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Deep neural networks (DNNs) have made remarkable strides in various computer vision tasks, including image classification, segmentation, and object detection. However, recent research has revealed a vulnerability in advanced DNNs when faced…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Chengyin Hu , Weiwen Shi , Chao Li , Jialiang Sun , Donghua Wang , Junqi Wu , Guijian Tang

Robustness against noisy imaging is crucial for practical image anomaly detection systems. This study introduces a Robust Anomaly Detection (RAD) dataset with free views, uneven illuminations, and blurry collections to systematically…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yuqi Cheng , Yunkang Cao , Rui Chen , Weiming Shen

Despite the rapid growth in datasets for video activity, stable robust activity recognition with neural networks remains challenging. This is in large part due to the explosion of possible variation in video -- including lighting changes,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Yi Zhang , Xinyue Wei , Weichao Qiu , Zihao Xiao , Gregory D. Hager , Alan Yuille

Video analytics systems designed for deployment in outdoor conditions can be vulnerable to many environmental changes, particularly changes in shadow. Existing works have shown that shadow and its introduced distribution shift can cause…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Shengtai Ju , Amy R. Reibman

Modern deep neural networks (DNNs) are highly accurate on many recognition tasks for overhead (e.g., satellite) imagery. However, visual domain shifts (e.g., statistical changes due to geography, sensor, or atmospheric conditions) remain a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Can Yaras , Kaleb Kassaw , Bohao Huang , Kyle Bradbury , Jordan M. Malof

Low-light images suffer from severe noise and low illumination. Current deep learning models that are trained with real-world images have excellent noise reduction, but a ratio parameter must be chosen manually to complete the enhancement…

Image and Video Processing · Electrical Eng. & Systems 2020-04-23 Qingxu Fu , Xiaoguang Di , Yu Zhang

3D Gaussian Splatting (3DGS) has shown impressive results for the novel view synthesis task, where lighting is assumed to be fixed. However, creating relightable 3D assets, especially for objects with ill-defined shapes (fur, fabric, etc.),…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Jiahui Fan , Fujun Luan , Jian Yang , Miloš Hašan , Beibei Wang

Robust classification is essential in tasks like autonomous vehicle sign recognition, where the downsides of misclassification can be grave. Adversarial attacks threaten the robustness of neural network classifiers, causing them to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Andrew Wang , Wyatt Mayor , Ryan Smith , Gopal Nookula , Gregory Ditzler

Low-light hazy scenes commonly appear at dusk and early morning. The visual enhancement for low-light hazy images is an ill-posed problem. Even though numerous methods have been proposed for image dehazing and low-light enhancement…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Chaoqun Zhuang , Yunfei Liu , Sijia Wen , Feng Lu

Shadow, as a natural consequence of light interacting with objects, plays a crucial role in shaping the aesthetics of an image, which however also impairs the content visibility and overall visual quality. Recent shadow removal approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Hengxing Liu , Mingjia Li , Xiaojie Guo

Random data augmentations (RDAs) are state of the art regarding practical graph neural networks that are provably universal. There is great diversity regarding terminology, methodology, benchmarks, and evaluation metrics used among existing…

Machine Learning · Computer Science 2022-03-22 Billy Joe Franks , Markus Anders , Marius Kloft , Pascal Schweitzer

Estimating the risk level of adversarial examples is essential for safely deploying machine learning models in the real world. One popular approach for physical-world attacks is to adopt the "sticker-pasting" strategy, which however suffers…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Yiqi Zhong , Xianming Liu , Deming Zhai , Junjun Jiang , Xiangyang Ji

A core challenge in background subtraction (BGS) is handling videos with sudden illumination changes in consecutive frames. In this paper, we tackle the problem from a data point-of-view using data augmentation. Our method performs data…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Dimitrios Sakkos , Hubert P. H. Shum , Edmond S. L. Ho

Advances in high dynamic range (HDR) lighting estimation from a single image have opened new possibilities for augmented reality (AR) applications. Predicting complex lighting environments from a single input image allows for the realistic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Zitian Zhang , Joshua Urban Davis , Jeanne Phuong Anh Vu , Jiangtao Kuang , Jean-François Lalonde

Residual images and illumination estimation have been proved very helpful in image enhancement. In this paper, we propose a general and novel framework RIS-GAN which explores residual and illumination with Generative Adversarial Networks…

Image and Video Processing · Electrical Eng. & Systems 2019-12-30 Ling Zhang , Chengjiang Long , Xiaolong Zhang , Chunxia Xiao

Shadow removal is a task aimed at erasing regional shadows present in images and reinstating visually pleasing natural scenes with consistent illumination. While recent deep learning techniques have demonstrated impressive performance in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Chong Wang , Yi Yu , Lanqing Guo , Bihan Wen

Contrast enhancement and noise removal are coupled problems for low-light image enhancement. The existing Retinex based methods do not take the coupling relation into consideration, resulting in under or over-smoothing of the enhanced…

Image and Video Processing · Electrical Eng. & Systems 2019-11-27 Yang Wang , Yang Cao , Zheng-Jun Zha , Jing Zhang , Zhiwei Xiong , Wei Zhang , Feng Wu

The extremes of lighting (e.g. too much or too little light) usually cause many troubles for machine and human vision. Many recent works have mainly focused on under-exposure cases where images are often captured in low-light conditions…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Hue Nguyen , Diep Tran , Khoi Nguyen , Rang Nguyen

Learning from visual observations is a fundamental yet challenging problem in Reinforcement Learning (RL). Although algorithmic advances combined with convolutional neural networks have proved to be a recipe for success, current methods are…

Machine Learning · Computer Science 2020-11-06 Michael Laskin , Kimin Lee , Adam Stooke , Lerrel Pinto , Pieter Abbeel , Aravind Srinivas

In this paper, we introduce Random Erasing, a new data augmentation method for training the convolutional neural network (CNN). In training, Random Erasing randomly selects a rectangle region in an image and erases its pixels with random…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Zhun Zhong , Liang Zheng , Guoliang Kang , Shaozi Li , Yi Yang
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