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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

Global illumination (GI) is essential for realistic rendering but remains computationally expensive due to the complexity of simulating indirect light transport. Recent neural methods have mainly relied on per-scene optimization, sometimes…

Graphics · Computer Science 2025-10-22 Bing Xu , Mukund Varma T , Cheng Wang , Tzumao Li , Lifan Wu , Bartlomiej Wronski , Ravi Ramamoorthi , Marco Salvi

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

We give an overview of the different rendering methods and we demonstrate that the use of a Generative Adversarial Networks (GAN) for Global Illumination (GI) gives a superior quality rendered image to that of a rasterisations image. We…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Jared Harris-Dewey , Richard Klein

3D Gaussian Splatting shows great potential in reconstructing photo-realistic 3D scenes. However, these methods typically bake illumination into their representations, limiting their use for physically-based rendering and scene editing.…

Graphics · Computer Science 2025-04-03 Zirui Wu , Jianteng Chen , Laijian Li , Shaoteng Wu , Zhikai Zhu , Kang Xu , Martin R. Oswald , Jie Song

Global Illumination (GI) is of utmost importance in the field of photo-realistic rendering. However, its computation has always been very complex, especially diffuse GI. State of the art real-time GI methods have limitations of different…

Graphics · Computer Science 2020-07-30 Jinkai Hu , Milo Yip , G. Elias Alonso , Shihao Gu , Xiangjun Tang , Xiaogang Jin

In recent years, deep generative models, such as Generative Adversarial Network (GAN), has grabbed significant attention in the field of computer vision. This project focuses on the application of GAN in image deblurring with the aim of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Zhengdong Li

Residual images and illumination estimation have been proved very helpful in image enhancement. In this paper, we propose a general and novel framework RIS-GAN which explores residual and illumination with Generative Adversarial Networks…

Image and Video Processing · Electrical Eng. & Systems 2019-12-30 Ling Zhang , Chengjiang Long , Xiaolong Zhang , Chunxia Xiao

High-quality global illumination (GI) in real-time rendering is commonly achieved using precomputed lighting techniques, with lightmap as the standard choice. To support GI for static objects in dynamic lighting environments, multiple…

Graphics · Computer Science 2026-05-13 Jianhui Wu , Jian Zhou , Zhi Zhou , Zhangjin Huang , Chao Li

Real-time global illumination is key to enabling more dynamic and physically realistic worlds in performance-critical applications such as games or any other applications with real-time constraints.Hardware-accelerated ray tracing in modern…

Getting rid of the fundamental limitations in fitting to the paired training data, recent unsupervised low-light enhancement methods excel in adjusting illumination and contrast of images. However, for unsupervised low light enhancement,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Zhangkai Ni , Wenhan Yang , Hanli Wang , Shiqi Wang , Lin Ma , Sam Kwong

Over the last decade, the process of automatic image colorization has been of significant interest for several application areas including restoration of aged or degraded images. This problem is highly ill-posed due to the large degrees of…

Computer Vision and Pattern Recognition · Computer Science 2018-07-16 Kamyar Nazeri , Eric Ng , Mehran Ebrahimi

Significant progress has been made by the advances in Generative Adversarial Networks (GANs) for image generation. However, there lacks enough understanding of how a realistic image is generated by the deep representations of GANs from a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Bolei Zhou

Images captured under real-world low-light conditions face significant challenges due to uneven ambient lighting, making it difficult for existing end-to-end methods to enhance images with a large dynamic range to normal exposure levels. To…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Haodian Wang , Yaqi Song

Recently, Generative Adversarial Network (GAN) has been found wide applications in style transfer, image-to-image translation and image super-resolution. In this paper, a color-depth conditional GAN is proposed to concurrently resolve the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Lijun Zhao , Huihui Bai , Jie Liang , Bing Zeng , Anhong Wang , Yao Zhao

We present a real-time global illumination approach along with a pipeline for dynamic 3D Gaussian models and meshes. Building on a formulated surface light transport model for 3D Gaussians, we address key performance challenges with a fast…

Graphics · Computer Science 2026-04-30 Chenxiao Hu , Meng Gai , Guoping Wang , Sheng Li

Inferring the scene illumination from a single image is an essential yet challenging task in computer vision and computer graphics. Existing works estimate lighting by regressing representative illumination parameters or generating…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Fangneng Zhan , Yingchen Yu , Changgong Zhang , Rongliang Wu , Wenbo Hu , Shijian Lu , Feiying Ma , Xuansong Xie , Ling Shao

Lighting prediction from a single image is becoming increasingly important in many vision and augmented reality (AR) applications in which shading and shadow consistency between virtual and real objects should be guaranteed. However, this…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Jiayang Bai , Jie Guo , Chenchen Wan , Zhenyu Chen , Zhen He , Shan Yang , Piaopiao Yu , Yan Zhang , Yanwen Guo

Deep learning is a rapidly developing approach in the field of infrared and visible image fusion. In this context, the use of dense blocks in deep networks significantly improves the utilization of shallow information, and the combination…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Yu Fu , Xiao-Jun Wu

Recent accelerated MRI reconstruction models have used Deep Neural Networks (DNNs) to reconstruct relatively high-quality images from highly undersampled k-space data, enabling much faster MRI scanning. However, these techniques sometimes…

Image and Video Processing · Electrical Eng. & Systems 2021-04-12 Itzik Malkiel , Sangtae Ahn , Valentina Taviani , Anne Menini , Lior Wolf , Christopher J. Hardy
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