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Existing deep learning-based shadow removal methods still produce images with shadow remnants. These shadow remnants typically exist in homogeneous regions with low-intensity values, making them untraceable in the existing image-to-image…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yuhao Liu , Qing Guo , Lan Fu , Zhanghan Ke , Ke Xu , Wei Feng , Ivor W. Tsang , Rynson W. H. Lau

Shadows are frequently encountered natural phenomena that significantly hinder the performance of computer vision perception systems in practical settings, e.g., autonomous driving. A solution to this would be to eliminate shadow regions…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Subhrajyoti Dasgupta , Arindam Das , Senthil Yogamani , Sudip Das , Ciaran Eising , Andrei Bursuc , Ujjwal Bhattacharya

Shadow removal is still a challenging task due to its inherent background-dependent and spatial-variant properties, leading to unknown and diverse shadow patterns. Even powerful state-of-the-art deep neural networks could hardly recover…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Lan Fu , Changqing Zhou , Qing Guo , Felix Juefei-Xu , Hongkai Yu , Wei Feng , Yang Liu , Song Wang

Image fusion aims to integrate complementary information across modalities to generate high-quality fused images, thereby enhancing the performance of high-level vision tasks. While global spatial modeling mechanisms show promising results,…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Guan Zheng , Xue Wang , Wenhua Qian , Peng Liu , Runzhuo Ma

This paper focuses on the limitations of current over-parameterized shadow removal models. We present a novel lightweight deep neural network that processes shadow images in the LAB color space. The proposed network termed "LAB-Net", is…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Hong Yang , Gongrui Nan , Mingbao Lin , Fei Chao , Yunhang Shen , Ke Li , Rongrong Ji

Recent deep learning methods have achieved promising results in image shadow removal. However, their restored images still suffer from unsatisfactory boundary artifacts, due to the lack of degradation prior embedding and the deficiency in…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Lanqing Guo , Chong Wang , Wenhan Yang , Siyu Huang , Yufei Wang , Hanspeter Pfister , Bihan Wen

Video synthetic aperture radar (ViSAR) has attracted substantial attention in the moving target detection (MTD) field due to its ability to continuously monitor changes in the target area. In ViSAR, the moving targets' shadows will not…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Shangqu Yan , Chenyang Luo , Yaowen Fu , Wenpeng Zhang , Wei Yang , Ruofeng Yu

Seismic acquisition footprints appear as stably faint and dim structures and emerge fully spatially coherent, causing inevitable damage to useful signals during the suppression process. Various footprint removal methods, including filtering…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Feng Qian , Yuehua Yue , Yu He , Hongtao Yu , Yingjie Zhou , Jinliang Tang , Guangmin Hu

The key to shadow removal is recovering the contents of the shadow regions with the guidance of the non-shadow regions. Due to the inadequate long-range modeling, the CNN-based approaches cannot thoroughly investigate the information from…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Qianhao Yu , Naishan Zheng , Jie Huang , Feng Zhao

Face Super-Resolution (FSR) aims to recover high-resolution (HR) face images from low-resolution (LR) ones. Despite the progress made by convolutional neural networks in FSR, the results of existing approaches are not ideal due to their low…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Hao Liu , Yang Yang , Yunxia Liu

Weak spectral responses in hyperspectral images are often obscured by dominant endmembers and sensor noise, resulting in inaccurate abundance estimation. This paper introduces WS-Net, a deep unmixing framework specifically designed to…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Zekun Long , Ali Zia , Guanyiman Fu , Vivien Rolland , Jun Zhou

The process of fusing a high spatial resolution (HR) panchromatic (PAN) image and a low spatial resolution (LR) multispectral (MS) image to obtain an HRMS image is known as pansharpening. With the development of convolutional neural…

图像与视频处理 · 电气工程与系统科学 2023-06-05 Yinghui Xing , Yan Zhang , Houjun He , Xiuwei Zhang , Yanning Zhang

Recent learning-based lossless image compression methods encode an image in the unit of subimages and achieve comparable performances to conventional non-learning algorithms. However, these methods do not consider the performance drop in…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Hochang Rhee , Yeong Il Jang , Seyun Kim , Nam Ik Cho

In the literature, coarse-to-fine or scale-recurrent approach i.e. progressively restoring a clean image from its low-resolution versions has been successfully employed for single image deblurring. However, a major disadvantage of existing…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Praveen Kandula , Rajagopalan. A. N

Face super-resolution (FSR) under limited computational budgets remains challenging. Existing methods often treat all facial pixels equally, leading to suboptimal resource allocation and degraded performance. CNNs are sensitive to…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Siyu Xu , Wenjie Li , Guangwei Gao , Jian Yang , Guo-Jun Qi , Chia-Wen Lin

Obstacle detection by semantic segmentation shows a great promise for autonomous navigation in unmanned surface vehicles (USV). However, existing methods suffer from poor estimation of the water edge in the presence of visual ambiguities,…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Borja Bovcon , Matej Kristan

Invisible watermarks, as an essential technology for image copyright protection, have been widely deployed with the rapid development of social media and AIGC. However, existing invisible watermark detection heavily relies on prior…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Xiang Ao , Yilin Du , Zidan Wang , Mengru Chen , Siyang Lu

We propose Diff-Shadow, a global-guided diffusion model for shadow removal. Previous transformer-based approaches can utilize global information to relate shadow and non-shadow regions but are limited in their synthesis ability and recover…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Jinting Luo , Ru Li , Chengzhi Jiang , Xiaoming Zhang , Mingyan Han , Ting Jiang , Haoqiang Fan , Shuaicheng Liu

Image deblurring is an essential image preprocessing technique, aiming to recover clear and detailed images form blurry ones. However, existing algorithms often fail to effectively integrate multi-scale feature extraction with frequency…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Yawen Xiang , Heng Zhou , Chengyang Li , Zhongbo Li , Yongqiang Xie

Low-light image enhancement aims to restore the visibility of images captured by visual sensors in dim environments by addressing their inherent signal degradations, such as luminance attenuation and structural corruption. Although numerous…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Yicui Shi , Yuhan Chen , Xiangfei Huang , Zhenguo Wang , Wenxuan Yu , Ying Fang