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Robustness to out-of-distribution (OOD) samples is crucial for safely deploying machine learning models in the open world. Recent works have focused on designing scoring functions to quantify OOD uncertainty. Setting appropriate thresholds…

Machine Learning · Computer Science 2024-04-29 Harit Vishwakarma , Heguang Lin , Ramya Korlakai Vinayak

Object detection and semantic segmentation are two of the most widely adopted deep learning algorithms in agricultural applications. One of the major sources of variability in image quality acquired in the outdoors for such tasks is…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Abhisesh Silwal , Tanvir Parhar , Francisco Yandun , George Kantor

Detecting the camera model used to shoot a picture enables to solve a wide series of forensic problems, from copyright infringement to ownership attribution. For this reason, the forensic community has developed a set of camera model…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Luca Bondi , Luca Baroffio , David Güera , Paolo Bestagini , Edward J. Delp , Stefano Tubaro

In spite of the legal advances in personal data protection, the issue of private data being misused by unauthorized entities is still of utmost importance. To prevent this, Privacy by Design is often proposed as a solution for data…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Marcela Carvalho , Oussama Ennaffi , Sylvain Chateau , Samy Ait Bachir

Recent research used machine learning methods to predict a person's sexual orientation from their photograph (Wang and Kosinski, 2017). To verify this result, two of these models are replicated, one based on a deep neural network (DNN) and…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 John Leuner

Training supervised image synthesis models requires a critic to compare two images: the ground truth to the result. Yet, this basic functionality remains an open problem. A popular line of approaches uses the L1 (mean absolute error) loss,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Alex Andonian , Taesung Park , Bryan Russell , Phillip Isola , Jun-Yan Zhu , Richard Zhang

Most existing methods for CRF estimation from a single image fail to handle general real images. For instance, EdgeCRF based on colour patches extracted from edges works effectively only when the presence of noise is insignificant, which is…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Aashish Sharma , Robby T. Tan , Loong-Fah Cheong

The proliferation of images captured from millions of cameras and the advancement of facial recognition (FR) technology have made the abuse of FR a severe privacy threat. Existing works typically rely on obfuscation, synthesis, or…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Wenjun Zhu , Yuan Sun , Jiani Liu , Yushi Cheng , Xiaoyu Ji , Wenyuan Xu

Photographs taken with less-than-ideal exposure settings often display poor visual quality. Since the correction procedures vary significantly, it is difficult for a single neural network to handle all exposure problems. Moreover, the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Gehui Li , Jinyuan Liu , Long Ma , Zhiying Jiang , Xin Fan , Risheng Liu

Capturing images under extremely low-light conditions poses significant challenges for the standard camera pipeline. Images become too dark and too noisy, which makes traditional enhancement techniques almost impossible to apply. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

The quality assessment (QA) of restored low light images is an important tool for benchmarking and improving low light restoration (LLR) algorithms. While several LLR algorithms exist, the subjective perception of the restored images has…

Image and Video Processing · Electrical Eng. & Systems 2022-02-07 Vignesh Kannan , Sameer Malik , Rajiv Soundararajan

Successful forensic detectors can produce excellent results in supervised learning benchmarks but struggle to transfer to real-world applications. We believe this limitation is largely due to inadequate training data quality. While most…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Fabrizio Guillaro , Giada Zingarini , Ben Usman , Avneesh Sud , Davide Cozzolino , Luisa Verdoliva

Deep neural networks are known to be data-driven and label noise can have a marked impact on model performance. Recent studies have shown great robustness to classic image recognition even under a high noisy rate. In medical applications,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Lie Ju , Xin Wang , Lin Wang , Dwarikanath Mahapatra , Xin Zhao , Mehrtash Harandi , Tom Drummond , Tongliang Liu , Zongyuan Ge

Forensic analysis of digital photographs relies on intrinsic statistical traces introduced at the time of their acquisition or subsequent editing. Such traces are often removed by post-processing (e.g., down-sampling and re-compression…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Pawel Korus , Nasir Memon

We propose the novel framework for anomaly detection in images. Our new framework, PNUNet, is based on many normal data and few anomalous data. We assume that some noises are added to the input images and learn to remove the noise. In…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Masanari Kimura

Forensic license plate recognition (FLPR) remains an open challenge in legal contexts such as criminal investigations, where unreadable license plates (LPs) need to be deciphered from highly compressed and/or low resolution footage, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Denise Moussa , Anatol Maier , Andreas Spruck , Jürgen Seiler , Christian Riess

We consider the question of whether photon-number-resolving (PNR) detectors provide compelling evidence for the discrete nature of light; i.e., whether they indicate the prior presence of a certain number of discrete photons. To answer this…

Quantum Physics · Physics 2024-08-06 Morgan C. Williamson , Gabriel D. Ko , Brian R. La Cour

This paper considers matching images of low-light scenes, aiming to widen the frontier of SfM and visual SLAM applications. Recent image sensors can record the brightness of scenes with more than eight-bit precision, available in their…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Wenzheng Song , Masanori Suganuma , Xing Liu , Noriyuki Shimobayashi , Daisuke Maruta , Takayuki Okatani

Object detection neural network models need to perform reliably in highly dynamic and safety-critical environments like automated driving or robotics. Therefore, it is paramount to verify the robustness of the detection under unexpected…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Syed Qutub , Florian Geissler , Yang Peng , Ralf Grafe , Michael Paulitsch , Gereon Hinz , Alois Knoll

We present Intrinsic Image Diffusion, a generative model for appearance decomposition of indoor scenes. Given a single input view, we sample multiple possible material explanations represented as albedo, roughness, and metallic maps.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Peter Kocsis , Vincent Sitzmann , Matthias Nießner