Chanha Kim

Hi, I’m Chanha Kim. I am a Ph.D. student in Computer Science and Engineering at Seoul National University, a member of the Intelligent Motion Lab advised by Prof. Jungdam Won. Previously, I received my B.S. in Mathematical Sciences from Seoul National University in 2023.

I am interested in analyzing and synthesizing realistic 3D human motion — recently intrigued by how classical optimization can explore where data-driven approaches cannot reach. My broader interests include physics simulation, character animation, and computer vision.

News

May 2026	My first paper AMOR has been accepted to SIGGRAPH 2026 !
Nov 2025	Honored to receive the AI Seoul Tech Graduate Scholarship for PhD students.

Publications

AMOR: Airborne Motion Reconstruction via Homotopy-Aware Trajectory Optimization

Chanha Kim and Jungdam Won

ACM SIGGRAPH 2026 Conference Proceedings, Los Angeles, USA

Summary Paper Project Code Video Bib

Existing human mesh recovery (HMR) methods struggle with dynamic airborne motions, often producing unstable and unrealistic results. We present a refinement approach that enforces physical consistency by selecting reliable motion segments and applying homotopy-aware trajectory optimization. Experiments on challenging in-the-wild videos show improved realism and stability over prior methods.

@inproceedings{10.1145/3799902.3811070,
  author = {Kim, Chanha and Won, Jungdam},
  title = {AMOR: Airborne Motion Reconstruction via Homotopy-Aware Trajectory Optimization},
  year = {2026},
  isbn = {9798400725548},
  publisher = {Association for Computing Machinery},
  address = {New York, NY, USA},
  url = {https://doi.org/10.1145/3799902.3811070},
  doi = {10.1145/3799902.3811070},
  booktitle = {Proceedings of the Special Interest Group on Computer Graphics and Interactive Techniques Conference Conference Papers},
  articleno = {42},
  numpages = {10},
  location = {Los Angeles, USA},
  series = {SIGGRAPH Conference Papers '26},
}