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Accurate Evaluation of Rotational Angle and Translation Movement of Our Organ-Following Algorithm Based on Depth-Depth Matching

  • Hiroshi Noborio
  • Saiki Kiri
  • Masatoshi Kayaki
  • Masanao Koeda
  • Katsuhiko Onishi
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10902)

Abstract

We present an algorithm, based on simulated annealing, that causes a virtual liver to mimic an actual liver. We evaluate its precision using the concordance rate of range images of both virtual and actual livers. This concordance rate is evaluated by superimposing a range image, in which a liver polyhedron standard triangulated language form is put through graphical z-buffering using the computer graphics of a PC and a depth image of the actual liver taken with Kinect v2. However, when the actual liver moves in a translational and rotational manner, we are unable to evaluate how accurately the concordance rate corresponds to the actual movement. In this study, we first manufacture a mechanical system that moves a replica of an actual liver in a translational and rotational manner for measurement. This system has two translational degrees of freedom (i.e., X, Y) and three rotational degrees of freedom (i.e., yaw, roll, pitch). This enables the system to move the replica of an actual liver in an extremely accurate manner. Next, we precisely move the actual liver and investigate how much the simulated annealing-based algorithm moves the virtual liver, and we evaluate its accuracy. Whereas previous experiments were conducted under fluorescent lamps and sunlight, our experiment is conducted in an operating room lit by two shadow-less lamps. The Kinect v2 captures depth images utilizing a shade filter to prevent interference from the infrared light of the shadow-less lamps. The past concordance rate and precision of the amount of translational and rotational movement are also evaluated.

Keywords

Digital imaging and communications in medicine Virtual liver polyhedron standard triangulated language form Replica of an actual liver Simulated annealing Liver surgery navigator 

Notes

Acknowledgment

This research has been partially supported by the Collaborative Research Fund for Graduate Schools (A) of the Osaka Electro-Communication University, and a Grant-in-Aid for Scientific Research of the Ministry of Education, Culture, Sports, Science and Technology (Research Project Number: JP26289069).

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Hiroshi Noborio
    • 1
  • Saiki Kiri
    • 1
  • Masatoshi Kayaki
    • 1
  • Masanao Koeda
    • 1
  • Katsuhiko Onishi
    • 1
  1. 1.Department of Computer ScienceOsaka Electro-Communication UniversityShijo-NawateJapan

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