中文
相关论文

相关论文: Pre-processing Image using Brightening, CLAHE and …

200 篇论文

Retinex theory provides a principled foundation for low-light image enhancement, inspiring numerous learning-based methods that integrate its principles. However, existing methods exhibits limitations in accurately decomposing reflectance…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Bolun Zheng , Qingshan Lei , Quan Chen , Qianyu Zhang , Kainan Yu , Xu Jia , Lingyu Zhu

The logarithmic model offers new tools for image processing. An efficient method for image enhancement is to use an affine transformation with the logarithmic operations: addition and scalar multiplication. We define some criteria for…

计算机视觉与模式识别 · 计算机科学 2014-12-18 Vasile Patrascu , Vasile Buzuloiu

Retinex-based low-light image enhancement methods are widely used due to their excellent performance. However, most of them are time-consuming for large-sized images. This paper extends the Retinex model from the spatial domain to the…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Jingtian Zhao , Xueli Xie , Jianxiang Xi , Xiaogang Yang , Haoxuan Sun

This report describes the experimental results obtained using a proposed variational Retinex algorithm for controlled illumination correction. Two colour restoration and enhancement schemes of the algorithm are presented for drastically…

计算机视觉与模式识别 · 计算机科学 2017-02-07 U. A. Nnolim

Noise, artifacts, and over-exposure are significant challenges in the field of low-light image enhancement. Existing methods often struggle to address these issues simultaneously. In this paper, we propose a novel Retinex-based method,…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Yu Wang , Yihong Wang , Tong Liu , Xiubao Sui , Qian Chen

Image enhancement aims at processing an input image so that the visual content of the output image is more pleasing or more useful for certain applications. Although histogram equalization is widely used in image enhancement due to its…

计算机视觉与模式识别 · 计算机科学 2021-01-18 Xiangyuan Zhu , Xiaoming Xiao , Tardi Tjahjadi , Zhihu Wu , Jin Tang

Images captured under low-light conditions often suffer from (partially) poor visibility. Besides unsatisfactory lightings, multiple types of degradations, such as noise and color distortion due to the limited quality of cameras, hide in…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Yonghua Zhang , Jiawan Zhang , Xiaojie Guo

The Retinex theory models the image as a product of illumination and reflection components, which has received extensive attention and is widely used in image enhancement, segmentation and color restoration. However, it has been rarely used…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Liang Wu , Wenjing Lu , Liming Tang , Zhuang Fang

Low-light image enhancement is challenging due to complex degradations, including amplified noise, artifacts, and color distortion. While Retinex-based deep learning methods have achieved promising results, they primarily rely on…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Youssef Aboelwafa , Hicham G. Elmongui , Marwan Torki

The underwater images usually suffers from non-uniform lighting, low contrast, blur and diminished colors. In this paper, we proposed an image based preprocessing technique to enhance the quality of the underwater images. The proposed…

计算机视觉与模式识别 · 计算机科学 2012-12-04 C. J. Prabhakar , P. U. Praveen Kumar

Multi-exposure image fusion (MEF) synthesizes multiple, differently exposed images of the same scene into a single, well-exposed composite. Retinex theory, which separates image illumination from scene reflectance, provides a natural…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Haowen Bai , Jiangshe Zhang , Zixiang Zhao , Lilun Deng , Yukun Cui , Shuang Xu

Many low-light enhancement methods ignore intensive noise in original images. As a result, they often simultaneously enhance the noise as well. Furthermore, extra denoising procedures adopted by most methods ruin the details. In this paper,…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Xutong Ren , Mading Li , Wen-Huang Cheng , Jiaying Liu

This paper presents a novel context-aware image denoising algorithm that combines an adaptive image smoothing technique and color reduction techniques to remove perturbation from adversarial images. Adaptive image smoothing is achieved…

计算机视觉与模式识别 · 计算机科学 2021-01-18 Li-Yun Wang , Yeganeh Jalalpour , Wu-chi Feng

Image editing is a common task across a wide range of domains, from personal use to professional applications. Despite advances in computer vision, current tools still demand significant manual effort for editing tasks that require…

编程语言 · 计算机科学 2025-09-05 Yang He , Xiaoyu Liu , Yuepeng Wang

We consider the generic deep image enhancement problem where an input image is transformed into a perceptually better-looking image. Recent methods for image enhancement consider the problem by performing style transfer and image…

计算机视觉与模式识别 · 计算机科学 2020-12-14 Indra Deep Mastan , Shanmuganathan Raman

Convolutional Neural Networks (CNNs) serve as the workhorse of deep learning, finding applications in various fields that rely on images. Given sufficient data, they exhibit the capacity to learn a wide range of concepts across diverse…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Saorj Kumar , Prince Asiamah , Oluwatoyin Jolaoso , Ugochukwu Esiowu

Images captured under low-light conditions are often plagued by several challenges, including diminished contrast, increased noise, loss of fine details, and unnatural color reproduction. These factors can significantly hinder the…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Miao Zhang , Yiqing Shen , Shenghui Zhong

The popularity of Contrastive Language-Image Pre-training (CLIP) has propelled its application to diverse downstream vision tasks. To improve its capacity on downstream tasks, few-shot learning has become a widely-adopted technique.…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Xiangyang Zhu , Renrui Zhang , Bowei He , Aojun Zhou , Dong Wang , Bin Zhao , Peng Gao

Contrast enhancement is an important area of research for the image analysis. Over the decade, the researcher worked on this domain to develop an efficient and adequate algorithm. The proposed method will enhance the contrast of image using…

多媒体 · 计算机科学 2012-05-08 Aroop Mukherjee , Soumen Kanrar

Retouching can significantly elevate the visual appeal of photos, but many casual photographers lack the expertise to do this well. To address this problem, previous works have proposed automatic retouching systems based on supervised…

图形学 · 计算机科学 2018-02-09 Yuanming Hu , Hao He , Chenxi Xu , Baoyuan Wang , Stephen Lin