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Shadow removal is to restore shadow regions to their shadow-free counterparts while leaving non-shadow regions unchanged. State-of-the-art shadow removal methods train deep neural networks on collected shadow & shadow-free image pairs,…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Xiaoguang Li , Qing Guo , Pingping Cai , Wei Feng , Ivor Tsang , Song Wang

Recently, the progress of learning-by-synthesis has proposed a training model for synthetic images, which can effectively reduce the cost of human and material resources. However, due to the different distribution of synthetic images…

计算机视觉与模式识别 · 计算机科学 2020-02-17 Yuxiao Yan , Yang Yan , Jinjia Peng , Huibing Wang , Xianping Fu

Image relighting is to change the illumination of an image to a target illumination effect without known the original scene geometry, material information and illumination condition. We propose a novel outdoor scene relighting method, which…

计算机视觉与模式识别 · 计算机科学 2017-08-24 Xin Jin , Yannan Li , Ningning Liu , Xiaodong Li , Xianggang Jiang , Chaoen Xiao , Shiming Ge

We propose a new technique for estimating spatially varying parametric materials from a single image of an object with unknown shape in unknown illumination. Our method uses a low-order parametric reflectance model, and incorporates strong…

图形学 · 计算机科学 2019-12-30 Kevin Karsch , David Forsyth

Room layout estimation predicts layouts from a single panorama. It requires datasets with large-scale and diverse room shapes to train the models. However, there are significant imbalances in real-world datasets including the dimensions of…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Taotao Jing , Lichen Wang , Naji Khosravan , Zhiqiang Wan , Zachary Bessinger , Zhengming Ding , Sing Bing Kang

Adaptive and flexible image editing is a desirable function of modern generative models. In this work, we present a generative model with auto-encoder architecture for per-region style manipulation. We apply a code consistency loss to…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Ansheng You , Chenglin Zhou , Qixuan Zhang , Lan Xu

The assumption of a uniform light color distribution is no longer applicable in scenes that have multiple light colors. Most color constancy methods are designed to deal with a single light color, and thus are erroneous when applied to…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Shuwei Li , Jikai Wang , Michael S. Brown , Robby T. Tan

Indoor lighting estimation from a single image or video remains a challenge due to its highly ill-posed nature, especially when the lighting condition of the scene varies spatially and temporally. We propose a method that estimates from an…

图形学 · 计算机科学 2025-08-13 Mutian Tong , Rundi Wu , Changxi Zheng

Relighting of human images enables post-photography editing of lighting effects in portraits. The current mainstream approach uses neural networks to approximate lighting effects without explicitly accounting for the principle of physical…

图形学 · 计算机科学 2024-11-04 Daichi Tajima , Yoshihiro Kanamori , Yuki Endo

These days deep learning is the fastest-growing area in the field of Machine Learning. Convolutional Neural Networks are currently the main tool used for image analysis and classification purposes. Although great achievements and…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Agnieszka Mikołajczyk , Michał Grochowski

We present a novel method for 3D scene editing using diffusion models, designed to ensure view consistency and realism across perspectives. Our approach leverages attention features extracted from a single reference image to define the…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Eyal Gomel , Lior Wolf

Understanding dark scenes based on multi-modal image data is challenging, as both the visible and auxiliary modalities provide limited semantic information for the task. Previous methods focus on fusing the two modalities but neglect the…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Xiaoyu Dong , Naoto Yokoya

In this work, we propose a step towards a more accurate prediction of the environment light given a single picture of a known object. To achieve this, we developed a deep learning method that is able to encode the latent space of indoor…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Henrique Weber , Donald Prévost , Jean-François Lalonde

Scene classification has established itself as a challenging research problem. Compared to images of individual objects, scene images could be much more semantically complex and abstract. Their difference mainly lies in the level of…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Ji Zhang , Jean-Paul Ainam , Li-hui Zhao , Wenai Song , Xin Wang

This paper considers matching images of low-light scenes, aiming to widen the frontier of SfM and visual SLAM applications. Recent image sensors can record the brightness of scenes with more than eight-bit precision, available in their…

计算机视觉与模式识别 · 计算机科学 2021-09-15 Wenzheng Song , Masanori Suganuma , Xing Liu , Noriyuki Shimobayashi , Daisuke Maruta , Takayuki Okatani

Automated Machine Learning has grown very successful in automating the time-consuming, iterative tasks of machine learning model development. However, current methods struggle when the data is imbalanced. Since many real-world datasets are…

机器学习 · 计算机科学 2022-11-02 Prabhant Singh , Joaquin Vanschoren

Modern deep neural networks can easily overfit to biased training data containing corrupted labels or class imbalance. Sample re-weighting methods are popularly used to alleviate this data bias issue. Most current methods, however, require…

机器学习 · 计算机科学 2023-05-02 Jun Shu , Xiang Yuan , Deyu Meng , Zongben Xu

Low-light images suffer from severe noise and low illumination. Current deep learning models that are trained with real-world images have excellent noise reduction, but a ratio parameter must be chosen manually to complete the enhancement…

图像与视频处理 · 电气工程与系统科学 2020-04-23 Qingxu Fu , Xiaoguang Di , Yu Zhang

This paper presents a novel contribution to the field of regional style transfer. Existing methods often suffer from the drawback of applying style homogeneously across the entire image, leading to stylistic inconsistencies or foreground…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Zhicheng Ding , Panfeng Li , Qikai Yang , Siyang Li , Qingtian Gong

Developing deep networks that analyze fashion garments has many real-world applications. Among all fashion attributes, color is one of the most important yet challenging to detect. Existing approaches are classification-based and thus…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Alexandre Rame , Arthur Douillard , Charles Ollion