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The Conformer has become the most popular encoder model for automatic speech recognition (ASR). It adds convolution modules to a transformer to learn both local and global dependencies. In this work we describe a faster, more…

音频与语音处理 · 电气工程与系统科学 2024-04-11 Zengwei Yao , Liyong Guo , Xiaoyu Yang , Wei Kang , Fangjun Kuang , Yifan Yang , Zengrui Jin , Long Lin , Daniel Povey

Within Convolutional Neural Network (CNN), the convolution operations are good at extracting local features but experience difficulty to capture global representations. Within visual transformer, the cascaded self-attention modules can…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Zhiliang Peng , Wei Huang , Shanzhi Gu , Lingxi Xie , Yaowei Wang , Jianbin Jiao , Qixiang Ye

Finite-context models (FCMs) are widely used for compressing symbolic sequences such as DNA, where predictive performance depends critically on the context length k and smoothing parameter {\alpha}. In practice, these hyperparameters are…

机器学习 · 统计学 2026-03-23 José Contente , Ana Martins , Armando J. Pinho , Sónia Gouveia

State-of-the-art ASR systems have achieved promising results by modeling local and global interactions separately. While the former can be computed efficiently, global interactions are usually modeled via attention mechanisms, which are…

计算与语言 · 计算机科学 2023-05-30 Florian Mai , Juan Zuluaga-Gomez , Titouan Parcollet , Petr Motlicek

Recently, the connectionist temporal classification (CTC) model coupled with recurrent (RNN) or convolutional neural networks (CNN), made it easier to train speech recognition systems in an end-to-end fashion. However in real-valued models,…

Efficiently handling long contexts in transformer-based language models with low perplexity is an active area of research. Numerous recent approaches like Linformer, Longformer, Performer, and Structured state space models (SSMs)., have not…

机器学习 · 计算机科学 2025-04-22 Sushant Singh , Ausif Mahmood

End-to-end acoustic speech recognition has quickly gained widespread popularity and shows promising results in many studies. Specifically the joint transformer/CTC model provides very good performance in many tasks. However, under noisy and…

音频与语音处理 · 电气工程与系统科学 2021-04-20 Wentao Yu , Steffen Zeiler , Dorothea Kolossa

Recent object detection methods have made remarkable progress by leveraging attention mechanisms to improve feature discriminability. However, most existing approaches are confined to refining single-layer or fusing dual-layer features,…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Dingzhou Xie , Rushi Lan , Cheng Pang , Enhao Ning , Jiahao Zeng , Wei Zheng

Self-supervised learning has been proved to benefit a wide range of speech processing tasks, such as speech recognition/translation, speaker verification and diarization, etc. However, most of current approaches are computationally…

Automatic keyframe detection from videos is an exercise in selecting scenes that can best summarize the content for long videos. Providing a summary of the video is an important task to facilitate quick browsing and content summarization.…

计算机视觉与模式识别 · 计算机科学 2023-06-26 Samed Arslan , Senem Tanberk

End-to-end speech recognition systems usually require huge amounts of labeling resource, while annotating the speech data is complicated and expensive. Active learning is the solution by selecting the most valuable samples for annotation.…

音频与语音处理 · 电气工程与系统科学 2021-07-12 Jian Luo , Jianzong Wang , Ning Cheng , Jing Xiao

Key frame selection in video understanding presents significant challenges. Traditional top-K selection methods, which score frames independently, often fail to optimize the selection as a whole. This independent scoring frequently results…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Yiqing Yang , Kin-Man Lam

The two most common paradigms for end-to-end speech recognition are connectionist temporal classification (CTC) and attention-based encoder-decoder (AED) models. It has been argued that the latter is better suited for learning an implicit…

音频与语音处理 · 电气工程与系统科学 2021-02-22 Lasse Borgholt , Jakob Drachmann Havtorn , Željko Agić , Anders Søgaard , Lars Maaløe , Christian Igel

Automatic detection of phoneme or word-like units is one of the core objectives in zero-resource speech processing. Recent attempts employ self-supervised training methods, such as contrastive predictive coding (CPC), where the next frame…

音频与语音处理 · 电气工程与系统科学 2021-06-07 Saurabhchand Bhati , Jesús Villalba , Piotr Żelasko , Laureano Moro-Velazquez , Najim Dehak

Aphasia is a language disorder that affects the speaking ability of millions of patients. This paper presents a new benchmark for Aphasia speech recognition and detection tasks using state-of-the-art speech recognition techniques with the…

音频与语音处理 · 电气工程与系统科学 2023-05-24 Jiyang Tang , William Chen , Xuankai Chang , Shinji Watanabe , Brian MacWhinney

Attention mechanisms have achieved significant empirical success in multiple fields, but their underlying optimization objectives remain unclear yet. Moreover, the quadratic complexity of self-attention has become increasingly prohibitive.…

机器学习 · 计算机科学 2025-11-06 Qishuai Wen , Zhiyuan Huang , Chun-Guang Li

We consider the problem of referring image segmentation. Given an input image and a natural language expression, the goal is to segment the object referred by the language expression in the image. Existing works in this area treat the…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Linwei Ye , Mrigank Rochan , Zhi Liu , Yang Wang

Learning an effective speaker representation is crucial for achieving reliable performance in speaker verification tasks. Speech signals are high-dimensional, long, and variable-length sequences containing diverse information at each…

音频与语音处理 · 电气工程与系统科学 2023-08-25 Wei Xia , John H. L. Hansen

Context-aware processing mechanisms have increasingly become a critical area of exploration for improving the semantic and contextual capabilities of language generation models. The Context-Aware Semantic Recomposition Mechanism (CASRM) was…

计算与语言 · 计算机科学 2025-03-27 Richard Katrix , Quentin Carroway , Rowan Hawkesbury , Matthias Heathfield

Long-context modeling is crucial for next-generation language models, yet the high computational cost of standard attention mechanisms poses significant computational challenges. Sparse attention offers a promising direction for improving…

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