English
Related papers

Related papers: Indoor 3-Dimensional Visible Light Positioning: Er…

200 papers

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

In this paper, we consider a tunable liquid convex lens-assisted imaging receiver for indoor multiple-input multiple-output (MIMO) visible light communication (VLC) systems. In contrast to existing MIMO VLC receivers that rely on fixed…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Kapila W. S. Palitharathna , Christodoulos Skouroumounis , Ioannis Krikidis

The visible light communication (VLC) technology has attracted much attention in the research of the sixth generation (6G) communication systems. In this paper, a novel three dimensional (3D) space-time-frequency non-stationary…

Signal Processing · Electrical Eng. & Systems 2022-04-07 Xiuming Zhu , Cheng-Xiang Wang , Jie Huang , Ming Chen , Harald Haas

We propose a novel approach to jointly perform 3D shape retrieval and pose estimation from monocular images.In order to make the method robust to real-world image variations, e.g. complex textures and backgrounds, we learn an embedding…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Kyaw Zaw Lin , Weipeng Xu , Qianru Sun , Christian Theobalt , Tat-Seng Chua

We present a lightweight solution to recover 3D pose from multi-view images captured with spatially calibrated cameras. Building upon recent advances in interpretable representation learning, we exploit 3D geometry to fuse input images into…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Edoardo Remelli , Shangchen Han , Sina Honari , Pascal Fua , Robert Wang

An optimization method is proposed in this paper for novel deployment of given number of directional landmarks (location and pose) within a given region in the 3-D task space. This new deployment technique is built on the geometric models…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Zike Lei , Xi Chen , Ying Tan , Xiang Chen , Li Chai

Accurate and robust visual localization under a wide range of viewing condition variations including season and illumination changes, as well as weather and day-night variations, is the key component for many computer vision and robotics…

Computer Vision and Pattern Recognition · Computer Science 2019-05-20 Tianxin Shi , Shuhan Shen , Xiang Gao , Lingjie Zhu

Integrated visible light positioning and communication (VLPC), capable of combining advantages of visible light communications (VLC) and visible light positioning (VLP), is a promising key technology for the future Internet of Things. In…

Information Theory · Computer Science 2023-05-24 Shuai Ma , Ruixin Yang , Chun Du , Hang Li , Youlong Wu , Naofal Al-Dhahir , Shiyin Li

Capturing and labeling camera images in the real world is an expensive task, whereas synthesizing labeled images in a simulation environment is easy for collecting large-scale image data. However, learning from only synthetic images may not…

Computer Vision and Pattern Recognition · Computer Science 2018-07-06 Tadanobu Inoue , Subhajit Chaudhury , Giovanni De Magistris , Sakyasingha Dasgupta

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 investigate the performance of generalized spatial modulation (GSM) in indoor wireless visible light communication (VLC) systems. GSM uses $N_t$ light emitting diodes (LED), but activates only $N_a$ of them at a given…

Information Theory · Computer Science 2015-03-12 S. P. Alaka , T. Lakshmi Narasimhan , A. Chockalingam

Learning to represent three dimensional (3D) human pose given a two dimensional (2D) image of a person, is a challenging problem. In order to make the problem less ambiguous it has become common practice to estimate 3D pose in the camera…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Mara Levy , Abhinav Shrivastava

The ability to perceive and understand 3D scenes is crucial for many applications in computer vision and robotics. Inverse graphics is an appealing approach to 3D scene understanding that aims to infer the 3D scene structure from 2D images.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Guangyao Zhou , Nishad Gothoskar , Lirui Wang , Joshua B. Tenenbaum , Dan Gutfreund , Miguel Lázaro-Gredilla , Dileep George , Vikash K. Mansinghka

The visible light communication (VLC) by LED is one of the important communication methods because LED can work as high speed and VLC sends the information by high flushing LED. We use the pulse wave modulation for the VLC with LED because…

Networking and Internet Architecture · Computer Science 2021-06-08 Wataru Uemura , Yasuhiro Fukumori , Takato Hayama

The Local Position Measurement system (LPM) is one of the most precise systems for 3D position estimation. It is able to operate in- and outdoor and updates at a rate up to 1000 measurements per second. Previous scientific publications…

Signal Processing · Electrical Eng. & Systems 2018-02-07 Juri Sidorenko , Norbert Scherer-Negenborn , Eckart Michaelsen , Michael Arens

In monocular 3D human pose estimation a common setup is to first detect 2D positions and then lift the detection into 3D coordinates. Many algorithms suffer from overfitting to camera positions in the training set. We propose a siamese…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Márton Véges , Viktor Varga , András Lőrincz

In three-dimensional geographical scenes, adding labels with leader lines to point features can significantly improve their visibility. Leadered labels have a large degree of freedom in position con-figuration, but existing methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Zhiwei Wei , Nai Yang , Wenjia Xu , Su Ding , Li Minmin , Li You , Guo Renzhong

We seek to predict the 6 degree-of-freedom (6DoF) pose of a query photograph with respect to a large indoor 3D map. The contributions of this work are three-fold. First, we develop a new large-scale visual localization method targeted for…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Hajime Taira , Masatoshi Okutomi , Torsten Sattler , Mircea Cimpoi , Marc Pollefeys , Josef Sivic , Tomas Pajdla , Akihiko Torii

Positional embeddings (PE) play a crucial role in Vision Transformers (ViTs) by providing spatial information otherwise lost due to the permutation invariant nature of self attention. While absolute positional embeddings (APE) have shown…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Md Abtahi Majeed Chowdhury , Md Rifat Ur Rahman , Akil Ahmad Taki

In this paper, we design a dimming compatible visible light communication (VLC) system in a standard office room according to illumination standards under channel constraints. We use overlapping pulse position modulation (OPPM) to support…

Information Theory · Computer Science 2016-03-01 Ata Chizari , Mohammad Vahid Jamali , Jawad A. Salehi , Akbar Dargahi
‹ Prev 1 4 5 6 7 8 10 Next ›