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We present a physics-based inverse rendering method that learns the illumination, geometry, and materials of a scene from posed multi-view RGB images. To model the illumination of a scene, existing inverse rendering works either completely…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Youming Deng , Xueting Li , Sifei Liu , Ming-Hsuan Yang

Although neural radiance fields (NeRF) have shown impressive advances for novel view synthesis, most methods typically require multiple input images of the same scene with accurate camera poses. In this work, we seek to substantially reduce…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Kai-En Lin , Lin Yen-Chen , Wei-Sheng Lai , Tsung-Yi Lin , Yi-Chang Shih , Ravi Ramamoorthi

Traditional reflection removal algorithms either use a single image as input, which suffers from intrinsic ambiguities, or use multiple images from a moving camera, which is inconvenient for users. We instead propose a learning-based…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Simon Niklaus , Xuaner Cecilia Zhang , Jonathan T. Barron , Neal Wadhwa , Rahul Garg , Feng Liu , Tianfan Xue

Scene observation from multiple perspectives would bring a more comprehensive visual experience. However, in the context of acquiring multiple views in the dark, the highly correlated views are seriously alienated, making it challenging to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Hao Luo , Baoliang Chen , Lingyu Zhu , Peilin Chen , Shiqi Wang

We present a novel framework to learn to convert the perpixel photometric information at each view into spatially distinctive and view-invariant low-level features, which can be plugged into existing multi-view stereo pipeline for enhanced…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Kaizhang Kang , Cihui Xie , Ruisheng Zhu , Xiaohe Ma , Ping Tan , Hongzhi Wu , Kun Zhou

Rendering realistic images from 3D reconstruction is an essential task of many Computer Vision and Robotics pipelines, notably for mixed-reality applications as well as training autonomous agents in simulated environments. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Lukas Bösiger , Mihai Dusmanu , Marc Pollefeys , Zuria Bauer

Retrieving accurate 3D reconstructions of objects from the way they reflect light is a very challenging task in computer vision. Despite more than four decades since the definition of the Photometric Stereo problem, most of the literature…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Fotios Logothetis , Ignas Budvytis , Roberto Mecca , Roberto Cipolla

Image harmonization aims to adjust the foreground illumination in a composite image to make it harmonious. The existing harmonization methods can only produce one deterministic result for a composite image, ignoring that a composite image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xinhao Tao , Tianyuan Qiu , Junyan Cao , Li Niu

Neural rendering techniques promise efficient photo-realistic image synthesis while at the same time providing rich control over scene parameters by learning the physical image formation process. While several supervised methods have been…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Hassan Abu Alhaija , Siva Karthik Mustikovela , Justus Thies , Varun Jampani , Matthias Nießner , Andreas Geiger , Carsten Rother

We present a novel neural surface reconstruction method, called NeuS, for reconstructing objects and scenes with high fidelity from 2D image inputs. Existing neural surface reconstruction approaches, such as DVR and IDR, require foreground…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Peng Wang , Lingjie Liu , Yuan Liu , Christian Theobalt , Taku Komura , Wenping Wang

Lighting is a determining factor in photography that affects the style, expression of emotion, and even quality of images. Creating or finding satisfying lighting conditions, in reality, is laborious and time-consuming, so it is of great…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Zuo-Liang Zhu , Zhen Li , Rui-Xun Zhang , Chun-Le Guo , Ming-Ming Cheng

In this paper, we define a new problem of recovering the 3D geometry of an object confined in a transparent enclosure. We also propose a novel method for solving this challenging problem. Transparent enclosures pose challenges of multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Jinguang Tong , Sundaram Muthu , Fahira Afzal Maken , Chuong Nguyen , Hongdong Li

Single-image human relighting aims to relight a target human under new lighting conditions by decomposing the input image into albedo, shape and lighting. Although plausible relighting results can be achieved, previous methods suffer from…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Chaonan Ji , Tao Yu , Kaiwen Guo , Jingxin Liu , Yebin Liu

Light spectra are a very important source of information for diverse classification problems, e.g., for discrimination of materials. To lower the cost for acquiring this information, multispectral cameras are used. Several techniques exist…

Image and Video Processing · Electrical Eng. & Systems 2022-09-19 Frank Sippel , Jürgen Seiler , Nils Genser , André Kaup

The rapid development of inexpensive commodity depth sensors has made keypoint detection and matching in the depth image modality an important problem in computer vision. Despite great improvements in recent RGB local feature learning…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Jisan Mahmud , Rajat Vikram Singh , Peri Akiva , Spondon Kundu , Kuan-Chuan Peng , Jan-Michael Frahm

We present DeepMVS, a deep convolutional neural network (ConvNet) for multi-view stereo reconstruction. Taking an arbitrary number of posed images as input, we first produce a set of plane-sweep volumes and use the proposed DeepMVS network…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Po-Han Huang , Kevin Matzen , Johannes Kopf , Narendra Ahuja , Jia-Bin Huang

We study to generate novel views of indoor scenes given sparse input views. The challenge is to achieve both photorealism and view consistency. We present SparseGNV: a learning framework that incorporates 3D structures and image generative…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Weihao Cheng , Yan-Pei Cao , Ying Shan

The view synthesis problem--generating novel views of a scene from known imagery--has garnered recent attention due in part to compelling applications in virtual and augmented reality. In this paper, we explore an intriguing scenario for…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Tinghui Zhou , Richard Tucker , John Flynn , Graham Fyffe , Noah Snavely

3D reconstruction has lately attracted increasing attention due to its wide application in many areas, such as autonomous driving, robotics and virtual reality. As a dominant technique in artificial intelligence, deep learning has been…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Qingtian Zhu , Chen Min , Zizhuang Wei , Yisong Chen , Guoping Wang

We propose a self-supervised method for image relighting of single view images in the wild. The method is based on an auto-encoder which deconstructs an image into two separate encodings, relating to the scene illumination and content,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Yang Liu , Alexandros Neophytou , Sunando Sengupta , Eric Sommerlade