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360° Depth Estimation from Multiple Fisheye Images with Origami Crown Representation of Icosahedron Bird’s-eye View Image Generation with Camera Malfunction in Irradiation Environment Simultaneous tele-visualization of construction machine and environment using body mounted cameras Visualization of Obstacles on Bird’s-eye ViewUsing Depth Sensor for Remote Controlled Robot Acceptance and Practical Use of Assistive Technologies for Frail Seniors and Caregivers: Interview Surveys on Nursing Homes

Ren Komatsu

Robotics Projects & Research Papers

Ren Komatsu

Robotics Projects & Research Papers

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Publication

Path Planning for Localization of Radiation Sources Based on Principal Component Analysis

In this paper, we propose a path planning method for the localization of radiation sources using a mobile robot equipped with an imaging gamma-ray detector, which has a field of…

Publication

Leakage Position Estimation of Cooling Water Using a Stereo Camera for Fukushima Daiichi Nuclear Power Plant

In this study, a new method of estimating the leakage positions of cooling water using a stereo camera for the Fukushima Daiichi Nuclear Power Plant (FDNPP) is proposed. A stereo…

Publication

Radiation distribution estimation with a non-directional detector using a plane source model

The Fukushima Daiichi nuclear disaster occurred during the Great East Japan Earthquake. Inside the reactor, materials with high radioactivity were scattered entirely, leading to a severe condition that restricted the…

Publication

Applying Albedo Estimation and Implicit Neural Representations to Well-Posed Shape From Shading

We present a method that improves the accuracy of depth maps by combining albedo estimation and implicit neural representations to the well-posed shape from shading. Because the estimation of depth…

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Research

  • Robotics for Constructions
  • Robotics for Nuclear Application
  • Dense Depth Prediction Using Multiple Fisheye Cameras
  • Free Viewpoint Image Generation for Robot Teleoperation

Selected Papers

  • IROS 2020: 360° Depth Estimation from Multiple Fisheye Images with Origami Crown Representation of Icosahedron
  • ROBOMECH Journal 2020: Free Viewpoint Image Generation System Using Fisheye Cameras and a Laser Rangefinder for Indoor Robot Teleoperation
  • IEEE Access 2019: Octave Deep Plane-sweeping Network: Reducing Spatial Redundancy for Learning-based Plane-sweeping Stereo

Ren Komatsu

Robotics Projects & Research Papers

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