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Recent years have witnessed growing interest in the application of deep neural networks (DNNs) for receiver design, which can potentially be applied in complex environments without relying on knowledge of the channel model. However, the…

信息论 · 计算机科学 2023-02-14 Tomer Raviv , Sangwoo Park , Osvaldo Simeone , Yonina C. Eldar , Nir Shlezinger

Class imbalance is a characteristic known for making learning more challenging for classification models as they may end up biased towards the majority class. A promising approach among the ensemble-based methods in the context of imbalance…

机器学习 · 计算机科学 2022-06-20 Mariana A. Souza , Robert Sabourin , George D. C. Cavalcanti , Rafael M. O. Cruz

Ensemble learning use multiple algorithms to obtain better predictive performance than any single one of its constituent algorithms could. With growing popularity of deep learning, researchers have started to ensemble them for various…

机器学习 · 计算机科学 2019-05-31 Ning An , Huitong Ding , Jiaoyun Yang , Rhoda Au , Ting Fang Alvin Ang

In the low-data regime, it is difficult to train good supervised models from scratch. Instead practitioners turn to pre-trained models, leveraging transfer learning. Ensembling is an empirically and theoretically appealing way to construct…

机器学习 · 计算机科学 2020-10-20 Basil Mustafa , Carlos Riquelme , Joan Puigcerver , André Susano Pinto , Daniel Keysers , Neil Houlsby

Meta-learning has been proposed as a framework to address the challenging few-shot learning setting. The key idea is to leverage a large number of similar few-shot tasks in order to learn how to adapt a base-learner to a new task for which…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Qianru Sun , Yaoyao Liu , Zhaozheng Chen , Tat-Seng Chua , Bernt Schiele

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu

Aggregating multiple learners through an ensemble of models aim to make better predictions by capturing the underlying distribution of the data more accurately. Different ensembling methods, such as bagging, boosting, and stacking/blending,…

机器学习 · 统计学 2020-11-03 Mohsen Shahhosseini , Guiping Hu , Hieu Pham

Many different machine learning algorithms exist; taking into account each algorithm's hyperparameters, there is a staggeringly large number of possible alternatives overall. We consider the problem of simultaneously selecting a learning…

机器学习 · 计算机科学 2013-03-08 Chris Thornton , Frank Hutter , Holger H. Hoos , Kevin Leyton-Brown

Often the development of novel functional peptides is not amenable to high throughput or purely computational screening methods. Peptides must be synthesized one at a time in a process that does not generate large amounts of data. One way…

生物大分子 · 定量生物学 2020-12-14 Rainier Barrett , Andrew D. White

Meta-learning is a branch of machine learning which aims to quickly adapt models, such as neural networks, to perform new tasks by learning an underlying structure across related tasks. In essence, models are being trained to learn new…

Meta-learning, the notion of learning to learn, enables learning systems to quickly and flexibly solve new tasks. This usually involves defining a set of outer-loop meta-parameters that are then used to update a set of inner-loop…

机器学习 · 计算机科学 2023-03-17 Chris Lu , Sebastian Towers , Jakob Foerster

DETR accomplishes end-to-end object detection through iteratively generating multiple object candidates based on image features and promoting one candidate for each ground-truth object. The traditional training procedure using one-to-one…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Chuyang Zhao , Yifan Sun , Wenhao Wang , Qiang Chen , Errui Ding , Yi Yang , Jingdong Wang

The subpopulationtion shift, characterized by a disparity in subpopulation distributibetween theween the training and target datasets, can significantly degrade the performance of machine learning models. Current solutions to subpopulation…

There is no free lunch, no single learning algorithm that will outperform other algorithms on all data. In practice different approaches are tried and the best algorithm selected. An alternative solution is to build new algorithms on demand…

机器学习 · 计算机科学 2018-06-19 Włodzisław Duch , Karol Grudzińsk

Deep Reinforcement Learning has demonstrated the potential of neural networks tuned with gradient descent for solving complex tasks in well-delimited environments. However, these neural systems are slow learners producing specialized agents…

机器学习 · 计算机科学 2022-10-13 Mathieu Chalvidal , Thomas Serre , Rufin VanRullen

The success of automated driving deployment is highly depending on the ability to develop an efficient and safe driving policy. The problem is well formulated under the framework of optimal control as a cost optimization problem. Model…

人工智能 · 计算机科学 2017-06-14 Ahmad El Sallab , Mahmoud Saeed , Omar Abdel Tawab , Mohammed Abdou

Partial differential equations (PDEs) are often computationally challenging to solve, and in many settings many related PDEs must be be solved either at every timestep or for a variety of candidate boundary conditions, parameters, or…

机器学习 · 计算机科学 2022-11-04 Tian Qin , Alex Beatson , Deniz Oktay , Nick McGreivy , Ryan P. Adams

Recent advances in dataset distillation have led to solutions in two main directions. The conventional batch-to-batch matching mechanism is ideal for small-scale datasets and includes bi-level optimization methods on models and syntheses,…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Zhiqiang Shen , Ammar Sherif , Zeyuan Yin , Shitong Shao

The motivation of this work is to improve the performance of standard stacking approaches or ensembles, which are composed of simple, heterogeneous base models, through the integration of the generation and selection stages for regression…

机器学习 · 统计学 2014-03-31 Roberto Aldave , Jean-Pierre Dussault

Deep visual recognition models are usually trained and evaluated using metrics such as loss and accuracy. While these measures show whether a model is improving, they reveal very little about how its internal representations change during…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Hai La Quang , Hassan Ugail , Newton Howard , Cong Tran Tien , Nam Vu Hoai , Hung Nguyen Viet