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Automatically characterizing places with opportunistic crowdsensing using smartphones

Yohan Chon, Nicholas D. Lane, Fan Li, Hojung Cha, Feng Zhao
2012 Proceedings of the 2012 ACM Conference on Ubiquitous Computing - UbiComp '12  
CSP combines signals based on location and user trajectories (using WiFi/GPS) along with various visual and audio place "hints" mined from opportunistic sensor data.  ...  Place hints include words spoken by people, text written on signs or objects recognized in the environment.  ...  This recognition system is based on fully continuous Hidden Markov Models [6] and uses Mel-frequency Cepstral Coefficients [12] (MFCCs) as features.  ... 
doi:10.1145/2370216.2370288 dblp:conf/huc/ChonLLCZ12 fatcat:smegp4emrvg5lfvov5gbbxkwmm

Through-Wall Human Pose Estimation Using Radio Signals

Mingmin Zhao, Tianhong Li, Mohammad Abu Alsheikh, Yonglong Tian, Hang Zhao, Antonio Torralba, Dina Katabi
2018 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition  
We leverage the fact that wireless signals in the WiFi frequencies traverse walls and reflect off the human body.  ...  We show that, when tested on visible scenes, the radio-based system is almost as accurate as the vision-based system used to train it.  ...  Acknowledgments: We are grateful to all the human subjects for their contribution to our dataset. We thank the NETMIT members and the anonymous reviewers for their insightful comments.  ... 
doi:10.1109/cvpr.2018.00768 dblp:conf/cvpr/ZhaoLATZ0K18 fatcat:oqcy7fgoevfwxo36yvvtagqucm

An Inclusive Survey of Contactless Wireless Sensing: A Technology Used for Remotely Monitoring Vital Signs Has the Potential to Combating COVID-19

Mohamed Bahache, Joel Poncha Lemayian, Wenjin Wang, Jehad M. Hamamreh
2020 RS Open Journal on Innovative Communication Technologies  
state-of-the-art research in the field of contactless sensor technology in medicine, where we explain, summarize, and classify a plethora of contactless sensor technologies and techniques with the highest impact on  ...  healthcare research studies are rapidly progressing towards discovering innovative contactless technologies, especially for infants and elderly people who are suffering from chronic diseases that require continuous  ...  To separate one sample from the next one the timestamp of packets is used. 8) Author in [52] proposed a reconfigurable intelligent surface (RSI) based radio frequency system for human poster recognition  ... 
doi:10.46470/03d8ffbd.5b3676f3 fatcat:dbydcvtxbzggjl6kcjcqaqc3re

Understanding the coverage and scalability of place-centric crowdsensing

Yohan Chon, Nicholas D. Lane, Yunjong Kim, Feng Zhao, Hojung Cha
2013 Proceedings of the 2013 ACM international joint conference on Pervasive and ubiquitous computing - UbiComp '13  
This characteristic enables high coverage of place recognition using WiFi fingerprints. (3) People are active around the city from early morning to late at night.  ...  Similarly, within each scheme, members are ranked based on a simple metric that is based on the number of images they capture (with a safety measure not reward images taken all in the same place).  ... 
doi:10.1145/2493432.2493498 dblp:conf/huc/ChonLKZC13 fatcat:66vgns76x5ajlazfsj67ibjaxi

Interactive tracking of movable objects for the blind on the basis of environment models and perception-oriented object recognition methods

Andreas Hub, Tim Hartter, Thomas Ertl
2006 Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility - Assets '06  
For the identification and model-based tracking of free movable objects, like chairs, we have developed an algorithm that is similar to human perception, based on shape and color comparisons to trained  ...  models of humans.  ...  Description-based Search and Object Recognition In the second step, recognition, a search is initiated using camera images directed where objects of the database are expected.  ... 
doi:10.1145/1168987.1169007 dblp:conf/assets/HubHE06 fatcat:s7cevbqugbhedd4vpppmc5qmhy

Image splicing detection with local illumination estimation

Yu Fan, Philippe Carre, Christine Fernandez-Maloigne
2015 2015 IEEE International Conference on Image Processing (ICIP)  
Video & Surveillance Banquet Cocktail (Foyer 2) Banquet (200AB) Background Separation I Foreground / Background Separation II Human Activity Recognition I Human Activity Recognition  ...  Based on our observed reaction times and estimated signal transmission times along biological pathways, human attention theories hypothesize that the human visual system processes only parts of an image  ...  a human action recognition system that runs in realtime and uses a combination of a depth camera and an inertial sensor simultaneously .  ... 
doi:10.1109/icip.2015.7351341 dblp:conf/icip/FanCF15 fatcat:7ja5gjnp5rafvedc2nman7xcru

Learning Neural Textual Representations for Citation Recommendation

Binh Thanh Kieu, Inigo Jauregi Unanue, Son Bao Pham, Hieu Xuan Phan, Massimo Piccardi
2021 2020 25th International Conference on Pattern Recognition (ICPR)  
Ohana; Atif, Jamal Atif 2782 Detecting and adapting to crisis pattern with context based Deep Reinforcement Learning DAY 4 -Jan 15, 2021 From Human Pose to On-Body Devices for Human-Activity Recognition  ...  Fusion Learning for RGB-D Face Recognition DAY 1 -Jan 12, 2021 Lamghari, Soufiane; Bilodeau, Guillaume-Alexandre; Saunier, Nicolas 2932 A Grid-based Representation for Human Action Recognition  ... 
doi:10.1109/icpr48806.2021.9412725 fatcat:3vge2tpd2zf7jcv5btcixnaikm

A Qualitative and Quantitative Analysis of Real Time Traffic Information Providers

