Search Results for author: Geng Lin

Found 5 papers, 3 papers with code

GaNI: Global and Near Field Illumination Aware Neural Inverse Rendering

no code implementations22 Mar 2024 Jiaye Wu, Saeed Hadadan, Geng Lin, Matthias Zwicker, David Jacobs, Roni Sengupta

In this paper, we present GaNI, a Global and Near-field Illumination-aware neural inverse rendering technique that can reconstruct geometry, albedo, and roughness parameters from images of a scene captured with co-located light and camera.

Inverse Rendering

OmnimatteRF: Robust Omnimatte with 3D Background Modeling

1 code implementation ICCV 2023 Geng Lin, Chen Gao, Jia-Bin Huang, Changil Kim, Yipeng Wang, Matthias Zwicker, Ayush Saraf

Video matting has broad applications, from adding interesting effects to casually captured movies to assisting video production professionals.

Image Matting Video Matting

Inverse Global Illumination using a Neural Radiometric Prior

no code implementations3 May 2023 Saeed Hadadan, Geng Lin, Jan Novák, Fabrice Rousselle, Matthias Zwicker

We train our radiance network and optimize scene parameters simultaneously using a loss consisting of both a photometric term between renderings and the multi-view input images, and our radiometric prior (the residual term).

Inverse Rendering

Learning Generative Models using Denoising Density Estimators

2 code implementations8 Jan 2020 Siavash A. Bigdeli, Geng Lin, Tiziano Portenier, L. Andrea Dunbar, Matthias Zwicker

Learning probabilistic models that can estimate the density of a given set of samples, and generate samples from that density, is one of the fundamental challenges in unsupervised machine learning.

Denoising Density Estimation

Learning to Generate Dense Point Clouds with Textures on Multiple Categories

1 code implementation22 Dec 2019 Tao Hu, Geng Lin, Zhizhong Han, Matthias Zwicker

In this paper, we propose a novel approach for reconstructing point clouds from RGB images.

3D Reconstruction

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