English
Related papers

Related papers: Learning Enriched Illuminants for Cross and Single…

200 papers

In this paper, we propose a novel multi-color balance adjustment for color constancy. The proposed method, called "n-color balancing," allows us not only to perfectly correct n target colors on the basis of corresponding ground truth colors…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Teruaki Akazawa , Yuma Kinoshita , Hitoshi Kiya

Image harmonization aims to adjust the foreground illumination in a composite image to make it harmonious. The existing harmonization methods can only produce one deterministic result for a composite image, ignoring that a composite image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xinhao Tao , Tianyuan Qiu , Junyan Cao , Li Niu

Collections of images under a single, uncontrolled illumination have enabled the rapid advancement of core computer vision tasks like classification, detection, and segmentation. But even with modern learning techniques, many inverse…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Lukas Murmann , Michael Gharbi , Miika Aittala , Fredo Durand

Dermoscopic skin images are often obtained with different imaging devices, under varying acquisition conditions. In this work, instead of attempting to perform intensity and color normalization, we propose to leverage computational color…

Across a wide range of applications, from autonomous vehicles to medical imaging, multi-spectral images provide an opportunity to extract additional information not present in color images. One of the most important steps in making this…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Celyn Walters , Oscar Mendez , Mark Johnson , Richard Bowden

In this paper, we propose a novel unsupervised color constancy method, called Probabilistic Color Constancy (PCC). We define a framework for estimating the illumination of a scene by weighting the contribution of different image regions…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Uygar Tuna , Jarno Nikkanen , Moncef Gabbouj

Photo retouching aims to adjust the luminance, contrast, and saturation of the image to make it more human aesthetically desirable. However, artists' actions in photo retouching are difficult to quantitatively analyze. By investigating…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Hailong Ma , Sibo Feng , Xi Xiao , Chenyu Dong , Xingyue Cheng

Image harmonization aims at adjusting the appearance of the foreground to make it more compatible with the background. Without exploring background illumination and its effects on the foreground elements, existing works are incapable of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Zhongyun Hu , Ntumba Elie Nsampi , Xue Wang , Qing Wang

Images taken under low-light conditions tend to suffer from poor visibility, which can decrease image quality and even reduce the performance of the downstream tasks. It is hard for a CNN-based method to learn generalized features that can…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yi Huang , Xiaoguang Tu , Gui Fu , Tingting Liu , Bokai Liu , Ming Yang , Ziliang Feng

Recent self-supervised contrastive methods have been able to produce impressive transferable visual representations by learning to be invariant to different data augmentations. However, these methods implicitly assume a particular set of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Tete Xiao , Xiaolong Wang , Alexei A. Efros , Trevor Darrell

We propose a new contrastive objective for learning overcomplete pixel-level features that are invariant to motion blur. Other invariances (e.g., pose, illumination, or weather) can be learned by applying the corresponding transformations…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Leonid Pogorelyuk , Stefan T. Radev

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…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Miao Zhang , Yiqing Shen , Shenghui Zhong

In natural image matting, the goal is to estimate the opacity of the foreground object in the image. This opacity controls the way the foreground and background is blended in transparent regions. In recent years, advances in deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Sebastian Lutz , Aljosa Smolic

The goal of image harmonization is adjusting the foreground appearance in a composite image to make the whole image harmonious. To construct paired training images, existing datasets adopt different ways to adjust the illumination…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Li Niu , Junyan Cao , Wenyan Cong , Liqing Zhang

Event cameras are novel vision sensors that sample, in an asynchronous fashion, brightness increments with low latency and high temporal resolution. The resulting streams of events are of high value by themselves, especially for high speed…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 F. Paredes-Vallés , G. C. H. E. de Croon

In this paper, we propose a novel multi-color balance method for reducing color distortions caused by lighting effects. The proposed method allows us to adjust three target-colors chosen by a user in an input image so that each target color…

Multimedia · Computer Science 2021-05-24 Teruaki Akazawa , Yuma Kinoshita , Hitoshi Kiya

This paper investigates the impact of sampling and pretraining using datasets with different image characteristics on the performance of self-supervised learning (SSL) models for object classification. To do this, we sample two apartment…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Raynor Kirkson E. Chavez , Kyle Gabriel M. Reynoso

Intrinsic image decomposition, which is an essential task in computer vision, aims to infer the reflectance and shading of the scene. It is challenging since it needs to separate one image into two components. To tackle this, conventional…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Yunfei Liu , Yu Li , Shaodi You , Feng Lu

We previously investigated color constancy in photorealistic virtual reality (VR) and developed a Deep Neural Network (DNN) that predicts reflectance from rendered images. Here, we combine both approaches to compare and study a model and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Hamed Heidari-Gorji , Raquel Gil Rodriguez , Karl R. Gegenfurtner

Absence of nearby light sources while capturing an image will degrade the visibility and quality of the captured image, making computer vision tasks difficult. In this paper, a color-wise attention network (CWAN) is proposed for low-light…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Yousef Atoum , Mao Ye , Liu Ren , Ying Tai , Xiaoming Liu
‹ Prev 1 3 4 5 6 7 10 Next ›