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The calculus of variations applied to the image processing requires some numerical models able to perform the variations of images and the extremization of appropriate actions. To produce the variations of images, there are several…

Computer Vision and Pattern Recognition · Computer Science 2012-01-18 Amelia Carolina Sparavigna

Deep Learning models are incredibly data-hungry and require very large labeled datasets for supervised learning. As a consequence, these models often suffer from overfitting, limiting their ability to generalize to real-world examples.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Sahiti Yerramilli , Jayant Sravan Tamarapalli , Tanmay Girish Kulkarni , Jonathan Francis , Eric Nyberg

High dynamic range (HDR) imaging is of fundamental importance in modern digital photography pipelines and used to produce a high-quality photograph with well exposed regions despite varying illumination across the image. This is typically…

Image and Video Processing · Electrical Eng. & Systems 2024-07-24 Sibi Catley-Chandar , Thomas Tanay , Lucas Vandroux , Aleš Leonardis , Gregory Slabaugh , Eduardo Pérez-Pellitero

We present a learning-based technique for estimating high dynamic range (HDR), omnidirectional illumination from a single low dynamic range (LDR) portrait image captured under arbitrary indoor or outdoor lighting conditions. We train our…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Chloe LeGendre , Wan-Chun Ma , Rohit Pandey , Sean Fanello , Christoph Rhemann , Jason Dourgarian , Jay Busch , Paul Debevec

In this paper, we investigate the problem of learning disentangled representations. Given a pair of images sharing some attributes, we aim to create a low-dimensional representation which is split into two parts: a shared representation…

Machine Learning · Statistics 2019-12-10 Eduardo Hugo Sanchez , Mathieu Serrurier , Mathias Ortner

Image generation abilities of text-to-image diffusion models have significantly advanced, yielding highly photo-realistic images from descriptive text and increasing the viability of leveraging synthetic images to train computer vision…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Jiahui Chen , Amy Zhang , Adriana Romero-Soriano

High dynamic range (HDR) rendering has the ability to faithfully reproduce the wide luminance ranges in natural scenes, but how to accurately assess the rendering quality is relatively underexplored. Existing quality models are mostly…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Peibei Cao , Rafal K. Mantiuk , Kede Ma

The low dynamic range (LDR) of common cameras fails to capture the rich contrast in natural scenes, resulting in loss of color and details in saturated pixels. Reconstructing the high dynamic range (HDR) of luminance present in the scene…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sebastian Dille , Chris Careaga , Yağız Aksoy

Image-to-image translation aims to learn the mapping between two visual domains. There are two main challenges for this task: 1) lack of aligned training pairs and 2) multiple possible outputs from a single input image. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Hsin-Ying Lee , Hung-Yu Tseng , Qi Mao , Jia-Bin Huang , Yu-Ding Lu , Maneesh Singh , Ming-Hsuan Yang

The image relighting task of transferring illumination conditions between two images offers an interesting and difficult challenge with potential applications in photography, cinematography and computer graphics. In this report we present…

Computer Vision and Pattern Recognition · Computer Science 2020-06-04 Alexandre Pierre Dherse , Martin Nicolas Everaert , Jakub Jan Gwizdała

This paper presents an algorithm that enhances undesirably illuminated images by generating and fusing multi-level illuminations from a single image.The input image is first decomposed into illumination and reflectance components by using…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Jae Sung Park , Nam Ik Cho

Recent advancements in image restoration increasingly employ conditional latent diffusion models (CLDMs). While these models have demonstrated notable performance improvements in recent years, this work questions their suitability for IR…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Yunchen Yuan , Junyuan Xiao , Xinjie Li

We propose an approach to self-supervised representation learning based on maximizing mutual information between features extracted from multiple views of a shared context. For example, one could produce multiple views of a local…

Machine Learning · Computer Science 2019-07-09 Philip Bachman , R Devon Hjelm , William Buchwalter

Although data augmentation is a powerful technique for improving the performance of image classification tasks, it is difficult to identify the best augmentation policy. The optimal augmentation policy, which is the latent variable, cannot…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Koichi Kuriyama

Dashboard cameras capture a tremendous amount of driving scene video each day. These videos are purposefully coupled with vehicle sensing data, such as from the speedometer and inertial sensors, providing an additional sensing modality for…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Seokju Lee , Junsik Kim , Tae-Hyun Oh , Yongseop Jeong , Donggeun Yoo , Stephen Lin , In So Kweon

Performance on benchmark datasets has drastically improved with advances in deep learning. Still, cross-dataset generalization performance remains relatively low due to the domain shift that can occur between two different datasets. This…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Alexandra Carlson , Katherine A. Skinner , Ram Vasudevan , Matthew Johnson-Roberson

In this paper, we propose a novel image set representation and classification method by maximizing the margin of image sets. The margin of an image set is defined as the difference of the distance to its nearest image set from different…

Computer Vision and Pattern Recognition · Computer Science 2014-04-23 Jim Jing-Yan Wang , Majed Alzahrani , Xin Gao

Event cameras are bio-inspired sensors that asynchronously report intensity changes in microsecond resolution. DAVIS can capture high dynamics of a scene and simultaneously output high temporal resolution events and low frame-rate intensity…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Liyuan Pan , Miaomiao Liu , Richard Hartley

Visual perception is a challenging problem in part due to illumination variations. A possible solution is to first estimate an illumination invariant representation before using it for recognition. The object albedo and surface normals are…

Computer Vision and Pattern Recognition · Computer Science 2012-07-03 Yichuan Tang , Ruslan Salakhutdinov , Geoffrey Hinton

High dynamic range (HDR) imaging is a crucial task in computational photography, which captures details across diverse lighting conditions. Traditional HDR fusion methods face limitations in dynamic scenes with extreme exposure differences,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Shi Guo , Zixuan Chen , Ziran Zhang , Yutian Chen , Gangwei Xu , Tianfan Xue