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Few-shot image classification has emerged as a key challenge in the field of computer vision, highlighting the capability to rapidly adapt to new tasks with minimal labeled data. Existing methods predominantly rely on image-level features…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Maofa Wang , Bingchen Yan

While deep convolutional neural networks (CNNs) have achieved impressive success in image denoising with additive white Gaussian noise (AWGN), their performance remains limited on real-world noisy photographs. The main reason is that their…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Shi Guo , Zifei Yan , Kai Zhang , Wangmeng Zuo , Lei Zhang

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

Image restoration (IR) is a long-standing task to recover a high-quality image from its corrupted observation. Recently, transformer-based algorithms and some attention-based convolutional neural networks (CNNs) have presented promising…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Fangwei Hao , Ji Du , Weiyun Liang , Jing Xu , Xiaoxuan Xu

Local feature provides compact and invariant image representation for various visual tasks. Current deep learning-based local feature algorithms always utilize convolution neural network (CNN) architecture with limited receptive field.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Jinyu Miao , Haosong Yue , Zhong Liu , Xingming Wu , Zaojun Fang , Guilin Yang

Object detection in low-light conditions remains a challenging but important problem with many practical implications. Some recent works show that, in low-light conditions, object detectors using raw image data are more robust than…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Igor Morawski , Yu-An Chen , Yu-Sheng Lin , Shusil Dangi , Kai He , Winston H. Hsu

While deep neural networks have achieved remarkable performance, data augmentation has emerged as a crucial strategy to mitigate overfitting and enhance network performance. These techniques hold particular significance in industrial…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Hyungmin Kim , Donghun Kim , Pyunghwan Ahn , Sungho Suh , Hansang Cho , Junmo Kim

Although low-light image enhancement has achieved great stride based on deep enhancement models, most of them mainly stress on enhancement performance via an elaborated black-box network and rarely explore the physical significance of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Huake Wang , Xingsong Hou , Chengcu Liu , Kaibing Zhang , Xiangyong Cao , Xueming Qian

To make Robotics and Augmented Reality applications robust to illumination changes, the current trend is to train a Deep Network with training images captured under many different lighting conditions. Unfortunately, creating such a training…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Mahdi Rad , Peter M. Roth , Vincent Lepetit

Recently, Fourier frequency information has attracted much attention in Low-Light Image Enhancement (LLIE). Some researchers noticed that, in the Fourier space, the lightness degradation mainly exists in the amplitude component and the rest…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Chenxi Wang , Hongjun Wu , Zhi Jin

Although deep learning based models for underwater image enhancement have achieved good performance, they face limitations in both lightweight and effectiveness, which prevents their deployment and application on resource-constrained…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Fuheng Zhou , Dikai Wei , Ye Fan , Yulong Huang , Yonggang Zhang

When one captures images in low-light conditions, the images often suffer from low visibility. This poor quality may significantly degrade the performance of many computer vision and multimedia algorithms that are primarily designed for…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Xiaojie Guo

This paper introduces a novel deep learning framework for low-light image enhancement, named the Encoder-Decoder Network with Illumination Guidance (EDNIG). Building upon the U-Net architecture, EDNIG integrates an illumination map, derived…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Le-Anh Tran , Chung Nguyen Tran , Ngoc-Luu Nguyen , Nhan Cach Dang , Jordi Carrabina , David Castells-Rufas , Minh Son Nguyen

Current shadow detection methods perform poorly when detecting shadow regions that are small, unclear or have blurry edges. In this work, we attempt to address this problem on two fronts. First, we propose a Fine Context-aware Shadow…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Jeya Maria Jose Valanarasu , Vishal M. Patel

Recent years have witnessed the great advances of deep neural networks (DNNs) in light field (LF) image super-resolution (SR). However, existing DNN-based LF image SR methods are developed on a single fixed degradation (e.g., bicubic…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Yingqian Wang , Zhengyu Liang , Longguang Wang , Jungang Yang , Wei An , Yulan Guo

Low-light image enhancement aims to improve the perception of images collected in dim environments and provide high-quality data support for image recognition tasks. When dealing with photos captured under non-uniform illumination, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Xiao Fang , Xin Gao , Baofeng Li , Feng Zhai , Yu Qin , Zhihang Meng , Jiansheng Lu , Chun Xiao

Event cameras offer significant advantages for low-light video enhancement, primarily due to their high dynamic range. Current research, however, is severely limited by the absence of large-scale, real-world, and spatio-temporally aligned…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Kanghao Chen , Guoqiang Liang , Hangyu Li , Yunfan Lu , Lin Wang

This paper considers the problem of single image depth estimation. The employment of convolutional neural networks (CNNs) has recently brought about significant advancements in the research of this problem. However, most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Junjie Hu , Mete Ozay , Yan Zhang , Takayuki Okatani

Deep learning-based low-light image enhancers have made significant progress in recent years, with a trend towards achieving satisfactory visual quality while gradually reducing the number of parameters and improving computational…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Nan An , Long Ma , Guangchao Han , Xin Fan , RIsheng Liu

When capturing images in low-light conditions, the images often suffer from low visibility, which not only degrades the visual aesthetics of images, but also significantly degenerates the performance of many computer vision algorithms. In…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Lijun Zhang , Xiao Liu , Erik Learned-Miller , Hui Guan