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相关论文: Zero-Reference Low-Light Enhancement via Physical …

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The pretrain-finetune paradigm is a classical pipeline in visual learning. Recent progress on unsupervised pretraining methods shows superior transfer performance to their supervised counterparts. This paper revisits this phenomenon and…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yizhou Wang , Shixiang Tang , Feng Zhu , Lei Bai , Rui Zhao , Donglian Qi , Wanli Ouyang

We present IllumFlow, a novel framework that synergizes conditional Rectified Flow (CRF) with Retinex theory for low-light image enhancement (LLIE). Our model addresses low-light enhancement through separate optimization of illumination and…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Wenyang Wei , Yang yang , Xixi Jia , Xiangchu Feng , Weiwei Wang , Renzhen Wang

The fourth edition of the "VIPriors: Visual Inductive Priors for Data-Efficient Deep Learning" workshop features two data-impaired challenges. These challenges address the problem of training deep learning models for computer vision tasks…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Robert-Jan Bruintjes , Attila Lengyel , Marcos Baptista Rios , Osman Semih Kayhan , Davide Zambrano , Nergis Tomen , Jan van Gemert

Due to the nature of enhancement--the absence of paired ground-truth information, high-level vision tasks have been recently employed to evaluate the performance of low-light image enhancement. A widely-used manner is to see how accurately…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Mingjia Li , Hao Zhao , Xiaojie Guo

Image dehazing techniques aim to enhance contrast and restore details, which are essential for preserving visual information and improving image processing accuracy. Existing methods rely on a single manual prior, which cannot effectively…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Minglong Xue , Shuaibin Fan , Shivakumara Palaiahnakote , Mingliang Zhou

Conventional wisdom suggests that pre-training Vision Transformers (ViT) improves downstream performance by learning useful representations. Is this actually true? We investigate this question and find that the features and representations…

机器学习 · 计算机科学 2024-11-15 Alexander C. Li , Yuandong Tian , Beidi Chen , Deepak Pathak , Xinlei Chen

Transformers are remarkably versatile, suggesting the existence of generic inductive biases beneficial across modalities. In this work, we explore a new way to instil such biases in vision transformers (ViTs) through pretraining on…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Zachary Shinnick , Liangze Jiang , Hemanth Saratchandran , Damien Teney , Anton van den Hengel

Motivated by the fact that forward and backward passes of a deep network naturally form symmetric mappings between input and output representations, we introduce a simple yet effective self-supervised vision model pretraining framework…

计算机视觉与模式识别 · 计算机科学 2023-02-06 Ze Wang , Jiang Wang , Zicheng Liu , Qiang Qiu

The extremes of lighting (e.g. too much or too little light) usually cause many troubles for machine and human vision. Many recent works have mainly focused on under-exposure cases where images are often captured in low-light conditions…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Hue Nguyen , Diep Tran , Khoi Nguyen , Rang Nguyen

The environmental perception of autonomous vehicles in normal conditions have achieved considerable success in the past decade. However, various unfavourable conditions such as fog, low-light, and motion blur will degrade image quality and…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Zhanwen Liu , Yuhang Li , Yang Wang , Bolin Gao , Yisheng An , Xiangmo Zhao

We present a novel approach to leverage prior knowledge encapsulated in pre-trained text-to-image diffusion models for blind super-resolution (SR). Specifically, by employing our time-aware encoder, we can achieve promising restoration…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Jianyi Wang , Zongsheng Yue , Shangchen Zhou , Kelvin C. K. Chan , Chen Change Loy

Imaging in low light is challenging due to low photon count and low SNR. Short-exposure images suffer from noise, while long exposure can induce blur and is often impractical. A variety of denoising, deblurring, and enhancement techniques…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Chen Chen , Qifeng Chen , Jia Xu , Vladlen Koltun

In this paper, we propose a simple while effective unsupervised deep feature transfer algorithm for low resolution image classification. No fine-tuning on convenet filters is required in our method. We use pre-trained convenet to extract…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Yuanwei Wu , Ziming Zhang , Guanghui Wang

In this paper, we rethink the low-light image enhancement task and propose a physically explainable and generative diffusion model for low-light image enhancement, termed as Diff-Retinex. We aim to integrate the advantages of the physical…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Xunpeng Yi , Han Xu , Hao Zhang , Linfeng Tang , Jiayi Ma

Ambient lighting conditions play a crucial role in determining the perceptual quality of images from photographic devices. In general, inadequate transmission light and undesired atmospheric conditions jointly degrade the image quality. If…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Masud An Nur Islam Fahim , Nazmus Saqib , Jung Ho Yub

Detecting objects in low-light scenarios presents a persistent challenge, as detectors trained on well-lit data exhibit significant performance degradation on low-light data due to low visibility. Previous methods mitigate this issue by…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Zhipeng Du , Miaojing Shi , Jiankang Deng

This paper aims to recover the intrinsic reflectance layer and shading layer given a single image. Though this intrinsic image decomposition problem has been studied for decades, it remains a significant challenge in cases of complex…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Xiaodong Wang , Zijun He , Xin Yuan

Blind deconvolution is a challenging problem, but in low-light it is even more difficult. Existing algorithms, both classical and deep-learning based, are not designed for this condition. When the photon shot noise is strong, conventional…

图像与视频处理 · 电气工程与系统科学 2022-11-21 Yash Sanghvi , Abhiram Gnanasambandam , Zhiyuan Mao , Stanley H. Chan

The visual quality of photographs taken under imperfect lightness conditions can be degenerated by multiple factors, e.g., low lightness, imaging noise, color distortion and so on. Current low-light image enhancement models focus on the…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Shijie Hao , Xu Han , Yanrong Guo , Meng Wang

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…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Nan An , Long Ma , Guangchao Han , Xin Fan , RIsheng Liu