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μIMU-based handwriting recognition calibration by optical tracking
2007 Edition, December 1, 2007 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A MAG-mulMU which is based on MEMS accelerometers, gyroscopes and magnetometers has been developed for real-time estimation of human hand motions. Appropriate filtering, transformation and sensor fusion techniques are combined in the ubiquitous digital writing instrument (UDWI) to record the...

Coded Light Based Extensible Optical Tracking System
2018 Edition, March 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Optical tracking has become the most commonly used virtual reality (VR) tracking technology because of its high precision and non-contact characteristics. The optical tracking system represented by HTC VIVE has the problem that signals of base...

Multicamera Optical Tracker Assessment for Computer Aided Surgery Applications
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Image-guided interventions enable the surgeon to display the position of instruments and devices with respect to the patient's imaging studies during surgery by means of a tracker device. Optical trackers are commonly chosen for many surgical applications when high...

Digitalized Ultrasonic Inspection By Optical Tracking
2019 Edition, January 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The digitalization of conventional ultrasonic inspection processes for large castings like e.g. gas turbine casings enables an efficient use of various standardized evaluation methods. Thus, digitalization enhances the quality of inspection and reduces the production scrape rate. During inspection...

Dynamically shared optical tracking
2002 Edition, January 1, 2002 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Optical tracking using ARToolkit provides us with the base technology for a wealth of augmented reality applications. However marker-based optical tracking using a single camera has some drawbacks. Markers must be fully visible to the camera all the time to...

Optical Tracking Instrumentation
1958 Edition, Volume 67, April 1, 1958 - Society of Motion Picture and Television Engineers

The basic requirements for optical tracking instruments used in missile test work are outlined and a survey is given of the instrumentation presently in use and under development. Field operating conditions and data reduction aspects and possibilities for future developments to meet...

Generating marker stars for 6D optical tracking
2012 Edition, June 1, 2012 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Visually tracking a large number of objects remains a trade-off between accuracy and amount of data. For applications where high accuracy in both position and orientation of points in space is required, optical tracking systems with passive marker systems are suitable. However,...

2D imaging system with optical tracking for EMI source localization
2015 Edition, March 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This research presents a 2D imaging system with optical tracking to localize radiating sources. Optical tracking system is used for localizing the position of the near field measurement probe. Emission source microscopy (ESM) algorithm derived from synthetic aperture...

Robot-assisted occlusion avoidance for surgical instrument optical tracking system
2015 Edition, August 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Due to the direct line-of-sight constraint, surgical instrument optical tracking system (OTS) suffers occlusion problem caused by the equipments, staff members, or surgical instruments during the operation. To alleviate the burden of surgeons, we propose a robotic platform and...

An Optical-Tracking Calibration Method for MEMS-Based Digital Writing Instrument
2010 Edition, Volume 10, October 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A μIMU which consists of microelectromechanical systems (MEMS) accelerometers, gyroscopes and magnetometers has been developed for real-time estimation of human hand motions. Along with appropriate transformation and filtering algorithms, the μ IMU was implemented as a Ubiquitous Digital...

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