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Moment estimation is an important problem during circuit validation, in both pre-Silicon and post-Silicon stages. From the estimated moments, the probability of failure and parametric yield can be estimated at each circuit configuration and…

Other Computer Science · Computer Science 2014-04-01 Chenjie Gu , Manzil Zaheer , Xin Li

This paper evaluates six strategies for mitigating imbalanced data: oversampling, undersampling, ensemble methods, specialized algorithms, class weight adjustments, and a no-mitigation approach referred to as the baseline. These strategies…

Machine Learning · Computer Science 2023-11-13 Jacques Wainer

The problem of class imbalanced data is that the generalization performance of the classifier deteriorates due to the lack of data from minority classes. In this paper, we propose a novel minority over-sampling method to augment diversified…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Seulki Park , Youngkyu Hong , Byeongho Heo , Sangdoo Yun , Jin Young Choi

In many real-world pattern recognition scenarios, such as in medical applications, the corresponding classification tasks can be of an imbalanced nature. In the current study, we focus on binary, imbalanced classification tasks, i.e.~binary…

Machine Learning · Computer Science 2020-12-01 Peter Bellmann , Heinke Hihn , Daniel A. Braun , Friedhelm Schwenker

Recent advances in machine translation (MT) have shown that Minimum Bayes Risk (MBR) decoding can be a powerful alternative to beam search decoding, especially when combined with neural-based utility functions. However, the performance of…

Computation and Language · Computer Science 2023-05-19 Markus Freitag , Behrooz Ghorbani , Patrick Fernandes

Data imbalance presents a significant challenge in various machine learning (ML) tasks, particularly named entity recognition (NER) within natural language processing (NLP). NER exhibits a data imbalance with a long-tail distribution,…

Computation and Language · Computer Science 2025-01-22 Sota Nemoto , Shunsuke Kitada , Hitoshi Iyatomi

Balancing the data before training a classifier is a popular technique to address the challenges of imbalanced binary classification in tabular data. Balancing is commonly achieved by duplication of minority samples or by generation of…

Machine Learning · Computer Science 2022-05-12 Yotam Elor , Hadar Averbuch-Elor

Imbalanced learning (IL), i.e., learning unbiased models from class-imbalanced data, is a challenging problem. Typical IL methods including resampling and reweighting were designed based on some heuristic assumptions. They often suffer from…

Machine Learning · Computer Science 2020-10-20 Zhining Liu , Pengfei Wei , Jing Jiang , Wei Cao , Jiang Bian , Yi Chang

Given the inherent class imbalance issue within student performance datasets, samples belonging to the edges of the target class distribution pose a challenge for predictive machine learning algorithms to learn. In this paper, we introduce…

Machine Learning · Computer Science 2021-01-05 Dom Huh

Sampling from constrained distributions has a wide range of applications, including in Bayesian optimization and robotics. Prior work establishes convergence and feasibility guarantees for constrained sampling, but assumes that the feasible…

Machine Learning · Computer Science 2026-05-13 Cornelius V. Braun , Tilman Burghoff , Marc Toussaint

Multimodal data is a precious asset enabling a variety of downstream tasks in machine learning. However, real-world data collected across different modalities is often not paired, which is a significant challenge to learn a joint…

Machine Learning · Computer Science 2025-08-11 Mustapha Bounoua , Giulio Franzese , Pietro Michiardi

Subspace segmentation or subspace learning is a challenging and complicated task in machine learning. This paper builds a primary frame and solid theoretical bases for the minimal subspace segmentation (MSS) of finite samples. Existence and…

Machine Learning · Computer Science 2019-09-10 Zhenyue Zhang , Yuqing Xia

In several application areas, such as medical diagnosis, spam filtering, fraud detection, and seismic data analysis, it is very usual to find relevant classification tasks where some class occurrences are rare. This is the so called class…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Ruy Luiz Milidiú , Luis Felipe Müller

Machine learning-based failure management in optical networks has gained significant attention in recent years. However, severe class imbalance, where normal instances vastly outnumber failure cases, remains a considerable challenge. While…

Simulated Moving Bed (SMB) chromatography is a well-known technique for the resolution of several high-value-added compounds. Parameters identification and model topology definition are arduous when one is dealing with complex systems such…

This paper employs a recently developed asymptotic Bayesian multi-hypothesis testing (MHT) error analysis to treat the problem of superresolution imaging of a pair of closely spaced, equally bright point sources. The analysis exploits the…

Optics · Physics 2015-06-19 Sudhakar Prasad

Real-world classification tasks are frequently required to work in an open-set setting. This is especially challenging for few-shot learning problems due to the small sample size for each known category, which prevents existing open-set…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Jedrzej Kozerawski , Matthew Turk

Mini-batch optimal transport (m-OT) has been successfully used in practical applications that involve probability measures with a very high number of supports. The m-OT solves several smaller optimal transport problems and then returns the…

Machine Learning · Statistics 2022-06-08 Khai Nguyen , Dang Nguyen , Quoc Nguyen , Tung Pham , Hung Bui , Dinh Phung , Trung Le , Nhat Ho

Current semi-supervised object detection (SSOD) algorithms typically assume class balanced datasets (PASCAL VOC etc.) or slightly class imbalanced datasets (MS-COCO, etc). This assumption can be easily violated since real world datasets can…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jiaming Li , Xiangru Lin , Wei Zhang , Xiao Tan , Yingying Li , Junyu Han , Errui Ding , Jingdong Wang , Guanbin Li

Purpose: Malicious web domain identification is of significant importance to the security protection of Internet users. With online credibility and performance data, this paper aims to investigate the use of machine learning tech-niques for…

Machine Learning · Computer Science 2018-10-22 Zhongyi Hu , Raymond Chiong , Ilung Pranata , Yukun Bao , Yuqing Lin