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Model-Based Tracking at 300Hz Using Raw Time-of-Flight Observations

Jan Stuhmer, Sebastian Nowozin, Andrew Fitzgibbon, Richard Szeliski, Travis Perry, Sunil Acharya, Daniel Cremers, Jamie Shotton
2015 2015 IEEE International Conference on Computer Vision (ICCV)  
Model-Based Tracking at 300Hz using Raw Time-of-Flight Observations Jan Stühmer §† , Sebastian Nowozin † , Andrew Fitzgibbon † , Richard Szeliski † , Travis Perry ‡ ,  ...  Phase-based time-of-flight (ToF) sensors in- tail how to perform model-based tracking against these raw fer a low frame-rate stream of depth images from a set of short- captures.  ... 
doi:10.1109/iccv.2015.408 dblp:conf/iccv/StuhmerNFSPACS15 fatcat:355b5pzerjfztahecjffdxymla

Eyesafe Lasers and Their Applications. Recent Improvements in Eyesafe, Solid-State and Coherent Laser Radar Technology

Sammy W. HENDERSON, Kei OTA
1997 The Review of Laser Engineering  
The current status of coherent laser radar systems in our laboratories, using Thulium and Holmium doped solid-state lasers operating near 2 micron wavelength are reviewed.  ...  The remaining 40% of the profiles were collected at sites throughout the USA including: Dayton, Ohio; Edwards Air  ...  This level of performance at an eyesafe wavelength will also be useful for ground-based wind profiling of winds to 20-25km altitudes; hard target ranging and tracking at 50-200km  ... 
doi:10.2184/lsj.25.19 fatcat:easlrbo3lvfi7ja76njk32bmia

Wing and body motion during flight initiation in Drosophila revealed by automated visual tracking

E. I. Fontaine, F. Zabala, M. H. Dickinson, J. W. Burdick
2009 Journal of Experimental Biology  
An accurate geometric fly model is designed using unit quaternions to capture complex body and wing rotations, which are automatically fitted to the images in each time frame.  ...  The fruit fly Drosophila melanogaster is a widely used model organism in studies of genetics, developmental biology and biomechanics.  ...  Will Dickson provided the digitized surface points of a Drosophila body and wings that were used to construct the generative model.  ... 
doi:10.1242/jeb.025379 pmid:19376952 fatcat:us5sheqycvaufcrptoulq2bosq

A modular software architecture for UAVs

Taygun Kekec, Baris Can Ustundag, Mehmet Ali Guney, Alper Yildirim, Mustafa Unel
2013 IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society  
The architecture also allows rapid development of mission-specific third party applications on the vehicle with the help of the core module.  ...  All processing and software development is done on the UAV while state and mission status of the UAV is monitored from a ground station.  ...  For observation purposes, UAV carries a payload for acquiring visual overview of the flight environment.  ... 
doi:10.1109/iecon.2013.6699782 dblp:conf/iecon/KekecUGYU13 fatcat:nmkrdt7rv5b5dhkposjcxlvncu

Dynamic Based Estimator for UAVs with Real-time Identification Using DNN and the Modified Relay Feedback Test [article]

Mohamad Wahbah, Mohamad Chehadeh, Yahya Zweiri
2021 arXiv   pre-print
The designed filters with real-time identified process model parameters are tested experimentally and showed two advantages.  ...  In this paper, we propose two decoupled dynamic model based Extended Kalman Filters for UAVs, that provide high rate estimates for position, and velocity of rotational and translational states, as well  ...  for feedback control at a rate of 300Hz.  ... 
arXiv:2106.07299v1 fatcat:fdk7lpprjvhxlomlrjdg24gzmm

Measurement of Atmospheric CO2 Column Concentrations to Cloud Tops with a Pulsed Multi-wavelength Airborne Lidar

Jianping Mao, Anand Ramanathan, James B. Abshire, S. Randy Kawa, Haris Riris, Graham R. Allan, Michael Rodriguez, William E. Hasselbrack, Xiaoli Sun, Kenji Numata, Jeff Chen, Yonghoon Choi (+1 others)
2017 Atmospheric Measurement Techniques Discussions  
CO<sub>2</sub> from the aircraft to cloud tops more than 90&amp;thinsp;% of the time.  ...  This additional capability of the range-resolved CO<sub>2</sub> IPDA lidar technique provides a new benefit for studying the carbon cycle in future airborne and space-based CO<sub>2</sub> missions.  ...  We gratefully acknowledge the work of the DC-8 team at NASA Armstrong Flight Center for helping plan and conduct the flight campaigns.  ... 
doi:10.5194/amt-2017-204 fatcat:fsdxqwuak5b53cqiwmioh23hca

A Survey on Localization for Mobile Wireless Sensor Networks [chapter]

Isaac Amundson, Xenofon D. Koutsoukos
2009 Lecture Notes in Computer Science  
We conclude with a description of real-world mobile sensor applications that require position estimation.  ...  Not only is localization required to understand sensor data in a spatial context, but also for navigation, a key feature of mobile sensors.  ...  Mobile receivers are then able to compute their location using lateration based on signal time of flight and orbital position data.  ... 
doi:10.1007/978-3-642-04385-7_16 fatcat:wvnumjloczertiq5fzznuau7gi