Tim Paul Bauer, Janick Edinger, Christian Becker
2019 2019 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)  
The Impact of Data Reduction on Wearable-Based Human Activity Recognition Hosein Nourani and Emad Shihab (Concordia University, Canada); Omid Sarbishei (Motsai Research, Canada) CR5.  ...  Lifelong learning in sensor-based human activity recognition Juan Ye (University of St Andrews, United Kingdom) ARDUOUS-S2: Short presentations 10:30 am -12:00 pm Chair: Emma L.  ... 
doi:10.1109/percomw.2019.8730795 dblp:conf/percom/BauerEB19 fatcat:uezoiac6onfkjipjci3zmidsvi

Some aspects of physical prototyping in Pervasive Computing [article]

Stephan Sigg
2018 arXiv   pre-print
One thing that we have learned from the work on these physical layer algorithms was that the signals we work on are fragile and perceptive to physical environmental changes.  ...  In particular, we have focused on the RF-channel or on ambient audio. The initial problem from which we started this work was that of distributed adaptive transmit beamforming.  ...  based on WiFi or FM radio [111, 112, 113] .  ... 
arXiv:1801.06326v1 fatcat:yhieujb32vc4jdcasbotbgkod4

A Survey of Smartwatches in Remote Health Monitoring

Christine E. King, Majid Sarrafzadeh
2017 Journal of Healthcare Informatics Research  
Also, most studies utilized Android-based smartwatches over Tizen, custom-built, or iOSbased smartwatches, and many relied on the use of the accelerometer and inertial sensors to elucidate physical activities  ...  Classified applications included activity monitoring, chronic disease self-management, nursing or home-based care, and healthcare education.  ...  Author Contributions MS had the idea to write a systematic review on smartwatches in health care, CEK and MS performed the review and analysis, CEK wrote the article, and MS is the guarantor of the review  ... 
doi:10.1007/s41666-017-0012-7 pmid:30035250 fatcat:lmf4ycnhqncxflslxktyv3gg4q

[Front matter]

2020 2020 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  
Human Activity Recognition Nguyen Thi Hoai Thu (Kyungpook National University, Korea); Dong Seog Han (Kyungpook National University, Korea (South)) 4B-3 Waveform-based End-to-end Deep Convolutional  ...  Taiwan); Po-Yi Li (National Taipei University's, Taiwan); Kuan-Chung Chen and Yung-Yuan Chen (National Taipei University, Taiwan) 1B-2 Food Image Recognition Based on Densely Connected Convolutional  ...  The island is now a resort area offering beach swimming, yachting, windsurfing and other ocean activities, as well as diving spots off the east coast.  ... 
doi:10.1109/icaiic48513.2020.9065085 fatcat:hkzvfcoqqjb4nhpkcxivn36g3q

FOSS4G 2016 Proceedings: Academic Program - selected papers and posters

Franz-Josef Behr
Some voices plead for a renewed economic geography based on continuous-space analysis of data.  ...  The processing workflow of the video analysis includes structural analysis based on video shot detection, optical character recognition, automated speech-to-text transcription, and visual concept detection  ... 
doi:10.7275/r5kp80b7 fatcat:byr5d2bdk5bptl7xhszeugobsq

State of the Art of Audio- and Video-Based Solutions for AAL

Slavisa ALeksic, Michael Atanasov, Jean Calleja Agius, Kenneth Camilleri, Anto Čartolovni, Pau Climent-Pérez, Sara Colantonio, Stefania Cristina, Vladimir Despotovic, Hazım Kemal Ekenel, Ekrem Erakin, Francisco Florez-Revuelta (+27 others)
2022 Zenodo  
In this respect, video- and audio-based AAL applications have several advantages, in terms of unobtrusiveness and information richness.  ...  AAL capitalizes on the growing pervasiveness and effectiveness of sensing and computing facilities to supply the persons in need with smart assistance, by responding to their necessities of autonomy, independence  ...  In [IV.254], the authors propose a human activity recognition model based on audio features.  ... 
doi:10.5281/zenodo.6390708 fatcat:6qfwqd2v2rhe5iuu5zgz77ay4i

Mobile Phone Sensing: A New Application Paradigm

Shaukat Ali, Shah Khusro
2016 Indian Journal of Science and Technology  
However, the available solutions are mainly based on the distributed approach that uses a mobile phone as a gateway and rely heavily on external aids for capturing and storing information.  ...  Methods/Statistical Analysis: The literature focusing on using mobile phone sensors in applications is thoroughly tracked and selected for the study.  ...  The NFC reader reads location information from NFC tag inside in smart poster whenever an Android based mobile phone running with I 2 Navi is placed near it.  ... 
doi:10.17485/ijst/2016/v9i19/53088 fatcat:szw7k2w3tzabbiwq46zhq7vvay

Rackham: An Interactive Robot-Guide

Aurelie Clodic, Sara Fleury, Rachid Alami, Raja Chatila, Gerard Bailly, Ludovic Brethes, Maxime Cottret, Patrick Danes, Xavier Dollat, Frederic Elisei, Isabelle Ferrane, Matthieu Herrb (+7 others)
2006 ROMAN 2006 - The 15th IEEE International Symposium on Robot and Human Interactive Communication  
The project is conducted so as to incrementally enhance the robot functional and decisional capabilities based on the observation of the interaction between the public and the robot.  ...  This paper presents its design and reports on results that have been obtained after its deployment in a permanent exhibition.  ...  Based on the grammar-based open source recognition engine, Julian (, this automatic speech recognition system is intended to recognize two types of vocal commands  ... 
doi:10.1109/roman.2006.314378 dblp:conf/ro-man/ClodicFACBBCDDE06 fatcat:mmj34rvu2fcv5nurjpfy7rfysy
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