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Stopword removal is a critical stage in many Machine Learning methods but often receives little consideration, it interferes with the model visualizations and disrupts user confidence. Inappropriately chosen or hastily omitted stopwords not…

Human-Computer Interaction · Computer Science 2025-01-20 Shuangjiang Xue , Pierre Le Bras , David A. Robb , Mike J. Chantler , Stefano Padilla

Quantization and pruning are fundamental approaches for model compression, enabling efficient inference for language models. In a post-training setting, state-of-the-art quantization and pruning methods require calibration data, a small set…

Computation and Language · Computer Science 2025-07-15 Miles Williams , George Chrysostomou , Nikolaos Aletras

Semantic segmentation networks (SSNs) are central to safety-critical applications such as medical imaging and autonomous driving, where robustness under uncertainty is essential. However, existing probabilistic verification methods often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Navid Hashemi , Samuel Sasaki , Diego Manzanas Lopez , Lars Lindemann , Ipek Oguz , Meiyi Ma , Taylor T. Johnson

Simultaneous Localisation and Mapping (SLAM) is one of the fundamental problems in autonomous mobile robots where a robot needs to reconstruct a previously unseen environment while simultaneously localising itself with respect to the map.…

Robotics · Computer Science 2022-09-13 Tin Lai

Semantic control entails steering LM generations towards satisfying subtle non-lexical constraints, e.g., toxicity, sentiment, or politeness, attributes that can be captured by a sequence-level verifier. It can thus be viewed as sampling…

Machine Learning · Computer Science 2025-05-06 Kareem Ahmed , Catarina G Belem , Padhraic Smyth , Sameer Singh

Common practice in modern machine learning involves fitting a large number of parameters relative to the number of observations. These overparameterized models can exhibit surprising generalization behavior, e.g., ``double descent'' in the…

Machine Learning · Statistics 2024-10-03 Pratik Patil , Jin-Hong Du , Ryan J. Tibshirani

In object-based Simultaneous Localization and Mapping (SLAM), 6D object poses offer a compact representation of landmark geometry useful for downstream planning and manipulation tasks. However, measurement ambiguity then arises as objects…

Robotics · Computer Science 2021-08-04 Jiahui Fu , Qiangqiang Huang , Kevin Doherty , Yue Wang , John J. Leonard

Determining the position and orientation of a sensor vis-a-vis its surrounding, while simultaneously mapping the environment around that sensor or simultaneous localization and mapping is quickly becoming an important advancement in…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Joonas Lomps , Artjom Lind , Amnir Hadachi

Detecting semantic parts of an object is a challenging task in computer vision, particularly because it is hard to construct large annotated datasets due to the difficulty of annotating semantic parts. In this paper we present an approach…

Computer Vision and Pattern Recognition · Computer Science 2019-09-16 Yutong Bai , Qing Liu , Lingxi Xie , Weichao Qiu , Yan Zheng , Alan Yuille

Despite the remarkable performance of generative large language models (LLMs) on abstractive summarization, they face two significant challenges: their considerable size and tendency to hallucinate. Hallucinations are concerning because…

Computation and Language · Computer Science 2024-10-28 George Chrysostomou , Zhixue Zhao , Miles Williams , Nikolaos Aletras

In order to perform autonomous sequential manipulation tasks, perception in cluttered scenes remains a critical challenge for robots. In this paper, we propose a probabilistic approach for robust sequential scene estimation and manipulation…

Robotics · Computer Science 2017-03-23 Zhiqiang Sui , Zheming Zhou , Zhen Zeng , Odest Chadwicke Jenkins

Recently, the philosophy of visual saliency and attention has started to gain popularity in the robotics community. Therefore, this paper aims to mimic this mechanism in SLAM framework by using saliency prediction model. Comparing with…

Robotics · Computer Science 2020-12-23 Ke Wang , Sai Ma , Junlan Chen , Jianbo Lu

We consider the task of training machine learning models with data-dependent constraints. Such constraints often arise as empirical versions of expected value constraints that enforce fairness or stability goals. We reformulate…

Machine Learning · Statistics 2023-01-18 Songkai Xue , Yuekai Sun , Mikhail Yurochkin

Historically, the Natural Language Processing area has been given too much attention by many researchers. One of the main motivation beyond this interest is related to the word prediction problem, which states that given a set words in a…

Computation and Language · Computer Science 2018-03-05 Henrique X. Goulart , Mauro D. L. Tosi , Daniel Soares Gonçalves , Rodrigo F. Maia , Guilherme A. Wachs-Lopes

Zero-shot text classification typically relies on prompt engineering, but the inherent prompt brittleness of large language models undermines its reliability. Minor changes in prompt can cause significant discrepancies in model performance.…

Computation and Language · Computer Science 2025-04-07 Junlang Qian , Zixiao Zhu , Hanzhang Zhou , Zijian Feng , Zepeng Zhai , Kezhi Mao

The development of data innovation as of late and the expanded limit, has permitted the acquaintance of artificial vision connected with SLAM, offering ascend to what is known as Visual SLAM. The objective of this paper is to build up a…

Computer Vision and Pattern Recognition · Computer Science 2018-10-19 V. I Mebin Jose , D. J Binoj

Many problems in robotics involve both continuous and discrete components, and modeling them together for estimation tasks has been a long standing and difficult problem. Hybrid Factor Graphs give us a mathematical framework to model these…

Robotics · Computer Science 2026-05-04 Varun Agrawal , Frank Dellaert

We present a Bayesian object observation model for complete probabilistic semantic SLAM. Recent studies on object detection and feature extraction have become important for scene understanding and 3D mapping. However, 3D shape of the object…

Robotics · Computer Science 2018-09-17 H. W. Yu , B. H. Le

Sharpness-Aware Minimization (SAM) has emerged as a powerful method for improving generalization in machine learning models by minimizing the sharpness of the loss landscape. However, despite its success, several important questions…

Optimization and Control · Mathematics 2025-03-05 Dimitris Oikonomou , Nicolas Loizou

Although recent provable methods have been developed to compute preimage bounds for neural networks, their scalability is fundamentally limited by the #P-hardness of the problem. In this work, we adopt a novel probabilistic perspective,…

Machine Learning · Computer Science 2025-11-18 Luca Marzari , Manuele Bicego , Ferdinando Cicalese , Alessandro Farinelli