Aerodynamic imaging by mosquitoes inspires a surface detector for autonomous flying vehicles

Toshiyuki Nakata, Nathan Phillips, Patrício Simões, Ian J. Russell, Jorn A. Cheney, Simon M. Walker, Richard J. Bomphrey
2020 Science  
We used computational fluid dynamics simulations of low-altitude and near-wall flights based on in vivo high-speed kinematic measurements to quantify changes in the self-generated pressure and velocity  ...  cues at the sensitive mechanosensory antennae.  ...  CFD model, we used a dynamic flight simulator based on the incompressible,30 unsteady, three-dimensional Navier-Stokes equations(13, 18, 20).  ... 
doi:10.1126/science.aaz9634 pmid:32381721 fatcat:pj6v4kum2vg4nn44kwmiyvdxbm

Space telescope design to directly image the habitable zone of Alpha Centauri [article]

Eduardo Bendek, Ruslan Belikov, Julien Lozi, Sandrine Thomas, Jared Males, Sasha Weston, Michael McElwain
2015 arXiv   pre-print
The inner edge of Alpha Cen A and B Habitable Zone is found at exceptionally large angular separations of 0.7 and 0.4 arcseconds respectively.  ...  years, to reduce the final noise floor in post processing to 2e-11 levels, enabling high confidence and at least 90 percent completeness detections of Earth-like planets.  ...  ACKNOWLEGMENTS This mission concepts is the result of the effort of large group of people from the NASA Ames Mission Design Center and industrial partners Loral Space Systems and Northrop Grumman Corporation  ... 
arXiv:1510.02489v1 fatcat:tepjyjnoxzg7dah3zgcjru6lym

Human Activity Sensing with Wireless Signals: A Survey

Jiao Liu, Guanlong Teng, Feng Hong
2020 Sensors  
Based on the analysis of existing research, the survey points out seven challenges on wireless human activity sensing research: robustness, non-coexistence of sensing and communications, privacy, multiple  ...  We review and compare existing research of wireless human activity sensing from seven perspectives, including the types of wireless signals, theoretical models, signal preprocessing techniques, activity  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20041210 pmid:32098392 pmcid:PMC7071003 fatcat:yc4npmrnwbculbprwlnyad7hwi

LSTM and Filter Based Comparison Analysis for Indoor Global Localization in UAVs

Abdullah Yusefi, Akif Durdu, Muhammet Fatih Aslan, CemiL Sungur
2021 IEEE Access  
Experimental results show that the proposed filter-based approach combined with a DL approach has promising performance in terms of accuracy and time efficiency in indoor localization of UAVs.  ...  time-efficiency.  ...  It collects the timestamped ground truth position of UAV in dimension of R 3 and orientation in dimension of R 4 at the rate of 300Hz.  ... 
doi:10.1109/access.2021.3049896 fatcat:wy6ylnpexzh7xcfrdjcofp5u4m

Shallow-Water Acoustics

William A. Kuperman, James F. Lynch
2004 Physics today  
A hybrid simulated annealing algorithm is used to search the multi-dimensional model parameter space.  ...  This paper presents results for a different approach based on broadband waveform inversion at a single hydrophone.  ...  ACKNOWLEDGMENT Work supported by Saclantcen and the US Office of Naval Research.  ... 
doi:10.1063/1.1825269 fatcat:bclxnqxsvnh5tfjfgg2viseiau

The Lighthouse Location System for Smart Dust

Kay Römer
2003 Proceedings of the 1st international conference on Mobile systems, applications and services - MobiSys '03  
Using an early 2D prototype of the system, node locations could be estimated with an average accuracy of about 2% and an average standard deviation of about 0.7% of the node's distance to the base station  ...  However, due to the unique characteristics of Smart Dust, traditional localization systems cannot be used.  ...  However, the model equally applies to a system based on deflectable mirrors. The Lighthouse Model We use Figure 5 to explain the lighthouse model.  ... 
doi:10.1145/1066116.1189036 fatcat:n2d4vuxnhzf4han3hw7spkgxgm

An EMG enhanced impedance and force control framework for telerobot operation in space

Ning Wang, Chenguang Yang, Michael R. Lyu, Zhijun Li
2014 2014 IEEE Aerospace Conference  
However, long-range communications usually suffer from the time delay problem caused by the inherent characteristics of communication channels.  ...  We know that in the presence of time delay in sensory feedback pathways, human neural control can easily maintain stability and even to show superior manipulation skills in unstable interaction scenarios  ...  Stuart Manning who provided raw EMG data for analysis, and Mr. Peidong Liang who assisted in setting up the simulation platform and helped to collect EMG signals for simulation.  ... 
doi:10.1109/aero.2014.6836500 fatcat:z43zzhx7jbhllf4or2yomfwgsi

Epidaure: a research project in medical image analysis, simulation, and robotics at INRIA

N. Ayache
2003 IEEE Transactions on Medical Imaging  
computed at the rate of 300Hz [89] , [90] (cf.  ...  At that time, after a first experience of research in Computer Vision [1] in the group of O.  ... 
doi:10.1109/tmi.2003.812863 pmid:14552574 fatcat:wgjxdvge2fhujgybauk2ja54zq
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