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Seeing-in-the-dark is one of the most important and challenging computer vision tasks due to its wide applications and extreme complexities of in-the-wild scenarios. Existing arts can be mainly divided into two threads: 1) RGB-dependent…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Muyao Niu , Zhuoxiao Li , Zhihang Zhong , Yinqiang Zheng

This paper presents a novel Two-Stage Diffusion Model (TS-Diff) for enhancing extremely low-light RAW images. In the pre-training stage, TS-Diff synthesizes noisy images by constructing multiple virtual cameras based on a noise space.…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Yi Li , Zhiyuan Zhang , Jiangnan Xia , Jianghan Cheng , Qilong Wu , Junwei Li , Yibin Tian , Hui Kong

Real camera footage is subject to noise, motion blur (MB) and depth of field (DoF). In some applications these might be considered distortions to be removed, but in others it is important to model them because it would be ineffective, or…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Siddhant Prakash , David R. Walton , Rafael K. dos Anjos , Anthony Steed , Tobias Ritschel

Recently, deep neural networks have achieved excellent performance on low-light raw video enhancement. However, they often come with high computational complexity and large memory costs, which hinder their applications on resource-limited…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Gengchen Zhang , Yulun Zhang , Xin Yuan , Ying Fu

Video reconstruction from a single motion-blurred image is a challenging problem, which can enhance the capabilities of existing cameras. Recently, several works addressed this task using conventional imaging and deep learning. Yet, such…

图像与视频处理 · 电气工程与系统科学 2022-12-20 Erez Yosef , Shay Elmalem , Raja Giryes

This project aims to develop a robust video surveillance system, which can segment videos into smaller clips based on the detection of activities. It uses CCTV footage, for example, to record only major events-like the appearance of a…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Shahran Rahman Alve

Complete and textured 3D reconstruction of dynamic scenes has been facilitated by mapped RGB and depth information acquired by RGB-D cameras based multi-view systems. One of the most critical steps in such multi-view systems is to determine…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Hassan Afzal , Djamila Aouada , Michel Antunes , David Fofi , Bruno Mirbach , Björn Ottersten

Spatial multiplexing cameras (SMCs) acquire a (typically static) scene through a series of coded projections using a spatial light modulator (e.g., a digital micro-mirror device) and a few optical sensors. This approach finds use in imaging…

计算机视觉与模式识别 · 计算机科学 2015-08-06 Aswin C. Sankaranarayanan , Lina Xu , Christoph Studer , Yun Li , Kevin Kelly , Richard G. Baraniuk

Images captured in the low-light condition suffer from low visibility and various imaging artifacts, e.g., real noise. Existing supervised enlightening algorithms require a large set of pixel-aligned training image pairs, which are hard to…

图像与视频处理 · 电气工程与系统科学 2022-07-11 Lanqing Guo , Renjie Wan , Wenhan Yang , Alex Kot , Bihan Wen

Non-Contact sensing is an emerging technology with applications across many industries from driver monitoring in vehicles to patient monitoring in healthcare. Current state-of-the-art implementations focus on RGB video, but this struggles…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Timothy Hanley , Dara Golden , Robyn Maxwell , Ashkan Parsi , Joseph Lemley

Modern digital cameras rely on the sequential execution of separate image processing steps to produce realistic images. The first two steps are usually related to denoising and demosaicking where the former aims to reduce noise from the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Filippos Kokkinos , Stamatios Lefkimmiatis

In low-light conditions, capturing videos with frame-based cameras often requires long exposure times, resulting in motion blur and reduced visibility. While frame-based motion deblurring and low-light enhancement have been studied, they…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Taewoo Kim , Jaeseok Jeong , Hoonhee Cho , Yuhwan Jeong , Kuk-Jin Yoon

High-spatio-temporal resolution (HSTR) video recording plays a crucial role in enhancing various imagery tasks that require fine-detailed information. State-of-the-art cameras provide this required high frame-rate and high spatial…

计算机视觉与模式识别 · 计算机科学 2024-09-09 H. Umut Suluhan , Abdullah Enes Doruk , Hasan F. Ates , Bahadir K. Gunturk

High-quality video generation is crucial for many fields, including the film industry and autonomous driving. However, generating videos with spatiotemporal consistencies remains challenging. Current methods typically utilize attention…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Haotian Dong , Xin Wang , Di Lin , Yipeng Wu , Qin Chen , Ruonan Liu , Kairui Yang , Ping Li , Qing Guo

The vast work in Deep Learning (DL) has led to a leap in image denoising research. Most DL solutions for this task have chosen to put their efforts on the denoiser's architecture while maximizing distortion performance. However, distortion…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Guy Ohayon , Theo Adrai , Gregory Vaksman , Michael Elad , Peyman Milanfar

In this work, an approach based on a data-driven paradigm to denoise and mosaic acoustic camera images is proposed. Acoustic cameras, also known as 2D forward-looking sonar, could collect high-resolution acoustic images in dark and turbid…

图像与视频处理 · 电气工程与系统科学 2025-02-21 Xiaoteng Zhou , Yilong Zhang , Katsunori Mizuno , Kenichiro Tsutsumi , Hideki Sugimoto

Three-dimensional imaging plays an important role in imaging applications where it is necessary to record depth. The number of applications that use depth imaging is increasing rapidly, and examples include self-driving autonomous vehicles…

图像与视频处理 · 电气工程与系统科学 2021-04-21 Alice Ruget , Stephen McLaughlin , Robert K. Henderson , Istvan Gyongy , Abderrahim Halimi , Jonathan Leach

Image frames obtained in darkness are special. Just multiplying by a constant doesn't restore the image. Shot noise, quantization effects and camera non-linearities mean that colors and relative light levels are estimated poorly. Current…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Sara Aghajanzadeh , David Forsyth

We introduce a cutting-edge video compression framework tailored for the age of ubiquitous video data, uniquely designed to serve machine learning applications. Unlike traditional compression methods that prioritize human visual perception,…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Huan Cui , Qing Li , Hanling Wang , Yong jiang

Dual-panel displays require local dimming algorithms in order to reproduce content with high fidelity and high dynamic range. In this work, a novel deep learning based local dimming method is proposed for rendering HDR images on dual-panel…

图像与视频处理 · 电气工程与系统科学 2020-08-20 Lvyin Duan , Demetris Marnerides , Alan Chalmers , Zhichun Lei , Kurt Debattista