English
Related papers

Related papers: Dataset Diversity Metrics and Impact on Classifica…

200 papers

Measuring uncertainty is a promising technique for detecting adversarial examples, crafted inputs on which the model predicts an incorrect class with high confidence. But many measures of uncertainty exist, including predictive en- tropy…

Machine Learning · Statistics 2018-03-26 Lewis Smith , Yarin Gal

The diversity across outputs generated by LLMs shapes perception of their quality and utility. High lexical diversity is often desirable, but there is no standard method to measure this property. Templated answer structures and ``canned''…

Computation and Language · Computer Science 2026-02-19 Chantal Shaib , Venkata S. Govindarajan , Joe Barrow , Jiuding Sun , Alexa F. Siu , Byron C. Wallace , Ani Nenkova

Supervised learning techniques typically assume training data originates from the target population. Yet, in reality, dataset shift frequently arises, which, if not adequately taken into account, may decrease the performance of their…

Large language models (LLMs) are widely adopted to generate synthetic datasets for various natural language processing (NLP) tasks, such as text classification and summarization. However, accurately measuring the diversity of these…

Computation and Language · Computer Science 2025-08-15 Yuchang Zhu , Huizhe Zhang , Bingzhe Wu , Jintang Li , Zibin Zheng , Peilin Zhao , Liang Chen , Yatao Bian

Machine learning algorithms are fundamental components of novel data-informed Artificial Intelligence architecture. In this domain, the imperative role of representative datasets is a cornerstone in shaping the trajectory of artificial…

Machine Learning · Computer Science 2024-04-16 Javier Perera-Lago , Víctor Toscano-Durán , Eduardo Paluzo-Hidalgo , Sara Narteni , Matteo Rucco

The development of foundation models for brain MRI depends critically on the scale, diversity, and consistency of available data, yet systematic assessments of these factors remain scarce. In this study, we analyze 54 publicly accessible…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Minh Sao Khue Luu , Margaret V. Benedichuk , Ekaterina I. Roppert , Roman M. Kenzhin , Bair N. Tuchinov

In deep learning applications, robustness measures the ability of neural models that handle slight changes in input data, which could lead to potential safety hazards, especially in safety-critical applications. Pre-deployment assessment of…

Software Engineering · Computer Science 2024-04-26 Wenchuan Mu , Kwan Hui Lim

This paper investigates discrepancies in how neural networks learn from different imaging domains, which are commonly overlooked when adopting computer vision techniques from the domain of natural images to other specialized domains such as…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Nicholas Konz , Maciej A. Mazurowski

Deep learning (DL) has demonstrated its innate capacity to independently learn hierarchical features from complex and multi-dimensional data. A common understanding is that its performance scales up with the amount of training data. Another…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Sivaramakrishnan Rajaraman , Ghada Zamzmi , Feng Yang , Zhaohui Liang , Zhiyun Xue , Sameer Antani

The adoption of deep learning across various fields has been extensive, yet there is a lack of focus on evaluating the performance of deep learning pipelines. Typically, with the increased use of large datasets and complex models, the…

Machine Learning · Computer Science 2024-05-21 Yewen Fan , Nian Si , Xiangchen Song , Kun Zhang

Diversity maximization aims to select a diverse and representative subset of items from a large dataset. It is a fundamental optimization task that finds applications in data summarization, feature selection, web search, recommender…

Data Structures and Algorithms · Computer Science 2023-04-27 Yanhao Wang , Michael Mathioudakis , Jia Li , Francesco Fabbri

Systematic mislabelling affecting specific subgroups (i.e., label bias) in medical imaging datasets represents an understudied issue concerning the fairness of medical AI systems. In this work, we investigated how size and separability of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Emma A. M. Stanley , Raghav Mehta , Mélanie Roschewitz , Nils D. Forkert , Ben Glocker

Hand-crafted features extracted from dynamic contrast-enhanced magnetic resonance images (DCE-MRIs) have shown strong predictive abilities in characterization of breast lesions. However, heterogeneity across medical image datasets hinders…

Medical Physics · Physics 2017-01-17 Natalia Antropova , Benjamin Huynh , Maryellen Giger

We present a theory of ensemble diversity, explaining the nature of diversity for a wide range of supervised learning scenarios. This challenge has been referred to as the holy grail of ensemble learning, an open research issue for over 30…

Machine Learning · Computer Science 2024-02-08 Danny Wood , Tingting Mu , Andrew Webb , Henry Reeve , Mikel Luján , Gavin Brown

We first exhibit a multimodal image registration task, for which a neural network trained on a dataset with noisy labels reaches almost perfect accuracy, far beyond noise variance. This surprising auto-denoising phenomenon can be explained…

Machine Learning · Computer Science 2021-02-11 Guillaume Charpiat , Nicolas Girard , Loris Felardos , Yuliya Tarabalka

There has been significant research done on developing methods for improving robustness to distributional shift and uncertainty estimation. In contrast, only limited work has examined developing standard datasets and benchmarks for…

The performance of machine learning models relies heavily on the quality of input data, yet real-world applications often face significant data-related challenges. A common issue arises when curating training data or deploying models: two…

Machine Learning · Computer Science 2025-09-24 Varun Babbar , Zhicheng Guo , Cynthia Rudin

The study of model bias and variance with respect to decision boundaries is critically important in supervised classification. There is generally a tradeoff between the two, as fine-tuning of the decision boundary of a classification model…

Machine Learning · Computer Science 2020-02-25 Matthew Almeida , Wei Ding , Scott Crouter , Ping Chen

Multimodal learning, which integrates diverse data sources such as images, text, and structured data, has proven superior to unimodal counterparts in high-stakes decision-making. However, while performance gains remain the gold standard for…

Artificial Intelligence · Computer Science 2025-05-07 Kishore Sampath , Pratheesh , Ayaazuddin Mohammad , Resmi Ramachandranpillai

To curate a high-quality dataset, identifying data variance between the internal and external sources is a fundamental and crucial step. However, methods to detect shift or variance in data have not been significantly researched. Challenges…

Image and Video Processing · Electrical Eng. & Systems 2021-12-30 Xiaoyuan Guo , Judy Wawira Gichoya , Hari Trivedi , Saptarshi Purkayastha , Imon Banerjee