Preprint

2024
Fast LiDAR Upsampling using Conditional Diffusion Models
Sander Elias Magnussen Helgesen, Kazuto Nakashima, Jim Tørresen, Ryo Kurazume
arXiv:2405.04889, 2024
arXiv
2023
LiDAR Data Synthesis with Denoising Diffusion Probabilistic Models
2022
Generative Range Imaging for Learning Scene Priors of 3D LiDAR Data
2021
Learning to Drop Points for LiDAR Scan Synthesis

Journal (refereed)

2023
Learning Viewpoint-Invariant Features for LiDAR-Based Gait Recognition
Jeongho Ahn, Kazuto Nakashima, Koki Yoshino, Yumi Iwashita, Ryo Kurazume
IEEE Access, 2023
Paper
2020
Lifelogging Caption Generation via Fourth-Person Vision in a Human-Robot Symbiotic Environment
Kazuto Nakashima, Yumi Iwashita, Ryo Kurazume
ROBOMECH Journal, 2020
Paper
Virtual IR Sensing for Planetary Rovers: Improved Terrain Classification and Thermal Inertia Estimation
Yumi Iwashita, Kazuto Nakashima, Joseph Gatto, Shoya Higa, Norris Khoo, Ryo Kurazume, Adrian Stoica
IEEE Robotics and Automation Letters (RA-L), 2020
Paper
Presented at IROS 2020
2019
Fukuoka Datasets for Place Categorization
Oscar Martinez Mozos, Kazuto Nakashima, Hojung Jung, Yumi Iwashita, Ryo Kurazume
International Journal of Robotics Research (IJRR), 2019
Project Paper
2018
Learning Geometric and Photometric Features from Panoramic LiDAR Scans for Outdoor Place Categorization
Kazuto Nakashima, Hojung Jung, Yuki Oto, Yumi Iwashita, Ryo Kurazume, Oscar Martinez Mozos
Advanced Robotics (AR), 2018
Project Paper Code

International Conference (refereed)

