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We introduce an online mathematical framework for survival analysis, allowing real time adaptation to dynamic environments and censored data. This framework enables the estimation of event time distributions through an optimal second order…

机器学习 · 计算机科学 2024-02-09 Camila Fernandez , Pierre Gaillard , Joseph de Vilmarest , Olivier Wintenberger

While diffusion models have achieved remarkable progress in style transfer tasks, existing methods typically rely on fine-tuning or optimizing pre-trained models during inference, leading to high computational costs and challenges in…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Bo Huang , Wenlun Xu , Qizhuo Han , Haodong Jing , Ying Li

The demand for accurate food quantification has increased in the recent years, driven by the needs of applications in dietary monitoring. At the same time, computer vision approaches have exhibited great potential in automating tasks within…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Valasia Vlachopoulou , Ioannis Sarafis , Alexandros Papadopoulos

Convolutional Neural Networks (CNNs) frequently "cheat" by exploiting superficial correlations, raising concerns about whether they make predictions for the right reasons. Inspired by cognitive science, which highlights the role of…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Ryan L. Yang , Dipkamal Bhusal , Nidhi Rastogi

In this paper, our focus is on enhancing steering angle prediction for autonomous driving tasks. We initiate our exploration by investigating two veins of widely adopted deep neural architectures, namely ResNets and InceptionNets. Within…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Swetha Nadella , Pramiti Barua , Jeremy C. Hagler , David J. Lamb , Qing Tian

Robust loss minimization is an important strategy for handling robust learning issue on noisy labels. Current robust loss functions, however, inevitably involve hyperparameter(s) to be tuned, manually or heuristically through cross…

机器学习 · 计算机科学 2020-02-18 Jun Shu , Qian Zhao , Keyu Chen , Zongben Xu , Deyu Meng

In this work, we present the first general logic of attention. Attention is a powerful cognitive ability that allows agents to focus on potentially complex information, such as logically structured propositions, higher-order beliefs, or…

人工智能 · 计算机科学 2025-05-21 Gaia Belardinelli , Thomas Bolander , Sebastian Watzl

Various attention mechanisms are being widely applied to acoustic scene classification. However, we empirically found that the attention mechanism can excessively discard potentially valuable information, despite improving performance. We…

机器学习 · 计算机科学 2021-12-24 Hye-jin Shim , Jee-weon Jung , Ju-ho Kim , Ha-Jin Yu

In online convex optimization it is well known that certain subclasses of objective functions are much easier than arbitrary convex functions. We are interested in designing adaptive methods that can automatically get fast rates in as many…

机器学习 · 计算机科学 2021-08-31 Tim van Erven , Wouter M. Koolen

Catastrophic forgetting occurs when a neural network loses the information learned in a previous task after training on subsequent tasks. This problem remains a hurdle for artificial intelligence systems with sequential learning…

机器学习 · 计算机科学 2018-05-30 Joan Serrà , Dídac Surís , Marius Miron , Alexandros Karatzoglou

Learning object-centric representations of complex scenes is a promising step towards enabling efficient abstract reasoning from low-level perceptual features. Yet, most deep learning approaches learn distributed representations that do not…

Spiking Neural Networks (SNNs) have been recently integrated into Transformer architectures due to their potential to reduce computational demands and to improve power efficiency. Yet, the implementation of the attention mechanism using…

硬件体系结构 · 计算机科学 2024-11-12 Zihang Song , Prabodh Katti , Osvaldo Simeone , Bipin Rajendran

Graph-based learning is a rapidly growing sub-field of machine learning with applications in social networks, citation networks, and bioinformatics. One of the most popular models is graph attention networks. They were introduced to allow a…

机器学习 · 计算机科学 2023-05-23 Kimon Fountoulakis , Amit Levi , Shenghao Yang , Aseem Baranwal , Aukosh Jagannath

We generalize the stochastic revealed preference methodology of McFadden and Richter (1990) for finite choice sets to settings with limited consideration. Our approach is nonparametric and requires partial choice set variation. We impose a…

理论经济学 · 经济学 2022-05-19 Nail Kashaev , Victor H. Aguiar

There is an increasing need of continual learning in dynamic systems, such as the self-driving vehicle, the surveillance drone, and the robotic system. Such a system requires learning from the data stream, training the model to preserve…

机器学习 · 计算机科学 2019-12-23 Xiaocong Du , Gouranga Charan , Frank Liu , Yu Cao

The article examines in some detail the convergence rate and mean-square-error performance of momentum stochastic gradient methods in the constant step-size and slow adaptation regime. The results establish that momentum methods are…

最优化与控制 · 数学 2016-10-13 Kun Yuan , Bicheng Ying , Ali H. Sayed

In aspect-level sentiment classification (ASC), it is prevalent to equip dominant neural models with attention mechanisms, for the sake of acquiring the importance of each context word on the given aspect. However, such a mechanism tends to…

计算与语言 · 计算机科学 2019-06-07 Jialong Tang , Ziyao Lu , Jinsong Su , Yubin Ge , Linfeng Song , Le Sun , Jiebo Luo

Attention mechanism has demonstrated great potential in fine-grained visual recognition tasks. In this paper, we present a counterfactual attention learning method to learn more effective attention based on causal inference. Unlike most…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Yongming Rao , Guangyi Chen , Jiwen Lu , Jie Zhou

This paper introduces a convolutional recurrent network with attention for speech command recognition. Attention models are powerful tools to improve performance on natural language, image captioning and speech tasks. The proposed model…

音频与语音处理 · 电气工程与系统科学 2018-08-28 Douglas Coimbra de Andrade , Sabato Leo , Martin Loesener Da Silva Viana , Christoph Bernkopf

Due to the drastic gap in complexity between sequential and batch statistical learning, recent work has studied a smoothed sequential learning setting, where Nature is constrained to select contexts with density bounded by 1/{\sigma} with…

机器学习 · 统计学 2022-05-27 Adam Block , Max Simchowitz