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The aim of the present article is to enrich the comprehension of iterative magnetic resonance imaging (MRI) reconstructions, including compressed sensing (CS) and iterative deep learning (DL) reconstructions, by describing them in the…

Medical Physics · Physics 2025-07-14 Bastien Milani , Jean-Baptist Ledoux , Berk Can Acikgoz , Xavier Richard

We present a novel two-view geometry estimation framework which is based on a differentiable robust loss function fitting. We propose to treat the robust fundamental matrix estimation as an implicit layer, which allows us to avoid…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Vladislav Pyatov , Iaroslav Koshelev , Stamatis Lefkimmiatis

Whereas dedicated scene representations are required for each different task in conventional robotic systems, this paper demonstrates that a unified representation can be used directly for multiple key tasks. We propose the Log-Gaussian…

Robotics · Computer Science 2024-10-24 Lan Wu , Ki Myung Brian Lee , Cedric Le Gentil , Teresa Vidal-Calleja

In this work, we perform unsupervised learning of representations by maximizing mutual information between an input and the output of a deep neural network encoder. Importantly, we show that structure matters: incorporating knowledge about…

Many data mining and data analysis techniques operate on dense matrices or complete tables of data. Real-world data sets, however, often contain unknown values. Even many classification algorithms that are designed to operate with missing…

Neural and Evolutionary Computing · Computer Science 2013-12-20 Michael S. Gashler , Michael R. Smith , Richard Morris , Tony Martinez

We start by considering the problem of estimating intrinsic distances on a smooth submanifold. We show that minimax optimality can be obtained via a reconstruction of the surface, and discuss the use of a particular mesh construction -- the…

Machine Learning · Statistics 2023-10-04 Ery Arias-Castro , Phong Alain Chau

3D anomaly detection has recently become a significant focus in computer vision. Several advanced methods have achieved satisfying anomaly detection performance. However, they typically concentrate on the external structure of 3D samples…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Hanzhe Liang , Guoyang Xie , Chengbin Hou , Bingshu Wang , Can Gao , Jinbao Wang

We introduce MIPS-Fusion, a robust and scalable online RGB-D reconstruction method based on a novel neural implicit representation -- multi-implicit-submap. Different from existing neural RGB-D reconstruction methods lacking either…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Yijie Tang , Jiazhao Zhang , Zhinan Yu , He Wang , Kai Xu

New local ultrametricity measures for finite metric data are proposed through the viewpoint that their Vietoris-Rips corners are samples from p-adic Mumford curves endowed with a Radon measure coming from a regular differential 1-form. This…

Information Retrieval · Computer Science 2024-08-15 Patrick Erik Bradley

Super-resolution (SR) has been a pivotal task in image processing, aimed at enhancing image resolution across various applications. Recently, look-up table (LUT)-based approaches have attracted interest due to their efficiency and…

Image and Video Processing · Electrical Eng. & Systems 2025-07-29 Sejin Park , Sangmin Lee , Kyong Hwan Jin , Seung-Won Jung

Recently, methods for neural surface representation and rendering, for example NeuS, have shown that learning neural implicit surfaces through volume rendering is becoming increasingly popular and making good progress. However, these…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Hanqi Jiang , Cheng Zeng , Runnan Chen , Shuai Liang , Yinhe Han , Yichao Gao , Conglin Wang

This paper is to build a primitive framework for a new possible extended system of real mathematical analysis - the Isomorphic Mathematical Analysis System (IMAS). It is based on some new concepts: e.g. isomorphic frame,…

General Mathematics · Mathematics 2024-01-30 Yuan Liu

The motivation of our work is to present a new visualization-guided computing paradigm to combine direct 3D volume processing and volume rendered clues for effective 3D exploration such as extracting and visualizing microstructures in-vivo.…

Graphics · Computer Science 2020-09-15 Yifan Wang , Guoli Yan , Haikuan Zhu , Sagar Buch , Ying Wang , Ewart Mark Haacke , Jing Hua , Zichun Zhong

Machine learning interatomic potentials (MLIPs) enables molecular dynamics (MD) simulations with ab initio accuracy and has been applied to various fields of physical science. However, the performance and transferability of MLIPs are…

Chemical Physics · Physics 2024-04-16 Taoyong Cui , Chenyu Tang , Mao Su , Shufei Zhang , Yuqiang Li , Lei Bai , Yuhan Dong , Xingao Gong , Wanli Ouyang

Manifold learning builds on the "manifold hypothesis," which posits that data in high-dimensional datasets are drawn from lower-dimensional manifolds. Current tools generate global embeddings of data, rather than the local maps used to…

Machine Learning · Computer Science 2025-08-28 Serena Hughes , Timothy Hamilton , Tom Kolokotrones , Eric J. Deeds

The performance of Large Language Models (LLMs) is increasingly governed by data efficiency rather than raw scaling volume. However, existing selection methods often decouple global distribution balancing from local instance selection,…

Computation and Language · Computer Science 2026-03-03 Changhao Wang , Jiaolong Yang , Xinhao Yao , Yunfei Yu , Peng Jiao , Lu Yu , Junpeng Fang , Riccardo Cantoro , Qing Cui , Jun Zhou

Informed learning is an emerging field in machine learning that aims to compensate for insufficient data with prior knowledge. Shape knowledge covers many types of prior knowledge concerning the relationship of a function's output with…

Optimization and Control · Mathematics 2024-09-26 Miltiadis Poursanidis , Patrick Link , Jochen Schmid , Uwe Teicher

In this work, we study various hybrid models of entropy-based and representativeness sampling techniques in the context of active learning in medical segmentation, in particular examining the role of UMAP (Uniform Manifold Approximation and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 H. S. Tan , Kuancheng Wang , Rafe Mcbeth

Visual place recognition methods struggle with occlusions and partial visual overlaps. We propose a novel visual place recognition approach based on overlap prediction, called VOP, shifting from traditional reliance on global image…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tong Wei , Philipp Lindenberger , Jiri Matas , Daniel Barath

High-dimensional data with intrinsic low-dimensional structure is ubiquitous in machine learning and data science. While various approaches allow one to learn a data manifold with a Riemannian structure from finite samples, performing…

Optimization and Control · Mathematics 2026-05-07 Willem Diepeveen , Melanie Weber