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Related papers: NU-GAN: High resolution neural upsampling with GAN

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A speech enhancement method based on probabilistic geometric approach to spectral subtraction (PGA) performed on short time magnitude spectrum is presented in this paper. A confidence parameter of noise estimation is introduced in the gain…

Audio and Speech Processing · Electrical Eng. & Systems 2018-02-15 Md Tauhidul Islam , Celia Shahnaz , Wei-Ping Zhu , M. Omair Ahmad

A resolution enhancement technique for optical coherence tomography (OCT), based on Generative Adversarial Networks (GANs), was developed and investigated. GANs have been previously used for resolution enhancement of photography and optical…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Kaicheng Liang , Xinyu Liu , Si Chen , Jun Xie , Wei Qing Lee , Linbo Liu , Hwee Kuan Lee

Neural networks have proven their capabilities by outperforming many other approaches on regression or classification tasks on various kinds of data. Other astonishing results have been achieved using neural nets as data generators,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Andrej Junginger , Markus Hanselmann , Thilo Strauss , Sebastian Boblest , Jens Buchner , Holger Ulmer

Electroencephalography (EEG) activity contains a wealth of information about what is happening within the human brain. Recording more of this data has the potential to unlock endless future applications. However, the cost of EEG hardware is…

Machine Learning · Computer Science 2025-02-14 Isaac Corley , Yufei Huang

Noise suppression (NS) algorithms are effective in improving speech quality in many cases. However, aggressive noise suppression can damage the target speech, reducing both speech intelligibility and quality despite removing the noise. This…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-11 Kyungguen Byun , Jason Filos , Erik Visser , Sunkuk Moon

In practical application of speech codecs, a multitude of factors such as the quality of the radio connection, limiting hardware or required user experience necessitate trade-offs between achievable perceptual quality, engendered bitrate…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-25 Kishan Gupta , Srikanth Korse , Andreas Brendel , Nicola Pia , Guillaume Fuchs

Guided source separation (GSS) is a type of target-speaker extraction method that relies on pre-computed speaker activities and blind source separation to perform front-end enhancement of overlapped speech signals. It was first proposed…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-15 Desh Raj , Daniel Povey , Sanjeev Khudanpur

We propose a novel method for generating high-resolution videos of talking-heads from speech audio and a single 'identity' image. Our method is based on a convolutional neural network model that incorporates a pre-trained StyleGAN…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Mohammed M. Alghamdi , He Wang , Andrew J. Bulpitt , David C. Hogg

Real low-resolution (LR) face images contain degradations which are too varied and complex to be captured by known downsampling kernels and signal-independent noises. So, in order to successfully super-resolve real faces, a method needs to…

Image and Video Processing · Electrical Eng. & Systems 2022-02-09 Saurabh Goswami , Aakanksha , Rajagopalan A. N

Currently generative adversarial networks (GANs) are rarely applied to medical images of large sizes, especially 3D volumes, due to their large computational demand. We propose a novel multi-scale patch-based GAN approach to generate large…

Image and Video Processing · Electrical Eng. & Systems 2019-07-09 Hristina Uzunova , Jan Ehrhardt , Fabian Jacob , Alex Frydrychowicz , Heinz Handels

Recently, sampling methods have been successfully applied to enhance the sample quality of Generative Adversarial Networks (GANs). However, in practice, they typically have poor sample efficiency because of the independent proposal sampling…

Machine Learning · Statistics 2021-07-02 Yifei Wang , Yisen Wang , Jiansheng Yang , Zhouchen Lin

We propose a GAN-based image compression method working at extremely low bitrates below 0.1bpp. Most existing learned image compression methods suffer from blur at extremely low bitrates. Although GAN can help to reconstruct sharp images,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-01 Shoma Iwai , Tomo Miyazaki , Yoshihiro Sugaya , Shinichiro Omachi

Producing a large annotated speech corpus for training ASR systems remains difficult for more than 95% of languages all over the world which are low-resourced, but collecting a relatively big unlabeled data set for such languages is more…

Computation and Language · Computer Science 2019-08-26 Kuan-Yu Chen , Che-Ping Tsai , Da-Rong Liu , Hung-Yi Lee , Lin-shan Lee

Human voice is the source of several important information. This is in the form of features. These Features help in interpreting various features associated with the speaker and speech. The speaker dependent work researchersare targeted…

Sound · Computer Science 2022-03-30 Shankhanil Ghosh , Chhanda Saha , Naagamani Molakathaala

Generative Adversarial Networks (GAN) have demonstrated the potential to recover realistic details for single image super-resolution (SISR). To further improve the visual quality of super-resolved results, PIRM2018-SR Challenge employed…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Wenlong Zhang , Yihao Liu , Chao Dong , Yu Qiao

Recently, the proliferation of highly realistic synthetic images, facilitated through a variety of GANs and Diffusions, has significantly heightened the susceptibility to misuse. While the primary focus of deepfake detection has…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Chuangchuang Tan , Huan Liu , Yao Zhao , Shikui Wei , Guanghua Gu , Ping Liu , Yunchao Wei

Voice conversion has gained increasing popularity within the field of audio manipulation and speech synthesis. Often, the main objective is to transfer the input identity to that of a target speaker without changing its linguistic content.…

Sound · Computer Science 2024-08-30 Anders R. Bargum , Simon Lajboschitz , Cumhur Erkut

We propose a unified compression framework that uses generative adversarial networks (GAN) to compress image and speech signals. The compressed signal is represented by a latent vector fed into a generator network which is trained to…

Signal Processing · Electrical Eng. & Systems 2019-12-10 Bowen Liu , Ang Cao , Hun-seok Kim

N-HANS is a Python toolkit for in-the-wild audio enhancement, including speech, music, and general audio denoising, separation, and selective noise or source suppression. The functionalities are realised based on two neural network models…

Sound · Computer Science 2019-12-02 Shuo Liu , Gil Keren , Björn Schuller

We propose a novel method to use both audio and a low-resolution image to perform extreme face super-resolution (a 16x increase of the input size). When the resolution of the input image is very low (e.g., 8x8 pixels), the loss of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Givi Meishvili , Simon Jenni , Paolo Favaro