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We propose a method to realistically insert synthetic objects into existing photographs without requiring access to the scene or any additional scene measurements. With a single image and a small amount of annotation, our method creates a…

Graphics · Computer Science 2019-12-30 Kevin Karsch , Varsha Hedau , David Forsyth , Derek Hoiem

Participating media are a pervasive and intriguing visual effect in virtual environments. Unfortunately, rendering such phenomena in real-time is notoriously difficult due to the computational expense of estimating the volume rendering…

Graphics · Computer Science 2026-04-07 Wei Li , Hanxiao Sun , Tao Huang , Haoxiang Wang , Tongtong Wang , Zherong Pan , Kui Wu

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…

Graphics · Computer Science 2025-11-06 Meng Gai , Guoping Wang , Sheng Li

The ray-tracing is often employed in urban areas for channel modeling with high accuracy but encounters a substantial computational complexity for high mobility scenarios. In this paper, we propose a novel pre-processing method for dynamic…

Signal Processing · Electrical Eng. & Systems 2025-01-07 Songjiang Yang , Cheng-Xiang Wang , Yinghua Wang , Jie Huang , Yuyang Zhou , el-Hadi M. Aggoune

Custom and natural lighting conditions can be emulated in images of the scene during post-editing. Extraordinary capabilities of the deep learning framework can be utilized for such purpose. Deep image relighting allows automatic photo…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Sourya Dipta Das , Nisarg A. Shah , Saikat Dutta , Himanshu Kumar

We present a user-friendly image editing system that supports a drag-and-drop object insertion (where the user merely drags objects into the image, and the system automatically places them in 3D and relights them appropriately),…

Graphics · Computer Science 2020-01-01 Kevin Karsch , Kalyan Sunkavalli , Sunil Hadap , Nathan Carr , Hailin Jin , Rafael Fonte , Michael Sittig

Accurate camera localization is an essential part of tracking systems. However, localization results are greatly affected by illumination. Including data collected under various lighting conditions can improve the robustness of the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Sota Shoman , Tomohiro Mashita , Alexander Plopski , Photchara Ratsamee , Yuki Uranishi , Haruo Takemura

We present GI-GS, a novel inverse rendering framework that leverages 3D Gaussian Splatting (3DGS) and deferred shading to achieve photo-realistic novel view synthesis and relighting. In inverse rendering, accurately modeling the shading…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Hongze Chen , Zehong Lin , Jun Zhang

Ray tracing is widely employed to model the propagation of radio-frequency (RF) signal in complex environment. The modelling performance greatly depends on how accurately the target scene can be depicted, including the scene geometry and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Haifeng Jia , Xinyi Chen , Yichen Wei , Yifei Sun , Yibo Pi

Photorealistic rendering effects are common in films, but most real time graphics today still rely on scan-line based multi-pass rendering to deliver rich visual experiences. While there have been prior works in distributed path tracing for…

Graphics · Computer Science 2021-10-25 Feng Xie , Petro Mishchuk , Warren Hunt

Recent radiance-field-based reconstruction methods, such as NeRF and 3DGS, achieve high visual fidelity for indoor scenes, but often break down under scene editing due to baked illumination and the lack of explicit light transport. In…

Graphics · Computer Science 2026-05-01 Xijie Yang , Mulin Yu , Changjian Jiang , Kerui Ren , Tao Lu , Jiangmiao Pang , Dahua Lin , Bo Dai , Linning Xu

Object detection and semantic segmentation are two of the most widely adopted deep learning algorithms in agricultural applications. One of the major sources of variability in image quality acquired in the outdoors for such tasks is…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Abhisesh Silwal , Tanvir Parhar , Francisco Yandun , George Kantor

Neural rendering algorithms have revolutionized computer graphics, yet their impact on real-time rendering under arbitrary lighting conditions remains limited due to strict latency constraints in practical applications. The key challenge…

Graphics · Computer Science 2025-06-12 Yijie Deng , Lei Han , Lu Fang

Indoor scene understanding is central to applications such as robot navigation and human companion assistance. Over the last years, data-driven deep neural networks have outperformed many traditional approaches thanks to their…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Yinda Zhang , Shuran Song , Ersin Yumer , Manolis Savva , Joon-Young Lee , Hailin Jin , Thomas Funkhouser

Recently, deep learning-based denoising approaches have led to dramatic improvements in low sample-count Monte Carlo rendering. These approaches are aimed at path tracing, which is not ideal for simulating challenging light transport…

Graphics · Computer Science 2020-04-28 Shilin Zhu , Zexiang Xu , Henrik Wann Jensen , Hao Su , Ravi Ramamoorthi

This paper presents a method to detect reflection of 3D light detection and ranging (Lidar) scans and uses it to classify the points and also map objects outside the line of sight. Our software uses several approaches to analyze the point…

Robotics · Computer Science 2020-10-28 Xiting Zhao , Zhijie Yang , Sören Schwertfeger

In recent years, deep generative models have gained significance due to their ability to synthesize natural-looking images with applications ranging from virtual reality to data augmentation for training computer vision models. While…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Paul Sanzenbacher , Lars Mescheder , Andreas Geiger

In recent years, image and video surveillance have made considerable progresses to the Intelligent Transportation Systems (ITS) with the help of deep Convolutional Neural Networks (CNNs). As one of the state-of-the-art perception…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Lan Fu , Hongkai Yu , Felix Juefei-Xu , Jinlong Li , Qing Guo , Song Wang

Imaging systems' performance at low light intensity is affected by shot noise, which becomes increasingly strong as the power of the light source decreases. In this paper we experimentally demonstrate the use of deep neural networks to…

Image and Video Processing · Electrical Eng. & Systems 2018-12-19 Alexandre Goy , Kwabena Arthur , Shuai Li , George Barbastathis

In 3D reconstruction, the problem of inverse rendering, namely recovering the illumination of the scene and the material properties, is fundamental. Existing Gaussian Splatting-based methods primarily target static scenes and often assume…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Joanna Kaleta , Piotr Wójcik , Kacper Marzol , Tomasz Trzciński , Kacper Kania , Marek Kowalski
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