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We propose a novel attention mechanism, named Cog Attention, that enables attention weights to be negative for enhanced expressiveness, which stems from two key factors: (1) Cog Attention enhances parameter flexibility. For example, unlike…

计算与语言 · 计算机科学 2025-01-31 Ang Lv , Ruobing Xie , Shuaipeng Li , Jiayi Liao , Xingwu Sun , Zhanhui Kang , Di Wang , Rui Yan

This paper introduces a hybrid attention and autoencoder (AE) model for unsupervised online anomaly detection in time series. The autoencoder captures local structural patterns in short embeddings, while the attention model learns long-term…

机器学习 · 计算机科学 2024-01-09 Seyed Amirhossein Najafi , Mohammad Hassan Asemani , Peyman Setoodeh

Text normalization is a ubiquitous process that appears as the first step of many Natural Language Processing problems. However, previous Deep Learning approaches have suffered from so-called silly errors, which are undetectable on…

计算与语言 · 计算机科学 2019-03-08 Adrián Javaloy Bornás , Ginés García Mateos

As an important part of speech recognition technology, automatic speech keyword recognition has been intensively studied in recent years. Such technology becomes especially pivotal under situations with limited infrastructures and…

机器学习 · 计算机科学 2019-07-11 Ruisen Luo , Tianran Sun , Chen Wang , Miao Du , Zuodong Tang , Kai Zhou , Xiaofeng Gong , Xiaomei Yang

Emotions play a central role in the social life of every human being, and their study, which represents a multidisciplinary subject, embraces a great variety of research fields. Especially concerning the latter, the analysis of facial…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Fabio Valerio Massoli , Donato Cafarelli , Claudio Gennaro , Giuseppe Amato , Fabrizio Falchi

Transformer is a ubiquitous model for natural language processing and has attracted wide attentions in computer vision. The attention maps are indispensable for a transformer model to encode the dependencies among input tokens. However,…

机器学习 · 计算机科学 2021-02-26 Yujing Wang , Yaming Yang , Jiangang Bai , Mingliang Zhang , Jing Bai , Jing Yu , Ce Zhang , Gao Huang , Yunhai Tong

Distributed attention is a fundamental problem for scaling context window for Large Language Models (LLMs). The state-of-the-art method, Ring-Attention, suffers from scalability limitations due to its excessive communication traffic. This…

分布式、并行与集群计算 · 计算机科学 2025-12-25 Sirui Chen , Jingji Chen , Siqi Zhu , Ziheng Jiang , Yanghua Peng , Xuehai Qian

While Transformer networks benefit from a global receptive field, their quadratic cost relative to sequence length restricts their application to long sequences and high-resolution inputs. We introduce Fast Multipole Attention (FMA), a…

计算与语言 · 计算机科学 2025-09-19 Yanming Kang , Giang Tran , Hans De Sterck

The dynamic hand gesture recognition task has seen studies on various unimodal and multimodal methods. Previously, researchers have explored depth and 2D-skeleton-based multimodal fusion CRNNs (Convolutional Recurrent Neural Networks) but…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Hasan Mahmud , Mashrur M. Morshed , Md. Kamrul Hasan

Neural machine translation (NMT) has been a new paradigm in machine translation, and the attention mechanism has become the dominant approach with the state-of-the-art records in many language pairs. While there are variants of the…

计算与语言 · 计算机科学 2018-04-04 Heeyoul Choi , Kyunghyun Cho , Yoshua Bengio

Graph-based next-step prediction models have recently been very successful in modeling complex high-dimensional physical systems on irregular meshes. However, due to their short temporal attention span, these models suffer from error…

机器学习 · 计算机科学 2022-05-27 Xu Han , Han Gao , Tobias Pfaff , Jian-Xun Wang , Li-Ping Liu

Speech Emotion Recognition (SER) plays a key role in advancing human-computer interaction. Attention mechanisms have become the dominant approach for modeling emotional speech due to their ability to capture long-range dependencies and…

音频与语音处理 · 电气工程与系统科学 2026-03-17 Marc Casals-Salvador , Federico Costa , Rodolfo Zevallos , Javier Hernando

Facial micro-expression recognition (MER) is a challenging problem, due to transient and subtle micro-expression (ME) actions. Most existing methods depend on hand-crafted features, key frames like onset, apex, and offset frames, or deep…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Zhiwen Shao , Yifan Cheng , Feiran Li , Yong Zhou , Xuequan Lu , Yuan Xie , Lizhuang Ma

Dynamic gesture recognition is one of the challenging research areas due to variations in pose, size, and shape of the signer's hand. In this letter, Multiscaled Multi-Head Attention Video Transformer Network (MsMHA-VTN) for dynamic hand…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Mallika Garg , Debashis Ghosh , Pyari Mohan Pradhan

Auditory attention decoding (AAD) algorithms exploit brain signals, such as electroencephalography (EEG), to identify which speaker a listener is focusing on in a multi-speaker environment. While state-of-the-art AAD algorithms can identify…

信号处理 · 电气工程与系统科学 2025-07-01 Nicolas Heintz , Tom Francart , Alexander Bertrand

While attention has been an increasingly popular component in deep neural networks to both interpret and boost the performance of models, little work has examined how attention progresses to accomplish a task and whether it is reasonable.…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Shi Chen , Ming Jiang , Jinhui Yang , Qi Zhao

The self-attention mechanism traditionally relies on the softmax operator, necessitating positional embeddings like RoPE, or position biases to account for token order. But current methods using still face length generalisation challenges.…

机器学习 · 计算机科学 2025-05-21 Shawn Tan , Songlin Yang , Aaron Courville , Rameswar Panda , Yikang Shen

Wearable sensor based human activity recognition is a challenging problem due to difficulty in modeling spatial and temporal dependencies of sensor signals. Recognition models in closed-set assumption are forced to yield members of known…

计算机视觉与模式识别 · 计算机科学 2024-04-24 M Tanjid Hasan Tonmoy , Saif Mahmud , A K M Mahbubur Rahman , M Ashraful Amin , Amin Ahsan Ali

Airwriting Recognition refers to the problem of identification of letters written in space with movement of the finger. It can be seen as a special case of dynamic gesture recognition wherein the set of gestures are letters in a particular…

人机交互 · 计算机科学 2023-03-21 Ayush Tripathi , Prathosh AP , Suriya Prakash Muthukrishnan , Lalan Kumar

Transformer models have achieved superior performance in various natural language processing tasks. However, the quadratic computational cost of the attention mechanism limits its practicality for long sequences. There are existing…

计算与语言 · 计算机科学 2022-12-19 Simiao Zuo , Xiaodong Liu , Jian Jiao , Denis Charles , Eren Manavoglu , Tuo Zhao , Jianfeng Gao