2024
LiDAR Data Synthesis with Denoising Diffusion Probabilistic Models
Kazuto Nakashima, Ryo Kurazume
IEEE International Conference on Robotics and Automation (ICRA), 2024
Project arXiv Code Demo Slide Poster
ROS2-TMS for Construction: CPS platform for earthwork sites
Ryuichi Maeda, Kohei Matsumoto, Tomoya Kouno, Tomoya Itsuka, Kazuto Nakashima, Yusuke Tamaishi, Ryo Kurazume
International Symposium on Artificial Life and Robotics (AROB), 2024
Development of a Retrofit Backhoe Teleoperation System using Cat Command
Koshi Shibata, Yuki Nishiura, Yusuke Tamaishi, Kohei Matsumoto, Kazuto Nakashima, Ryo Kurazume
IEEE/SICE International Symposium on System Integration (SII), 2024
2023
Evaluation of Ground Stiffness using Multiple Accelerometers on the Ground during Compaction by Vibratory Rollers
Yusuke Tamaishi, Kentaro Fukuda, Kazuto Nakashima, Ryuichi Maeda, Kohei Matsumoto, Ryo Kurazume
International Symposium on Automation and Robotics in Construction (ISARC), 2023
Paper
Analysis of Force Applied to Horizontal and Vertical Handrails with Impaired Motor Function
Ryoya Kihara, Qi An, Kensuke Takita, Shu Ishiguro, Kazuto Nakashima, Ryo Kurazume
IEEE/SICE International Symposium on System Integrations (SII), 2023
Paper
Generative Range Imaging for Learning Scene Priors of 3D LiDAR Data
Kazuto Nakashima, Yumi Iwashita, Ryo Kurazume
IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), 2023
Project Paper arXiv Code Slide Poster
2022
Understanding Humanitude Care for Sit-To-Stand Motion by Wearable Sensors
Qi An, Akito Tanaka, Kazuto Nakashima, Hidenobu Sumioka, Masahiro Shiomi, Ryo Kurazume
IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2022
Paper
2V-Gait: Gait Recognition Using 3D LiDAR Robust to Changes in Walking Direction and Measurement Distance
Jeongho Ahn, Kazuto Nakashima, Koki Yoshino, Yumi Iwashita, Ryo Kurazume
IEEE/SICE International Symposium on System Integration (SII), 2022
Paper
Gait Recognition using Identity-Aware Adversarial Data Augmentation
Koki Yoshino, Kazuto Nakashima, Jeongho Ahn, Yumi Iwashita, Ryo Kurazume
IEEE/SICE International Symposium on System Integration (SII), 2022
Paper
2021
Learning to Drop Points for LiDAR Scan Synthesis
Kazuto Nakashima, Ryo Kurazume
IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2021
Project Paper arXiv Code Slide
2019
MU-Net: Deep Learning-Based Thermal IR Image Estimation From RGB Image
Yumi Iwashita, Kazuto Nakashima, Sir Rafol, Adrian Stoica, Ryo Kurazume
IEEE/CVF Computer Vision and Pattern Recognition Conference Workshops (CVPRW), 2019
Project Paper
TU-Net and TDeepLab: Deep Learning-based Terrain Classification Robust to Illumination Changes, Combining Visible and Thermal Imagery
Yumi Iwashita, Kazuto Nakashima, Adrian Stoica, Ryo Kurazume
IEEE Conference on Multimedia Information Processing and Retrieval (MIPR), 2019
Project Paper
2018
Fourth-person Captioning: Describing Daily Events by Uni-supervised and Tri-regularized Training
Kazuto Nakashima, Yumi Iwashita, Akihiro Kawamura, Ryo Kurazume
IEEE International Conference on Systems, Man, and Cybernetics (SMC), 2018
Paper
Virtual Sensors Determined Through Machine Learning
Yumi Iwashita, Adrian Stoica, Kazuto Nakashima, Ryo Kurazume, Jim Torresen
World Automation Congress (WAC), 2018
Paper
2017
Recognizing Outdoor Scenes by Convolutional Features of Omni-Directional LiDAR Scans
Kazuto Nakashima, Seungwoo Nham, Hojung Jung, Yumi Iwashita, Ryo Kurazume, Oscar M Mozos
IEEE/SICE International Symposium on System Integration (SII), 2017
Paper
Previewed Reality: Near-Future Perception System
Yuta Horikawa, Asuka Egashira, Kazuto Nakashima, Akihiro Kawamura, Ryo Kurazume
IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2017
Paper
Feasibility Study of IoRT Platform "Big Sensor Box"
Ryo Kurazume, Yoonseok Pyo, Kazuto Nakashima, Akihiro Kawamura, Tokuo Tsuji
IEEE International Conference on Robotics and Automation (ICRA), 2017
Project Paper Code
Finalist of Best Service Robotics Paper Award
2016
Automatic Houseware Registration System for Informationally-Structured Environment
Kazuto Nakashima, Julien Girard, Yumi Iwashita, Ryo Kurazume
IEEE/SICE International Symposium on System Integration (SII), 2016
Paper
2015
Fourth-Person Sensing for a Service Robot
Kazuto Nakashima, Yumi Iwashita, Pyo Yoonseok, Asamichi Takamine, Ryo Kurazume
IEEE Sensors, 2015
Paper
2014
Fourth-Person Sensing for Pro-active Services
Yumi Iwashita, Kazuto Nakashima, Yoonseok Pyo, Ryo Kurazume
International Conference on Emerging Security Technologies (EST), 2014
Paper

Workshop (non-refereed)

2019
Multi-perspective Image Captioning for Human-Robot Symbiotic Scenes
Kazuto Nakashima, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2019
Contribution Award
CNN based Beach Litter Classification using LiDAR
Beomjoon Lee, Kazuto Nakashima, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2019
2018
Describing Daily Events in Intelligent Space via Fourth-person Perspective Images
Kazuto Nakashima, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2018
Best Poster Presentation Award
A CNN-based Gait Recognition Robust to Low Resolution Images using Inter-image Difference
Naoki Setoguchi, Kazuto Nakashima, Wu Tong, Yumi Iwashita, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2018
2017
Previewed Reality: Near-Future Perception System
Yuta Horikawa, Asuka Egashira, Kazuto Nakashima, Akihiro Kawamura, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2017
Navigation System of Personal Mobility in Informationally Structured/Unstructured Environments
Yuuta Watanabe, Akio Shigekane, Kohei Matsumoto, Yongjin Jung, Kazuto Nakashima, Akihiro Kawamura, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2017
2016
Houseware Detection using Wearable Camera
Kazuto Nakashima, Yumi Iwashita, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2016
Gait Recognition using Convolutional Neural Networks
Tong Wu, Kazuto Nakashima, Yumi Iwashita, Ryo Kurazume
Joint Workshop on Machine Perception and Robotics (MPR), 2016