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Related papers: PIXAL: Anomaly Reasoning with Visual Analytics

200 papers

Automatic anomaly detection based on visual cues holds practical significance in various domains, such as manufacturing and product quality assessment. This paper introduces a new conditional anomaly detection problem, which involves…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Ankan Bhunia , Changjian Li , Hakan Bilen

Detecting anomalies is important for identifying inefficiencies, errors, or fraud in business processes. Traditional process mining approaches focus on analyzing 'flattened', sequential, event logs based on a single case notion. However,…

Statistical Finance · Quantitative Finance 2024-03-05 Alessandro Niro , Michael Werner

While new and effective methods for anomaly detection are frequently introduced, many studies prioritize the detection task without considering the need for explainability. Yet, in real-world applications, anomaly explanation, which aims to…

Machine Learning · Computer Science 2023-12-19 Cheng Feng

In many applications, an anomaly detection system presents the most anomalous data instance to a human analyst, who then must determine whether the instance is truly of interest (e.g. a threat in a security setting). Unfortunately, most…

Artificial Intelligence · Computer Science 2015-03-03 Md Amran Siddiqui , Alan Fern , Thomas G. Dietterich , Weng-Keen Wong

We present HCLA, a human-centered multi-agent system for anomaly detection in digital-asset transactions. The system integrates three cognitively aligned roles: Rule Abstraction, Evidence Scoring, and Expert-Style Justification. These roles…

Artificial Intelligence · Computer Science 2026-03-10 Gyuyeon Na , Minjung Park , Hyeonjeong Cha , Sangmi Chai

In this paper, we propose an autonomous information seeking visual question answering framework, AVIS. Our method leverages a Large Language Model (LLM) to dynamically strategize the utilization of external tools and to investigate their…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Ziniu Hu , Ahmet Iscen , Chen Sun , Kai-Wei Chang , Yizhou Sun , David A Ross , Cordelia Schmid , Alireza Fathi

Abductive reasoning seeks the likeliest possible explanation for partial observations. Although abduction is frequently employed in human daily reasoning, it is rarely explored in computer vision literature. In this paper, we propose a new…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Chen Liang , Wenguan Wang , Tianfei Zhou , Yi Yang

Missing data is an important problem in machine learning practice. Starting from the premise that imputation methods should preserve the causal structure of the data, we develop a regularization scheme that encourages any baseline…

Machine Learning · Computer Science 2021-11-08 Trent Kyono , Yao Zhang , Alexis Bellot , Mihaela van der Schaar

The leading workhorse of anomaly (and attack) detection in the literature has been residual-based detectors, where the residual is the discrepancy between the observed output provided by the sensors (inclusive of any tampering along the…

Systems and Control · Electrical Eng. & Systems 2020-04-17 Navid Hashemi , Eduardo Verdugo German , Jonatan Pena Ramirez , Justin Ruths

Streaming anomaly detection requires algorithms that operate under strict constraints: bounded memory, single-pass processing, and constant-time complexity. We present PySAD, a comprehensive Python framework addressing these challenges…

Machine Learning · Computer Science 2025-05-27 Selim F. Yilmaz , Suleyman S. Kozat

Detecting outliers or anomalies is a common data analysis task. As a sub-field of unsupervised machine learning, a large variety of approaches exist, but the vast majority treats the input features as independent and often fails to…

Machine Learning · Computer Science 2021-02-05 Jörn Hees , Dayananda Herurkar , Mario Meier

This paper focuses on detecting anomalies in surveillance video using keywords by leveraging foundational models' feature representation generalization capabilities. We present a novel, lightweight pipeline for anomaly classification using…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Thomas Foltz

This paper proposes a strategy for the detection and triangulation of structural anomalies in solid media. The method revolves around the construction of sparse representations of the medium's dynamic response, obtained by learning…

Computer Vision and Pattern Recognition · Computer Science 2014-05-13 Jeffrey M. Druce , Jarvis D. Haupt , Stefano Gonella

When building artificial intelligence systems that can reason and answer questions about visual data, we need diagnostic tests to analyze our progress and discover shortcomings. Existing benchmarks for visual question answering can help,…

Computer Vision and Pattern Recognition · Computer Science 2016-12-22 Justin Johnson , Bharath Hariharan , Laurens van der Maaten , Li Fei-Fei , C. Lawrence Zitnick , Ross Girshick

One-class anomaly detection aims to detect objects that do not belong to a predefined normal class. In practice training data lack those anomalous samples; hence state-of-the-art methods are trained to discriminate between normal and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Romain Hermary , Vincent Gaudillière , Abd El Rahman Shabayek , Djamila Aouada

Execution monitoring is essential for robots to detect and respond to failures. Since it is impossible to enumerate all failures for a given task, we learn from successful executions of the task to detect visual anomalies during runtime.…

Robotics · Computer Science 2025-08-26 Santosh Thoduka , Juergen Gall , Paul G. Plöger

Replicating In-Context Learning (ICL) in computer vision remains challenging due to task heterogeneity. We propose \textbf{VIRAL}, a framework that elicits visual reasoning from a pre-trained image editing model by formulating ICL as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Zhiwen Li , Zhongjie Duan , Jinyan Ye , Cen Chen , Daoyuan Chen , Yaliang Li , Yingda Chen

Pixel-based language models have emerged as a compelling alternative to subword-based language modelling, particularly because they can represent virtually any script. PIXEL, a canonical example of such a model, is a vision transformer that…

Computation and Language · Computer Science 2024-10-17 Kushal Tatariya , Vladimir Araujo , Thomas Bauwens , Miryam de Lhoneux

Unsupervised anomaly detection methods can identify surface defects in industrial images by leveraging only normal samples for training. Due to the risk of overfitting when learning from a single class, anomaly synthesis strategies are…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Qiyu Chen , Huiyuan Luo , Han Gao , Chengkan Lv , Zhengtao Zhang

Analogical reasoning is a powerful qualitative reasoning tool that enables humans to connect two situations, and to generalize their knowledge from familiar to novel situations. Cognitive Science research provides valuable insights into the…

Artificial Intelligence · Computer Science 2022-06-28 Thiloshon Nagarajah , Filip Ilievski , Jay Pujara