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Skeleton-based human action recognition has achieved a great interest in recent years, as skeleton data has been demonstrated to be robust to illumination changes, body scales, dynamic camera views, and complex background. Nevertheless, an…

计算机视觉与模式识别 · 计算机科学 2021-06-24 Chiara Plizzari , Marco Cannici , Matteo Matteucci

Compound Expression Recognition (CER) plays a crucial role in interpersonal interactions. Due to the existence of Compound Expressions , human emotional expressions are complex, requiring consideration of both local and global facial…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Jun Yu , Jichao Zhu , Wangyuan Zhu

Our work combines aspects of three promising paradigms in machine learning, namely, attention mechanism, energy-based models, and associative memory. Attention is the power-house driving modern deep learning successes, but it lacks clear…

Ensemble forecasting is a technique devised to palliate sensitivity to initial conditions in nonlinear dynamical systems. The basic idea to avoid this sensitivity is to run the model many times under several slightly-different initial…

大气与海洋物理 · 物理学 2015-06-26 F J Tapiador , R Verdejo

We create a family of powerful video models which are able to: (i) learn interactions between semantic object information and raw appearance and motion features, and (ii) deploy attention in order to better learn the importance of features…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Michael S. Ryoo , AJ Piergiovanni , Juhana Kangaspunta , Anelia Angelova

The success of self-attention lies in its ability to capture long-range dependencies and enhance context understanding, but it is limited by its computational complexity and challenges in handling sequential data with inherent…

计算与语言 · 计算机科学 2025-05-05 Md Kowsher , Nusrat Jahan Prottasha , Chun-Nam Yu , Ozlem Ozmen Garibay , Niloofar Yousefi

Since its introduction, the transformer has shifted the development trajectory away from traditional models (e.g., RNN, MLP) in time series forecasting, which is attributed to its ability to capture global dependencies within temporal…

机器学习 · 计算机科学 2025-01-07 Xiwen Chen , Peijie Qiu , Wenhui Zhu , Huayu Li , Hao Wang , Aristeidis Sotiras , Yalin Wang , Abolfazl Razi

State-of-the-art transformer models use pairwise dot-product based self-attention, which comes at a computational cost quadratic in the input sequence length. In this paper, we investigate the global structure of attention scores computed…

机器学习 · 计算机科学 2021-06-17 Srinadh Bhojanapalli , Ayan Chakrabarti , Himanshu Jain , Sanjiv Kumar , Michal Lukasik , Andreas Veit

Survival analysis predicts the time until an event of interest, such as failure or death, but faces challenges due to censored data, where some events remain unobserved. Ensemble-based models, like random survival forests and gradient…

Combining the predictions of collections of neural networks often outperforms the best single network. Such ensembles are typically trained independently, and their superior `wisdom of the crowd' originates from the differences between…

机器学习 · 计算机科学 2020-06-23 Benjamin Brazowski , Elad Schneidman

Large transformer models can highly improve Answer Sentence Selection (AS2) tasks, but their high computational costs prevent their use in many real-world applications. In this paper, we explore the following research question: How can we…

计算与语言 · 计算机科学 2025-01-03 Yoshitomo Matsubara , Luca Soldaini , Eric Lind , Alessandro Moschitti

Recent advances in data assimilation (DA) have focused on developing more flexible approaches that can better accommodate nonlinearities in models and observations. However, it remains unclear how the performance of these advanced methods…

大气与海洋物理 · 物理学 2025-05-08 Zixiang Xiong , Siming Liang , Feng Bao , Guannan Zhang , Hristo G. Chipilski

Transformer-based models have demonstrated exceptional performance across diverse domains, becoming the state-of-the-art solution for addressing sequential machine learning problems. Even though we have a general understanding of the…

无序系统与神经网络 · 物理学 2024-06-12 Ángel Poc-López , Miguel Aguilera

Predicting a driver's cognitive state, or more specifically, modeling a driver's reaction time (RT) in response to the appearance of a potential hazard warrants urgent research. In the last two decades, the electric field that is generated…

人机交互 · 计算机科学 2019-05-28 Chun-Hsiang Chuang , Zehong Cao , Po-Tsang Chen , Chih-Sheng Huang , Nikhil R. Pal , Chin-Teng Lin

Many interpretable AI approaches have been proposed to provide plausible explanations for a model's decision-making. However, configuring an explainable model that effectively communicates among computational modules has received less…

机器学习 · 计算机科学 2023-11-09 Jinyung Hong , Keun Hee Park , Theodore P. Pavlic

Traditional machine learning approaches may fail to perform satisfactorily when dealing with complex data. In this context, the importance of data mining evolves w.r.t. building an efficient knowledge discovery and mining framework.…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Abdul Mueed Hafiz , Ghulam Mohiuddin Bhat

Climate change is increasing the occurrence of extreme precipitation events, threatening infrastructure, agriculture, and public safety. Ensemble prediction systems provide probabilistic forecasts but exhibit biases and difficulties in…

机器学习 · 计算机科学 2025-04-09 Christopher Bülte , Sohir Maskey , Philipp Scholl , Jonas von Berg , Gitta Kutyniok

Audio-visual emotion recognition (AVER) methods typically fuse utterance-level features, and even frame-level attention models seldom address the frame-rate mismatch across modalities. In this paper, we propose a Transformer-based framework…

多媒体 · 计算机科学 2026-03-13 Inyong Koo , yeeun Seong , Minseok Son , Jaehyuk Jang , Changick Kim

Machine question answering is an essential yet challenging task in natural language processing. Recently, Pre-trained Contextual Embeddings (PCE) models like Bidirectional Encoder Representations from Transformers (BERT) and A Lite BERT…

计算与语言 · 计算机科学 2021-10-20 Shilun Li , Renee Li , Veronica Peng

The Transformer, a breakthrough architecture in artificial intelligence, owes its success to the attention mechanism, which utilizes long-range interactions in sequential data, enabling the emergent coherence between large language models…

人工智能 · 计算机科学 2026-04-23 Zihan Zhou , Bo-Wei Qin , Kai Du , Wei Lin