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A novel method of contrast enhancement is proposed for underexposed images, in which heavy noise is hidden. Under low light conditions, images taken by digital cameras have low contrast in dark or bright regions. This is due to a limited…

多媒体 · 计算机科学 2019-04-26 Chien-Cheng Chien , Yuma Kinoshita , Hitoshi Kiya

We recently introduced the dynamical cluster approximation(DCA), a new technique that includes short-ranged dynamical correlations in addition to the local dynamics of the dynamical mean field approximation while preserving causality. The…

强关联电子 · 物理学 2009-10-31 M. H. Hettler , M. Mukherjee , M. Jarrell , H. R. Krishnamurthy

In the real-life environments, due to the sudden appearance of windows, lights, and objects blocking the light source, the visual SLAM system can easily capture the low-contrast images caused by over-exposure or over-darkness. At this time,…

机器人学 · 计算机科学 2019-02-12 Yinghong Fang , Guangcun Shan , Xin Li , Wenliang Liu , Tian Wang , Hichem Snoussi

This work introduces reduced models based on Continuous Low Rank Adaptation (CoLoRA) that pre-train neural networks for a given partial differential equation and then continuously adapt low-rank weights in time to rapidly predict the…

机器学习 · 计算机科学 2024-07-23 Jules Berman , Benjamin Peherstorfer

Laser Doppler holography (LDH) is an interferometric blood flow imaging technique based on full-field measurements of the Doppler spectrum. LDH has so far been demonstrated in the retina with ultrafast cameras, typically at 75 kHz. We show…

图像与视频处理 · 电气工程与系统科学 2020-08-26 Leo Puyo , Michel Paques , Michael Atlan

Ultra high resolution (UHR) images are almost always downsampled to fit small displays of mobile end devices and upsampled to its original resolution when exhibited on very high-resolution displays. This observation motivates us on jointly…

图像与视频处理 · 电气工程与系统科学 2023-02-14 Xi Zhang , Xiaolin Wu

Learning self-supervised representations using reconstruction or contrastive losses improves performance and sample complexity of image-based and multimodal reinforcement learning (RL). Here, different self-supervised loss functions have…

机器学习 · 计算机科学 2024-06-27 Philipp Becker , Sebastian Mossburger , Fabian Otto , Gerhard Neumann

The prime goal of digital imaging techniques is to reproduce the realistic appearance of a scene. Low Dynamic Range (LDR) cameras are incapable of representing the wide dynamic range of the real-world scene. The captured images turn out to…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Prarabdh Raipurkar , Rohil Pal , Shanmuganathan Raman

Personalized image generation requires effectively balancing content fidelity with stylistic consistency when synthesizing images based on text and reference examples. Low-Rank Adaptation (LoRA) offers an efficient personalization approach,…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Yu Li , Yujun Cai , Chi Zhang

Timely identification and treatment of rapidly progressing skin cancers can significantly contribute to the preservation of patients' health and well-being. Dermoscopy, a dependable and accessible tool, plays a pivotal role in the initial…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Amir Hamza , Badis Lekouaghet , Yassine Himeur

Recent High Dynamic Range (HDR) techniques extend the capabilities of current cameras where scenes with a wide range of illumination can not be accurately captured with a single low-dynamic-range (LDR) image. This is generally accomplished…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Michal Nazarczuk , Sibi Catley-Chandar , Ales Leonardis , Eduardo Pérez-Pellitero

Solid state material at high pressure is prevalent throughout the Universe, and an understanding of the structure of matter under such extreme conditions, gleaned from x-ray diffraction, has been pursued for the best part of a century. The…

其他凝聚态物理 · 物理学 2022-09-14 Justin S. Wark , Malcolm I. McMahon , Jon H. Eggert

Snapshot HDR imaging is essential to capture the full dynamic range of a scene in a single exposure, making it essential for video and dynamic environments where motion prevents the use of multi-exposure techniques or complex hardware…

图像与视频处理 · 电气工程与系统科学 2026-03-06 Teresa Stürzenhofäcker , Moritz Klimm , Jürgen Seiler , André Kaup

Learned hierarchical B-frame coding aims to leverage bi-directional reference frames for better coding efficiency. However, the domain shift between training and test scenarios due to dataset limitations poses a challenge. This issue arises…

图像与视频处理 · 电气工程与系统科学 2024-02-21 Zong-Lin Gao , Sang NguyenQuang , Wen-Hsiao Peng , Xiem HoangVan

Achieving fast cooling of motional modes is a prerequisite for leveraging such bosonic quanta for high-speed quantum information processing. In this work, we address the aspect of reducing the time limit for cooling below that constrained…

量子物理 · 物理学 2024-01-01 Bijita Sarma , Sangkha Borah , A Kani , Jason Twamley

Dynamic Range Compression (DRC) is a widely used audio effect that adjusts signal dynamics for applications in music production, broadcasting, and speech processing. Inverting DRC is of broad importance for restoring the original dynamics,…

声音 · 计算机科学 2025-09-11 Haoran Sun , Dominique Fourer , Hichem Maaref

Reduced-rank linear discriminant analysis (RRLDA) is a foundational method of dimension reduction for classification that has been useful in a wide range of applications. The goal is to identify an optimal subspace to project the…

统计计算 · 统计学 2026-02-12 Jocelyn T. Chi

Hearing aids use dynamic range compression (DRC), a form of automatic gain control, to make quiet sounds louder and loud sounds quieter. Compression can improve listening comfort, but it can also cause distortion in noisy environments. It…

音频与语音处理 · 电气工程与系统科学 2021-07-28 Ryan M. Corey , Andrew C. Singer

Object detection precision is crucial for ensuring the safety and efficacy of autonomous driving systems. The quality of acquired images directly influences the ability of autonomous driving systems to correctly recognize and respond to…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Kebin Contreras , Brayan Monroy , Jorge Bacca

Appearance-based gaze estimation, aiming to predict accurate 3D gaze direction from a single facial image, has made promising progress in recent years. However, most methods suffer significant performance degradation in cross-domain…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Qida Tan , Hongyu Yang , Wenchao Du