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Currently, deep learning methods with stacking small size convolutional filters are widely used for automatic modulation classification (AMC). In this report, we find some experienced improvements by using large kernel size for…

Signal Processing · Electrical Eng. & Systems 2022-09-09 Xiaowei Wu , Shengyun Wei , Yan Zhou

In recent advancements in audio self-supervised representation learning, the standard Transformer architecture has emerged as the predominant approach, yet its attention mechanism often allocates a portion of attention weights to irrelevant…

Sound · Computer Science 2025-07-04 Junyu Wang , Tianrui Wang , Meng Ge , Longbiao Wang , Jianwu Dang

Accommodating long sequences efficiently in autoregressive Transformers, especially within an extended context window, poses significant challenges due to the quadratic computational complexity and substantial KV memory requirements…

Computation and Language · Computer Science 2024-06-25 Chao Lou , Zixia Jia , Zilong Zheng , Kewei Tu

DNN-based speaker verification (SV) models demonstrate significant performance at relatively high computation costs. Model compression can be applied to reduce the model size for lower resource consumption. The present study exploits weight…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-26 Jingyu Li , Wei Liu , Zhaoyang Zhang , Jiong Wang , Tan Lee

Mel-scale spectrum features are used in various recognition and classification tasks on speech signals. There is no reason to expect that these features are optimal for all different tasks, including speaker verification (SV). This paper…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-16 Jingyu Li , Yusheng Tian , Tan Lee

A common design pattern in high-quality music generation is to handle structure and fidelity in different representation spaces: a generator first models high-level structure, followed by diffusion-based or neural decoding stages that…

Neural Processes (NPs) are a rapidly evolving class of models designed to directly model the posterior predictive distribution of stochastic processes. Originally developed as a scalable alternative to Gaussian Processes (GPs), which are…

Machine Learning · Computer Science 2026-04-20 Daniel Jenson , Jhonathan Navott , Mengyan Zhang , Makkunda Sharma , Elizaveta Semenova , Seth Flaxman

The state-of-the-art speech enhancement has limited performance in speech estimation accuracy. Recently, in deep learning, the Transformer shows the potential to exploit the long-range dependency in speech by self-attention. Therefore, it…

Sound · Computer Science 2023-05-10 Yi Li , Yang Sun , Syed Mohsen Naqvi

Microscopic image segmentation is a challenging task, wherein the objective is to assign semantic labels to each pixel in a given microscopic image. While convolutional neural networks (CNNs) form the foundation of many existing frameworks,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Mustansar Fiaz , Moein Heidari , Rao Muhammad Anwer , Hisham Cholakkal

Semantic segmentation of remote sensing images is a fundamental task in geospatial research. However, widely used Convolutional Neural Networks (CNNs) and Transformers have notable drawbacks: CNNs may be limited by insufficient remote…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xuezhi Xiang , Yibo Ning , Lei Zhang , Denis Ombati , Himaloy Himu , Xiantong Zhen

Convolutional layers in Artificial Neural Networks (ANN) treat the channel features equally without feature selection flexibility. While using ANNs for image denoising in real-world applications with unknown noise distributions,…

Image and Video Processing · Electrical Eng. & Systems 2020-12-24 Huayu Li , Haiyu Wu , Xiwen Chen , Hanning Zhang , Abolfazl Razi

Convolutional Neural Networks have achieved impressive results in various tasks, but interpreting the internal mechanism is a challenging problem. To tackle this problem, we exploit a multi-channel attention mechanism in feature space. Our…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Masanari Kimura , Masayuki Tanaka

In recent years, Transformer networks have shown remarkable performance in speech recognition tasks. However, their deployment poses challenges due to high computational and storage resource requirements. To address this issue, a…

Sound · Computer Science 2024-05-01 Jianzong Wang , Ziqi Liang , Xulong Zhang , Ning Cheng , Jing Xiao

Attention mechanism has been widely utilized in speech enhancement (SE) because theoretically it can effectively model the long-term inherent connection of signal both in time domain and spectrum domain. However, the generally used global…

Sound · Computer Science 2023-02-14 Zhongshu Hou , Qinwen Hu , Kai Chen , Jing Lu

In recent years, convolutional neural networks (CNNs) with channel-wise feature refining mechanisms have brought noticeable benefits to modelling channel dependencies. However, current attention paradigms fail to infer an optimal channel…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Nick Nikzad , Yongsheng Gao , Jun Zhou

Several statistical approaches based on reproducing kernels have been proposed to detect abrupt changes arising in the full distribution of the observations and not only in the mean or variance. Some of these approaches enjoy good…

Statistics Theory · Mathematics 2017-10-13 Alain Celisse , Guillemette Marot , Morgane Pierre-Jean , Guillem Rigaill

Keyword spotting (KWS) constitutes a major component of human-technology interfaces. Maximizing the detection accuracy at a low false alarm (FA) rate, while minimizing the footprint size, latency and complexity are the goals for KWS.…

Computation and Language · Computer Science 2017-07-06 Sercan O. Arik , Markus Kliegl , Rewon Child , Joel Hestness , Andrew Gibiansky , Chris Fougner , Ryan Prenger , Adam Coates

This paper explores the application of spiking neural networks (SNNs), known for their low-power binary spikes, to bearing fault diagnosis, bridging the gap between high-performance AI algorithms and real-world industrial scenarios. In…

Neural and Evolutionary Computing · Computer Science 2025-06-17 Lin Zuo , Yongqi Ding , Mengmeng Jing , Kunshan Yang , Biao Chen , Yunqian Yu

Initially developed for natural language processing (NLP), Transformer model is now widely used for speech processing tasks such as speaker recognition, due to its powerful sequence modeling capabilities. However, conventional…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-28 Rui Wang , Junyi Ao , Long Zhou , Shujie Liu , Zhihua Wei , Tom Ko , Qing Li , Yu Zhang

Speaker verification (SV) utilizing features obtained from models pre-trained via self-supervised learning has recently demonstrated impressive performances. However, these pre-trained models (PTMs) usually have a temporal resolution of 20…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-28 Jisoo Myoung , Sangwook Han , Kihyuk Kim , Jong Won Shin