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Self-supervised learning has been widely used to obtain transferrable representations from unlabeled images. Especially, recent contrastive learning methods have shown impressive performances on downstream image classification tasks. While…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Byungseok Roh , Wuhyun Shin , Ildoo Kim , Sungwoong Kim

In this paper, we give an overview of a recently developed method for dynamic domain adaptation, named DIRA, which relies on a few samples in addition to a regularisation approach, named elastic weight consolidation, to achieve…

Machine Learning · Computer Science 2024-01-04 Abanoub Ghobrial , Kerstin Eder

Recent advancements in keypoint detection and descriptor extraction have shown impressive performance in local feature learning tasks. However, existing methods generally exhibit suboptimal performance under extreme conditions such as…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Jingtai He , Gehao Zhang , Tingting Liu , Songlin Du

High dynamic range (HDR) imagery offers a rich and faithful representation of scene radiance, but remains challenging for generative models due to its mismatch with the bounded, perceptually compressed data on which these models are…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Naomi Ken Korem , Mohamed Oumoumad , Harel Cain , Matan Ben Yosef , Urska Jelercic , Ofir Bibi , Yaron Inger , Or Patashnik , Daniel Cohen-Or

The initial radial density profiles of dark matter halos are laid down by gravitational collapse in hierarchical structure formation scenarios and are subject to further compression as baryons cool and settle to the halo centers. We here…

Astrophysics · Physics 2009-11-13 J. A. Sellwood , Stacy S. McGaugh

The stability of visual odometry (VO) systems is undermined by degraded image quality, especially in environments with significant illumination changes. This study employs a deep reinforcement learning (DRL) framework to train agents for…

Robotics · Computer Science 2024-12-24 Shuyang Zhang , Jinhao He , Yilong Zhu , Jin Wu , Jie Yuan

Contrast enhancement is an important preprocessing technique for improving the performance of downstream tasks in image processing and computer vision. Among the existing approaches based on nonlinear histogram transformations, contrast…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Vincent Stimper , Stefan Bauer , Ralph Ernstorfer , Bernhard Schölkopf , R. Patrick Xian

In this paper, we will present p roposed enhance process of image compression by using RLE algorithm. This proposed yield to decrease the size of compressing image, but the original method used primarily for compressing a binary images…

Multimedia · Computer Science 2018-04-03 Ali H. Husseen Al-nuaimi , Shyamaa Shakir Al-juboori , R. J. Mohammed

Most novel view synthesis methods -- including Neural Radiance Fields (NeRF) -- struggle to capture the high dynamic range (HDR) radiance required for realistic image-based lighting (IBL). This limitation stems from a reliance on low…

Detecting changes in high-dimensional vectors presents significant challenges, especially when the post-change distribution is unknown and time-varying. This paper introduces a novel robust algorithm for correlation change detection in…

Methodology · Statistics 2024-10-07 Assma Alghamdi , Taposh Banerjee , Jayant Rajgopal

Predicting the neural response to natural images in the visual cortex requires extracting relevant features from the images and relating those feature to the observed responses. In this work, we optimize the feature extraction in order to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Alex Mulrooney , Austin J. Brockmeier

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

Modern camera pipelines apply extensive on-device processing, such as exposure adjustment, white balance, and color correction, which, while beneficial individually, often introduce photometric inconsistencies across views. These appearance…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Jisu Shin , Richard Shaw , Seunghyun Shin , Zhensong Zhang , Hae-Gon Jeon , Eduardo Perez-Pellitero

Recent advances in text-to-image customization have enabled high-fidelity, context-rich generation of personalized images, allowing specific concepts to appear in a variety of scenarios. However, current methods struggle with combining…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Enis Simsar , Thomas Hofmann , Federico Tombari , Pinar Yanardag

We address rotation averaging (RA) and its application to real-world 3D reconstruction. Local optimisation based approaches are the de facto choice, though they only guarantee a local optimum. Global optimisers ensure global optimality in…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Yu Chen , Ji Zhao , Laurent Kneip

The ability to image high-dynamic-range (HDR) scenes is crucial in many computer vision applications. The dynamic range of conventional sensors, however, is fundamentally limited by their well capacity, resulting in saturation of bright…

Image and Video Processing · Electrical Eng. & Systems 2022-04-22 Haley M. So , Julien N. P. Martel , Piotr Dudek , Gordon Wetzstein

In this paper, we propose a novel deep neural network model that reconstructs a high dynamic range (HDR) image from a single low dynamic range (LDR) image. The proposed model is based on a convolutional neural network composed of dilated…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Siyeong Lee , Gwon Hwan An , Suk-Ju Kang

Recently, pre-trained model and efficient parameter tuning have achieved remarkable success in natural language processing and high-level computer vision with the aid of masked modeling and prompt tuning. In low-level computer vision,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Donwon Park , Hayeon Kim , Se Young Chun

Digital camera and mobile document image acquisition are new trends arising in the world of Optical Character Recognition and text detection. In some cases, such process integrates many distortions and produces poorly scanned text or…

Computer Vision and Pattern Recognition · Computer Science 2015-09-14 Abdeslam El Harraj , Naoufal Raissouni

Deep neural networks are able to learn powerful representations from large quantities of labeled input data, however they cannot always generalize well across changes in input distributions. Domain adaptation algorithms have been proposed…

Computer Vision and Pattern Recognition · Computer Science 2016-07-07 Baochen Sun , Kate Saenko