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Tracking accuracy evaluation of electromagnetic sensor-based colonoscope tracking method
2022
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This paper reports a detailed evaluation results of a colonoscope tracking method. A colonoscope tracking method utilizing electromagnetic sensors and a CT volume has been proposed. ...
In this paper, we evaluated the colonoscope tracking method based on more detailed measurement results of the tracking errors. ...
Tracking accuracy evaluation of electromagnetic
sensor-based colonoscope tracking method ...
doi:10.48550/arxiv.2201.07167
fatcat:gfcftdaleba5dbmh44mfrancty
Machine learning-based colon deformation estimation method for colonoscope tracking
2018
Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling
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The colonoscope shape is obtained using an electromagnetic sensor, and the colon shape is obtained from a CT volume. ...
An estimation method of colon deformations occur during colonoscope insertions is necessary to reduce tracking errors. We propose a colon deformation estimation method. ...
As related work of colonoscope tracking, many bronchoscope tracking methods have been proposed. These methods include image-based and sensor-based ones. ...
doi:10.1117/12.2293936
dblp:conf/miigp/OdaKFMHGNM18
fatcat:fkfu7k2ewrgh3i2432xcggyzim
Colon Shape Estimation Method for Colonoscope Tracking Using Recurrent Neural Networks
[chapter]
2018
Lecture Notes in Computer Science
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2020 pre-print arXiv:2004.13629v1 fatcat:uwfo2bwaunbdfgwe5ytifhinb4
We propose a colon deformation estimation method using RNN and obtain the colonoscope shape from electromagnetic sensors during its insertion into the colon. ...
Previous tracking methods caused large tracking errors at the transverse and sigmoid colons because these areas largely deform during colonoscope insertion. ...
Parts of this research were supported by the MEXT, the JSPS KAKENHI Grant Numbers 26108006, 17H00867, the JSPS Bilateral International Collaboration Grants, and the JST ACT-I (JPMJPR16U9). ...
doi:10.1007/978-3-030-00937-3_21
fatcat:2vwyavnnyjfhfc2jojf7y5wk5u
Colonoscope tracking method based on shape estimation network
2019
Medical Imaging 2019: Image-Guided Procedures, Robotic Interventions, and Modeling
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2020 pre-print arXiv:2004.09056v1 fatcat:5idr6qly6vhqjcixv4pbh5etpu
The proposed tracking method performs mapping of the colonoscope tip position to a position in the colon using estimation results of the SEN. We evaluated the proposed method in a phantom study. ...
Previous colonoscope tracking methods caused large tracking errors because they do not consider deformations of the colon during colonoscope insertions. ...
EXPERIMENTS
Materials We evaluated the proposed colonoscope tracking method in phantom-based experiments. ...
doi:10.1117/12.2512729
dblp:conf/miigp/OdaRKFMHNM19
fatcat:ybbhhqadifavnemewjdn7e2jlm
An optical flow approach to tracking colonoscopy video
2013
Computerized Medical Imaging and Graphics
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We constructed two colon like phantoms, a straight phantom and a curved phantom to measure actual colonoscopy motion; tracking accuracy was quantitatively evaluated by comparing estimated motion parameters ...
We performed extensive evaluation via a colon phantom and clinical colonoscopy data. ...
Ching [12] introduced a commercially available electromagnetic sensor to track an optical colonoscope. Validation experiments using their system on rigid phantoms showed promising results. ...
doi:10.1016/j.compmedimag.2013.01.010
pmid:23490235
fatcat:ug5zowqeznawffjbq4df4xqweu
Pose reconstruction of flexible instruments from endoscopic images using markers
2012
2012 IEEE International Conference on Robotics and Automation
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An experiment was performed in which the instrument was moved inside a colon model, while the tip position was simultaneously measured with an electromagnetic tracking system. ...
The pseudo-inverse of the interaction matrix between the state of the model and the marker positions in the image is used to update the state such that the model will track the real instrument. ...
This is in the same order of magnitude as the accuracy of the electromagnetic tracking system. The orientation accuracy was not evaluated. ...
doi:10.1109/icra.2012.6224631
dblp:conf/icra/ReilinkSM12
fatcat:l75xqmdk25conop5gxi2nqwohm
Bronchoscopy Navigation beyond Electromagnetic Tracking Systems: A Novel Bronchoscope Tracking Prototype
[chapter]
2011
Lecture Notes in Computer Science
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A novel bronchoscope tracking prototype was designed and validated for bronchoscopic navigation. ...
We construct a novel mouth-or nose-piece bronchoscope model to directly measure the movement information of a bronchoscope outside of a patient's body. ...
To evaluate the tracking accuracy of the three methods, we generate two sets of ground truth data (GTD) using manual registration to align the RB and virtual bronchoscopic (VB) viewing points by hand. ...
doi:10.1007/978-3-642-23623-5_25
fatcat:lsi3xqt6tzdkdpaleucunsp4vm
Shape Reconstruction Processes for Interventional Application Devices: State of the Art, Progress, and Future Directions
2021
Frontiers in Robotics and AI
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Yet, the problem of electromagnetic interference in the case of EM sensors, and poor response to high strains in the case of FBG sensors need to be considered. ...
