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In this paper, we present a novel low-light image enhancement method called dark region-aware low-light image enhancement (DALE), where dark regions are accurately recognized by the proposed visual attention module and their brightness are…

Image and Video Processing · Electrical Eng. & Systems 2020-08-31 Dokyeong Kwon , Guisik Kim , Junseok Kwon

Diffusion Transformers (DiTs) have emerged as a leading architecture for text-to-image synthesis, producing high-quality and photorealistic images. However, the quadratic scaling properties of the attention in DiTs hinder image generation…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Philipp Becker , Abhinav Mehrotra , Ruchika Chavhan , Malcolm Chadwick , Luca Morreale , Mehdi Noroozi , Alberto Gil Ramos , Sourav Bhattacharya

Uneven light image enhancement is a highly demanded task in many industrial image processing applications. Many existing enhancement methods using physical lighting models or deep-learning techniques often lead to unnatural results. This is…

Image and Video Processing · Electrical Eng. & Systems 2023-05-26 Tian Pu , Shuhang Wang , Zhenming Peng , Qingsong Zhu

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

In this work, we present Eformer - Edge enhancement based transformer, a novel architecture that builds an encoder-decoder network using transformer blocks for medical image denoising. Non-overlapping window-based self-attention is used in…

Image and Video Processing · Electrical Eng. & Systems 2021-11-10 Achleshwar Luthra , Harsh Sulakhe , Tanish Mittal , Abhishek Iyer , Santosh Yadav

A light field image captures scenes through its micro-lens array, providing a rich representation that encompasses spatial and angular information. While this richness comes at significant data redundancy, most existing methods tend to…

Image and Video Processing · Electrical Eng. & Systems 2026-02-19 Zeke Zexi Hu , Haodong Chen , Hui Ye , Xiaoming Chen , Vera Yuk Ying Chung , Yiran Shen , Weidong Cai

Developing effective approaches to generate enhanced results that align well with human visual preferences for high-quality well-lit images remains a challenge in low-light image enhancement (LLIE). In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Xiaorui Zhao , Xinyue Zhou , Peibei Cao , Junyu Lou , Shuhang Gu

Transformers have emerged as viable alternatives to convolutional neural networks owing to their ability to learn non-local region relationships in the spatial domain. The self-attention mechanism of the transformer enables transformers to…

Image and Video Processing · Electrical Eng. & Systems 2023-08-09 Rahul G. S. , Sriprabha Ramnarayanan , Mohammad Al Fahim , Keerthi Ram , Preejith S. P , Mohanasankar Sivaprakasam

Blind Image Quality Assessment (BIQA) is a fundamental task in computer vision, which however remains unresolved due to the complex distortion conditions and diversified image contents. To confront this challenge, we in this paper propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Guanyi Qin , Runze Hu , Yutao Liu , Xiawu Zheng , Haotian Liu , Xiu Li , Yan Zhang

Vision Transformers (ViTs) have become a universal backbone for both image recognition and image generation. Yet their Multi-Head Self-Attention (MHSA) layer still performs a quadratic query-key interaction for every token pair, spending…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yifan Pu , Jixuan Ying , Qixiu Li , Tianzhu Ye , Dongchen Han , Xiaochen Wang , Ziyi Wang , Xinyu Shao , Gao Huang , Xiu Li

Convolutional neural networks (CNNs) and vision transformers (ViTs) have achieved remarkable success in various vision tasks. However, many architectures do not consider interactions between feature maps from different stages and scales,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Liang Shang , Yanli Liu , Zhengyang Lou , Shuxue Quan , Nagesh Adluru , Bochen Guan , William A. Sethares

In large language models built upon the Transformer architecture, recent studies have shown that inter-head interaction can enhance attention performance. Motivated by this, we propose Multi-head Explicit Attention (MEA), a simple yet…

Machine Learning · Computer Science 2026-01-28 Runyu Peng , Yunhua Zhou , Demin Song , Kai Lv , Bo Wang , Qipeng Guo , Xipeng Qiu

Most existing Low-light Image Enhancement (LLIE) methods either directly map Low-Light (LL) to Normal-Light (NL) images or use semantic or illumination maps as guides. However, the ill-posed nature of LLIE and the difficulty of semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Han Zhou , Wei Dong , Xiaohong Liu , Shuaicheng Liu , Xiongkuo Min , Guangtao Zhai , Jun Chen

Recent advances in vision transformers (ViTs) have achieved great performance in visual recognition tasks. Convolutional neural networks (CNNs) exploit spatial inductive bias to learn visual representations, but these networks are spatially…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Youpeng Zhao , Huadong Tang , Yingying Jiang , Yong A , Qiang Wu

Accurate land cover classification from satellite imagery is crucial in environmental monitoring and sustainable resource management. However, it remains challenging due to the complexity of natural landscapes, the visual similarity between…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Debopom Sutradhar , Arefin Ittesafun Abian , Mohaimenul Azam Khan Raiaan , Reem E. Mohamed , Sheikh Izzal Azid , Sami Azam

Recent advancements in learned image compression (LIC) methods have demonstrated superior performance over traditional hand-crafted codecs. These learning-based methods often employ convolutional neural networks (CNNs) or Transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Hamidreza Soltani , Erfan Ghasemi

In this paper, we present Self-DACE++, an improved unsupervised and lightweight framework for Low-Light Image Enhancement (LLIE), building upon our previous Self-Reference Deep Adaptive Curve Estimation (Self-DACE). To better address the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Jianyu Wen , Jun Xie , Feng Chen , Zhepeng Wang , Chenhao Wu , Tong Zhang , Yixuan Yu , Piotr Swierczynski

In recent years, various applications in computer vision have achieved substantial progress based on deep learning, which has been widely used for image fusion and shown to achieve adequate performance. However, suffering from limited…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Zhengwen Shen , Jun Wang , Zaiyu Pan , Yulian Li , Jiangyu Wang

Restoring images from low-light data is a challenging problem. Most existing deep-network based algorithms are designed to be trained with pairwise images. Due to the lack of real-world datasets, they usually perform poorly when generalized…

Image and Video Processing · Electrical Eng. & Systems 2020-12-25 Yangyang Qu , Chao liu , Yongsheng Ou

Low-Light Image Enhancement (LLIE) is a crucial computer vision task that aims to restore detailed visual information from corrupted low-light images. Many existing LLIE methods are based on standard RGB (sRGB) space, which often produce…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Qingsen Yan , Yixu Feng , Cheng Zhang , Guansong Pang , Kangbiao Shi , Peng Wu , Wei Dong , Jinqiu Sun , Yanning Zhang