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The vulnerability of deep neural networks to adversarial examples, which are crafted maliciously by modifying the inputs with imperceptible perturbations to misled the network produce incorrect outputs, reveals the lack of robustness and…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Lina Wang , Xingshu Chen , Yulong Wang , Yawei Yue , Yi Zhu , Xuemei Zeng , Wei Wang

Generative Adversarial Networks (GANs) have recently demonstrated to successfully approximate complex data distributions. A relevant extension of this model is conditional GANs (cGANs), where the introduction of external information allows…

计算机视觉与模式识别 · 计算机科学 2016-11-22 Guim Perarnau , Joost van de Weijer , Bogdan Raducanu , Jose M. Álvarez

Recovering badly damaged face images is a useful yet challenging task, especially in extreme cases where the masked or damaged region is very large. One of the major challenges is the ability of the system to generalize on faces outside the…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Nilesh Pandey , Andreas Savakis

In this research, we focus on the usage of adversarial sampling to test for the fairness in the prediction of deep neural network model across different classes of image in a given dataset. While several framework had been proposed to…

机器学习 · 计算机科学 2023-03-07 Tosin Ige , William Marfo , Justin Tonkinson , Sikiru Adewale , Bolanle Hafiz Matti

This paper shows the susceptibility of spectrogram-based audio classifiers to adversarial attacks and the transferability of such attacks to audio waveforms. Some commonly used adversarial attacks to images have been applied to…

Hyperspectral images enable precise identification of ground objects by capturing their spectral signatures with fine spectral resolution.While high spatial resolution further enhances this capability, increasing spatial resolution through…

图像与视频处理 · 电气工程与系统科学 2024-10-25 Ankur Garg , Meenakshi Sarkar , S. Manthira Moorthi , Debajyoti Dhar

We present surface normal estimation using a single near infrared (NIR) image. We are focusing on fine-scale surface geometry captured with an uncalibrated light source. To tackle this ill-posed problem, we adopt a generative adversarial…

计算机视觉与模式识别 · 计算机科学 2016-03-25 Youngjin Yoon , Gyeongmin Choe , Namil Kim , Joon-Young Lee , In So Kweon

For screening, 3D shape of the eye retina often provides structural information and can assist ophthalmologists to diagnose diseases. However, fundus images which are one the most common screening modalities for retina diagnosis lack this…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Peyman Tahghighi , Reza A. Zoroofi , Sare Safi , Alireza Ramezani

What spatial frequency information do humans and neural networks use to recognize objects? In neuroscience, critical band masking is an established tool that can reveal the frequency-selective filters used for object recognition. Critical…

机器学习 · 计算机科学 2023-11-07 Ajay Subramanian , Elena Sizikova , Najib J. Majaj , Denis G. Pelli

This study deals with semantic segmentation of high-resolution (aerial) images where a semantic class label is assigned to each pixel via supervised classification as a basis for automatic map generation. Recently, deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Pascal Kaiser , Jan Dirk Wegner , Aurelien Lucchi , Martin Jaggi , Thomas Hofmann , Konrad Schindler

The Conditional Random Field as a Recurrent Neural Network layer is a recently proposed algorithm meant to be placed on top of an existing Fully-Convolutional Neural Network to improve the quality of semantic segmentation. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Miguel Monteiro , Mário A. T. Figueiredo , Arlindo L. Oliveira

We describe a strategy for constructing a neural network jet substructure tagger which powerfully discriminates boosted decay signals while remaining largely uncorrelated with the jet mass. This reduces the impact of systematic…

高能物理 - 实验 · 物理学 2017-11-08 Chase Shimmin , Peter Sadowski , Pierre Baldi , Edison Weik , Daniel Whiteson , Edward Goul , Andreas Søgaard

Generative adversarial networks are the state of the art approach towards learned synthetic image generation. Although early successes were mostly unsupervised, bit by bit, this trend has been superseded by approaches based on labelled…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Ricard Durall , Kalun Ho , Franz-Josef Pfreundt , Janis Keuper

We present a novel convolutional neural network architecture for photometric stereo (Woodham, 1980), a problem of recovering 3D object surface normals from multiple images observed under varying illuminations. Despite its long history in…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Tatsunori Taniai , Takanori Maehara

The goal of this work is to improve images of traffic scenes that are degraded by natural causes such as fog, rain and limited visibility during the night. For these applications, it is next to impossible to get pixel perfect pairs of the…

计算机视觉与模式识别 · 计算机科学 2018-12-10 Elias Vansteenkiste , Patrick Kern

One of the primary sources of suboptimal image quality in ultrasound imaging is phase aberration. It is caused by spatial changes in sound speed over a heterogeneous medium, which disturbs the transmitted waves and prevents coherent…

图像与视频处理 · 电气工程与系统科学 2024-07-03 Mostafa Sharifzadeh , Sobhan Goudarzi , An Tang , Habib Benali , Hassan Rivaz

Advancements in deep generative models such as generative adversarial networks and variational autoencoders have resulted in the ability to generate realistic images that are visually indistinguishable from real images, which raises…

图像与视频处理 · 电气工程与系统科学 2021-02-16 Tarik Dzanic , Karan Shah , Freddie Witherden

Adversarial images are samples that are intentionally modified to deceive machine learning systems. They are widely used in applications such as CAPTHAs to help distinguish legitimate human users from bots. However, the noise introduced…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Bilgin Aksoy , Alptekin Temizel

This paper investigates conditional generative adversarial networks (cGANs) to overcome a fundamental limitation of using geotagged media for geographic discovery, namely its sparse and uneven spatial distribution. We train a cGAN to…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Xueqing Deng , Yi Zhu , Shawn Newsam

Deep learning-based hyperspectral image super-resolution (SR) methods have achieved great success recently. However, most existing models can not effectively explore spatial information and spectral information between bands simultaneously,…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Qi Wang , Qiang Li , Xuelong Li