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Realistic hyperspectral image (HSI) super-resolution (SR) techniques aim to generate a high-resolution (HR) HSI with higher spectral and spatial fidelity from its low-resolution (LR) counterpart. The generative adversarial network (GAN) has…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Yue Shi , Liangxiu Han , Lianghao Han , Sheng Chang , Tongle Hu , Darren Dancey

As more and more data is collected in various settings across organizations, companies, and countries, there has been an increase in the demand of user privacy. Developing privacy preserving methods for data analytics is thus an important…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-18 David Ericsson , Adam Östberg , Edvin Listo Zec , John Martinsson , Olof Mogren

Deep generative models have achieved significant progress in speech synthesis to date, while high-fidelity singing voice synthesis is still an open problem for its long continuous pronunciation, rich high-frequency parts, and strong…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-08 Rongjie Huang , Chenye Cui , Feiyang Chen , Yi Ren , Jinglin Liu , Zhou Zhao , Baoxing Huai , Zhefeng Wang

Despite recent progress in generative adversarial network (GAN)-based vocoders, where the model generates raw waveform conditioned on acoustic features, it is challenging to synthesize high-fidelity audio for numerous speakers across…

Sound · Computer Science 2023-02-17 Sang-gil Lee , Wei Ping , Boris Ginsburg , Bryan Catanzaro , Sungroh Yoon

One of the main motivations for training high quality image generative models is their potential use as tools for image manipulation. Recently, generative adversarial networks (GANs) have been able to generate images of remarkable quality.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Aviv Gabbay , Yedid Hoshen

Voice conversion (VC) stands as a crucial research area in speech synthesis, enabling the transformation of a speaker's vocal characteristics to resemble another while preserving the linguistic content. This technology has broad…

Sound · Computer Science 2025-04-29 Sandipan Dhar , Nanda Dulal Jana , Swagatam Das

Recently, GAN based speech synthesis methods, such as MelGAN, have become very popular. Compared to conventional autoregressive based methods, parallel structures based generators make waveform generation process fast and stable. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-25 Qiao Tian , Yi Chen , Zewang Zhang , Heng Lu , Linghui Chen , Lei Xie , Shan Liu

Generative Retrieval introduces a new approach to Information Retrieval by reframing it as a constrained generation task, leveraging recent advancements in Autoregressive (AR) language models. However, AR-based Generative Retrieval methods…

Computation and Language · Computer Science 2024-06-12 Ravisri Valluri , Akash Kumar Mohankumar , Kushal Dave , Amit Singh , Jian Jiao , Manik Varma , Gaurav Sinha

It is still a challenging task to learn a neural text generation model under the framework of generative adversarial networks (GANs) since the entire training process is not differentiable. The existing training strategies either suffer…

Computation and Language · Computer Science 2023-07-25 Liping Yuan , Jiehang Zeng , Xiaoqing Zheng

This paper proposes VARA-TTS, a non-autoregressive (non-AR) text-to-speech (TTS) model using a very deep Variational Autoencoder (VDVAE) with Residual Attention mechanism, which refines the textual-to-acoustic alignment layer-wisely.…

Sound · Computer Science 2021-02-15 Peng Liu , Yuewen Cao , Songxiang Liu , Na Hu , Guangzhi Li , Chao Weng , Dan Su

Training generative adversarial networks (GANs) on high quality (HQ) images involves important computing resources. This requirement represents a bottleneck for the development of applications of GANs. We propose a transfer learning…

Machine Learning · Computer Science 2021-08-17 Yaël Frégier , Jean-Baptiste Gouray

In this paper, we propose a novel generative model named Stacked Generative Adversarial Networks (SGAN), which is trained to invert the hierarchical representations of a bottom-up discriminative network. Our model consists of a top-down…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Xun Huang , Yixuan Li , Omid Poursaeed , John Hopcroft , Serge Belongie

In recent times, many of the breakthroughs in various vision-related tasks have revolved around improving learning of deep models; these methods have ranged from network architectural improvements such as Residual Networks, to various forms…

Machine Learning · Statistics 2018-05-15 Yan Zuo , Gil Avraham , Tom Drummond

Leveraging powerful deep learning techniques, the end-to-end (E2E) learning of communication system is able to outperform the classical communication system. Unfortunately, this communication system cannot be trained by deep learning…

Information Theory · Computer Science 2022-04-04 Hao Jiang , Shuangkaisheng Bi , Linglong Dai , Hao Wang , Jiankun Zhang

We present a novel artificial cognitive mapping system using generative deep neural networks, called variational autoencoder/generative adversarial network (VAE/GAN), which can map input images to latent vectors and generate temporal…

Machine Learning · Computer Science 2022-04-14 Hiroki Kojima , Takashi Ikegami

Pre-trained models have achieved remarkable success in natural language processing (NLP). However, existing pre-training methods underutilize the benefits of language understanding for generation. Inspired by the idea of Generative…

Computation and Language · Computer Science 2023-05-10 Jian Yang , Shuming Ma , Li Dong , Shaohan Huang , Haoyang Huang , Yuwei Yin , Dongdong Zhang , Liqun Yang , Furu Wei , Zhoujun Li

The Generative Adversarial Network (GAN) has achieved great success in generating realistic (real-valued) synthetic data. However, convergence issues and difficulties dealing with discrete data hinder the applicability of GAN to text. We…

Machine Learning · Statistics 2017-11-21 Yizhe Zhang , Zhe Gan , Kai Fan , Zhi Chen , Ricardo Henao , Dinghan Shen , Lawrence Carin

Generative Adversarial Networks (GAN) are known to produce synthetic data that are difficult to discern from real ones by humans. In this paper we present an approach to use GAN to produce realistically looking ECG signals. We utilize them…

Machine Learning · Computer Science 2020-09-08 Karol Antczak

Self-attention networks (SAN) have been introduced into automatic speech recognition (ASR) and achieved state-of-the-art performance owing to its superior ability in capturing long term dependency. One of the key ingredients is the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-30 Zhao You , Dan Su , Jie Chen , Chao Weng , Dong Yu

Generative Adversarial Networks (GANs) can synthesize realistic images, with the learned latent space shown to encode rich semantic information with various interpretable directions. However, due to the unstructured nature of the learned…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Zikun Chen , Han Zhao , Parham Aarabi , Ruowei Jiang