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Time series forecasting has made significant advances, including with Transformer-based models. The attention mechanism in Transformer effectively captures temporal dependencies by attending to all past inputs simultaneously. However, its…

机器学习 · 计算机科学 2025-11-04 Xiongxiao Xu , Canyu Chen , Yueqing Liang , Baixiang Huang , Guangji Bai , Liang Zhao , Kai Shu

Perceptual image compression focuses on preserving high visual quality under low-bitrate constraints. Most existing approaches to perceptual compression leverage the strong generative capabilities of generative adversarial networks or…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Jiaqian Zhang , Hao Wei , Chenyang Ge , Yanhui Zhou

We introduce a framework for audio source separation using embeddings on a hyperbolic manifold that compactly represent the hierarchical relationship between sound sources and time-frequency features. Inspired by recent successes modeling…

音频与语音处理 · 电气工程与系统科学 2022-12-12 Darius Petermann , Gordon Wichern , Aswin Subramanian , Jonathan Le Roux

Depression is a common mental disorder that affects millions of people worldwide. Although promising, current multimodal methods hinge on aligned or aggregated multimodal fusion, suffering two significant limitations: (i) inefficient…

计算机与社会 · 计算机科学 2024-09-25 Jiaxin Ye , Junping Zhang , Hongming Shan

In the field of medical image segmentation, models based on both CNN and Transformer have been thoroughly investigated. However, CNNs have limited modeling capabilities for long-range dependencies, making it challenging to exploit the…

图像与视频处理 · 电气工程与系统科学 2024-03-15 Mingya Zhang , Yue Yu , Limei Gu , Tingsheng Lin , Xianping Tao

Separating vocal elements from musical tracks is a longstanding challenge in audio signal processing. This study tackles the distinct separation of vocal components from musical spectrograms. We employ the Short Time Fourier Transform…

声音 · 计算机科学 2024-05-31 Adam Sorrenti

In recent years, Transformers have become the de-facto architecture for sequence modeling on text and a variety of multi-dimensional data, such as images and video. However, the use of self-attention layers in a Transformer incurs…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Shufan Li , Harkanwar Singh , Aditya Grover

Robust feature representations are essential for learning-based Multi-View Stereo (MVS), which relies on accurate feature matching. Recent MVS methods leverage Transformers to capture long-range dependencies based on local features…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Jianfei Jiang , Qiankun Liu , Hongyuan Liu , Haochen Yu , Liyong Wang , Jiansheng Chen , Huimin Ma

We consider the task of region-based source separation of reverberant multi-microphone recordings. We assume pre-defined spatial regions with a single active source per region. The objective is to estimate the signals from the individual…

音频与语音处理 · 电气工程与系统科学 2023-03-14 Julian Wechsler , Srikanth Raj Chetupalli , Wolfgang Mack , Emanuël A. P. Habets

Effective pronunciation feedback is critical in second language (L2) learning, for which computer-assisted pronunciation training (CAPT) systems often encompass two key tasks: automatic pronunciation assessment (APA) and mispronunciation…

计算与语言 · 计算机科学 2025-07-28 Tzu-Hsuan Yang , Yue-Yang He , Berlin Chen

This paper deals with the problem of audio source separation. To handle the complex and ill-posed nature of the problems of audio source separation, the current state-of-the-art approaches employ deep neural networks to obtain instrumental…

声音 · 计算机科学 2017-06-30 Naoya Takahashi , Yuki Mitsufuji

Large pre-trained models have achieved outstanding results in sequence modeling. The Transformer block and its attention mechanism have been the main drivers of the success of these models. Recently, alternative architectures, such as…

机器学习 · 计算机科学 2025-01-29 J. Pablo Muñoz , Jinjie Yuan , Nilesh Jain

Recent Transformer-based diffusion models have shown remarkable performance, largely attributed to the ability of the self-attention mechanism to accurately capture both global and local contexts by computing all-pair interactions among…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Yunxiang Fu , Chaoqi Chen , Yizhou Yu

Video anomaly detection (VAD) has been extensively researched due to its potential for intelligent video systems. However, most existing methods based on CNNs and transformers still suffer from substantial computational burdens and have…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Zhangxun Li , Mengyang Zhao , Xuan Yang , Yang Liu , Jiamu Sheng , Xinhua Zeng , Tian Wang , Kewei Wu , Yu-Gang Jiang

State space models (SSMs) have emerged as an efficient alternative to Transformer models for language modeling, offering linear computational complexity and constant memory usage as context length increases. However, despite their…

This paper describes a versatile method that accelerates multichannel source separation methods based on full-rank spatial modeling. A popular approach to multichannel source separation is to integrate a spatial model with a source model…

声音 · 计算机科学 2019-03-11 Kouhei Sekiguchi , Aditya Arie Nugraha , Yoshiaki Bando , Kazuyoshi Yoshii

Recent Mamba-based models have shown promise in speech enhancement by efficiently modeling long-range temporal dependencies. However, models like Speech Enhancement Mamba (SEMamba) remain limited to single-speaker scenarios and struggle in…

声音 · 计算机科学 2025-10-01 Rong Chao , Wenze Ren , You-Jin Li , Kuo-Hsuan Hung , Sung-Feng Huang , Szu-Wei Fu , Wen-Huang Cheng , Yu Tsao

Point cloud segmentation is crucial for robotic visual perception and environmental understanding, enabling applications such as robotic navigation and 3D reconstruction. However, handling the sparse and unordered nature of point cloud data…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Tao Wang , Wei Wen , Jingzhi Zhai , Kang Xu , Haoming Luo

Human engagement estimation in conversational scenarios is essential for applications such as adaptive tutoring, remote healthcare assessment, and socially aware human--computer interaction. Engagement is a dynamic, multimodal signal…

人工智能 · 计算机科学 2025-09-23 Shenwei Kang , Xin Zhang , Wen Liu , Bin Li , Yujie Liu , Bo Gao

Despite the remarkable quality of LLM-based text-to-speech systems, their reliance on autoregressive Transformers leads to quadratic computational complexity, which severely limits practical applications. Linear-time alternatives, notably…

音频与语音处理 · 电气工程与系统科学 2026-03-16 Tan Dat Nguyen , Sangmin Bae , Joon Son Chung , Ji-Hoon Kim