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Related papers: Ultra-Fast Device-Free Visible Light Sensing and L…

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Custom and natural lighting conditions can be emulated in images of the scene during post-editing. Extraordinary capabilities of the deep learning framework can be utilized for such purpose. Deep image relighting allows automatic photo…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Sourya Dipta Das , Nisarg A. Shah , Saikat Dutta , Himanshu Kumar

A method of information transmission using visual markers has been widely studied. In this approach, information or identifiers (IDs) are encoded in the black-and-white pattern of each marker. By analyzing the geometric properties of the…

Information Theory · Computer Science 2026-01-13 Wataru Uemura , Shogo Kawasaki

Received signal strength based device-free localization has attracted considerable attention in the research society over the past years to locate and track people who are not carrying any electronic device. Typically, the person is…

Networking and Internet Architecture · Computer Science 2014-08-20 Ossi Kaltiokallio , Hüseyin Yiğitler , Riku Jäntti

Differential spatial modulation (DSM) exploits the time dimension to facilitate the differential modulation, which can perfectly avoid the challenge in acquiring of heavily entangled channel state information of visible light communication…

Signal Processing · Electrical Eng. & Systems 2024-09-11 Zichun Shi , Pu Miao , Peng Chen , Lei Xue , Li-Yang Zheng , Laiyuan Wang , Gaojie Chen

Visible Light Communication (VLC) is a rapidly growing technology which can supplement the current radio frequency (RF) based wireless communication systems. VLC can play a huge part in solving the ever-increasing problem of spectrum…

Networking and Internet Architecture · Computer Science 2020-12-03 Sifat Ibne Mushfique , Ahmad Alsharoa , Murat Yuksel

In this paper, we introduce a novel self-supervised learning (SSL) loss for image representation learning. There is a growing belief that generalization in deep neural networks is linked to their ability to discriminate object shapes. Since…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Sepehr Sameni , Simon Jenni , Paolo Favaro

We propose an automatic method to infer high dynamic range illumination from a single, limited field-of-view, low dynamic range photograph of an indoor scene. In contrast to previous work that relies on specialized image capture, user…

Computer Vision and Pattern Recognition · Computer Science 2017-11-22 Marc-André Gardner , Kalyan Sunkavalli , Ersin Yumer , Xiaohui Shen , Emiliano Gambaretto , Christian Gagné , Jean-François Lalonde

Reconfigurable intelligent surfaces (RISs) are one of the most promising technological enablers of the next (6th) generation of wireless systems. In this paper, we introduce a novel use-case of the RIS technology in radio localization,…

Signal Processing · Electrical Eng. & Systems 2022-02-24 Kamran Keykhosravi , Gonzalo Seco-Granados , George C. Alexandropoulos , Henk Wymeersch

Visible light communication (VLC) has become a promising research topic in recent years, and finds its wide applications in indoor environments. Particularly, for location based services (LBS), visible light also provides a practical…

Optics · Physics 2016-11-18 Wenjun Gu , Mohammadreza A. Kashani , Mohsen Kavehrad

We present the design of an entire on-device system for large-scale urban localization using images. The proposed design integrates compact image retrieval and 2D-3D correspondence search to estimate the location in extensive city regions.…

Computer Vision and Pattern Recognition · Computer Science 2018-12-26 Ngoc-Trung Tran , Dang-Khoa Le Tan , Anh-Dzung Doan , Thanh-Toan Do , Tuan-Anh Bui , Mengxuan Tan , Ngai-Man Cheung

We present a method for determining the unknown location of a sensor placed in a known 2D environment in the presence of unknown dynamic obstacles, using only few distance measurements. We present guarantees on the quality of the…

Robotics · Computer Science 2024-08-20 Michael M. Bilevich , Shahar Guini , Dan Halperin

Visible Light Communication (VLC) technology using light emitting diodes (LEDs) has been gaining increasing attention in recent years as it is appealing for a wide range of applications such as indoor positioning. Orthogonal frequency…

Information Theory · Computer Science 2015-05-08 Mohammadreza Aminikashani , Wenjun Gu , Mohsen Kavehrad

Popular research areas like autonomous driving and augmented reality have renewed the interest in image-based camera localization. In this work, we address the task of predicting the 6D camera pose from a single RGB image in a given 3D…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Eric Brachmann , Carsten Rother

We skillfully utilized vacuum induced coherence to amplify the probe light, and then successfully achieved both nonreciprocal reflection and lasing oscillation in a single physical system by leveraging the distributed feedback and spatial…

This paper proposes a novel location-aware deep-learning-based single image reflection removal method. Our network has a reflection detection module to regress a probabilistic reflection confidence map, taking multi-scale Laplacian features…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Zheng Dong , Ke Xu , Yin Yang , Hujun Bao , Weiwei Xu , Rynson W. H. Lau

RSS-based device-free localization (DFL) is a very promising technique which allows localizing the target without attaching any electronic tags in wireless environments. In cluttered indoor environments, the performance of DFL degrades due…

Networking and Internet Architecture · Computer Science 2014-03-06 Zhenghuan Wang , Heng Liu , Shengxin Xu , Xiangyuan Bu , Jianping An

We propose a novel self-supervised approach for learning to visually localize robots equipped with controllable LEDs. We rely on a few training samples labeled with position ground truth and many training samples in which only the LED state…

Robotics · Computer Science 2024-02-16 Mirko Nava , Nicholas Carlotti , Luca Crupi , Daniele Palossi , Alessandro Giusti

Can knowing where you are assist in perceiving objects in your surroundings, especially under adverse weather and lighting conditions? In this work we investigate whether a prior map can be leveraged to aid in the detection of dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Stephen Hausler , Sourav Garg , Punarjay Chakravarty , Shubham Shrivastava , Ankit Vora , Michael Milford

Accurate detection of human presence in indoor environments is important for various applications, such as energy management and security. In this paper, we propose a novel system for human presence detection using the channel state…

Machine Learning · Computer Science 2024-02-09 Li-Hsiang Shen , An-Hung Hsiao , Kuan-I Lu , Kai-Ten Feng

Visible Light Communication (VLC) has gained great interest in the last decade due to the rapid developments in Light Emitting Diodes (LEDs) fabrication. Efficiency, durability and long life span of LEDs make them a promising residential…

Networking and Internet Architecture · Computer Science 2015-12-14 Taner Cevik , Serdar Yilmaz