Led iterations for various CV annotation tools (active learning, 2D Mask, 3D segmentation, SAM2-based video tracking), achieving **91+% multi-class tagging accuracy for 20,000 images** and increasing 2D bounding box annotation speed by **over 160%**.
Managed iterations for platform business functionalities including performance statistics, issue feedback, and permission page reconstruction, significantly improving project manager efficiency in annotation project billing through full business closed-loop implementation.
Actively participated in sales training and customer Q&A for CV annotation tools, contributing to increased sales order volume and resolving multiple customer queries by collecting real-time feedback.