For example, electromagnetic (EM) and Fiber Bragg Grating (FBG) sensor-based shape reconstruction methods can be used in small-scale robots due to their advantages thanks to miniaturization, fast response ...
Ryu et al. proposed a method to reconstruct the shape and evaluate the contact force of a colonoscope (Ryu et al., 2020) . ...
doi:10.3389/frobt.2021.758411
pmid:34869615
pmcid:PMC8640970
fatcat:ai5dvdz42bg77bkdkltc7u4x3i
Electromagnetic Tracking in Medicine—A Review of Technology, Validation, and Applications
2014
IEEE Transactions on Medical Imaging
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The only widely used technique that enables real-time tracking of small objects without lineof-sight restrictions is electromagnetic (EM) tracking. ...
We describe the basic working principles of EM tracking systems, list the main sources of error, and summarize the published studies on tracking accuracy, precision and robustness along with the corresponding ...
The manufacturers of EM tracking systems Northern Digital Inc., Polhemus Inc. and Varian Medical Systems Inc. kindly provided pictures of their products for this publication. ...
doi:10.1109/tmi.2014.2321777
pmid:24816547
fatcat:jqqkworlnngizgomkwi2m6juwa
Front Matter: Volume 9786
2016
Medical Imaging 2016: Image-Guided Procedures, Robotic Interventions, and Modeling
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. The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters. These two-number sets start with 00, 01, 02, 03, 04, ...
Publication of record for individual papers is online in the SPIE Digital Library. SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model. ...
and disparity range stabilization: a comparison of different
feature detectors [9786-47]
9786 1D
Position-based adjustment of landmark-based correspondence finding in electromagnetic
sensor-based ...
doi:10.1117/12.2240097
dblp:conf/miigp/X16
fatcat:e2sr443rvfa7rcz24tfpgb44gy
Modeling and In Vitro Experimental Validation for Kinetics of the Colonoscope in Colonoscopy
2013
Annals of Biomedical Engineering
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The model utilizes an established colon model based on animal tissue with position tracking sensors, contact force sensors for the intraluminal portion of the scope and a Colonoscopy Force Monitor for ...
Although, several solutions such as modifying the stiffness of the colonoscope, using an overtube and developing image-guided instruments have been introduced to resolve the looping problem, the results ...
Development of the CFM was supported by the Grant R44DK068936 from the National Institute Of Diabetes And Digestive And Kidney Diseases. ...
doi:10.1007/s10439-013-0746-1
pmid:23358801
pmcid:PMC3625492
fatcat:d22taktktnhsbm2tjra3qbg3fq
Robust electromagnetically guided endoscopic procedure using enhanced particle swarm optimization for multimodal information fusion
2015
Medical Physics (Lancaster)
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(i.e., computed tomography images) as a frame of reference, endoscopic camera videos, and positional sensor measurements (i.e., electromagnetic sensor outputs). ...
The average guidance accuracy or error of our framework was about 3.0 mm and 5.6 • while the previous methods show at least 3.9 mm and 7.0 • . ...
Evaluation criteria To evaluate the guidance accuracy of different methods, we generated five ground truth datasets (GTDs) by manually adjusting the position and orientation of the virtual camera to qualitatively ...
doi:10.1118/1.4915285
pmid:25832071
fatcat:fvp4z5zw7rgevpkrd642di57wy
Frontiers of robotic endoscopic capsules: a review
2016
Journal of Micro-Bio Robotics
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With the integration of further capabilities based on microrobotics, e.g. active locomotion and embedded therapeutic modules, WCE could become the key-technology for GI diagnosis and treatment. ...
Thus, it has the advantage of encouraging patients to undergo gastrointestinal (GI) tract examinations and of facilitating mass screening programmes. ...
The authors thank all the collaborators of the EndoVESPA EU project (www. endovespa.eu). ...
doi:10.1007/s12213-016-0087-x
pmid:29082124
pmcid:PMC5646258
fatcat:hhlj2giqd5fmbmpos4bdndi6j4
Shape estimation for image-guided surgery with a highly articulated snake robot
2011
2011 IEEE/RSJ International Conference on Intelligent Robots and Systems
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Our algorithm introduces new kinematic models that are used in the prediction step of an extended Kalman filter whose update step incorporates measurements from a 5-DOF electromagnetic tracking sensor ...
A single tracking sensor is sufficient for estimating the shape of the system because the robot is inherently a follow-the-leader mechanism with well defined motion characteristics. ...
the robot from an electromagnetic tracking sensor. ...
doi:10.1109/iros.2011.6048359
fatcat:ozfmxoajjza3bbg2t47gcrpiri
Shape estimation for image-guided surgery with a highly articulated snake robot
2011
2011 IEEE/RSJ International Conference on Intelligent Robots and Systems
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Our algorithm introduces new kinematic models that are used in the prediction step of an extended Kalman filter whose update step incorporates measurements from a 5-DOF electromagnetic tracking sensor ...
A single tracking sensor is sufficient for estimating the shape of the system because the robot is inherently a follow-the-leader mechanism with well defined motion characteristics. ...
the robot from an electromagnetic tracking sensor. ...
doi:10.1109/iros.2011.6094751
dblp:conf/iros/TullyKZC11
fatcat:i52ygpye5bgvzptrhvanykhb6q
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