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Accurate multi-step port-of-call sequence prediction is vital for tactical resource orchestration and logistical efficiency. However, existing methods struggle with unreliable voyage schedules and the inability of AIS data to provide…

Machine Learning · Computer Science 2026-05-18 Yanzhao Su , Fang He , Yineng Wang

Remote sensing change detection aims to compare two or more images recorded for the same area but taken at different time stamps to quantitatively and qualitatively assess changes in geographical entities and environmental factors.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Xiaowen Ma , Zhenkai Wu , Rongrong Lian , Wei Zhang , Siyang Song

Transformer architectures rely on position encodings to model the spatial structure of input data. Rotary Position Encoding (RoPE) is a widely used method in language models that encodes relative positions through fixed, block-diagonal,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Sophie Ostmeier , Brian Axelrod , Maya Varma , Michael E. Moseley , Akshay Chaudhari , Curtis Langlotz

Orthogonal frequency division multiplexing (OFDM) is a widely adopted wireless communication technique but is sensitive to the carrier frequency offset (CFO). For high-mobility environments, severe Doppler shifts cause the CFO to extend…

Signal Processing · Electrical Eng. & Systems 2023-12-29 Wei Huang , Jun Wang , Xiaoping Li , Qihang Peng

Recent technological advancements have enabled proliferated use of small embedded and IoT devices for collecting, processing, and transferring the security-critical information and user data. This exponential use has acted as a catalyst in…

Cryptography and Security · Computer Science 2021-01-18 Avani Dave , Nilanjan Banerjee , Chintan Patel

We present a new table structure recognition (TSR) approach, called TSRFormer, to robustly recognizing the structures of complex tables with geometrical distortions from various table images. Unlike previous methods, we formulate table…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Weihong Lin , Zheng Sun , Chixiang Ma , Mingze Li , Jiawei Wang , Lei Sun , Qiang Huo

Fraud across the decentralized finance (DeFi) ecosystem is growing, with victims losing billions to DeFi scams every year. However, there is a disconnect between the reported value of these scams and associated legal prosecutions. We use…

Cryptography and Security · Computer Science 2023-05-29 Arianna Trozze , Toby Davies , Bennett Kleinberg

Error correction code is a major part of the communication physical layer, ensuring the reliable transfer of data over noisy channels. Recently, neural decoders were shown to outperform classical decoding techniques. However, the existing…

Machine Learning · Computer Science 2022-03-30 Yoni Choukroun , Lior Wolf

Detecting anomalies has become increasingly critical to the financial service industry. Anomalous events are often indicative of illegal activities such as fraud, identity theft, network intrusion, account takeover, and money laundering.…

Machine Learning · Computer Science 2021-01-06 Hongda Shen , Eren Kursun

Referring Expression Comprehension (REC) aims to localize the target objects specified by free-form natural language descriptions in images. While state-of-the-art methods achieve impressive performance, they perform a dense perception of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Wei Su , Peihan Miao , Huanzhang Dou , Xi Li

This paper systematically reviews advancements in deep learning (DL) techniques for financial fraud detection, a critical issue in the financial sector. Using the Kitchenham systematic literature review approach, 57 studies published…

Machine Learning · Computer Science 2025-07-31 Yisong Chen , Chuqing Zhao , Yixin Xu , Chuanhao Nie , Yixin Zhang

Tor is a widely used anonymity network that conceals user identities by routing traffic through encrypted relays, yet it remains vulnerable to traffic correlation attacks that deanonymize users by matching patterns in ingress and egress…

Cryptography and Security · Computer Science 2025-12-02 Binghui Wu , Dinil Mon Divakaran , Levente Csikor , Mohan Gurusamy

Text in natural images is of arbitrary orientations, requiring detection in terms of oriented bounding boxes. Normally, a multi-oriented text detector often involves two key tasks: 1) text presence detection, which is a classification…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Minghui Liao , Zhen Zhu , Baoguang Shi , Gui-song Xia , Xiang Bai

With the explosive growth of e-commerce, online transaction fraud has become one of the biggest challenges for e-commerce platforms. The historical behaviors of users provide rich information for digging into the users' fraud risk. While…

Machine Learning · Computer Science 2021-05-21 Dongbo Xi , Bowen Song , Fuzhen Zhuang , Yongchun Zhu , Shuai Chen , Tianyi Zhang , Yuan Qi , Qing He

Machine learning plays an essential role in preventing financial losses in the banking industry. Perhaps the most pertinent prediction task that can result in billions of dollars in losses each year is the assessment of credit risk (i.e.,…

Risk Management · Quantitative Finance 2021-01-01 Jillian M. Clements , Di Xu , Nooshin Yousefi , Dmitry Efimov

The automated reconstruction of the logical arrangement of tables from image data, termed Table Structure Recognition (TSR), is fundamental for semantic data extraction. Recently, researchers have explored a wide range of techniques to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Nam Quan Nguyen , Xuan Phong Pham , Tuan-Anh Tran

Structured reconstruction is a non-trivial dense prediction problem, which extracts structural information (\eg, building corners and edges) from a raster image, then reconstructs it to a 2D planar graph accordingly. Compared with common…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Hongbo Tian , Yulong Li , Linzhi Huang , Xu Ling , Yue Yang , Jiani Hu

Deepfake detection refers to detecting artificially generated or edited faces in images or videos, which plays an essential role in visual information security. Despite promising progress in recent years, Deepfake detection remains a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Chunlei Peng , Huiqing Guo , Decheng Liu , Nannan Wang , Ruimin Hu , Xinbo Gao

Remote run-time attestation methods, including Control Flow Attestation (CFA) and Data Flow Attestation (DFA), have been proposed to generate precise evidence of execution's control flow path (in CFA) and optionally execution data inputs…

Cryptography and Security · Computer Science 2025-07-08 Adam Caulfield , Norrathep Rattanavipanon , Ivan De Oliveira Nunes

There is a growing trend to outsource the inference task of large transformer models to cloud servers. However, this poses a severe threat to users' private data as they are exposed to cloud servers after uploading. Although several works…

Cryptography and Security · Computer Science 2024-03-26 Weize Wang , Yi Kuang