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There are many factors affecting visual face recognition, such as low resolution images, aging, illumination and pose variance, etc. One of the most important problem is low resolution face images which can result in bad performance on face…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Bayram Bayramli , Usman Ali , Te Qi , Hongtao Lu

Traditional methods to remove haze from images rely on estimating a transmission map. When dealing with single images, this becomes an ill-posed problem due to the lack of depth information. In this paper, we propose an end-to-end learning…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Bharath Raj N. , Venkateswaran N

Approximate analytic expressions for haze (and gloss) of Gaussian randomly rough surfaces for various types of correlation functions are derived within phase-perturbation theory. The approximations depend on the angle of incidence,…

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

Ground-based astronomical observations will continue to produce resolution-limited images due to atmospheric seeing. Deconvolution reverses such effects and thus can benefit extracted science in multifaceted ways. We apply the Scaled…

Imaging through dense fog presents unique challenges, with essential visual information crucial for applications like object detection and recognition obscured, thereby hindering conventional image processing methods. Despite improvements…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Libang Chen , Jinyan Lin , Qihang Bian , Yikun Liu , Jianying Zhou

Observations of astrophysical objects such as galaxies are limited by various sources of random and systematic noise from the sky background, the optical system of the telescope and the detector used to record the data. Conventional…

天体物理仪器与方法 · 物理学 2017-04-19 Kevin Schawinski , Ce Zhang , Hantian Zhang , Lucas Fowler , Gokula Krishnan Santhanam

Single image haze removal is an extremely challenging problem due to its inherent ill-posed nature. Several prior-based and learning-based methods have been proposed in the literature to solve this problem and they have achieved superior…

计算机视觉与模式识别 · 计算机科学 2019-04-23 He Zhang , Vishwanath Sindagi , Vishal M. Patel

Low light images suffer from severe noise, low brightness, low contrast, etc. In previous researches, many image enhancement methods have been proposed, but few methods can deal with these problems simultaneously. In this paper, to solve…

图像与视频处理 · 电气工程与系统科学 2020-08-27 Yu Zhang , Xiaoguang Di , Bin Zhang , Ruihang Ji , Chunhui Wang

Recent years have witnessed an increased interest in image dehazing. Many deep learning methods have been proposed to tackle this challenge, and have made significant accomplishments dealing with homogeneous haze. However, these solutions…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Yangyi Liu , Huan Liu , Liangyan Li , Zijun Wu , Jun Chen

Vision sensors are versatile and can capture a wide range of visual cues, such as color, texture, shape, and depth. This versatility, along with the relatively inexpensive availability of machine vision cameras, played an important role in…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Muhammad Z. Alam , Zeeshan Kaleem , Sousso Kelouwani

Single-image haze-removal is challenging due to limited information contained in one single image. Previous solutions largely rely on handcrafted priors to compensate for this deficiency. Recent convolutional neural network (CNN) models…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Ziang Cheng , Shaodi You , Viorela Ila , Hongdong Li

Intense light sources often produce flares in captured images at night, which deteriorates the visual quality and negatively affects downstream applications. In order to train an effective flare removal network, a reliable dataset is…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Lishen Qu , Shihao Zhou , Jinshan Pan , Jinglei Shi , Duosheng Chen , Jufeng Yang

This paper proposes a single image dehazing prior, called Regional Saturation-Value Translation (RSVT), to tackle the color distortion problems caused by conventional dehazing approaches in bright regions. The RSVT prior is developed based…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Le-Anh Tran , Dong-Chul Park

Global contextual information and local detail features are essential for haze removal tasks. Deep learning models perform well on small, low-resolution images, but they encounter difficulties with large, high-resolution ones due to GPU…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jiuchen Chen , Xinyu Yan , Qizhi Xu , Kaiqi Li

Salient object detection (SOD) plays a critical role in Intelligent Imaging, facilitating the detection and segmentation of key visual elements in an image. However, adverse imaging conditions such as haze during the day, low light, and…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Ai Chen , Yuxu Lu , Dong Yang , Junlin Zhou , Yan Fu , Duanbing Chen

Compared to daytime image deraining, nighttime image deraining poses significant challenges due to inherent complexities of nighttime scenarios and the lack of high-quality datasets that accurately represent the coupling effect between rain…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Qiyuan Guan , Xiang Chen , Guiyue Jin , Jiyu Jin , Shumin Fan , Tianyu Song , Jinshan Pan

Visual surveillance technology is an indispensable functional component of advanced traffic management systems. It has been applied to perform traffic supervision tasks, such as object detection, tracking and recognition. However, adverse…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yu Guo , Ryan Wen Liu , Jiangtian Nie , Lingjuan Lyu , Zehui Xiong , Jiawen Kang , Han Yu , Dusit Niyato

Images captured under low-light conditions manifest poor visibility, lack contrast and color vividness. Compared to conventional approaches, deep convolutional neural networks (CNNs) perform well in enhancing images. However, being solely…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Aditya Arora , Muhammad Haris , Syed Waqas Zamir , Munawar Hayat , Fahad Shahbaz Khan , Ling Shao , Ming-Hsuan Yang

This paper presents a novel context-aware image denoising algorithm that combines an adaptive image smoothing technique and color reduction techniques to remove perturbation from adversarial images. Adaptive image smoothing is achieved…

计算机视觉与模式识别 · 计算机科学 2021-01-18 Li-Yun Wang , Yeganeh Jalalpour , Wu-chi Feng