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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

Estimation of Radiation Source Distribution Using Structure Information for Fukushima Daiichi Nuclear Power Plant Reactor

This study proposes a highly accurate method for estimating the distribution of radiation sources, using a particle filter of the Bayesian estimation framework, which incorporates the structural information of the…

Publication

Viewpoint Selection without Subject Experiments for Teleoperation of Robot Arm in Reaching Task Using Reinforcement Learning

In this study, we proposed a method to evaluate the viewpoint of a robot arm in a reaching movement using reinforcement learning. The optimal viewpoint for operators in teleoperation was…

Publication

Solving Well-posed Shape from Shading Problem Using Implicit Neural Representations

⭐ Best Student Paper Award We propose a method for solving well-posed shape from shading problem by using implicit neural representations. We build an image irradiance equation and solve the…

Publication

Reinforcement Learning-based Motion Generation for a Tracked Robot to Go Over a Sphere-shaped Non-fixed Obstacle

Tracked robots have high traversability over rough terrain. However, even for such robots, it is still challenging to traverse terrain with non-fixed obstacles which may move when the robots go…

Publication

Pose Estimation for Event Camera Using Charuco Board Based on Image Reconstruction

Event cameras offer attractive properties compared to conventional frame-based cameras, such as high temporal resolution, very high dynamic range, and low power consumption. Thanks to these characteristics, event cameras have…

Publication

Performance-Based Earthmoving Team Organization Algorithm Enabling Task Completion under Changing Conditions

Proceedings of the 2024 IEEE/SICE International Symposium on System Integration, 2024.

Publication

Action Recognition of Excavator Using Physical Simulator and Real Image Data with Class-dependent Data Augmentation

Proceedings of the 2024 IEEE/SICE International Symposium on System Integration, 2024

Publication

Octave Deep Plane-Sweeping Network: Reducing Spatial Redundancy for Learning-Based Plane-Sweeping Stereo

In this paper, we propose the octave deep plane-sweeping network (OctDPSNet). OctDPSNet is a novel learning-based plane-sweeping stereo, which drastically reduces the required GPU memory and computation time while achieving…

Publication

Free viewpoint image generation system using fisheye cameras and a laser rangefinder for indoor robot teleoperation

In robot teleoperation, a lack of depth information often results in collisions between the robots and obstacles in its path or surroundings. To address this issue, free viewpoint images can…

Publication

Stereo camera visual SLAM with hierarchical masking and motion-state classification at outdoor construction sites containing large dynamic objects

At modern construction sites, utilizing GNSS (Global Navigation Satellite System) to measure the real-time location and orientation (i.e. pose) of construction machines and navigate them is very common. However, GNSS…

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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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