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Graph Convolutional Networks (GCNs) are a class of general models that can learn from graph structured data. Despite being general, GCNs are admittedly inferior to convolutional neural networks (CNNs) when applied to vision tasks, mainly…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Boris Knyazev , Xiao Lin , Mohamed R. Amer , Graham W. Taylor

In the last decade Convolutional Neural Networks (CNNs) have defined the state of the art for many low level image processing and restoration tasks such as denoising, demosaicking, upscaling, or inpainting. However, on-device mobile…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Bartlomiej Wronski

Global variational approximation methods in graphical models allow efficient approximate inference of complex posterior distributions by using a simpler model. The choice of the approximating model determines a tradeoff between the…

人工智能 · 计算机科学 2013-01-14 Tal El-Hay , Nir Friedman

Neural networks in the real domain have been studied for a long time and achieved promising results in many vision tasks for recent years. However, the extensions of the neural network models in other number fields and their potential…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Xuanyu Zhu , Yi Xu , Hongteng Xu , Changjian Chen

The success of various applications including robotics, digital content creation, and visualization demand a structured and abstract representation of the 3D world from limited sensor data. Inspired by the nature of human perception of 3D…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Chuhang Zou , Ersin Yumer , Jimei Yang , Duygu Ceylan , Derek Hoiem

We propose and demonstrate the use of a model-assisted generative adversarial network (GAN) to produce fake images that accurately match true images through the variation of the parameters of the model that describes the features of the…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Saúl Alonso-Monsalve , Leigh H. Whitehead

Generating natural sentences from images is a fundamental learning task for visual-semantic understanding in multimedia. In this paper, we propose to apply dual attention on pyramid image feature maps to fully explore the visual-semantic…

计算机视觉与模式识别 · 计算机科学 2021-06-11 Litao Yu , Jian Zhang , Qiang Wu

Even though image signals are typically acquired on a regular two dimensional grid, there exist many scenarios where non-regular sampling is possible. Non-regular sampling can remove aliasing. In terms of the non-regular sampling patterns,…

图像与视频处理 · 电气工程与系统科学 2022-03-02 Simon Grosche , Jürgen Seiler , André Kaup

Fourier ptychography (FP) is a newly developed computational imaging approach that achieves both high resolution and wide field of view by stitching a series of low-resolution images captured under angle-varied illumination. So far, many…

图像与视频处理 · 电气工程与系统科学 2019-09-20 Yongbing Zhang , Yangzhe Liu , Xiu Li , Shaowei Jiang , Krishna Dixit , Xinfeng Zhang , Xiangyang Ji

Convolutional neural networks (CNNs) tend to become a standard approach to solve a wide array of computer vision problems. Besides important theoretical and practical advances in their design, their success is built on the existence of…

计算机视觉与模式识别 · 计算机科学 2015-12-08 Adrian Popescu , Etienne Gadeski , Hervé Le Borgne

Unsupervised image segmentation is an important task in many real-world scenarios where labelled data is of scarce availability. In this paper we propose a novel approach that harnesses recent advances in unsupervised learning using a…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Moshe Eliasof , Nir Ben Zikri , Eran Treister

Modeling and generating graphs is fundamental for studying networks in biology, engineering, and social sciences. However, modeling complex distributions over graphs and then efficiently sampling from these distributions is challenging due…

机器学习 · 计算机科学 2018-06-26 Jiaxuan You , Rex Ying , Xiang Ren , William L. Hamilton , Jure Leskovec

In this paper, we study the problem of generating a set ofrealistic and diverse backgrounds when given only a smallforeground region. We refer to this task as image outpaint-ing. The technical challenge of this task is to synthesize notonly…

计算机视觉与模式识别 · 计算机科学 2019-10-28 Lingzhi Zhang , Jiancong Wang , Jianbo Shi

We extend and improve the work of Model Agnostic Anchors for explanations on image classification through the use of generative adversarial networks (GANs). Using GANs, we generate samples from a more realistic perturbation distribution, by…

机器学习 · 统计学 2019-06-04 Kurtis Evan David , Harrison Keane , Jun Min Noh

Conditional diffusion probabilistic models can model the distribution of natural images and can generate diverse and realistic samples based on given conditions. However, oftentimes their results can be unrealistic with observable color…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Kangfu Mei , Nithin Gopalakrishnan Nair , Vishal M. Patel

Maintaining natural image statistics is a crucial factor in restoration and generation of realistic looking images. When training CNNs, photorealism is usually attempted by adversarial training (GAN), that pushes the output images to lie on…

计算机视觉与模式识别 · 计算机科学 2018-07-19 Roey Mechrez , Itamar Talmi , Firas Shama , Lihi Zelnik-Manor

Deep Convolutional Neural Networks (CNNs) for image classification successively alternate convolutions and downsampling operations, such as pooling layers or strided convolutions, resulting in lower resolution features the deeper the…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Ioannis Vezakis , Antonios Vezakis , Sofia Gourtsoyianni , Vassilis Koutoulidis , George K. Matsopoulos , Dimitrios Koutsouris

We present a novel method for the upright adjustment of 360 images. Our network consists of two modules, which are a convolutional neural network (CNN) and a graph convolutional network (GCN). The input 360 images is processed with the CNN…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Raehyuk Jung , Sungmin Cho , Junseok Kwon

Variational inference transforms posterior inference into parametric optimization thereby enabling the use of latent variable models where otherwise impractical. However, variational inference can be finicky when different variational…

机器学习 · 计算机科学 2019-12-03 Da Tang , Rajesh Ranganath

Generating graph structures is a challenging problem due to the diverse representations and complex dependencies among nodes. In this paper, we introduce Graph Variational Recurrent Neural Network (GraphVRNN), a probabilistic autoregressive…

机器学习 · 计算机科学 2019-10-07 Shih-Yang Su , Hossein Hajimirsadeghi , Greg Mori