中文
相关论文

相关论文: Handheld Mobile Photography in Very Low Light

200 篇论文

Imaging and perception in photon-limited scenarios is necessary for various applications, e.g., night surveillance or photography, high-speed photography, and autonomous driving. In these cases, cameras suffer from low signal-to-noise…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Bo Zhang , Yuchen Guo , Runzhao Yang , Zhihong Zhang , Jiayi Xie , Jinli Suo , Qionghai Dai

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,…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

Low-light photography produces images with low signal-to-noise ratios due to limited photons. In such conditions, common approximations like the Gaussian noise model fall short, and many denoising techniques fail to remove noise…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Liying Lu , Raphaël Achddou , Sabine Süsstrunk

The demand for compact cameras capable of recording high-speed scenes with high resolution is steadily increasing. However, achieving such capabilities often entails high bandwidth requirements, resulting in bulky, heavy systems unsuitable…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Zhihong Zhang , Runzhao Yang , Jinli Suo , Yuxiao Cheng , Qionghai Dai

Videos captured with hand-held cameras often suffer from a significant amount of blur, mainly caused by the inevitable natural tremor of the photographer's hand. In this work, we present an algorithm that removes blur due to camera shake by…

计算机视觉与模式识别 · 计算机科学 2015-12-08 Mauricio Delbracio , Guillermo Sapiro

Thermal light sources exhibiting photon bunching have been suggested for sensing applications that exploit timing correlations of stationary light, including range finding, clock synchronization, and non-line-of-sight imaging. However,…

We propose a zero-shot approach to image harmonization, aiming to overcome the reliance on large amounts of synthetic composite images in existing methods. These methods, while showing promising results, involve significant training…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Jianqi Chen , Yilan Zhang , Zhengxia Zou , Keyan Chen , Zhenwei Shi

In this paper, we propose a complete framework to process images captured under uncontrolled lighting and especially under low lighting. By taking advantage of the Logarithmic Image Processing (LIP) context, we study two novel functional…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Guillaume Noyel , Michel Jourlin

Mobile cameras, despite their significant advancements, still have difficulty in low-light imaging due to compact sensors and lenses, leading to longer exposures and motion blur. Traditional blind deconvolution methods and learning-based…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Jaesung Rim , Junyong Lee , Heemin Yang , Sunghyun Cho

Occlusion-free video generation is challenging due to surgeons' obstructions in the camera field of view. Prior work has addressed this issue by installing multiple cameras on a surgical light, hoping some cameras will observe the surgical…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Yuna Kato , Mariko Isogawa , Shohei Mori , Hideo Saito , Hiroki Kajita , Yoshifumi Takatsume

The CMOS camera found in many cellphones is sensitive to ionized electrons. Gamma rays penetrate into the phone and produce ionized electrons that are then detected by the camera. Thermal noise and other noise needs to be removed on the…

仪器与探测器 · 物理学 2014-01-07 Joshua J. Cogliati , Kurt W. Derr , Jayson Wharton

Image contrast enhancement for outdoor vision is important for smart car auxiliary transport systems. The video frames captured in poor weather conditions are often characterized by poor visibility. Most image dehazing algorithms consider…

计算机视觉与模式识别 · 计算机科学 2015-10-06 Huimin Lu , Yujie Li , Shota Nakashima , Seiichi Serikawa

Despite the remarkable advances in image matching and pose estimation, image-based localization of a camera in a temporally-varying outdoor environment is still a challenging problem due to huge appearance disparity between query and…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Shen Yan , Yu Liu , Long Wang , Zehong Shen , Zhen Peng , Haomin Liu , Maojun Zhang , Guofeng Zhang , Xiaowei Zhou

Existing methods for enhancing dark images captured in a very low-light environment assume that the intensity level of the optimal output image is known and already included in the training set. However, this assumption often does not hold,…

图像与视频处理 · 电气工程与系统科学 2023-04-05 Evgeny Hershkovitch Neiterman , Michael Klyuchka , Gil Ben-Artzi

This paper introduces a method for using LED-based environmental lighting to produce visually imperceptible watermarks for consumer cameras. Our approach optimizes an LED light source's spectral profile to be minimally visible to the human…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Hodaka Kawachi , Tomoya Nakamura , Hiroaki Santo , SaiKiran Kumar Tedla , Trevor Dalton Canham , Yasushi Yagi , Michael S. Brown

Due to their outstanding properties in challenging conditions, event cameras have become indispensable in a wide range of applications, ranging from automotive, computational photography, and SLAM. However, as further improvements are made…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Daniel Gehrig , Davide Scaramuzza

As critical visual details become obscured, the low visibility and high ISO noise in extremely low-light images pose a significant challenge to human pose estimation. Current methods fail to provide high-quality representations due to…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Feng Zhang , Ze Li , Xiatian Zhu , Lei Chen

High-dynamic-range (HDR) photography involves fusing a bracket of images taken at different exposure settings in order to compensate for the low dynamic range of digital cameras such as the ones used in smartphones. In this paper, a method…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Reza Pourreza , Nasser Kehtarnavaz

We present a method that leverages the complementarity of event cameras and standard cameras to track visual features with low-latency. Event cameras are novel sensors that output pixel-level brightness changes, called "events". They offer…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Daniel Gehrig , Henri Rebecq , Guillermo Gallego , Davide Scaramuzza

A low-light image enhancement is a highly demanded image processing technique, especially for consumer digital cameras and cameras on mobile phones. In this paper, a gradient-based low-light image enhancement algorithm is proposed. The key…

计算机视觉与模式识别 · 计算机科学 2018-09-26 Masayuki Tanaka , Takashi Shibata , Masatoshi Okutomi