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Wang and Wang (2025) proposed the Task-Driven Fixation Network (TDFN) based on the fixation mechanism, which leverages low-resolution information along with high-resolution details near fixation points to accomplish specific visual tasks.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Shuguang Wang , Yuanjing Wang

Multi-view frame reconstruction is an important problem particularly when multiple frames are missing and past and future frames within the camera are far apart from the missing ones. Realistic coherent frames can still be reconstructed…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Tahmida Mahmud , Mohammad Billah , Amit K. Roy-Chowdhury

Synthetic tabular data emerges as an alternative for sharing knowledge while adhering to restrictive data access regulations, e.g., European General Data Protection Regulation (GDPR). Mainstream state-of-the-art tabular data synthesizers…

Machine Learning · Computer Science 2022-10-13 Zilong Zhao , Robert Birke , Lydia Y. Chen

Generative Adversarial Networks (GANs) have significantly advanced image synthesis, however, the synthesis quality drops significantly given a limited amount of training data. To improve the data efficiency of GAN training, prior work…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Ceyuan Yang , Yujun Shen , Yinghao Xu , Bolei Zhou

In single image super-resolution (SISR), given a low-resolution (LR) image, one wishes to find a high-resolution (HR) version of it which is both accurate and photo-realistic. Recently, it has been shown that there exists a fundamental…

Image and Video Processing · Electrical Eng. & Systems 2019-10-10 Xin Deng , Ren Yang , Mai Xu , Pier Luigi Dragotti

Generative adversarial networks have seen rapid development in recent years and have led to remarkable improvements in generative modelling of images. However, their application in the audio domain has received limited attention, and…

We present a novel generative modeling framework,Wavelet-Fourier-Diffusion, which adapts the diffusion paradigm to hybrid frequency representations in order to synthesize high-quality, high-fidelity images with improved spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Andrew Kiruluta , Andreas Lemos

Generative Adversarial Networks (GAN) have demonstrated impressive results in modeling the distribution of natural images, learning latent representations that capture semantic variations in an unsupervised basis. Beyond the generation of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-14 Marcos Pividori , Guillermo L. Grinblat , Lucas C. Uzal

Conditional generative adversarial networks (cGANs) have been widely researched to generate class conditional images using a single generator. However, in the conventional cGANs techniques, it is still challenging for the generator to learn…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Min-Cheol Sagong , Yong-Goo Shin , Yoon-Jae Yeo , Seung Park , Sung-Jea Ko

Generative adversarial networks (GANs) learn a deep generative model that is able to synthesise novel, high-dimensional data samples. New data samples are synthesised by passing latent samples, drawn from a chosen prior distribution,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 Antonia Creswell , Anil A Bharath

Time-frequency representation (TFR) allowing for mode reconstruction plays a significant role in interpreting and analyzing the nonstationary signal constituted of various modes. However, it is difficult for most previous methods to handle…

Signal Processing · Electrical Eng. & Systems 2021-09-01 Haijian Zhang , Guang Hua

The wide deployment of speech-based biometric systems usually demands high-performance speaker recognition algorithms. However, most of the prior works for speaker recognition either process the speech in the frequency domain or time…

Sound · Computer Science 2023-03-08 Jiguo Li , Tianzi Zhang , Xiaobin Liu , Lirong Zheng

Many CT slice images are stored with large slice intervals to reduce storage size in clinical practice. This leads to low resolution perpendicular to the slice images (i.e., z-axis), which is insufficient for 3D visualization or image…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Akira Kudo , Yoshiro Kitamura , Yuanzhong Li , Satoshi Iizuka , Edgar Simo-Serra

Open-set image recognition is a challenging topic in computer vision. Most of the existing works in literature focus on learning more discriminative features from the input images, however, they are usually insensitive to the high- or…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Qiulei Dong , Jiayin Sun , Mengyu Gao

Transthoracic Echocardiography (TTE) is a fundamental, non-invasive diagnostic tool in cardiovascular medicine, enabling detailed visualization of cardiac structures crucial for diagnosing various heart conditions. Despite its widespread…

Artificial Intelligence · Computer Science 2025-08-05 Matej Gazda , Samuel Kadoury , Jakub Gazda , Peter Drotar

It is abundantly clear that time dependent data is a vital source of information in the world. The challenge has been for applications in machine learning to gain access to a considerable amount of quality data needed for algorithm…

Machine Learning · Computer Science 2020-07-01 Kaleb E Smith , Anthony O Smith

Generative adversarial networks (GANs) have been shown to produce realistic samples from high-dimensional distributions, but training them is considered hard. A possible explanation for training instabilities is the inherent imbalance…

Machine Learning · Statistics 2018-07-12 Mehdi S. M. Sajjadi , Giambattista Parascandolo , Arash Mehrjou , Bernhard Schölkopf

The advancement of high-performance computing has enabled the generation of large direct numerical simulation (DNS) datasets of turbulent flows, driving the need for efficient compression/decompression techniques that reduce storage demands…

Generative Adversarial Networks (GAN) is currently widely used as an unsupervised image generation method. Current state-of-the-art GANs can generate photorealistic images with high resolution. However, a large amount of data is required,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Pengwei Wang

A novel Identity-Free conditional Generative Adversarial Network (IF-GAN) was proposed for Facial Expression Recognition (FER) to explicitly reduce high inter-subject variations caused by identity-related facial attributes, e.g., age, race,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Jie Cai , Zibo Meng , Ahmed Shehab Khan , Zhiyuan Li , James O'Reilly , Shizhong Han , Yan Tong
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