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In this study, we introduce an intelligent Test Time Augmentation (TTA) algorithm designed to enhance the robustness and accuracy of image classification models against viewpoint variations. Unlike traditional TTA methods that…

图像与视频处理 · 电气工程与系统科学 2024-06-14 Efe Ozturk , Mohit Prabhushankar , Ghassan AlRegib

Augmenting training datasets has been shown to improve the learning effectiveness for several computer vision tasks. A good augmentation produces an augmented dataset that adds variability while retaining the statistical properties of the…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Tom Ching LingChen , Ava Khonsari , Amirreza Lashkari , Mina Rafi Nazari , Jaspreet Singh Sambee , Mario A. Nascimento

Providing forecasts for ultra-long time series plays a vital role in various activities, such as investment decisions, industrial production arrangements, and farm management. This paper develops a novel distributed forecasting framework to…

应用统计 · 统计学 2024-04-23 Xiaoqian Wang , Yanfei Kang , Rob J Hyndman , Feng Li

The problem of imputing multivariate time series spans a wide range of fields, from clinical healthcare to multi-sensor systems. Initially, Recurrent Neural Networks (RNNs) were employed for this task; however, their error accumulation…

Uncertainty estimation of trained deep learning networks is valuable for optimizing learning efficiency and evaluating the reliability of network predictions. In this paper, we propose a method for estimating uncertainty in deep learning…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Hansang Lee , Haeil Lee , Helen Hong , Junmo Kim

Data augmentation is a crucial technique for improving model generalization and robustness, particularly in deep learning models where training data is limited. Although many augmentation methods have been developed for time series…

机器学习 · 计算机科学 2026-04-13 Jafar Bakhshaliyev , Johannes Burchert , Niels Landwehr , Lars Schmidt-Thieme

In many machine learning applications, it is important for the model to provide confidence scores that accurately capture its prediction uncertainty. Although modern learning methods have achieved great success in predictive accuracy,…

机器学习 · 计算机科学 2022-07-12 Linjun Zhang , Zhun Deng , Kenji Kawaguchi , James Zou

In order to reduce overfitting, neural networks are typically trained with data augmentation, the practice of artificially generating additional training data via label-preserving transformations of existing training examples. While these…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Cecilia Summers , Michael J. Dinneen

Data augmentation is an essential technique for improving recognition accuracy in object recognition using deep learning. Methods that generate mixed data from multiple data sets, such as mixup, can acquire new diversity that is not…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Shungo Fujii , Yasunori Ishii , Kazuki Kozuka , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi

Data augmentation reduces the generalization error by forcing a model to learn invariant representations given different transformations of the input image. In computer vision, on top of the standard image processing functions, data…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Rowel Atienza

Many applications in different domains produce large amount of time series data. Making accurate forecasting is critical for many decision makers. Various time series forecasting methods exist which use linear and nonlinear models…

机器学习 · 计算机科学 2019-07-19 Ümit Çavuş Büyükşahin , Şeyda Ertekin

In this work, we propose data augmentation via pairwise mixup across subgroups to improve group fairness. Many real-world applications of machine learning systems exhibit biases across certain groups due to under-representation or training…

机器学习 · 统计学 2023-09-14 Madeline Navarro , Camille Little , Genevera I. Allen , Santiago Segarra

An efficient monotone data augmentation (MDA) algorithm is proposed for missing data imputation for incomplete multivariate nonnormal data that may contain variables of different types, and are modeled by a sequence of regression models…

统计方法学 · 统计学 2018-11-21 Yongqiang Tang

Recent years have seen the introduction of a range of methods for post-hoc explainability of image classifier predictions. However, these post-hoc explanations may not always be faithful to classifier predictions, which poses a significant…

机器学习 · 计算机科学 2021-09-28 Ruiwen Li , Zhibo Zhang , Jiani Li , Chiheb Trabelsi , Scott Sanner , Jongseong Jang , Yeonjeong Jeong , Dongsub Shim

Data augmentation has become a promising method of mitigating data sparsity in sequential recommendation. Existing methods generate new yet effective data during model training to improve performance. However, deploying them requires…

信息检索 · 计算机科学 2025-05-01 Yizhou Dang , Yuting Liu , Enneng Yang , Minhan Huang , Guibing Guo , Jianzhe Zhao , Xingwei Wang

Data augmentation has been proven effective for training high-accuracy convolutional neural network classifiers by preventing overfitting. However, building deep neural networks in real-world scenarios requires not only high accuracy on…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Zhenglin Huang , Xiaoan Bao , Na Zhang , Qingqi Zhang , Xiaomei Tu , Biao Wu , Xi Yang

Augmentation is an effective alternative to utilize the small amount of labeled protein data. However, most of the existing work focuses on design-ing new architectures or pre-training tasks, and relatively little work has studied data…

定量方法 · 定量生物学 2024-03-05 Rui Sun , Lirong Wu , Haitao Lin , Yufei Huang , Stan Z. Li

Data augmentation plays a pivotal role in enhancing and diversifying training data. Nonetheless, consistently improving model performance in varied learning scenarios, especially those with inherent data biases, remains challenging. To…

机器学习 · 计算机科学 2024-06-04 Xiaoling Zhou , Wei Ye , Zhemg Lee , Rui Xie , Shikun Zhang

Multivariate time series forecasting involves predicting future values based on historical observations. However, existing approaches primarily rely on predefined single-scale patches or lack effective mechanisms for multi-scale feature…

机器学习 · 计算机科学 2025-09-24 Huanyao Zhang , Jiaye Lin , Wentao Zhang , Haitao Yuan , Guoliang Li

Deep learning approaches are increasingly used to tackle forecasting tasks involving datasets with multiple univariate time series. A key factor in the successful application of these methods is a large enough training sample size, which is…

机器学习 · 计算机科学 2025-01-06 Vitor Cerqueira , Moisés Santos , Luis Roque , Yassine Baghoussi , Carlos Soares