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We used interpretable machine learning to combine information from multiple heterogeneous spectra: X-ray absorption near-edge spectra (XANES) and atomic pair distribution functions (PDFs) to extract local structural and chemical…

Materials Science · Physics 2025-04-14 Tanaporn Na Narong , Zoe N. Zachko , Steven B. Torrisi , Simon J. L. Billinge

Encryption-based cyber threats continue to evolve, employing increasingly sophisticated techniques to bypass traditional detection mechanisms. Many existing classification strategies depend on static rule sets, signature-based matching, or…

In this paper, we introduce the Phantom Domain Finite Element Method (PDFEM), a novel computational approach tailored for the efficient analysis of heterogeneous and composite materials. Inspired by fictitious domain methods, this method…

Numerical Analysis · Mathematics 2025-05-06 Tianlong He , Philippe Karamian-Surville , Daniel Choï

Protecting software supply chains from malicious packages is paramount in the evolving landscape of software development. Attacks on the software supply chain involve attackers injecting harmful software into commonly used packages or…

Cryptography and Security · Computer Science 2024-02-13 S. Halder , M. Bewong , A. Mahboubi , Y. Jiang , R. Islam , Z. Islam , R. Ip , E. Ahmed , G. Ramachandran , A. Babar

In the rapidly evolving landscape of digital content, the task of summarizing multimedia documents, which encompass textual, visual, and auditory elements, presents intricate challenges. These challenges include extracting pertinent…

Multimedia · Computer Science 2024-12-30 Azze-Eddine Maredj , Madjid Sadallah

Malware is a significant threat to the security of computer systems and networks which requires sophisticated techniques to analyze the behavior and functionality for detection. Traditional signature-based malware detection methods have…

Cryptography and Security · Computer Science 2023-06-22 Shaswata Mitra , Stephen A. Torri , Sudip Mittal

With the rapid proliferation and increased sophistication of malicious software (malware), detection methods no longer rely only on manually generated signatures but have also incorporated more general approaches like machine learning…

Machine Learning · Computer Science 2020-01-24 Felipe N. Ducau , Ethan M. Rudd , Tad M. Heppner , Alex Long , Konstantin Berlin

Document Presentation Attack Detection (DPAD) is an important measure in protecting the authenticity of a document image. However, recent DPAD methods demand additional resources, such as manual effort in collecting additional data or…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Changsheng Chen , Yongyi Deng , Liangwei Lin , Zitong Yu , Zhimao Lai

If two probability density functions (PDFs) have values for their first $n$ moments which are quite close to each other (upper bounds of their differences are known), can it be expected that the PDFs themselves are very similar? Shown below…

Statistics Theory · Mathematics 2018-08-16 Pranava Chaitanya Jayanti , Konstantina Trivisa

We propose a set of techniques to efficiently importance sample the derivatives of several BRDF models. In differentiable rendering, BRDFs are replaced by their differential BRDF counterparts which are real-valued and can have negative…

Graphics · Computer Science 2023-04-11 Yash Belhe , Bing Xu , Sai Praveen Bangaru , Ravi Ramamoorthi , Tzu-Mao Li

In Document Understanding, the challenge of reconstructing damaged, occluded, or incomplete text remains a critical yet unexplored problem. Subsequent document understanding tasks can benefit from a document reconstruction process. In…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Kunal Purkayastha , Ayan Banerjee , Josep Llados , Umapada Pal

Modern threat landscapes continue to evolve with increasing sophistication, challenging traditional detection methodologies and necessitating innovative solutions capable of addressing complex adversarial tactics. A novel framework was…

Cryptography and Security · Computer Science 2025-03-27 Levi Gareth , Maximilian Fairbrother , Peregrine Blackwood , Lucasta Underhill , Benedict Ruthermore

Malware can greatly compromise the integrity and trustworthiness of information and is in a constant state of evolution. Existing feature fusion-based detection methods generally overlook the correlation between features. And mere…

Cryptography and Security · Computer Science 2024-11-25 Binghui Zou , Chunjie Cao , Longjuan Wang , Yinan Cheng , Chenxi Dang , Ying Liu , Jingzhang Sun

Advances in large language models have notably enhanced the efficiency of information extraction from unstructured and semi-structured data sources. As these technologies become integral to various applications, establishing an objective…

This paper introduces a new approach to extract and analyze vector data from technical drawings in PDF format. Our method involves converting PDF files into SVG format and creating a feature-rich graph representation, which captures the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Andrea Carrara , Stavros Nousias , André Borrmann

Malicious websites are responsible for a majority of the cyber-attacks and scams today. Malicious URLs are delivered to unsuspecting users via email, text messages, pop-ups or advertisements. Clicking on or crawling such URLs can result in…

Cryptography and Security · Computer Science 2019-10-15 Apoorva Joshi , Levi Lloyd , Paul Westin , Srini Seethapathy

Extracting information from unstructured text documents is a demanding task, since these documents can have a broad variety of different layouts and a non-trivial reading order, like it is the case for multi-column documents or nested…

Artificial Intelligence · Computer Science 2022-02-08 Matthias Engelbach , Dennis Klau , Jens Drawehn , Maximilien Kintz

A probability density function (PDF) of a spatially dependent field provides a means of calculating moments of the field or, equivalently, the proportion of a spatial domain that is mapped to a given set of values. This paper describes a…

Fluid Dynamics · Physics 2025-01-10 Paul M. Mannix , David A. Ham , John Craske

Extracting texts of various size and shape from images containing multiple objects is an important problem in many contexts, especially, in connection to e-commerce, augmented reality assistance system in natural scene, etc. The existing…

Computer Vision and Pattern Recognition · Computer Science 2019-07-03 Pranay Dugar , Anirban Chatterjee , Rajesh Shreedhar Bhat , Saswata Sahoo

For classification problems, feature extraction is a crucial process which aims to find a suitable data representation that increases the performance of the machine learning algorithm. According to the curse of dimensionality theorem, the…

Machine Learning · Computer Science 2010-10-12 Ilknur Icke , Andrew Rosenberg