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Despite remarkable performance in producing realistic samples, Generative Adversarial Networks (GANs) often produce low-quality samples near low-density regions of the data manifold, e.g., samples of minor groups. Many techniques have been…

Machine Learning · Computer Science 2021-10-28 Jinhee Lee , Haeri Kim , Youngkyu Hong , Hye Won Chung

This paper proposes an innovative Attention-GAN framework for enhancing cybersecurity, focusing on anomaly detection. In response to the challenges posed by the constantly evolving nature of cyber threats, the proposed approach aims to…

Cryptography and Security · Computer Science 2024-02-29 Mohammed Abo Sen

In this work, we present SynTable, a unified and flexible Python-based dataset generator built using NVIDIA's Isaac Sim Replicator Composer for generating high-quality synthetic datasets for unseen object amodal instance segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Zhili Ng , Haozhe Wang , Zhengshen Zhang , Francis Tay Eng Hock , Marcelo H. Ang

We present a task-aware approach to synthetic data generation. Our framework employs a trainable synthesizer network that is optimized to produce meaningful training samples by assessing the strengths and weaknesses of a `target' network.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Shashank Tripathi , Siddhartha Chandra , Amit Agrawal , Ambrish Tyagi , James M. Rehg , Visesh Chari

This paper focuses on fruit defect detection and glare removal using morphological operations, Glare removal can be considered as an important preprocessing step as uneven lighting may introduce it in images, which hamper the results…

Computer Vision and Pattern Recognition · Computer Science 2012-04-05 Vini Katyal , Deepesh Srivastava

The bottleneck in learning-based industrial defect detection is often limited not by model capacity, but by the scarcity of labeled defect data: defects are rare, annotations are expensive, and collecting balanced training sets is slow. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Paul Julius Kühn , Mika Pommeranz , Arjan Kuijper , Saptarshi Neil Sinha

Synthetic tabular data generation becomes crucial when real data is limited, expensive to collect, or simply cannot be used due to privacy concerns. However, producing good quality synthetic data is challenging. Several probabilistic,…

Machine Learning · Computer Science 2024-06-11 Vikram S Chundawat , Ayush K Tarun , Murari Mandal , Mukund Lahoti , Pratik Narang

Crop classification using remote sensing data has emerged as a prominent research area in recent decades. Studies have demonstrated that fusing SAR and optical images can significantly enhance the accuracy of classification. However, a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Ali Mirzaei , Hossein Bagheri , Iman Khosravi

While the accuracy of face recognition systems has improved significantly in recent years, the datasets used to train these models are often collected through web crawling without the explicit consent of users, raising ethical and privacy…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Anjith George , Sebastien Marcel

Generative Adversarial Networks (GANs) can help overcome data scarcity in computer vision tasks by generating additional training samples. In this work, we explore generative data augmentation in two low-resource domains: Bangla handwritten…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Md. Sohanuzzaman Soad , Mahady Al Hady , S M Rafiuddin Rifat , Sudip Ghose

Generating synthetic datasets for training face recognition models is challenging because dataset generation entails more than creating high fidelity images. It involves generating multiple images of same subjects under different factors…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Minchul Kim , Feng Liu , Anil Jain , Xiaoming Liu

We introduce a data-driven anomaly detection framework using a manufacturing dataset collected from a factory assembly line. Given heterogeneous time series data consisting of operation cycle signals and sensor signals, we aim at…

Artificial Intelligence · Computer Science 2022-02-11 Kyeong-Joong Jeong , Jin-Duk Park , Kyusoon Hwang , Seong-Lyun Kim , Won-Yong Shin

The advent of deep learning has brought a significant improvement in the quality of generated media. However, with the increased level of photorealism, synthetic media are becoming hardly distinguishable from real ones, raising serious…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Diego Gragnaniello , Davide Cozzolino , Francesco Marra , Giovanni Poggi , Luisa Verdoliva

Anomaly detection consists in identifying, within a dataset, those samples that significantly differ from the majority of the data, representing the normal class. It has many practical applications, e.g. ranging from defective product…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Pankaj Mishra , Claudio Piciarelli , Gian Luca Foresti

This paper studies the problem of detecting anomalous graphs using a machine learning model trained on only normal graphs, which has many applications in molecule, biology, and social network data analysis. We present a self-discriminative…

Machine Learning · Computer Science 2023-10-11 Jinyu Cai , Yunhe Zhang , Jicong Fan

Generative Adversarial Networks (GANs) have been used widely to generate large volumes of synthetic data. This data is being utilized for augmenting with real examples in order to train deep Convolutional Neural Networks (CNNs). Studies…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Binod Bhattarai , Seungryul Baek , Rumeysa Bodur , Tae-Kyun Kim

Anomaly detection (AD) is a fundamental task in computer vision. It aims to identify incorrect image data patterns which deviate from the normal ones. Conventional methods generally address AD by preparing augmented negative samples to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Jianjian Qin , Chunzhi Gu , Jun Yu , Chao Zhang

Deep learning techniques involving image processing and data analysis are constantly evolving. Many domains adapt these techniques for object segmentation, instantiation and classification. Recently, agricultural industries adopted those…

Computer Vision and Pattern Recognition · Computer Science 2019-03-21 Dmitry Kuznichov , Alon Zvirin , Yaron Honen , Ron Kimmel

Graph anomaly detection (GAD) is widely applied in many areas, such as financial fraud detection and social spammer detection. Anomalous nodes in the graph not only impact their own communities but also create a ripple effect on neighbors…

Machine Learning · Computer Science 2026-01-19 Zhu Wang , Junnan Dong , Shuang Zhou , Chang Yang , Shengjie Zhao , Xiao Huang

Automatic detection of anomalies such as weapons or threat objects in baggage security, or detecting impaired items in industrial production is an important computer vision task demanding high efficiency and accuracy. Most of the available…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Rushikesh Zawar , Krupa Bhayani , Neelanjan Bhowmik , Kamlesh Tiwari , Dhiraj Sangwan