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Electrical Engineering and Systems Science > Systems and Control

arXiv:2406.01371 (eess)
[Submitted on 3 Jun 2024]

Title:An Origami-Inspired Endoscopic Capsule with Tactile Perception for Early Tissue Anomaly Detection

Authors:Yukun Ge, Rui Zong, Xiaoshuai Zhang, Thrishantha Nanayakkara
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Abstract:Video Capsule Endoscopy (VCE) is currently one of the most effective methods for detecting intestinal diseases. However, it is challenging to detect early-stage small nodules with this method because they lack obvious color or shape features. In this letter, we present a new origami capsule endoscope to detect early small intestinal nodules using tactile sensing. Four soft tactile sensors made out of piezoresistive material feed four channels of phase-shifted data that are processed using a particle filter. The particle filter uses an importance assignment template designed using experimental data from five known sizes of modules. Moreover, the proposed capsule can use shape changes to passively move forward or backward under peristalsis, enabling it to reach any position in the intestine for detection. Experimental results show that the proposed capsule can detect nodules of more than 3mm diameter with 100% accuracy.
Comments: This work has been submitted to the IEEE for possible publication
Subjects: Systems and Control (eess.SY)
Cite as: arXiv:2406.01371 [eess.SY]
  (or arXiv:2406.01371v1 [eess.SY] for this version)
  https://doi.org/10.48550/arXiv.2406.01371
Journal reference: IEEE Robotics and Automation Letters ( Volume: 9, Issue: 11, November 2024)
Related DOI: https://doi.org/10.1109/LRA.2024.3469821

Submission history

From: Yukun Ge [view email]
[v1] Mon, 3 Jun 2024 14:37:19 UTC (7,802 KB)
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