Results 11 to 20 of about 5,999,373 (245)

A Novel Walking Detection and Step Counting Algorithm Using Unconstrained Smartphones

Sensors, 2018
Recently, with the development of artificial intelligence technologies and the popularity of mobile devices, walking detection and step counting have gained much attention since they play an important role in the fields of equipment positioning, saving ...
Xiaomin Kang, Baoqi Huang, Guodong Qi
doaj   +3 more sources

One-step detection of circulating tumor cells in ovarian cancer using enhanced fluorescent silica nanoparticles

International Journal of Nanomedicine, 2013
Jin Hyun Kim,1,* Hyun Hoon Chung,2,* Min Sook Jeong,1 Mi Ryoung Song,1 Keon Wook Kang,3,4 Jun Sung Kim1 1R&D Center, Biterials Co, Ltd, Seoul, Republic of Korea; 2Department of Obstetrics and Gynecology, Seoul National University College of Medicine,
Kim JH, Chung HH, Jeong MS, Song MR, Kang KW, Kim JS   +5 more
doaj   +1 more source

Pedestrian Dead Reckoning for Multiple Walking Styles Using Classifier-Based Step Detection

IEEE Journal of Indoor and Seamless Positioning and Navigation, 2023
Traditional pedestrian dead reckoning (PDR) systems have been designed for scenarios where users walk straight ahead. However, user behavior observation at the museum revealed that users often stop or walk sideways to look at the exhibits.
Ibuki Yoshida, Takumi Suzaki, Hiroaki Murakami, Hiroki Watanabe, Mananari Nakamura, Hiromichi Hashizume, Masanori Sugimoto   +6 more
doaj   +1 more source

Smartphone-Based Unconstrained Step Detection Fusing a Variable Sliding Window and an Adaptive Threshold

Remote Sensing, 2022
Step detection for smartphones plays an important role in the pedestrian dead reckoning (PDR) for indoor positioning. Aiming at the problem of low step detection accuracy of smartphones in complex unconstrained states in PDR, smartphone-based ...
Ying Xu, Guofeng Li, Zeyu Li, Hao Yu, Jianhui Cui, Jin Wang, Yu Chen   +6 more
doaj   +1 more source

S-PDR: SBAUPT-Based Pedestrian Dead Reckoning Algorithm for Free-Moving Handheld Devices

Geomatics, 2021
Mobile location-based services (MLBS) are attracting attention for their potential public and personal use for a variety of applications such as location-based advertisement, smart shopping, smart cities, health applications, emergency response, and even
Maan Khedr, Naser El-Sheimy
doaj   +1 more source

Field based assessment of a tri-axial accelerometers validity to identify steps and reliability to quantify external load

Frontiers in Physiology, 2022
Background: The monitoring of accelerometry derived load has received increased attention in recent years. However, the ability of such measures to quantify training load during sport-related activities is not well established.
Abdulmalek K. Bursais, Abdulmalek K. Bursais, Jeremy A. Gentles, Naif M. Albujulaya, Naif M. Albujulaya, Michael H. Stone   +5 more
doaj   +1 more source

PDR algorithm for precise positioning of underground personnel based on LSTM personalized step size estimation

Gong-kuang zidonghua, 2022
The traditional pedestrian dead reckoning (PDR) algorithm has low positioning precision due to the accumulated errors of step size and heading, which can not meet the requirements of precise positioning of underground personnel.
GUO Qianqian, CUI Lizhen, YANG Yong, HE Jiaxing, SHI Mingquan   +4 more
doaj   +1 more source

Step-Counting Accuracy of a Commercial Smartwatch in Mild-to-Moderate PD Patients and Effect of Spatiotemporal Gait Parameters, Laterality of Symptoms, Pharmacological State, and Clinical Variables

Sensors, 2022
Commercial smartwatches could be useful for step counting and monitoring ambulatory activity. However, in Parkinson’s disease (PD) patients, an altered gait, pharmacological condition, and symptoms lateralization may affect their accuracy and potential ...
Edoardo Bianchini, Bianca Caliò, Marika Alborghetti, Domiziana Rinaldi, Clint Hansen, Nicolas Vuillerme, Walter Maetzler, Francesco E. Pontieri   +7 more
doaj   +1 more source

Motion Mode Recognition and Step Detection Algorithms for Mobile Phone Users

Sensors, 2013
Microelectromechanical Systems (MEMS) technology is playing a key role in the design of the new generation of smartphones. Thanks to their reduced size, reduced power consumption, MEMS sensors can be embedded in above mobile devices for increasing their ...
Gérard Lachapelle, Valérie Renaudin, Melania Susi   +2 more
doaj   +1 more source

Video shot boundary detection: seven years of TRECVid activity [PDF]

, 2010
Shot boundary detection (SBD) is the process of automatically detecting the boundaries between shots in video. It is a problem which has attracted much attention since video became available in digital form as it is an essential pre-processing step to ...
Over, Paul, Over, P, Doherty, AR, Smeaton, Alan F., Doherty, Aiden R., Smeaton, AF   +5 more
core   +2 more sources