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Neural signed distance functions (SDFs) are emerging as an effective representation for 3D shapes. State-of-the-art methods typically encode the SDF with a large, fixed-size neural network to approximate complex shapes with implicit…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Towaki Takikawa , Joey Litalien , Kangxue Yin , Karsten Kreis , Charles Loop , Derek Nowrouzezahrai , Alec Jacobson , Morgan McGuire , Sanja Fidler

Accurate reconstruction and relighting of glossy objects remains a longstanding challenge, as object shape, material properties, and illumination are inherently difficult to disentangle. Existing neural rendering approaches often rely on…

Graphics · Computer Science 2025-12-15 Georgios Kouros , Minye Wu , Tinne Tuytelaars

Transforming a thermal infrared image into a realistic RGB image is a challenging task. In this paper we propose a deep learning method to bridge this gap. We propose learning the transformation mapping using a coarse-to-fine generator that…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Xiaodong Kuang , Xiubao Sui , Chengwei Liu , Yuan Liu , Qian Chen , Guohua Gu

High dynamic range (HDR) photography is becoming increasingly popular and available by DSLR and mobile-phone cameras. While deep neural networks (DNN) have greatly impacted other domains of image manipulation, their use for HDR tone-mapping…

Image and Video Processing · Electrical Eng. & Systems 2021-11-02 Yael Vinker , Inbar Huberman-Spiegelglas , Raanan Fattal

We propose pixelNeRF, a learning framework that predicts a continuous neural scene representation conditioned on one or few input images. The existing approach for constructing neural radiance fields involves optimizing the representation…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Alex Yu , Vickie Ye , Matthew Tancik , Angjoo Kanazawa

Single-image super-resolution (SISR) typically focuses on restoring various degraded low-resolution (LR) images to a single high-resolution (HR) image. However, during SISR tasks, it is often challenging for models to simultaneously…

Image and Video Processing · Electrical Eng. & Systems 2023-11-10 Xin Wang , Jing-Ke Yan , Jing-Ye Cai , Jian-Hua Deng , Qin Qin , Yao Cheng

In recent years, the neural implicit surface has emerged as a powerful representation for multi-view surface reconstruction due to its simplicity and state-of-the-art performance. However, reconstructing smooth and detailed surfaces in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yuting Xiao , Jingwei Xu , Zehao Yu , Shenghua Gao

Inverse rendering aims to reconstruct the scene properties of objects solely from multiview images. However, it is an ill-posed problem prone to producing ambiguous estimations deviating from physically accurate representations. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Georgios Kouros , Minye Wu , Sushruth Nagesh , Xianling Zhang , Tinne Tuytelaars

Accurately rendering the appearance of fabrics is challenging, due to their complex 3D microstructures and specialized optical properties. If we model the geometry and optics of fabrics down to the fiber level, we can achieve unprecedented…

This paper aims to quantify uncertainty for SVBRDF acquisition in multi-view captures. Under uncontrolled illumination and unstructured viewpoints, there is no guarantee that the observations contain enough information to reconstruct the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Ruben Wiersma , Julien Philip , Miloš Hašan , Krishna Mullia , Fujun Luan , Elmar Eisemann , Valentin Deschaintre

Neural 3D implicit representations learn priors that are useful for diverse applications, such as single- or multiple-view 3D reconstruction. A major downside of existing approaches while rendering an image is that they require evaluating…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Tarun Yenamandra , Ayush Tewari , Nan Yang , Florian Bernard , Christian Theobalt , Daniel Cremers

Implicit neural rendering, which uses signed distance function (SDF) representation with geometric priors (such as depth or surface normal), has led to impressive progress in the surface reconstruction of large-scale scenes. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Xiaoyang Lyu , Peng Dai , Zizhang Li , Dongyu Yan , Yi Lin , Yifan Peng , Xiaojuan Qi

While deep neural networks have proven to be a powerful tool for many recognition and classification tasks, their stability properties are still not well understood. In the past, image classifiers have been shown to be vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Rima Alaifari , Giovanni S. Alberti , Tandri Gauksson

While originally developed for novel view synthesis, Neural Radiance Fields (NeRFs) have recently emerged as an alternative to multi-view stereo (MVS). Triggered by a manifold of research activities, promising results have been gained…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Vincent Hackstein , Paul Fauth-Mayer , Matthias Rothermel , Norbert Haala

Differentiable rendering is an essential operation in modern vision, allowing inverse graphics approaches to 3D understanding to be utilized in modern machine learning frameworks. Explicit shape representations (voxels, point clouds, or…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Tristan Aumentado-Armstrong , Stavros Tsogkas , Sven Dickinson , Allan Jepson

Differentiable rendering techniques like Gaussian Splatting and Neural Radiance Fields have become powerful tools for generating high-fidelity models of 3D objects and scenes. Their ability to produce both physically plausible and…

Neural rendering can be used to reconstruct implicit representations of shapes without 3D supervision. However, current neural surface reconstruction methods have difficulty learning high-frequency geometry details, so the reconstructed…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Yiqun Wang , Ivan Skorokhodov , Peter Wonka

We address the problem of estimating realistic, spatially varying reflectance for complex planetary surfaces such as the lunar regolith, which is critical for high-fidelity rendering and vision-based navigation. Existing lunar rendering…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Clementine Grethen , Nicolas Menga , Roland Brochard , Geraldine Morin , Simone Gasparini , Jeremy Lebreton , Manuel Sanchez Gestido

Diffusion models have achieved significant progress in image generation. The pre-trained Stable Diffusion (SD) models are helpful for image deblurring by providing clear image priors. However, directly using a blurry image or pre-deblurred…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Lingshun Kong , Jiawei Zhang , Dongqing Zou , Jimmy Ren , Xiaohe Wu , Jiangxin Dong , Jinshan Pan

Performance is a critical challenge in mobile image processing. Given a reference imaging pipeline, or even human-adjusted pairs of images, we seek to reproduce the enhancements and enable real-time evaluation. For this, we introduce a new…

Graphics · Computer Science 2017-08-24 Michaël Gharbi , Jiawen Chen , Jonathan T. Barron , Samuel W. Hasinoff , Frédo Durand