[Under review]
- Yonghyun Lee, S. Hong, M. Kim, G. Kim, and Changjoo Nam, "Grasping Deformable Objects via Reinforcement Learning with Cross-Modal Attention to Visuo-Tactile Inputs," under revision, IEEE Robotics and Automation Letters, 2023.
- Youngjun Lee, G. Kim, and Changjoo Nam, "Semi-Decentralized Control of Multi-Robot System for Autonomous Navigation via Multi-Agent Reinforcement Learning," Intelligent Service Robotics (ISR), under review, 2024.
- S. Choeng, J. Ahn, C. Kim, and Changjoo Nam, "Object rearrangement inside cluttered and confined spaces for robotic manipulation," Intelligent Service Robotics (ISR), under review, 2024.
- J. Sim, S. Lim, and Changjoo Nam, "ST-CBS: Spatio-Temporal Conflict Based Search in Continuous Space for Multi-Agent Pathfinding," under review, IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), under review, 2024.
- S. Lee, J. Sim, and Changjoo Nam, "Very Large-scale Multi-Robot Task Allocation in Challenging Environments via Robot Redistribution," under review, IEEE Transactions on Automation and Science Engineering (T-ASE), under review, 2024.
- J. Sim, J. Kim, and Changjoo Nam, "Safe Interval RRT* for Scalable Multi-Robot Path Planning in Continuous Space, " under review, 2024.
[Selected publications]
2024
- J. Kang and Changjoo Nam, "A Measure of Semantic Class Difference for Point Correspondences in Camera Pose Estimation," IEEE Trans. on Industrial Informatics (T-II), 2024. (JCR top 2.3%) (preprint)
2023
- D. Kang, Changjoo Nam, and S. S. Kwak, "Robot Feedback Design for Response Delay," Int. Journal of Social Robotics (IJSR), 2023.
- B.-S. Park, S.-M. Im, H. Lee, Y. T. Lee, Changjoo Nam, S. Hong, M. Kim, "Visual and Tactile Perception Techniques for Braille Recognition," Micro and Nano Systems Letters, 2023.
- Jeeho Ahn, Sebin Lee, and Changjoo Nam, "Coordination of multiple mobile manipulators for ordered sorting of cluttered objects," IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), 2023.
- Joonyeol Sim and Changjoo Nam, "ST-CBS: Space-Time Conflict Based Search in Continuous Space for Multi-Agent Path Finding," Robotics: Science and Systems (RSS) Workshop on Multi-Agent Planning and Navigation in Challenging Environments, 2023.
- Joonkyung Kim and Changjoo Nam, "Room for me?: Mobile navigation for entering a confined space using deep reinforcement learning," Int. Conf. on Ubiquitous Robots (UR), 2023.
- C. Choe, S. Ahn, N. Doh, and Changjoo Nam, "Reduction of LiDAR point cloud maps for localization of resource-constrained robotic systems," IEEE Systems Journal, 2023. (JCR Q1) (preprint)
2022
- J. Lee, Changjoo Nam, J. Park, and C. Kim, "Efficient Planning for Object Rearrangement by Local and Optimal Search in Clutter," IEEE Access, 2022.
- J. Lee, U. Rakhman, Changjoo Nam, S. Kang, J. Park, and C. Kim, "High Dimensional Object Rearrangement for Robot Manipulation in Highly Dense Configurations," Intelligent Service Robotics (ISR), 2022.
- D. Yang, Y.-J. Chae, D. Kim, Y. Lim, D. H. Kim, C. Kim, S.-K. Park, and Changjoo Nam, "Effects of social behaviors of robots in privacy-sensitive situations," Int. Journal of Social Robotics (IJSR), 2022. (JCR Q1) (preprint)
- Y.-J. Chae, Changjoo Nam, D. Yang, H. Sin, C. Kim, and S.-K. Park, "Generation of co-speech gestures of robot based on morphemic analysis," Robotics and Autonomous Systems (RAS), 2022.
