Mid-IR absorbance and its relation to static permittivity as a robust in-field tool tracking oil deterioration

2017 ◽  
Author(s):  
Alex Risos ◽  
Nicholas Long ◽  
Arvid Hunze ◽  
Gideon Gouws
Keyword(s):  
Static Permittivity ◽  
Oil Deterioration ◽  
Tool Tracking

Static permittivity, density, speed of sound, and refractive index of 2-propoxyethanol mixtures with water in a wide temperature range

2016 ◽  
Vol 102 ◽  
pp. 164-177 ◽  
Author(s):  
Dorota Chęcińska-Majak ◽  
Krzysztof Klimaszewski ◽  
Marta Stańczyk ◽  
Adam Bald ◽  
Ram Jeewan Sengwa ◽  
...  
Keyword(s):  
Refractive Index ◽  
Speed Of Sound ◽  
Wide Temperature Range ◽  
Static Permittivity ◽  
Temperature Range

scholarly journals Real-time surgical tool tracking and pose estimation using a hybrid cylindrical marker

2017 ◽  
Vol 12 (6) ◽  
pp. 921-930 ◽  
Author(s):  
Lin Zhang ◽  
Menglong Ye ◽  
Po-Ling Chan ◽  
Guang-Zhong Yang
Keyword(s):  
Real Time ◽  
Pose Estimation ◽  
Surgical Tool ◽  
Tool Tracking

scholarly journals Comparative study of oil deterioration during the storage of hake liver and its oil

2004 ◽  
Vol 55 (3) ◽  
Author(s):  
M. A. Grompone ◽  
M. T. Pagano ◽  
Y. Pinchak ◽  
R. Harispe
Keyword(s):  
Comparative Study ◽  
Oil Deterioration

Automatic Initialization and Failure Detection for Surgical Tool Tracking in Retinal Microsurgery

2017 ◽  
pp. 346-351
Author(s):  
Josué Page Vizcaíno ◽  
Nicola Rieke ◽  
David Joseph Tan ◽  
Federico Tombari ◽  
Abouzar Eslami ◽  
...  
Keyword(s):  
Failure Detection ◽  
Automatic Initialization ◽  
Surgical Tool ◽  
Tool Tracking

Integration of Vision and Inertial Sensors for a Surgical Tool Tracking

2006 ◽  
Author(s):  
N. Parnian ◽  
M. F. Golnaraghi
Keyword(s):  
Inertial Sensors ◽  
Vision System ◽  
Estimation Algorithm ◽  
Optical Data ◽  
Mems Devices ◽  
Motion Modeling ◽  
Surgical Tool ◽  
Short Period ◽  
Tool Motion ◽  
Tool Tracking

This paper represents a hybrid Vision/INS system in a microsurgical tool tracking application. Surgical MEMS devices must not only cope with all of the challenges that conventional MEMS devices have, but also address the integration of electronics and signal processing, calibration, reliability, accuracy and testing. A hybrid Vision/INS system with the integration of the Extended Kalman Filter precisely calculates 6D position-orientation of a microsurgical tool during surgery. This configuration guarantees the real-time tracking of the instrument. Ultimately, the vision system supports the IMU to deal with the drift problem but the position error increases dramatically in the absence of the vision system. In this paper, the tool motion modeling is proposed to bind the error in the acceptable range for a short period of missing data. The motion of the tool is modeled and updated at any time that the instrument is in the camera view field. This model is applied to the estimation algorithm whenever the camera is not in line of site and the optical data is missing.

On the Assessment of Dielectric Relaxation Parameters of Liquids

1986 ◽  
Vol 41 (8) ◽  
pp. 1060-1070 ◽  
Author(s):  
A.-H. Beine ◽  
E. Dachwitz ◽  
L. Wodniok ◽  
M. Stockhausen
Keyword(s):  
Dielectric Relaxation ◽  
Spectral Component ◽  
Molecular Size ◽  
Rotational Relaxation ◽  
Static Permittivity ◽  
Relaxation Strength ◽  
Relaxation Parameters ◽  
The Moment ◽  
Theoretical Considerations ◽  
Rotational Relaxation Time

In an attempt to outline roughly the "normal” dielectric relaxation behaviour of polar liquids as a reference for the investigation of more complex (e.g. associating) systems, some theoretical considerations and experimental results (mainly on two component mixtures) are presented. They show that for a distinct spectral component a simple equation can be used which approximately relates the relaxation strength to the moment of the relaxing moiety. The rotational relaxation time is practically not affected by the static permittivity but is correlated to the molecular size and the macroscopic viscosity, thus allowing for conclusions on the effective radius of the tumbling moieties.

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