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Object detection and semantic segmentation are two of the most widely adopted deep learning algorithms in agricultural applications. One of the major sources of variability in image quality acquired in the outdoors for such tasks is…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Abhisesh Silwal , Tanvir Parhar , Francisco Yandun , George Kantor

Neural Radiance Fields (NeRFs) have demonstrated prominent performance in novel view synthesis. However, their input heavily relies on image acquisition under normal light conditions, making it challenging to learn accurate scene…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Min Wang , Xin Huang , Guoqing Zhou , Qifeng Guo , Qing Wang

Most consumer-grade digital cameras can only capture a limited range of luminance in real-world scenes due to sensor constraints. Besides, noise and quantization errors are often introduced in the imaging process. In order to obtain high…

图像与视频处理 · 电气工程与系统科学 2021-06-22 Xiangyu Chen , Yihao Liu , Zhengwen Zhang , Yu Qiao , Chao Dong

Low-light remote sensing images generally feature high resolution and high spatial complexity, with continuously distributed surface features in space. This continuity in scenes leads to extensive long-range correlations in spatial domains…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Zishu Yao , Guodong Fan , Jinfu Fan , Min Gan , C. L. Philip Chen

Clear monitoring images are crucial for the safe operation of coal mine Internet of Video Things (IoVT) systems. However, low illumination and uneven brightness in underground environments significantly degrade image quality, posing…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Shuai Wang , Shihao Zhang , Jiaqi Wu , Zijian Tian , Wei Chen , Tongzhu Jin , Miaomiao Xue , Zehua Wang , Fei Richard Yu , Victor C. M. Leung

The ability to capture good quality images in the dark and near-zero lux conditions has been a long-standing pursuit of the computer vision community. The seminal work by Chen et al. [5] has especially caused renewed interest in this area,…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Mohit Lamba , Atul Balaji , Kaushik Mitra

Deep image relighting allows photo enhancement by illumination-specific retouching without human effort and so it is getting much interest lately. Most of the existing popular methods available for relighting are run-time intensive and…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Sourya Dipta Das , Nisarg A. Shah , Saikat Dutta

High dynamic range (HDR) image is widely-used in graphics and photography due to the rich information it contains. Recently the community has started using deep neural network (DNN) to reconstruct standard dynamic range (SDR) images into…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Cheng Guo , Xiuhua Jiang

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…

High dynamic range (HDR) imaging has recently drawn much attention in multimedia community. In this paper, we proposed a HDR image forensics method based on convolutional neural network (CNN).To our best knowledge, this is the first time to…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Yongqing Huo , Xiaofeng Zhu

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

Maritime images captured under low-light imaging condition easily suffer from low visibility and unexpected noise, leading to negative effects on maritime traffic supervision and management. To promote imaging performance, it is necessary…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Yu Guo , Yuxu Lu , Ryan Wen Liu , Meifang Yang , Kwok Tai Chui

Low-light image enhancement, such as recovering color and texture details from low-light images, is a complex and vital task. For automated driving, low-light scenarios will have serious implications for vision-based applications. To…

图像与视频处理 · 电气工程与系统科学 2021-09-01 Yangyang Qu , Kai Chen , Chao Liu , Yongsheng Ou

Our research focuses on few-shot fine-grained image classification, which faces two major challenges: appearance similarity of fine-grained objects and limited number of samples. To preserve the appearance details of images, traditional…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Shulei Qiu , Wanqi Yang , Ming Yang

Low-light images are not conducive to human observation and computer vision algorithms due to their low visibility. Although many image enhancement techniques have been proposed to solve this problem, existing methods inevitably introduce…

计算机视觉与模式识别 · 计算机科学 2017-11-03 Zhenqiang Ying , Ge Li , Wen Gao

This paper presents a novel and interpretable end-to-end learning framework, called the deep compensation unfolding network (DCUNet), for restoring light field (LF) images captured under low-light conditions. DCUNet is designed with a…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Xianqiang Lyu , Junhui Hou

Low-light image enhancement strives to improve the contrast, adjust the visibility, and restore the distortion in color and texture. Existing methods usually pay more attention to improving the visibility and contrast via increasing the…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Huake Wang , Xiaoyang Yan , Xingsong Hou , Junhui Li , Yujie Dun , Kaibing Zhang

Low-light image enhancement - a pervasive but challenging problem, plays a central role in enhancing the visibility of an image captured in a poor illumination environment. Due to the fact that not all photons can pass the Bayer-Filter on…

图像与视频处理 · 电气工程与系统科学 2022-03-23 Xingbo Dong , Wanyan Xu , Zhihui Miao , Lan Ma , Chao Zhang , Jiewen Yang , Zhe Jin , Andrew Beng Jin Teoh , Jiajun Shen

We present ExBluRF, a novel view synthesis method for extreme motion blurred images based on efficient radiance fields optimization. Our approach consists of two main components: 6-DOF camera trajectory-based motion blur formulation and…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Dongwoo Lee , Jeongtaek Oh , Jaesung Rim , Sunghyun Cho , Kyoung Mu Lee

We present a novel dehazing and low-light enhancement method based on an illumination map that is accurately estimated by a convolutional neural network (CNN). In this paper, the illumination map is used as a component for three different…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Guisik Kim , Junseok Kwon