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Given a grayscale photograph as input, this paper attacks the problem of hallucinating a plausible color version of the photograph. This problem is clearly underconstrained, so previous approaches have either relied on significant user…

计算机视觉与模式识别 · 计算机科学 2016-10-06 Richard Zhang , Phillip Isola , Alexei A. Efros

Target detection systems identify targets by localizing their coordinates on the input image of interest. This is ideally achieved by labeling each pixel in an image as a background or a potential target pixel. Deep Convolutional Neural…

人工智能 · 计算机科学 2021-08-31 Uche M. Osahor , Nasser M. Nasrabadi

In this paper, detection of deception attack on deep neural network (DNN) based image classification in autonomous and cyber-physical systems is considered. Several studies have shown the vulnerability of DNN to malicious deception attacks.…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Darpan Kumar Yadav , Kartik Mundra , Rahul Modpur , Arpan Chattopadhyay , Indra Narayan Kar

In Computer Vision, colour-based spatial techniquesoften assume a static skin colour model. However, skin colour perceived by a camera can change when lighting changes. In common real environment multiple light sources impinge on the skin.…

计算机视觉与模式识别 · 计算机科学 2013-04-18 Ankit Chaudhary , Ankur Gupta

Object detection can localize and identify objects in images, and it is extensively employed in critical multimedia applications such as security surveillance and autonomous driving. Despite the success of existing object detection models,…

密码学与安全 · 计算机科学 2024-07-24 Youqian Zhang , Chunxi Yang , Eugene Y. Fu , Qinhong Jiang , Chen Yan , Sze-Yiu Chau , Grace Ngai , Hong-Va Leong , Xiapu Luo , Wenyuan Xu

A central problem in hyperspectral image classification is obtaining high classification accuracy when using a limited amount of labelled data. In this paper we present a novel graph-based framework, which aims to tackle this problem in the…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Philip Sellars , Angelica Aviles-Rivero , Carola-Bibiane Schönlieb

Single-pixel cameras are an effective solution for imaging outside the visible spectrum, where traditional CMOS/CCD cameras have challenges. When combined with machine learning, they can analyze images quickly enough for practical…

量子物理 · 物理学 2026-02-25 Sofya Manko , Dmitry Frolovtsev

Deep learning has become an extremely effective tool for image classification and image restoration problems. Here, we apply deep learning to microscopy, and demonstrate how neural networks can exploit the chromatic dependence of the…

光学 · 物理学 2018-07-05 Eran Hershko* , Lucien E. Weiss* , Tomer Michaeli , Yoav Shechtman

The vulnerability of deep neural networks to adversarial attacks has been widely demonstrated (e.g., adversarial example attacks). Traditional attacks perform unstructured pixel-wise perturbation to fool the classifier. An alternative…

机器学习 · 计算机科学 2022-05-23 Shuo Wang , Surya Nepal , Carsten Rudolph , Marthie Grobler , Shangyu Chen , Tianle Chen

One issue with computer based histopathology image analysis is that the size of the raw image is usually very large. Taking the raw image as input to the deep learning model would be computationally expensive while resizing the raw image to…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Bolei Xu , Jingxin Liu , Xianxu Hou , Bozhi Liu , Jon Garibaldi , Ian O. Ellis , Andy Green , Linlin Shen , Guoping Qiu

Despite the great success of deep neural networks, the adversarial attack can cheat some well-trained classifiers by small permutations. In this paper, we propose another type of adversarial attack that can cheat classifiers by significant…

机器学习 · 计算机科学 2019-07-23 Sanli Tang , Xiaolin Huang , Mingjian Chen , Chengjin Sun , Jie Yang

It is now possible to synthesize highly realistic images of people who don't exist. Such content has, for example, been implicated in the creation of fraudulent social-media profiles responsible for dis-information campaigns. Significant…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Nicholas Carlini , Hany Farid

Spectral-spatial classification of hyperspectral images has been the subject of many studies in recent years. In the presence of only very few labeled pixels, this task becomes challenging. In this paper we address the following two…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Jacopo Acquarelli , Elena Marchiori , Lutgarde M. C. Buydens , Thanh Tran , Twan van Laarhoven

This research recasts the network attack dataset from UNSW-NB15 as an intrusion detection problem in image space. Using one-hot-encodings, the resulting grayscale thumbnails provide a quarter-million examples for deep learning algorithms.…

密码学与安全 · 计算机科学 2021-03-16 David A. Noever , Samantha E. Miller Noever

Deep models have been widely and successfully used in image manipulation detection, which aims to classify tampered images and localize tampered regions. Most existing methods mainly focus on extracting global features from tampered images,…

计算机视觉与模式识别 · 计算机科学 2023-02-23 Yuyuan Zeng , Bowen Zhao , Shanzhao Qiu , Tao Dai , Shu-Tao Xia

Backdoor attack aims to compromise a model, which returns an adversary-wanted output when a specific trigger pattern appears yet behaves normally for clean inputs. Current backdoor attacks require changing pixels of clean images, which…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Yusheng Guo , Nan Zhong , Zhenxing Qian , Xinpeng Zhang

Regarding image forensics, researchers have proposed various approaches to detect and/or localize manipulations, such as splices. Recent best performing image-forensics algorithms greatly benefit from the application of deep learning, but…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Andras Rozsa , Zheng Zhong , Terrance E. Boult

We present a method for projecting an input image into the space of a class-conditional generative neural network. We propose a method that optimizes for transformation to counteract the model biases in generative neural networks.…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Minyoung Huh , Richard Zhang , Jun-Yan Zhu , Sylvain Paris , Aaron Hertzmann

The stunning progress in face manipulation methods has made it possible to synthesize realistic fake face images, which poses potential threats to our society. It is urgent to have face forensics techniques to distinguish those tampered…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Jia Li , Tong Shen , Wei Zhang , Hui Ren , Dan Zeng , Tao Mei

Color and structure are the two pillars that construct an image. Usually, the structure is well expressed through a rich spectrum of colors, allowing objects in an image to be recognized by neural networks. However, under extreme…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Yunzhong Hou , Liang Zheng , Stephen Gould