- J. Ahn, C. Kim, and Changjoo Nam, "Coordination of two robotic manipulators for object retrieval in clutter," IEEE Int. Conf. on Robotics and Automation (ICRA), 2022. (BK21+ CS Top Conference)
2021
- S. Cheong, B. Y. Cho, J. Lee, J. Lee, D. H. Kim, Changjoo Nam, C. Kim, and S.-K. Park, "Obstacle Rearrangement for Manipulation in Clutter using a Deep Q Network," Intelligent Service Robotics (ISR), Aug 2021.
- U. Rakhman, J. Ahn, and Changjoo Nam, "Fully automatic data collection for neuro-symbolic task planning for mobile robot navigation," IEEE Int. Conf. on Systems, Man, and Cybernetics (SMC), Oct 2021. (preprint)
- J. Ahn, J. Lee, S. H. Cheong, C. Kim, Changjoo Nam, "An integrated approach for determining objects to be relocated and their goal positions inside clutter for object retrieval," IEEE Int. Conf. on Robotics and Automation (ICRA), Jun 2021. (BK21+ CS Top Conference) (preprint)
- J. Lee, Changjoo Nam, J. Park, C. Kim, "Tree Search-based Task and Motion Planning with Prehensile and Non-prehensile Manipulation for Obstacle Rearrangement in Clutter," IEEE Int. Conf. on Robotics and Automation (ICRA), Jun 2021. (BK21+ CS Top Conference) (preprint)
- Changjoo Nam, S. H. Cheong, J. Lee, D. H. Kim, and C. Kim, "Fast and resilient manipulation planning for object retrieval in cluttered and confined environments," IEEE Trans. on Robotics, Feb 2021. (JCR Q1) (preprint)
2020
- Changjoo Nam, S. Lee, J. Lee, S. H. Cheong, D. H. Kim, C. Kim, I. Kim, and S.-K. Park, “A software architecture for service robots manipulating objects in human environments,” IEEE Access, Jun 2020.
- Changjoo Nam, P. Walker, H. Li, M. Lewis, and K. Sycara, "Models of Trust in Human Control of Swarms with Varied Levels of Autonomy," IEEE Trans. on Human-Machine Systems (T-HMS), May 2020.
- Changjoo Nam and D. A. Shell, “Robots in the Huddle: Upfront Computation to Reduce Global Communication at Run-time in Multi-Robot Task Allocation,” IEEE Trans. on Robotics (T-RO), Feb 2020. (JCR Q1)
- Changjoo Nam, J. Lee, S. Cheong, B. Y. Cho, and C. Kim, “Fast and resilient manipulation planning for target retrieval in clutter,” IEEE Int. Conf. on Robotics and Automation (ICRA), Jun 2020. (BK21+ CS Top Conference)
- S. Cheong, B. Y. Cho, J. Lee, C. Kim, and Changjoo Nam, “Where to relocate?: Object rearrangement inside cluttered and confined environments for robotic manipulation,” IEEE Int. Conf. on Robotics and Automation (ICRA), Jun 2020. (BK21+ CS Top Conference)
2019
- J. Lee, Y. Cho, Changjoo Nam, J. H. Park, and C. Kim, “Efficient Obstacle Rearrangement for Object Manipulation Tasks in Cluttered Environments,” IEEE Int. Conf. on Robotics and Automation (ICRA), May 2019. (BK21+ CS Top Conference)
- W. Luo, Changjoo Nam, G. Kantor, and K. Sycara, “Decentralized Environmental Modeling and Adaptive Sampling for Multi-Robot Sensor Coverage,” Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS), May 2019. (BK21+ CS Top Conference )
- R. Liu, F. Jia, W. Luo, M. Chandarana, Changjoo Nam, M. Lewis, and K. Sycara, “Trust-Aware Behavior Reflection for Robot Swarm Self-Healing,” Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS), May 2019. (BK21+ CS Top Conference )
2018
- S. Yi, Changjoo Nam, and K. Sycara, “Indoor Pursuit-Evasion with Hybrid Hierarchical Partially Observable Markov Decision Processes for Multi-Robot Systems,” Int. Symp. on Distributed Autonomous Robotic Systems (DARS), Oct 2018.
