Yang-Che (Jay) Sun

Education

National Yang Ming Chiao Tung University

Sep 2022 – Jun 2028 (expected)

B.S. in Medicine and Computer Science (Double Major)

Taipei, Taiwan

Research & Publications

Scal3R

ECCV 2026

Learning Efficient Multi-Relative Pose Query for Scalable Online 3D Reconstruction

Chin-Yang Lin, Yang-Che Sun, Cheng Sun, Fu-En Yang, Min-Hung Chen, Yen-Yu Lin, Wei-Chen Chiu, Yu-Lun Liu

Scalable online 3D reconstruction with lightweight relative-pose queries on a frozen backbone. Combines multiple reference keyframes, pose-graph optimization, and loop closure to reduce drift over long video sequences.

Paper Code Project Video

FIPER

NeurIPS 2025 · Main Conference

Factorized Features for Robust Image Super-Resolution and Compression

Yang-Che Sun, Cheng Yu Yeo, Ernie Chu, Jun-Cheng Chen, Yu-Lun Liu

A learnable basis–coefficient representation with multi-level frequency decomposition to reconstruct fine image details. Achieved state-of-the-art performance on image super-resolution and compression.

National Science and Technology Council (NSTC) Research Project

Project Paper Code

3AM tracks a prompted object consistently across different viewpoints in a scene. — 3AM overview · CC BY-SA 4.0

3AM

arXiv 2026

3egment Anything with Geometric Consistency in Videos

Yang-Che Sun, Cheng Sun, Chin-Yang Lin, Fu-En Yang, Min-Hung Chen, Yen-Yu Lin, Yu-Lun Liu

Integrates 3D-aware features and geometry-aware sampling to track objects consistently across large viewpoint changes in videos, using only RGB input at inference.

Project Paper Demo

Experience

Dcard

Jul 2023 – Dec 2023

Machine Learning Intern · Taipei, Taiwan

Redesigned article recommendation models using user behavior insights, improving CTR by 30%.
Addressed offline–online data distribution differences through diverse sampling, anomaly detection, and continuous learning.
Built end-to-end MLOps and data transformation pipelines with CircleCI and Airflow on GCP.
Migrated PostgreSQL and ANN-based embedding search to Milvus, making search 10× faster and improving CTR / PV by 10%.

National Tsing Hua University

Oct 2022 – Sep 2025

Research Assistant · Hsinchu, Taiwan

Sensing and Photocatalysis Nanomaterials Laboratory

Developed real-time NO₂ and O₃ concentration prediction models using Transformers, statistical time-series models, and tree-based ensembles.
Deployed a quantized Transformer model on Android for real-time prediction.
20th National Innovation Award — Academic Creation Award

Academia Sinica

Jul 2023 – Aug 2024

Summer Research Intern & Research Assistant · Taipei, Taiwan

Studied text-driven NeRF stylization with real-time, feed-forward inference, avoiding per-scene optimization.
Proposed a deformation-field formulation for super-resolution and image compression, leading to work accepted at the NeurIPS 2025 main conference.

National Tsing Hua University

Oct 2022 – Apr 2023

Research Assistant · Hsinchu, Taiwan

Institute of Learning Sciences and Technologies

Built an artistic image-to-emotional-text generation model with CLIP and GPT-2 on the ArtEmis dataset.
Designed embedding transformation adapters to bridge the latent spaces of CLIP ViT and GPT.

Projects

Helmet Detection App

Maichu Hackathon 2023

An on-device app that detects whether construction workers wear helmets correctly and notifies management. Fine-tuned YOLOv5 and deployed to Android with CI/CD.

Second place, Maichu Hackathon 2023.

Lease Notary

ETHTaipei 2025

Moved paper-based rental agreements onto the blockchain as lease contracts.

ETHPaymaster

ETHTaipei 2024

A decentralized paymaster built with account abstraction, giving users control over transaction sponsorship.

Autopass

ETHTaipei 2023

A cryptocurrency fare-payment option for drivers, designed with vehicle owners’ security in mind.