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This paper proposes a DNN-based system that detects multiple people from a single depth image. Our neural network processes a depth image and outputs a likelihood map in image coordinates, where each detection corresponds to a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 David Fuentes-Jimenez , Cristina Losada-Gutierrez , David Casillas-Perez , Javier Macias-Guarasa , Roberto Martin-Lopez , Daniel Pizarro , Carlos A. Luna

We present a novel framework for floor plan-based, full six degree-of-freedom LiDAR localization. Our approach relies on robust ceiling and ground plane detection, which solves part of the pose and supports the segmentation of vertical…

Robotics · Computer Science 2022-08-16 Ling Gao , Laurent Kneip

Modeling dynamical systems is important in many disciplines, e.g., control, robotics, or neurotechnology. Commonly the state of these systems is not directly observed, but only available through noisy and potentially high-dimensional…

Machine Learning · Statistics 2014-10-29 Niklas Wahlström , Thomas B. Schön , Marc Peter Deisenroth

Object detection when provided image-level labels instead of instance-level labels (i.e., bounding boxes) during training is an important problem in computer vision, since large scale image datasets with instance-level labels are extremely…

Computer Vision and Pattern Recognition · Computer Science 2017-03-01 Ziang Yan , Jian Liang , Weishen Pan , Jin Li , Changshui Zhang

Localizing smartphones in indoor environments offers excellent opportunities for e-commerce. In this paper, we propose a localization technique for smartphones in indoor environments. This technique can calculate the coordinates of a…

Signal Processing · Electrical Eng. & Systems 2018-10-10 Md. Tanvir Hossan , Mostafa Zaman Chowdhury , Amirul Islam , Yeong Min Jang

Automated in-vitro cell detection and counting have been a key theme for artificial and intelligent biological analysis such as biopsy, drug analysis and decease diagnosis. Along with the rapid development of microfluidics and lab-on-chip…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Tiancheng Xia , Richard Jiang , YongQing Fu , Nanlin Jin

Deep learning (DL) algorithms are considered as a methodology of choice for remote-sensing image analysis over the past few years. Due to its effective applications, deep learning has also been introduced for automatic change detection and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Lazhar Khelifi , Max Mignotte

Scene coordinate regression achieves impressive results in outdoor LiDAR localization but requires days of training. Since training needs to be repeated for each new scene, long training times make these methods impractical for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Wen Li , Chen Liu , Shangshu Yu , Dunqiang Liu , Yin Zhou , Siqi Shen , Chenglu Wen , Cheng Wang

Reflections of active markers in the environment are a common source of ambiguity in onboard visual relative localization. This work presents a novel approach that exploits these typically unwanted reflections for onboard relative…

Robotics · Computer Science 2026-05-20 Tim Lakemann , Daniel Bonilla Licea , Viktor Walter , Martin Saska

Visible light positioning (VLP) is widely believed to be a cost-effective answer to the growing demanded for robot indoor positioning. Considering that some extreme environments require robot to be equipped with a precise and…

Robotics · Computer Science 2020-11-17 Hongyun Xie , Linyi Huang , Wenfei Wu

Localizing objects in image collections without supervision can help to avoid expensive annotation campaigns. We propose a simple approach to this problem, that leverages the activation features of a vision transformer pre-trained in a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Oriane Siméoni , Gilles Puy , Huy V. Vo , Simon Roburin , Spyros Gidaris , Andrei Bursuc , Patrick Pérez , Renaud Marlet , Jean Ponce

Pervasive localization is essential for continuous tracking applications, yet existing solutions face challenges in balancing power consumption and accuracy. GPS, while precise, is impractical for continuous tracking of micro-assets due to…

Systems and Control · Electrical Eng. & Systems 2025-05-12 Aritrik Ghosh , Nakul Garg , Nirupam Roy

Event-based vision sensors, such as the Dynamic Vision Sensor (DVS), are ideally suited for real-time motion analysis. The unique properties encompassed in the readings of such sensors provide high temporal resolution, superior sensitivity…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Anton Mitrokhin , Cornelia Fermuller , Chethan Parameshwara , Yiannis Aloimonos

Locating the persons moving through an environment without the necessity of them being equipped with special devices has become vital for many applications including security, IoT, healthcare, etc. Existing device-free indoor localization…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Mohamed Mohsen , Hamada Rizk , Hirozumi Yamaguch , Moustafa Youssef

Pedestrian dead-reckoning (PDR) is a potential indoor localization technology that obtains location estimation with the inertial measurement unit (IMU). However, one of its most significant drawbacks is the accumulation of its measurement…

Signal Processing · Electrical Eng. & Systems 2023-01-10 Shangsheng Wen , Ziyang Ge , Danlan Yuan , Yingcong Chen , Xuecong Fang

Obstacle Detection is a central problem for any robotic system, and critical for autonomous systems that travel at high speeds in unpredictable environment. This is often achieved through scene depth estimation, by various means. When fast…

Robotics · Computer Science 2016-07-22 Michele Mancini , Gabriele Costante , Paolo Valigi , Thomas A. Ciarfuglia

Beyond novel view synthesis, Neural Radiance Fields are useful for applications that interact with the real world. In this paper, we use them as an implicit map of a given scene and propose a camera relocalization algorithm tailored for…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Arthur Moreau , Nathan Piasco , Moussab Bennehar , Dzmitry Tsishkou , Bogdan Stanciulescu , Arnaud de La Fortelle

We present a deep learning solution for estimating the incident illumination at any 3D location within a scene from an input narrow-baseline stereo image pair. Previous approaches for predicting global illumination from images either…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Pratul P. Srinivasan , Ben Mildenhall , Matthew Tancik , Jonathan T. Barron , Richard Tucker , Noah Snavely

This paper investigates the sensing of user's uplink channel and location in terahertz extra-large reconfigurable intelligent surface (XL-RIS) systems, where the unique hybrid far-near field effect and the beam squint effect caused by the…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Zhuoran Li , Zhen Gao , Tuan Li

Taking advantage of the rolling shutter effect of CMOS cameras in smartphones is a common practice to increase the transfered data rate with visible light communication (VLC) without employing external equipment such as photodiodes. VLC can…

Networking and Internet Architecture · Computer Science 2017-07-14 Ali Ugur Guler , Tristan Braud , Pan Hui