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In recent years, a great deal of attention has been paid to the Transformer network for speech recognition tasks due to its excellent model performance. However, the Transformer network always involves heavy computation and large number of…

声音 · 计算机科学 2023-04-12 Guangyong Wei , Zhikui Duan , Shiren Li , Guangguang Yang , Xinmei Yu , Junhua Li

In the process of recording, storage and transmission of time-domain audio signals, errors may be introduced that are difficult to correct in an unsupervised way. Here, we train a convolutional deep neural network to re-synthesize input…

声音 · 计算机科学 2015-03-20 Andrew J. R. Simpson

Single image super-resolution(SISR) is an ill-posed problem that aims to obtain high-resolution (HR) output from low-resolution (LR) input, during which extra high-frequency information is supposed to be added to improve the perceptual…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Runyuan Cai , Yue Ding , Hongtao Lu

Remote sensing (RS) change detection incurs a high cost because of false negatives, which are more costly than false positives. Existing frameworks, struggling to improve the Precision metric to reduce the cost of false positive, still have…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Junjie Yang , Haibo Wan , Zhihai Shang

Current anti-spoofing and audio deepfake detection systems use either magnitude spectrogram-based features (such as CQT or Melspectrograms) or raw audio processed through convolution or sinc-layers. Both methods have drawbacks: magnitude…

声音 · 计算机科学 2023-08-24 Nicolas M. Müller , Philip Sperl , Konstantin Böttinger

We propose Mobile Audio Streaming Networks (MASnet) for efficient low-latency speech enhancement, which is particularly suitable for mobile devices and other applications where computational capacity is a limitation. MASnet processes…

音频与语音处理 · 电气工程与系统科学 2020-08-18 Michał Romaniuk , Piotr Masztalski , Karol Piaskowski , Mateusz Matuszewski

This paper proposes a Convolutional Neural Network (CNN) inspired by Multitask Learning (MTL) and based on speech features trained under the joint supervision of softmax loss and center loss, a powerful metric learning strategy, for the…

声音 · 计算机科学 2019-09-04 Suraj Tripathi , Abhiram Ramesh , Abhay Kumar , Chirag Singh , Promod Yenigalla

Lightweight super resolution networks have extremely importance for real-world applications. In recent years several SR deep learning approaches with outstanding achievement have been introduced by sacrificing memory and computational cost.…

图像与视频处理 · 电气工程与系统科学 2020-11-10 Armin Mehri , Parichehr B. Ardakani , Angel D. Sappa

Large language models (LLMs) now support extremely long context windows, but the quadratic complexity of vanilla attention results in significantly long Time-to-First-Token (TTFT) latency. Existing approaches to address this complexity…

计算与语言 · 计算机科学 2025-09-04 Qianchao Zhu , Jiangfei Duan , Chang Chen , Siran Liu , Guanyu Feng , Xin Lv , Xiao Chuanfu , Dahua Lin , Chao Yang

Speech enhancement algorithms based on deep learning have been improved in terms of speech intelligibility and perceptual quality greatly. Many methods focus on enhancing the amplitude spectrum while reconstructing speech using the mixture…

音频与语音处理 · 电气工程与系统科学 2021-02-10 Qinglong Li , Fei Gao , Haixin Guan , Kaichi Ma

Deep learning methods have witnessed the great progress in image restoration with specific metrics (e.g., PSNR, SSIM). However, the perceptual quality of the restored image is relatively subjective, and it is necessary for users to control…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Wei Wang , Ruiming Guo , Yapeng Tian , Wenming Yang

The application of generative adversarial networks (GANs) has recently advanced speech super-resolution (SR) based on intermediate representations like mel-spectrograms. However, existing SR methods that typically rely on independently…

声音 · 计算机科学 2025-01-20 Shengkui Zhao , Kun Zhou , Zexu Pan , Yukun Ma , Chong Zhang , Bin Ma

Modern speaker verification (SV) systems typically demand expensive storage and computing resources, thereby hindering their deployment on mobile devices. In this paper, we explore adaptive neural network quantization for lightweight…

音频与语音处理 · 电气工程与系统科学 2024-12-03 Bei Liu , Haoyu Wang , Yanmin Qian

Transformer architectures have exhibited remarkable performance in image super-resolution (SR). Since the quadratic computational complexity of the self-attention (SA) in Transformer, existing methods tend to adopt SA in a local region to…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Zheng Chen , Yulun Zhang , Jinjin Gu , Linghe Kong , Xiaokang Yang

Recently, face super-resolution (FSR) methods either feed whole face image into convolutional neural networks (CNNs) or utilize extra facial priors (e.g., facial parsing maps, facial landmarks) to focus on facial structure, thereby…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Yuanzhi Wang , Tao Lu , Yanduo Zhang , Junjun Jiang , Jiaming Wang , Zhongyuan Wang , Jiayi Ma

Recent synthetic speech detection models typically adapt a pre-trained SSL model via finetuning, which is computationally demanding. Parameter-Efficient Fine-Tuning (PEFT) offers an alternative. However, existing methods lack the specific…

声音 · 计算机科学 2025-10-30 Yassine El Kheir , Fabian Ritter-Guttierez , Arnab Das , Tim Polzehl , Sebastian Möller

This study proposes a fully convolutional network (FCN) model for raw waveform-based speech enhancement. The proposed system performs speech enhancement in an end-to-end (i.e., waveform-in and waveform-out) manner, which dif-fers from most…

机器学习 · 统计学 2017-06-16 Szu-Wei Fu , Yu Tsao , Xugang Lu , Hisashi Kawai

Spectral computed tomography (CT) is an emerging technology, that generates a multienergy attenuation map for the interior of an object and extends the traditional image volume into a 4D form. Compared with traditional CT based on…

医学物理 · 物理学 2022-07-27 Xiang Chen , Wenjun Xia , Ziyuan Yang , Hu Chen , Yan Liu , Jiliu Zhou , Yi Zhang

Stereo image super-resolution (SR) refers to the reconstruction of a high-resolution (HR) image from a pair of low-resolution (LR) images as typically captured by a dual-camera device. To enhance the quality of SR images, most previous…

图像与视频处理 · 电气工程与系统科学 2024-05-15 Yihong Chen , Zhen Fan , Shuai Dong , Zhiwei Chen , Wenjie Li , Minghui Qin , Min Zeng , Xubing Lu , Guofu Zhou , Xingsen Gao , Jun-Ming Liu

When tasks change over time, meta-transfer learning seeks to improve the efficiency of learning a new task via both meta-learning and transfer-learning. While the standard attention has been effective in a variety of settings, we question…

机器学习 · 计算机科学 2020-06-30 Jaesik Yoon , Gautam Singh , Sungjin Ahn