no code implementations • 3 Apr 2025 • Dong-Sig Han, Jaein Kim, Hee Bin Yoo, Byoung-Tak Zhang
As a result, we propose a simulation-free SB algorithm called Variational Mirrored Schr\"odinger Bridge (VMSB) by utilizing the Wasserstein-Fisher-Rao geometry of the Gaussian mixture parameterization for Schr\"odinger potentials.
no code implementations • 14 Feb 2024 • Won-Seok Choi, Hyundo Lee, Dong-Sig Han, Junseok Park, Heeyeon Koo, Byoung-Tak Zhang
Recent machine learning algorithms have been developed using well-curated datasets, which often require substantial cost and resources.
1 code implementation • 8 Jun 2023 • Hyunseo Kim, Hye Jung Yoon, Minji Kim, Dong-Sig Han, Byoung-Tak Zhang
We evaluate our method on the first-person video benchmark dataset, TREK-150, and on the custom dataset, RMOT-223, that we collect from the UR5e robot.
no code implementations • 31 Oct 2022 • Won-Seok Choi, Dong-Sig Han, Hyundo Lee, Junseok Park, Byoung-Tak Zhang
In Self-Supervised Learning (SSL), it is known that frequent occurrences of the collision in which target data and its negative samples share the same class can decrease performance.
no code implementations • 20 Oct 2022 • Dong-Sig Han, Hyunseo Kim, Hyundo Lee, Je-Hwan Ryu, Byoung-Tak Zhang
Recently, adversarial imitation learning has shown a scalable reward acquisition method for inverse reinforcement learning (IRL) problems.
no code implementations • 1 Jan 2021 • Dong-Sig Han, Hyunseo Kim, Hyundo Lee, Je-Hwan Ryu, Byoung-Tak Zhang
The formulation draws a strong connection between adversarial learning and energy-based reinforcement learning; thus, the architecture is capable of recovering a reward function that induces a multi-modal policy.