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3D Gaussian splatting (3DGS) offers the capability to achieve real-time high quality 3D scene rendering. However, 3DGS assumes that the scene is in a clear medium environment and struggles to generate satisfactory representations in…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Haoran Wang , Nantheera Anantrasirichai , Fan Zhang , David Bull

Decoupling lighting from geometry using unconstrained photo collections is notoriously challenging. Solving it would benefit many users as creating complex 3D assets takes days of manual labor. Many previous works have attempted to address…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Joanna Kaleta , Kacper Kania , Tomasz Trzcinski , Marek Kowalski

Optimization of image transformation functions for the purpose of data augmentation has been intensively studied. In particular, adversarial data augmentation strategies, which search augmentation maximizing task loss, show significant…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Teppei Suzuki

Video relighting is a challenging yet valuable task, aiming to replace the background in videos while correspondingly adjusting the lighting in the foreground with harmonious blending. During translation, it is essential to preserve the…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Jianshu Zeng , Yuxuan Liu , Yutong Feng , Chenxuan Miao , Zixiang Gao , Jiwang Qu , Jianzhang Zhang , Bin Wang , Kun Yuan

Data augmentation is usually adopted to increase the amount of training data, prevent overfitting and improve the performance of deep models. However, in practice, random data augmentation, such as random image cropping, is low-efficiency…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Tao Hu , Honggang Qi , Qingming Huang , Yan Lu

Change detection has been a challenging visual task due to the dynamic nature of real-world scenes. Good performance of existing methods depends largely on prior background images or a long-term observation. These methods, however, suffer…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Chao Chen , Sheng Zhang , Cuibing Du

Background subtraction is a basic task in computer vision and video processing often applied as a pre-processing step for object tracking, people recognition, etc. Recently, a number of successful background-subtraction algorithms have been…

计算机视觉与模式识别 · 计算机科学 2020-01-15 M. Ozan Tezcan , Prakash Ishwar , Janusz Konrad

2D Gaussian Splatting (2DGS) is an emerging explicit scene representation method with significant potential for image compression due to high fidelity and high compression ratios. However, existing low-light enhancement algorithms operate…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Yuhan Chen , Wenxuan Yu , Guofa Li , Yijun Xu , Ying Fang , Yicui Shi , Long Cao , Wenbo Chu , Keqiang Li

Data augmentation has become a standard component of vision pre-trained models to capture the invariance between augmented views. In practice, augmentation techniques that mask regions of a sample with zero/mean values or patches from other…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Shentong Mo , Zhun Sun , Chao Li

All existing image enhancement methods, such as HDR tone mapping, cannot recover A/D quantization losses due to insufficient or excessive lighting, (underflow and overflow problems). The loss of image details due to A/D quantization is…

计算机视觉与模式识别 · 计算机科学 2018-03-22 Chang Liu , Xiaolin Wu , Xiao Shu

In this paper we present a novel approach for depth map enhancement from an RGB-D video sequence. The basic idea is to exploit the shading information in the color image. Instead of making assumption about surface albedo or controlled…

计算机视觉与模式识别 · 计算机科学 2019-12-16 Xinxin Zuo , Sen Wang , Jiangbin Zheng , Ruigang Yang

Real-time rendering with global illumination is crucial to afford the user realistic experience in virtual environments. We present a learning-based estimator to predict diffuse indirect illumination in screen space, which then is combined…

图形学 · 计算机科学 2025-11-06 Meng Gai , Guoping Wang , Sheng Li

The use of deep learning for radio modulation recognition has become prevalent in recent years. This approach automatically extracts high-dimensional features from large datasets, facilitating the accurate classification of modulation…

机器学习 · 计算机科学 2023-11-08 Tao Chen , Shilian Zheng , Kunfeng Qiu , Luxin Zhang , Qi Xuan , Xiaoniu Yang

Ground-based solar image restoration is a computationally expensive procedure that involves nonlinear optimization techniques. The presence of atmospheric turbulence produces perturbations in individual images that make it necessary to…

天体物理仪器与方法 · 物理学 2023-07-26 A. Asensio Ramos , S. Esteban Pozuelo , C. Kuckein

Machine learning driven object detection and classification within non-visible imagery has an important role in many fields such as night vision, all-weather surveillance and aviation security. However, such applications often suffer due to…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Hiroshi Sasaki , Chris G. Willcocks , Toby P. Breckon

To deal with the exhausting annotations, self-supervised representation learning from unlabeled point clouds has drawn much attention, especially centered on augmentation-based contrastive methods. However, specific augmentations hardly…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Zhuheng Lu , Yuewei Dai , Weiqing Li , Zhiyong Su

This paper introduces a novel pipeline for generating large-scale, highly realistic, and automatically labeled datasets for computer vision tasks in robotic environments. Our approach addresses the critical challenges of the domain gap…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Patryk Niżeniec , Marcin Iwanowski

White balance (WB) correction in scenes with multiple illuminants remains a persistent challenge in computer vision. Recent methods explored fusion-based approaches, where a neural network linearly blends multiple sRGB versions of an input…

计算机视觉与模式识别 · 计算机科学 2025-03-20 David Serrano-Lozano , Aditya Arora , Luis Herranz , Konstantinos G. Derpanis , Michael S. Brown , Javier Vazquez-Corral

During the past years,deep convolutional neural networks have achieved impressive success in low-light Image Enhancement.Existing deep learning methods mostly enhance the ability of feature extraction by stacking network structures and…

图像与视频处理 · 电气工程与系统科学 2021-12-16 Zilong Chen , Yaling Liang , Minghui Du

Computer vision applications based on videos often require the detection of moving objects in their first step. Background subtraction is then applied in order to separate the background and the foreground. In literature, background…

计算机视觉与模式识别 · 计算机科学 2019-01-14 T. Bouwmans , B. Garcia-Garcia