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Audio super-resolution is a challenging task of recovering the missing high-resolution features from a low-resolution signal. To address this, generative adversarial networks (GAN) have been used to achieve promising results by training the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-12 Shichao Hu , Bin Zhang , Beici Liang , Ethan Zhao , Simon Lui

While Generative Adversarial Networks (GANs) have seen huge successes in image synthesis tasks, they are notoriously difficult to adapt to different datasets, in part due to instability during training and sensitivity to hyperparameters.…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Animesh Karnewar , Oliver Wang

Unsupervised generation of high-quality multi-view-consistent images and 3D shapes using only collections of single-view 2D photographs has been a long-standing challenge. Existing 3D GANs are either compute-intensive or make approximations…

An individualised head-related transfer function (HRTF) is very important for creating realistic virtual reality (VR) and augmented reality (AR) environments. However, acoustically measuring high-quality HRTFs requires expensive equipment…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-28 Aidan O. T. Hogg , Mads Jenkins , He Liu , Isaac Squires , Samuel J. Cooper , Lorenzo Picinali

Point clouds are rich geometric data structures, where their three dimensional structure offers an excellent domain for understanding the representation learning and generative modeling in 3D space. In this work, we aim to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Lingjie Kong , Pankaj Rajak , Siamak Shakeri

Data augmentation is widely used to train deep learning models to address data scarcity. However, traditional data augmentation (TDA) typically relies on simple geometric transformation, such as random rotation and rescaling, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Dekai Zhu , Stefan Gavranovic , Flavien Boussuge , Benjamin Busam , Slobodan Ilic

In this paper, a cloud radio access network (Cloud-RAN) based collaborative edge AI inference architecture is proposed. Specifically, geographically distributed devices capture real-time noise-corrupted sensory data samples and extract the…

Information Theory · Computer Science 2024-04-10 Pengfei Zhang , Dingzhu Wen , Guangxu Zhu , Qimei Chen , Kaifeng Han , Yuanming Shi

We present the first approach for 3D point-cloud to image translation based on conditional Generative Adversarial Networks (cGAN). The model handles multi-modal information sources from different domains, i.e. raw point-sets and images. The…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Stefan Milz , Martin Simon , Kai Fischer , Maximillian Pöpperl

In this work, we propose a novel technique to generate shapes from point cloud data. A point cloud can be viewed as samples from a distribution of 3D points whose density is concentrated near the surface of the shape. Point cloud generation…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Ruojin Cai , Guandao Yang , Hadar Averbuch-Elor , Zekun Hao , Serge Belongie , Noah Snavely , Bharath Hariharan

We propose a method to generate 3D shapes using point clouds. Given a point-cloud representation of a 3D shape, our method builds a kd-tree to spatially partition the points. This orders them consistently across all shapes, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Matheus Gadelha , Subhransu Maji , Rui Wang

As a popular representation of 3D data, point cloud may contain noise and need to be filtered before use. Existing point cloud filtering methods either cannot preserve sharp features or result in uneven point distribution in the filtered…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Shuaijun Chen , Jinxi Wang , Wei Pan , Shang Gao , Meili Wang , Xuequan Lu

Deep neural networks for 3D point cloud understanding have achieved remarkable success in object classification and recognition, yet recent work shows that these models remain highly vulnerable to adversarial perturbations. Existing 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Gayathry Chandramana Krishnan Nampoothiry , Raghuram Venkatapuram , Anirban Ghosh , Ayan Dutta

We propose a novel multi-texture synthesis model based on generative adversarial networks (GANs) with a user-controllable mechanism. The user control ability allows to explicitly specify the texture which should be generated by the model.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Aibek Alanov , Max Kochurov , Denis Volkhonskiy , Daniil Yashkov , Evgeny Burnaev , Dmitry Vetrov

Self-supervised methods have been proven effective for learning deep representations of 3D point cloud data. Although recent methods in this domain often rely on random masking of inputs, the results of this approach can be improved. We…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Michał Szachniewicz , Wojciech Kozłowski , Michał Stypułkowski , Maciej Zięba

Using a large-scale, experimentally captured 3D microstructure dataset, we implement the generative adversarial network (GAN) framework to learn and generate 3D microstructures of solid oxide fuel cell electrodes. The generated…

Image and Video Processing · Electrical Eng. & Systems 2020-06-25 Tim Hsu , William K. Epting , Hokon Kim , Harry W. Abernathy , Gregory A. Hackett , Anthony D. Rollett , Paul A. Salvador , Elizabeth A. Holm

In this work, we propose a novel method for generating 3D point clouds that leverage properties of hyper networks. Contrary to the existing methods that learn only the representation of a 3D object, our approach simultaneously finds a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Przemysław Spurek , Sebastian Winczowski , Jacek Tabor , Maciej Zamorski , Maciej Zięba , Tomasz Trzciński

Due to the latest advances in technology, telescopes with significant sky coverage will produce millions of astronomical alerts per night that must be classified both rapidly and automatically. Currently, classification consists of…

Instrumentation and Methods for Astrophysics · Physics 2022-08-17 Germán García-Jara , Pavlos Protopapas , Pablo A. Estévez

A new generative adversarial network is developed for joint distribution matching. Distinct from most existing approaches, that only learn conditional distributions, the proposed model aims to learn a joint distribution of multiple random…

Machine Learning · Computer Science 2018-06-11 Yunchen Pu , Shuyang Dai , Zhe Gan , Weiyao Wang , Guoyin Wang , Yizhe Zhang , Ricardo Henao , Lawrence Carin

Generative Adversarial Networks (GANs) are a recent advancement in unsupervised machine learning. They are a cat-and-mouse game between two neural networks: [1] a discriminator network which learns to validate whether a sample is real or…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-23 Olivia Curtis , Tereasa G. Brainerd

In this paper, we propose an improved quantitative evaluation framework for Generative Adversarial Networks (GANs) on generating domain-specific images, where we improve conventional evaluation methods on two levels: the feature…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Shaohui Liu , Yi Wei , Jiwen Lu , Jie Zhou
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