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Hazy images reduce the visibility of the image content, and haze will lead to failure in handling subsequent computer vision tasks. In this paper, we address the problem of image dehazing by proposing a dehazing network named T-Net, which…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Lirong Zheng , Yanshan Li , Kaihao Zhang , Wenhan Luo

Haze severely degrades the visual quality of remote sensing images and hampers the performance of road extraction, vehicle detection, and traffic flow monitoring. The emerging denoising diffusion probabilistic model (DDPM) exhibits the…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Jiamei Xiong , Xuefeng Yan , Yongzhen Wang , Wei Zhao , Xiao-Ping Zhang , Mingqiang Wei

Urban forests play a key role in enhancing environmental quality and supporting biodiversity in cities. Mapping and monitoring these green spaces are crucial for urban planning and conservation, yet accurately detecting trees is challenging…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Alessandro dos Santos Ferreira , Ana Paula Marques Ramos , José Marcato Junior , Wesley Nunes Gonçalves

Image Dehazing (ID) aims to produce a clear image from an observation contaminated by haze. Current ID methods typically rely on carefully crafted priors or extensive haze-free ground truth, both of which are expensive or impractical to…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zhang Wen , Jiangwei Xie , Dongdong Chen

Nighttime image dehazing is a challenging task due to the presence of multiple types of adverse degrading effects including glow, haze, blurry, noise, color distortion, and so on. However, most previous studies mainly focus on daytime image…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Yun Liu , Zhongsheng Yan , Sixiang Chen , Tian Ye , Wenqi Ren , Erkang Chen

Hyperspectral image denoising faces the challenge of multi-dimensional coupling of spatially non-uniform noise and spectral correlation interference. Existing deep learning methods mostly focus on RGB images and struggle to effectively…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Haoyue Li , Di Wu

Remote sensing images (RSIs) are frequently degraded by haze, fog, and thin clouds, which obscure surface reflectance and hinder downstream applications. This study presents the first systematic and unified survey of RSIs dehazing,…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Heng Zhou , Xiaoxiong Liu , Zhenxi Zhang , Jieheng Yun , Chengyang Li , Yunchu Yang , Dongyi Xia , Chunna Tian , Xiao-Jun Wu

Removing the noise and improving the visual quality of hyperspectral images (HSIs) is challenging in academia and industry. Great efforts have been made to leverage local, global or spectral context information for HSI denoising. However,…

图像与视频处理 · 电气工程与系统科学 2023-04-20 Haodong Pan , Feng Gao , Junyu Dong , Qian Du

This study focuses on transforming galaxy images between astronomical surveys, specifically enhancing images from the Sloan Digital Sky Survey (SDSS) and the Dark Energy Camera Legacy Survey (DECaLS) to achieve quality comparable to the…

天体物理仪器与方法 · 物理学 2025-01-27 Zhijian Luo , Shaohua Zhang , Jianzhen Chen , Zhu Chen , Liping Fu , Hubing Xiao , Wei Du , Chenggang Shu

Increasing the visibility of nighttime hazy images is challenging because of uneven illumination from active artificial light sources and haze absorbing/scattering. The absence of large-scale benchmark datasets hampers progress in this…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Jing Zhang , Yang Cao , Zheng-Jun Zha , Dacheng Tao

Single-image dehazing is a challenging problem due to its ill-posed nature. Existing methods rely on a suboptimal two-step approach, where an intermediate product like a depth map is estimated, based on which the haze-free image is…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Yu Zhang , Xinchao Wang , Xiaojun Bi , Dacheng Tao

In this paper, we address the single image haze removal problem in a nighttime scene. The night haze removal is a severely ill-posed problem especially due to the presence of various visible light sources with varying colors and non-uniform…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Shiba Kuanar , K. R. Rao , Dwarikanath Mahapatra , Monalisa Bilas

Image dehazing faces challenges when dealing with hazy images in real-world scenarios. A huge domain gap between synthetic and real-world haze images degrades dehazing performance in practical settings. However, collecting real-world image…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Chih-Ling Chang , Fu-Jen Tsai , Zi-Ling Huang , Lin Gu , Chia-Wen Lin

In-line digital holography (DIH) is a widely used lensless imaging technique, valued for its simplicity and capability to image samples at high throughput. However, capturing only intensity of the interference pattern during the recording…

图像与视频处理 · 电气工程与系统科学 2026-03-06 Gökhan Koçmarlı , G. Bora Esmer

Images acquired in hazy conditions have degradations induced in them. Dehazing such images is a vexed and ill-posed problem. Scores of prior-based and learning-based approaches have been proposed to mitigate the effect of haze and generate…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Abdul Wasi , O. Jeba Shiney

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

Model driven single image dehazing was widely studied on top of different priors due to its extensive applications. Ambiguity between object radiance and haze and noise amplification in sky regions are two inherent problems of model driven…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Zhengguo Li , Haiyan Shu , Chaobing Zheng

Haze obscures remote sensing images, hindering valuable information extraction. To this end, we propose RSHazeNet, an encoder-minimal and decoder-minimal framework for efficient remote sensing image dehazing. Specifically, regarding the…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Yuanbo Wen , Tao Gao , Ziqi Li , Jing Zhang , Ting Chen

Diffusion models have recently been investigated as powerful generative solvers for image dehazing, owing to their remarkable capability to model the data distribution. However, the massive computational burden imposed by the retraining of…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Zizheng Yang , Hu Yu , Bing Li , Jinghao Zhang , Jie Huang , Feng Zhao

Machine vision is susceptible to laser dazzle, where intense laser light can blind and distort its perception of the environment through oversaturation or permanent damage to sensor pixels. Here we employ a wavefront-coded phase mask to…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Xiaopeng Peng , Erin F. Fleet , Abbie T. Watnik , Grover A. Swartzlander