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Low-light image enhancement is an important task in computer vision, essential for improving the visibility and quality of images captured in non-optimal lighting conditions. Inadequate illumination can lead to significant information loss…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Ezequiel Perez-Zarate , Oscar Ramos-Soto , Chunxiao Liu , Diego Oliva , Marco Perez-Cisneros

This paper investigates the problem of recovering hyperspectral (HS) images from single RGB images. To tackle such a severely ill-posed problem, we propose a physically-interpretable, compact, efficient, and end-to-end learning-based…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Zhiyu Zhu , Hui Liu , Junhui Hou , Sen Jia , Qingfu Zhang

Deep learning based single image super-resolution (SR) methods have been rapidly evolved over the past few years and have yielded state-of-the-art performances over conventional methods. Since these methods usually minimized l1 loss between…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Kwanyoung Kim , Se Young Chun

It is challenging to remove rain-steaks from a single rainy image because the rain steaks are spatially varying in the rainy image. This problem is studied in this paper by combining conventional image processing techniques and deep…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Chaobing Zheng , Yuwen Li , Shiqian Wu

Transformers-based methods have achieved significant performance in image deraining as they can model the non-local information which is vital for high-quality image reconstruction. In this paper, we find that most existing Transformers…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Xiang Chen , Hao Li , Mingqiang Li , Jinshan Pan

Underwater image enhancement (UIE) is a challenging task due to the complex degradation caused by underwater environments. To solve this issue, previous methods often idealize the degradation process, and neglect the impact of medium noise…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Jingchun Zhou , Zongxin He , Qiuping Jiang , Kui Jiang , Xianping Fu , Xuelong Li

Convolutional neural network (CNN) based image enhancement methods such as super-resolution and detail enhancement have achieved remarkable performances. However, amounts of operations including convolution and parameters within the…

Image and Video Processing · Electrical Eng. & Systems 2022-05-03 Sangwook Baek , Yongsup Park , Youngo Park , Jungmin Lee , Kwangpyo Choi

In this paper, we present DRANet, a network architecture that disentangles image representations and transfers the visual attributes in a latent space for unsupervised cross-domain adaptation. Unlike the existing domain adaptation methods…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Seunghun Lee , Sunghyun Cho , Sunghoon Im

To fully leverage spatial information for remote sensing image segmentation and address semantic edge ambiguities caused by grayscale variations (e.g., shadows and low-contrast regions), we propose the Frequency and Spatial Domains based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Jiahao Fu , Yinfeng Yu , Liejun Wang

The superior performance introduced by deep learning approaches in removing atmospheric particles such as snow and rain from a single image; favors their usage over classical ones. However, deep learning-based approaches still suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Ibrahim Kajo , Mohamed Kas , Yassine Ruichek

In this paper, we propose an end-to-end feature fusion at-tention network (FFA-Net) to directly restore the haze-free image. The FFA-Net architecture consists of three key components: 1) A novel Feature Attention (FA) module combines…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Xu Qin , Zhilin Wang , Yuanchao Bai , Xiaodong Xie , Huizhu Jia

Different rain models and novel network structures have been proposed to remove rain streaks from single rainy images. In this work, we bring attention to the intrinsic priors and multi-scale features of the rainy images, and develop…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Yinglong Wang , Chao Ma , Bing Zeng

Underwater images often suffer from various issues such as low brightness, color shift, blurred details, and noise due to light absorption and scattering caused by water and suspended particles. Previous underwater image enhancement (UIE)…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Zheng Cheng , Guodong Fan , Jingchun Zhou , Min Gan , C. L. Philip Chen

Ambient Lighting Normalization (ALN) aims to restore images degraded by complex, spatially varying illumination conditions. Existing methods, such as IFBlend, leverage frequency-domain priors to model illumination variations, but still…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Jiatao Dai , Wei Dong , Han Zhou , Chengzhou Tang , Jun Chen

Image deraining plays a pivotal role in low-level computer vision, serving as a prerequisite for robust outdoor surveillance and autonomous driving systems. While deep learning paradigms have achieved remarkable success in firmly aligned…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Kangbo Zhao , Miaoxin Guan , Xiang Chen , Yukai Shi , Jinshan Pan

In this paper, we propose an end to end solution for image matting i.e high-precision extraction of foreground objects from natural images. Image matting and background detection can be achieved easily through chroma keying in a studio…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Rishab Sharma , Rahul Deora , Anirudha Vishvakarma

Few-shot learning aims to recognize novel concepts by leveraging prior knowledge learned from a few samples. However, for visually intensive tasks such as few-shot semantic segmentation, pixel-level annotations are time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Jiaqi Ma , Guo-Sen Xie , Fang Zhao , Zechao Li

Image deblurring aims to restore high-quality images from blurred ones. While existing deblurring methods have made significant progress, most overlook the fact that the degradation degree varies across different regions. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Hu Gao , Depeng Dang

Moire pattern frequently appears in photographs captured with mobile devices and digital cameras, potentially degrading image quality. Despite recent advancements in computer vision, image demoire'ing remains a challenging task due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 M Rakesh Reddy , Shubham Mandloi , Aman Kumar

Traffic object detection under variable illumination is challenging due to the information loss caused by the limited dynamic range of conventional frame-based cameras. To address this issue, we introduce bio-inspired event cameras and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Zhanwen Liu , Nan Yang , Yang Wang , Yuke Li , Xiangmo Zhao , Fei-Yue Wang