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相关论文: PU-GAN: a Point Cloud Upsampling Adversarial Netwo…

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Deep generative models are proven to be a useful tool for automatic design synthesis and design space exploration. When applied in engineering design, existing generative models face three challenges: 1) generated designs lack diversity and…

机器学习 · 计算机科学 2021-08-17 Wei Chen , Faez Ahmed

Recent advances in generative modeling have demonstrated strong promise for high-quality point cloud upsampling. In this work, we present PUFM++, an enhanced flow-matching framework for reconstructing dense and accurate point clouds from…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Zhi-Song Liu , Chenhang He , Roland Maier , Andreas Rupp

In this paper, we address the task of semantic-guided image generation. One challenge common to most existing image-level generation methods is the difficulty in generating small objects and detailed local textures. To address this, in this…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Hao Tang , Ling Shao , Philip H. S. Torr , Nicu Sebe

In the context of Earth observation, change detection boils down to comparing images acquired at different times by sensors of possibly different spatial and/or spectral resolutions or different modalities (e.g., optical or radar). Even…

图像与视频处理 · 电气工程与系统科学 2023-11-30 Jin-Ju Wang , Nicolas Dobigeon , Marie Chabert , Ding-Cheng Wang , Ting-Zhu Huang , Jie Huang

High quality upsampling of sparse 3D point clouds is critically useful for a wide range of geometric operations such as reconstruction, rendering, meshing, and analysis. In this paper, we propose a data-driven algorithm that enables an…

计算机视觉与模式识别 · 计算机科学 2019-06-24 Wentai Zhang , Haoliang Jiang , Zhangsihao Yang , Soji Yamakawa , Kenji Shimada , Levent Burak Kara

Generative adversarial network (GAN) is a framework for generating fake data using a set of real examples. However, GAN is unstable in the training stage. In order to stabilize GANs, the noise injection has been used to enlarge the overlap…

机器学习 · 计算机科学 2022-08-02 Kensuke Nakamura , Simon Korman , Byung-Woo Hong

This paper addresses the problem of generating dense point clouds from given sparse point clouds to model the underlying geometric structures of objects/scenes. To tackle this challenging issue, we propose a novel end-to-end learning-based…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Yue Qian , Junhui Hou , Sam Kwong , Ying He

In minimally-invasive brain surgeries with indirect and narrow operating environments, 3D brain reconstruction is crucial. However, as requirements of accuracy for some new minimally-invasive surgeries (such as brain-computer interface…

图像与视频处理 · 电气工程与系统科学 2025-03-26 Bowen Hu , Weiheng Yao , Sibo Qiao , Hieu Pham , Shuqiang Wang , Michael Kwok-Po Ng

Generative Adversarial Networks (GANs) are deep learning architectures capable of generating synthetic datasets. Despite producing high-quality synthetic images, the default GAN has no control over the kinds of images it generates. The…

机器学习 · 计算机科学 2021-03-24 Vaikkunth Mugunthan , Vignesh Gokul , Lalana Kagal , Shlomo Dubnov

In this paper, we propose the Self-Attention Generative Adversarial Network (SAGAN) which allows attention-driven, long-range dependency modeling for image generation tasks. Traditional convolutional GANs generate high-resolution details as…

机器学习 · 统计学 2019-06-18 Han Zhang , Ian Goodfellow , Dimitris Metaxas , Augustus Odena

Deep neural networks have made tremendous progress in 3D point-cloud recognition. Recent works have shown that these 3D recognition networks are also vulnerable to adversarial samples produced from various attack methods, including…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Hang Zhou , Dongdong Chen , Jing Liao , Weiming Zhang , Kejiang Chen , Xiaoyi Dong , Kunlin Liu , Gang Hua , Nenghai Yu

Despite the rapid development of adversarial machine learning, most adversarial attack and defense researches mainly focus on the perturbation-based adversarial examples, which is constrained by the input images. In comparison with existing…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Xiaosen Wang , Kun He , Chuanbiao Song , Liwei Wang , John E. Hopcroft

Generative Adversarial Networks (GANs) is a novel class of deep generative models which has recently gained significant attention. GANs learns complex and high-dimensional distributions implicitly over images, audio, and data. However,…

机器学习 · 计算机科学 2023-04-06 Divya Saxena , Jiannong Cao

This paper introduces a novel approach to texture synthesis based on generative adversarial networks (GAN) (Goodfellow et al., 2014). We extend the structure of the input noise distribution by constructing tensors with different types of…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Urs Bergmann , Nikolay Jetchev , Roland Vollgraf

We present the first generative adversarial network (GAN) for natural image matting. Our novel generator network is trained to predict visually appealing alphas with the addition of the adversarial loss from the discriminator that is…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Sebastian Lutz , Konstantinos Amplianitis , Aljosa Smolic

Generative Adversarial Networks (GANs) triggered an increased interest in problem of image generation due to their improved output image quality and versatility for expansion towards new methods. Numerous GAN-based works attempt to improve…

计算机视觉与模式识别 · 计算机科学 2020-10-09 Gulcin Baykal , Gozde Unal

Generative adversarial networks (GANs) have been recently adopted for super-resolution, an application closely related to what is referred to as "downscaling" in the atmospheric sciences: improving the spatial resolution of low-resolution…

图像与视频处理 · 电气工程与系统科学 2021-11-12 Jussi Leinonen , Daniele Nerini , Alexis Berne

Generative adversarial networks (GANs) provide a way to learn deep representations without extensively annotated training data. They achieve this through deriving backpropagation signals through a competitive process involving a pair of…

计算机视觉与模式识别 · 计算机科学 2018-02-14 Antonia Creswell , Tom White , Vincent Dumoulin , Kai Arulkumaran , Biswa Sengupta , Anil A Bharath

Point cloud upsampling is essential for high-quality augmented reality, virtual reality, and telepresence applications, due to the capture, processing, and communication limitations of existing technologies. Although geometry upsampling to…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Lingdong Wang , Mohammad Hajiesmaili , Jacob Chakareski , Ramesh K. Sitaraman

Despite continuous improvements, precipitation forecasts are still not as accurate and reliable as those of other meteorological variables. A major contributing factor to this is that several key processes affecting precipitation…

大气与海洋物理 · 物理学 2022-11-09 Lucy Harris , Andrew T. T. McRae , Matthew Chantry , Peter D. Dueben , Tim N. Palmer