth and a critical determinant for orthodontic and surgical timing. However, SOS staging from cone-beam CT (CBCT) relies on subtle,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Omid Halimi Milani , Amanda Nikho , Marouane Tliba , Lauren Mills , Emadeldeen Hamdan , Ahmet Enis Cetin , Mohammed H. Elnagar

Generating continuous surfaces from discrete point cloud data is a fundamental task in several 3D vision applications. Real-world point clouds are inherently noisy due to various technical and environmental factors. Existing data-driven…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Stuti Pathak , Rhys G. Evans , Gunther Steenackers , Rudi Penne

Automated detection of sclerotic metastases (bone lesions) in Computed Tomography (CT) images has potential to be an important tool in clinical practice and research. State-of-the-art methods show performance of 79% sensitivity or…

Computer Vision and Pattern Recognition · Computer Science 2014-07-23 Holger R. Roth , Jianhua Yao , Le Lu , James Stieger , Joseph E. Burns , Ronald M. Summers

We present a pioneering investigation into the application of deep learning techniques to analyze histopathological images for addressing the substantial challenge of automated prognostic prediction. Prognostic prediction poses a unique…

Being able to reverse engineer from point cloud data to obtain 3D models is important in modeling. As our main contribution, we present a new method to obtain a tensor product B-spline representation from point cloud data by fitting…

Graphics · Computer Science 2014-11-24 Lavanya Sita Tekumalla , Elaine Cohen

Endoscopic Sinus and Skull Base Surgeries (ESSBSs) is a challenging and potentially dangerous surgical procedure, and objective skill assessment is the key components to improve the effectiveness of surgical training, to re-validate…

Machine Learning · Computer Science 2021-12-07 Yangming Li , Randall Bly , Sarah Akkina , Rajeev C. Saxena , Ian Humphreys , Mark Whipple , Kris Moe , Blake Hannaford

Recently, segmentation methods based on Convolutional Neural Networks (CNNs) showed promising performance in automatic Multiple Sclerosis (MS) lesions segmentation. These techniques have even outperformed human experts in controlled…

Image and Video Processing · Electrical Eng. & Systems 2021-07-26 Reda Abdellah Kamraoui , Vinh-Thong Ta , Thomas Tourdias , Boris Mansencal , José V Manjon , Pierrick Coupé

Multi-degree splines are piecewise polynomial functions having sections of different degrees. They offer significant advantages over the classical uniform-degree framework, as they allow for modeling complex geometries with fewer degrees of…

Numerical Analysis · Mathematics 2021-02-08 Carolina Vittoria Beccari , Giulio Casciola

Statistical shape modeling (SSM) is an essential tool for analyzing variations in anatomical morphology. In a typical SSM pipeline, 3D anatomical images, gone through segmentation and rigid registration, are represented using…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Hong Xu , Shireen Y. Elhabian

It has become commonplace to use complex computer models to predict outcomes in regions where data does not exist. Typically these models need to be calibrated and validated using some experimental data, which often consists of multiple…

One of the fundamental challenges in microscopy (MS) image analysis is instance segmentation (IS), particularly when segmenting cluster regions where multiple objects of varying sizes and shapes may be connected or even overlapped in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Jun Wang , Chengfeng Zhou , Zhaoyan Ming , Lina Wei , Xudong Jiang , Dahong Qian

Skull-stripping methods aim to remove the non-brain tissue from acquisition of brain scans in magnetic resonance (MR) imaging. Although several methods sharing this common purpose have been presented in literature, they all suffer from the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-26 Gabriele Valvano , Nicola Martini , Andrea Leo , Gianmarco Santini , Daniele Della Latta , Emiliano Ricciardi , Dante Chiappino

We present Hybrid-CSR, a geometric deep-learning model that combines explicit and implicit shape representations for cortical surface reconstruction. Specifically, Hybrid-CSR begins with explicit deformations of template meshes to obtain…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Shanlin Sun , Thanh-Tung Le , Chenyu You , Hao Tang , Kun Han , Haoyu Ma , Deying Kong , Xiangyi Yan , Xiaohui Xie

We propose a novel method for fitting planar B-spline curves to unorganized data points. In traditional methods, optimization of control points and foot points are performed in two very time-consuming steps in each iteration: 1) control…

Graphics · Computer Science 2012-01-04 Wenni Zheng , Pengbo Bo , Yang Liu , Wenping Wang

Deep neural networks are increasingly being used for the analysis of medical images. However, most works neglect the uncertainty in the model's prediction. We propose an uncertainty-aware deep kernel learning model which permits the…

Machine Learning · Computer Science 2021-06-11 Zhiliang Wu , Yinchong Yang , Jindong Gu , Volker Tresp

Skeletonization extracts thin representations from images that compactly encode their geometry and topology. These representations have become an important topological prior for preserving connectivity in curvilinear structures, aiding…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 Luis D. Reyes Vargas , Martin J. Menten , Johannes C. Paetzold , Nassir Navab , Mohammad Farid Azampour

Vision Transformers (ViTs) and Swin Transformers (Swin) are currently state-of-the-art in computational pathology. However, domain experts are still reluctant to use these models due to their lack of interpretability. This is not…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Manuel Tran , Amal Lahiani , Yashin Dicente Cid , Melanie Boxberg , Peter Lienemann , Christian Matek , Sophia J. Wagner , Fabian J. Theis , Eldad Klaiman , Tingying Peng