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Related papers: Deep Outdoor Illumination Estimation

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Scene reconstruction in the presence of high-speed motion and low illumination is important in many applications such as augmented and virtual reality, drone navigation, and autonomous robotics. Traditional motion estimation techniques fail…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Sacha Jungerman , Atul Ingle , Mohit Gupta

In this work, we present a novel background subtraction system that uses a deep Convolutional Neural Network (CNN) to perform the segmentation. With this approach, feature engineering and parameter tuning become unnecessary since the…

Computer Vision and Pattern Recognition · Computer Science 2017-02-07 Mohammadreza Babaee , Duc Tung Dinh , Gerhard Rigoll

High dynamic range (HDR) imaging has recently drawn much attention in multimedia community. In this paper, we proposed a HDR image forensics method based on convolutional neural network (CNN).To our best knowledge, this is the first time to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Yongqing Huo , Xiaofeng Zhu

Predicting panoramic indoor lighting from a single perspective image is a fundamental but highly ill-posed problem in computer vision and graphics. To achieve locale-aware and robust prediction, this problem can be decomposed into three…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jiayang Bai , Zhen He , Shan Yang , Jie Guo , Zhenyu Chen , Yan Zhang , Yanwen Guo

Automatic generation of a high-quality video from a single image remains a challenging task despite the recent advances in deep generative models. This paper proposes a method that can create a high-resolution, long-term animation using…

Graphics · Computer Science 2019-10-17 Yuki Endo , Yoshihiro Kanamori , Shigeru Kuriyama

We present SOLID-Net, a neural network for spatially-varying outdoor lighting estimation from a single outdoor image for any 2D pixel location. Previous work has used a unified sky environment map to represent outdoor lighting. Instead, we…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Yongjie Zhu , Yinda Zhang , Si Li , Boxin Shi

Hyperspectral imaging sensors are becoming increasingly popular in robotics applications such as agriculture and mining, and allow per-pixel thematic classification of materials in a scene based on their unique spectral signatures.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Lloyd Windrim , Rishi Ramakrishnan , Arman Melkumyan , Richard Murphy

In this work, we focus on outdoor lighting estimation by aggregating individual noisy estimates from images, exploiting the rich image information from wide-angle cameras and/or temporal image sequences. Photographs inherently encode…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Haebom Lee , Christian Homeyer , Robert Herzog , Jan Rexilius , Carsten Rother

Object viewpoint estimation from 2D images is an essential task in computer vision. However, two issues hinder its progress: scarcity of training data with viewpoint annotations, and a lack of powerful features. Inspired by the growing…

Computer Vision and Pattern Recognition · Computer Science 2015-05-22 Hao Su , Charles R. Qi , Yangyan Li , Leonidas Guibas

This paper addresses the problem of dense depth predictions from sparse distance sensor data and a single camera image on challenging weather conditions. This work explores the significance of different sensor modalities such as camera,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Sadique Adnan Siddiqui , Axel Vierling , Karsten Berns

Computational color constancy refers to the estimation of the scene illumination and makes the perceived color relatively stable under varying illumination. In the past few years, deep Convolutional Neural Networks (CNNs) have delivered…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Jun Zhang , Tong Zheng , Shengping Zhang , Meng Wang

Images captured under outdoor scenes usually suffer from low contrast and limited visibility due to suspended atmospheric particles, which directly affects the quality of photos. Despite numerous image dehazing methods have been proposed,…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Chongyi Li , Jichang Guo , Fatih Porikli , Huazhu Fu , Yanwei Pang

Reconstructing the 3D shape of an object using several images under different light sources is a very challenging task, especially when realistic assumptions such as light propagation and attenuation, perspective viewing geometry and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Fotios Logothetis , Roberto Mecca , Ignas Budvytis , Roberto Cipolla

We present a novel approach for estimating depth from a monocular camera as it moves through complex and crowded indoor environments, e.g., a department store or a metro station. Our approach predicts absolute scale depth maps over the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Dongki Jung , Jaehoon Choi , Yonghan Lee , Deokhwa Kim , Changick Kim , Dinesh Manocha , Donghwan Lee

We develop a deep learning network to estimate the illumination spectrum of hyperspectral images under various lighting conditions. To this end, a dataset, IllumNet, was created. Images were captured using a Specim IQ camera under various…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Nariman Habili , Jeremy Oorloff , Lars Petersson

In wireless sensing applications, such as ISAC, one of the first crucial signal processing steps is the detection and estimation targets from a channel estimate. Effective algorithms in this context must be robust across a broad SNR range,…

Signal Processing · Electrical Eng. & Systems 2025-07-03 Steffen Schieler , Sebastian Semper , Christian Schneider , Reiner Thomä

The movie and video game industries have adopted photogrammetry as a way to create digital 3D assets from multiple photographs of a real-world scene. But photogrammetry algorithms typically output an RGB texture atlas of the scene that only…

Graphics · Computer Science 2022-11-16 Siddhant Prakash , Gilles Rainer , Adrien Bousseau , George Drettakis

Annual luminance maps provide meaningful evaluations for occupants' visual comfort, preferences, and perception. However, acquiring long-term luminance maps require labor-intensive and time-consuming simulations or impracticable long-term…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Yue Liu , Alex Colburn , Mehlika Inanici

While an increasing interest in deep models for single-image depth estimation methods can be observed, established schemes for their evaluation are still limited. We propose a set of novel quality criteria, allowing for a more detailed…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Tobias Koch , Lukas Liebel , Friedrich Fraundorfer , Marco Körner

Scene understanding plays an important role in several high-level computer vision applications, such as autonomous vehicles, intelligent video surveillance, or robotics. However, too few solutions have been proposed for indoor/outdoor scene…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Ayman Beghdadi , Azeddine Beghdadi , Mohib Ullah , Faouzi Alaya Cheikh , Malik Mallem