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The automated surface defect detection is a fundamental task in industrial production, and the existing saliencybased works overcome the challenging scenes and give promising detection results. However, the cutting-edge efforts often suffer…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Kunye Shen , Xiaofei Zhou , Zhi Liu

Cross-modal retrieval is gaining increasing efficacy and interest from the research community, thanks to large-scale training, novel architectural and learning designs, and its application in LLMs and multimodal LLMs. In this paper, we move…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Davide Caffagni , Sara Sarto , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

3D object detection from visual sensors is a cornerstone capability of robotic systems. State-of-the-art methods focus on reasoning and decoding object bounding boxes from multi-view camera input. In this work we gain intuition from the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Dian Chen , Jie Li , Vitor Guizilini , Rares Ambrus , Adrien Gaidon

In this paper we study a new metric for comparing Betti numbers functions in bidimensional persistent homology, based on coherent matchings, i.e. families of matchings that vary in a continuous way. We prove some new results about this…

Algebraic Topology · Mathematics 2018-05-29 Andrea Cerri , Marc Ethier , Patrizio Frosini

Two-dimensional embeddings obtained from dimensionality reduction techniques such as MDS, t-SNE, or UMAP, are widely used to visualize high-dimensional data and support researchers in visually identifying clusters, outliers, and other…

Machine Learning · Computer Science 2026-05-01 Pavlin G. Poličar , Blaž Zupan

In simulations of (magnetized-)fluid dynamics in physics and astrophysics, the visualization techniques are so frequently applied to analyse data that they have become a fundamental part of the research. Data produced is often a…

Astrophysics · Physics 2007-05-23 Jan Staff , Michael Jorgensen , Rachid Ouyed

Modern geological studies and mineral exploration techniques rely heavily on being able to digitally visualise and interpret data. Rare earth elements (REEs) are vital for renewable energy technologies. REE concentrations, when normalised…

Human-Computer Interaction · Computer Science 2024-05-14 Jaxon Kneipp , Alex Potanin , Michael Anenburg

$1$-parameter persistent homology, a cornerstone in Topological Data Analysis (TDA), studies the evolution of topological features such as connected components and cycles hidden in data. It has been applied to enhance the representation…

Machine Learning · Computer Science 2023-07-03 Cheng Xin , Soham Mukherjee , Shreyas N. Samaga , Tamal K. Dey

Understanding the response of an output variable to multi-dimensional inputs lies at the heart of many data exploration endeavours. Topology-based methods, in particular Morse theory and persistent homology, provide a useful framework for…

Graphics · Computer Science 2022-08-16 Yarden Livnat , Dan Maljovec , Attila Gyulassy , Dr Baptiste Mouginot , Valerio Pascucci

We introduce a scalable witness-based persistent homology pipeline for full-brain MRI volumes that couples density-aware landmark selection with a GPU-ready witness filtration. Candidates are scored by a hybrid metric that balances…

Computational Geometry · Computer Science 2025-10-07 Jorge Leonardo Ruiz Williams

Embedding projections are popular for visualizing large datasets and models. However, people often encounter "friction" when using embedding visualization tools: (1) barriers to adoption, e.g., tedious data wrangling and loading,…

Human-Computer Interaction · Computer Science 2025-07-09 Donghao Ren , Fred Hohman , Halden Lin , Dominik Moritz

We introduce continuous indexed points for improved multivariate volume visualization. Indexed points represent linear structures in parallel coordinates and can be used to encode local correlation of multivariate (including multifield,…

Graphics · Computer Science 2025-06-25 Liang Zhou , Xinyi Gou , Daniel Weiskopf

The Edge-Based Interface Tracking (EBIT) method is a novel Front-Tracking method where the markers are located on grid edges, and their connectivity is implicitly represented by a color vertex field. This localized representation simplifies…

Fluid Dynamics · Physics 2025-10-01 Jieyun Pan , Tian Long , Ruben Scardovelli , Stéphane Popinet , Stéphane Zaleski

Bifurcation characterizes the qualitative changes in parameterized dynamical systems and is one of the major topics in the field. In this work, we study combinatorial bifurcations within the framework of combinatorial dynamical systems -- a…

Dynamical Systems · Mathematics 2026-04-13 Tamal K. Dey , Michał Lipiński , Manuel Soriano-Trigueros

The Betti tables of a multigraded module encode the grades at which there is an algebraic change in the module. Multigraded modules show up in many areas of pure and applied mathematics, and in particular in topological data analysis, where…

Computational Geometry · Computer Science 2026-02-17 Yuan Luo , Dmitriy Morozov , Luis Scoccola

Scientific simulations and experimental measurements produce vast amounts of spatio-temporal data, yet extracting meaningful insights remains challenging due to high dimensionality, complex structures, and missing information. Traditional…

Machine Learning · Computer Science 2025-12-01 Hamid Gadirov

We propose IR2Vec, a Concise and Scalable encoding infrastructure to represent programs as a distributed embedding in continuous space. This distributed embedding is obtained by combining representation learning methods with flow…

Programming Languages · Computer Science 2020-12-25 S. VenkataKeerthy , Rohit Aggarwal , Shalini Jain , Maunendra Sankar Desarkar , Ramakrishna Upadrasta , Y. N. Srikant

Graphcodes were recently introduced as a technique to employ two-parameter persistence modules in machine learning tasks (Kerber and Russold, NeurIPS 2024). We show in this work that a compressed version of graphcodes yields a description…

Algebraic Topology · Mathematics 2025-03-11 Michael Kerber , Florian Russold

3D convolutional neural networks have revealed superior performance in processing volumetric data such as video and medical imaging. However, the competitive performance by leveraging 3D networks results in huge computational costs, which…

Computer Vision and Pattern Recognition · Computer Science 2022-11-09 Dian Qin , Haishuai Wang , Zhe Liu , Hongjia Xu , Sheng Zhou , Jiajun Bu

Persistent homology theory is a relatively new but powerful method in data analysis. Using simplicial complexes, classical persistent homology is able to reveal high dimensional geometric structures of datasets, and represent them as…

Algebraic Topology · Mathematics 2023-12-05 Yaru Gao , Yan Xu , Fengchun Lei