- Changjoo Nam, H. Li, S. Li, M. Lewis, and K. Sycara, “Trust of Humans in Supervisory Control of Swarm Robots with Varied Levels of Autonomy,” IEEE Int. Conf. on Systems, Man, and Cybernetics (SMC), Oct 2018.
- J. Bang, H. Li, S. Nagavalli, Changjoo Nam, M. Lewis, and K. Sycara, “Human Interaction Through an Optimal Sequencer to Control Robotic Swarms,” IEEE Int. Conf. on Systems, Man, and Cybernetics (SMC), Oct 2018.
- K. Lee, S.-H. Ryu, Changjoo Nam and N. L. Doh, "A practical 2D/3D SLAM using directional patterns of an indoor structure," Intelligent Service Robotics (ISR), Jan 2018. (Best paper award)
2017
- W. Luo, Changjoo Nam, K. Sycara, “Online Decision Making for Stream-based Robotic Sampling via Submodular Optimization,” IEEE Int. Conf. on Multisensor Fusion and Integration for Intelligent Systems (MFI), Nov 2017. (preprint)
- Changjoo Nam, P. Walker, M. Lewis, and K. Sycara, "Predicting Trust in Human Control of Swarms via Inverse Reinforcement Learning," IEEE Int. Conf. on Robot and Human Interactive Communication (RO-MAN), Aug 2017.
- Changjoo Nam and D. A. Shell, "Analyzing the sensitivity of the optimal assignment in probabilistic multi-robot task allocation," IEEE Robotics and Automation Letters (RA-L), Jan 2017.
Before 2017
- Changjoo Nam and D. A. Shell, "Bundling policies for sequential stochastic tasks in multi-robot systems," Int. Symp. on Distributed Autonomous Robotic Systems (DARS), Nov 2016.
- Changjoo Nam and D. A. Shell, "Assignment Algorithms for Modeling Resource Contention in Multi-Robot Task Allocation," IEEE Trans. on Automation Science and Engineering (T-ASE), Jul 2015. (JCR Q1)
- Changjoo Nam and D. A. Shell, "When to do your own thing: Analysis of cost uncertainties in multi-robot task allocation at run-time," IEEE Int. Conf. on Robotics and Automation (ICRA), May 2015. (BK21+ CS Top Conference)
- Changjoo Nam and D. A. Shell, "Assignment Algorithms for Modeling Resource Contention and Interference in Multi-Robot Task-Allocation," IEEE Int. Conf. on Robotics and Automation (ICRA), pp. 2158--2163, Hong Kong, China, May 2014. (BK21+ CS Top Conference)
- T. Kang, Changjoo Nam, U. Lee, N. L. Doh, G. Park, "Development of Robotic-Crane based Automatic Construction System for Steel Structures of High-rise Buildings," Int. Symp. on Automation and Robotics in Construction (ISARC), Jun 2011.
- S. K. Lee, S. Lee, Changjoo Nam, and N. L. Doh, "Local Path Planning Scheme for Car-like Vehicle's Shortest Turning Motion Using Geometric Analysis," IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), Oct 2010.
- N. L. Doh, K.Y. Lee and Changjoo Nam, "Novel Line Representation with Consistent Second Order Statistics for SLAM Application," Int. Conf. on Advanced Mechatronics (ICAM), Oct 2010.
- Y. H. Lee, J. Jin, Changjoo Nam, J. Kim and N. L. Doh, "Development of Minimal Grasper: Preliminary result of a simple and flexible enveloping grasper," IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), Oct 2009.
- Y. H. Lee, Changjoo Nam, K. Y. Lee, Y. Li, S. Y. Yeon and N. L. Doh, "VPass: Algorithmic Compass using Vanishing Points in Indoor Environments," IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS), Oct 2009.