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In recent years, deep learning has led to significant advances in bearing fault diagnosis (FD). Most techniques aim to achieve greater accuracy. However, they are sensitive to noise and lack robustness, resulting in insufficient domain…

人工智能 · 计算机科学 2024-05-31 Huanbai Liu , Fanlong Zhang , Yin Tan , Lian Huang , Yan Li , Guoheng Huang , Shenghong Luo , An Zeng

A novel single-frame quaternion estimator processing two vector observations is introduced. The singular cases are examined, and appropriate rotational solutions are provided. Additionally, an alternative method involving sequential…

统计方法学 · 统计学 2024-05-07 Caitong Peng , Daniel Choukroun

This paper proposes a serialized multi-layer multi-head attention for neural speaker embedding in text-independent speaker verification. In prior works, frame-level features from one layer are aggregated to form an utterance-level…

声音 · 计算机科学 2021-07-15 Hongning Zhu , Kong Aik Lee , Haizhou Li

Transformer-based models excel in speech recognition. Existing efforts to optimize Transformer inference, typically for long-context applications, center on simplifying attention score calculations. However, streaming speech recognition…

机器学习 · 计算机科学 2024-01-22 Yang Li , Liangzhen Lai , Yuan Shangguan , Forrest N. Iandola , Zhaoheng Ni , Ernie Chang , Yangyang Shi , Vikas Chandra

Recent advances in single-frame object detection and segmentation techniques have motivated a wide range of works to extend these methods to process video streams. In this paper, we explore the idea of hard attention aimed for…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Yuning Chai

This paper presents an experimental study on the application of quaternions in several machine learning algorithms. Quaternion is a mathematical representation of rotation in three-dimensional space, which can be used to represent complex…

机器学习 · 计算机科学 2023-08-07 Tianlei Zhu , Renzhe Zhu

Multi-task indoor scene understanding is widely considered as an intriguing formulation, as the affinity of different tasks may lead to improved performance. In this paper, we tackle the new problem of joint semantic, affordance and…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Xiaoxue Chen , Tianyu Liu , Hao Zhao , Guyue Zhou , Ya-Qin Zhang

Attention mechanism has played critical roles in various state-of-the-art NLP models such as Transformer and BERT. It can be formulated as a ternary function that maps the input queries, keys and values into an output by using a summation…

计算与语言 · 计算机科学 2020-10-09 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang

Modern neural networks are often augmented with an attention mechanism, which tells the network where to focus within the input. We propose in this paper a new framework for sparse and structured attention, building upon a smoothed max…

机器学习 · 统计学 2019-02-26 Vlad Niculae , Mathieu Blondel

Attention mechanism plays a dominant role in the sequence generation models and has been used to improve the performance of machine translation and abstractive text summarization. Different from neural machine translation, in the task of…

计算与语言 · 计算机科学 2020-04-09 Piji Li , Lidong Bing , Zhongyu Wei , Wai Lam

Various Transformer-based models have been proposed for time series forecasting. These models leverage the self-attention mechanism to capture long-term temporal or variate dependencies in sequences. Existing methods can be divided into two…

机器学习 · 计算机科学 2025-06-04 Daichi Kimura , Tomonori Izumitani , Hisashi Kashima

Transformer-based models have emerged as one of the most widely used architectures for natural language processing, natural language generation, and image generation. The size of the state-of-the-art models has increased steadily reaching…

硬件体系结构 · 计算机科学 2025-01-15 Rya Sanovar , Srikant Bharadwaj , Renee St. Amant , Victor Rühle , Saravan Rajmohan

While the self-attention mechanism has been widely used in a wide variety of tasks, it has the unfortunate property of a quadratic cost with respect to the input length, which makes it difficult to deal with long inputs. In this paper, we…

计算与语言 · 计算机科学 2020-09-30 Xiaoya Li , Yuxian Meng , Mingxin Zhou , Qinghong Han , Fei Wu , Jiwei Li

Although softmax attention drives state-of-the-art performance for sequence models, its quadratic complexity limits scalability, motivating linear alternatives such as state space models (SSMs). While these alternatives improve efficiency,…

机器学习 · 计算机科学 2025-10-13 Rahel Rickenbach , Jelena Trisovic , Alexandre Didier , Jerome Sieber , Melanie N. Zeilinger

Attention mechanisms, especially self-attention, have played an increasingly important role in deep feature representation for visual tasks. Self-attention updates the feature at each position by computing a weighted sum of features using…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Meng-Hao Guo , Zheng-Ning Liu , Tai-Jiang Mu , Shi-Min Hu

Effective representation learning from text has been an active area of research in the fields of NLP and text mining. Attention mechanisms have been at the forefront in order to learn contextual sentence representations. Current…

计算与语言 · 计算机科学 2020-08-11 Sneha Mehta , Huzefa Rangwala , Naren Ramakrishnan

Topological phase classifications have been intensively studied via machine-learning techniques where different forms of the training data are proposed in order to maximize the information extracted from the systems of interests. Due to the…

量子物理 · 物理学 2023-05-08 Min-Ruei Lin , Wan-Ju Li , Shin-Ming Huang

Different from the emotion recognition in individual utterances, we propose a multimodal learning framework using relation and dependencies among the utterances for conversational emotion analysis. The attention mechanism is applied to the…

计算与语言 · 计算机科学 2019-10-25 Zheng Lian , Jianhua Tao , Bin Liu , Jian Huang

An important step towards enabling English language learners to improve their conversational speaking proficiency involves automated scoring of multiple aspects of interactional competence and subsequent targeted feedback. This paper builds…

人机交互 · 计算机科学 2020-05-21 Vikram Ramanarayanan , Matthew Mulholland , Debanjan Ghosh

Transformer-based video diffusion models (VDMs) deliver state-of-the-art video generation quality but are constrained by the quadratic cost of self-attention, making long sequences and high resolutions computationally expensive. While…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Mohsen Ghafoorian , Denis Korzhenkov , Amirhossein Habibian