Hecheng Y.

Key Skills

Software

CVAT

Labelbox

Appen

Top Subject Matter

Virtual Try-On

Human Anatomy

Fashion Domain Expertise

Top Data Types

Image

Text

Video

Top Task Types

Point/Key Point

Segmentation

Polygon

Bounding Box

Freelancer Overview

AI Trainer – E-commerce Platform Human Keypoint & Garment Segmentation. Core strengths include CVAT and Labelbox. Education includes Bachelor of Science, 黔南民族师范学院 (2025). AI-training focus includes data types such as Image and labeling workflows including Point, Key Point, and Segmentation.

Labeling Experience

AI Trainer – E-commerce Platform Human Keypoint & Garment Segmentation

CVATImagePoint/Key Point

As an AI trainer at an e-commerce company, I led high-precision annotation of human key points and garment segmentation for a virtual try-on feature. I designed detailed annotation guidelines and quality inspection workflows targeted at improving accuracy. The project was completed within four weeks, delivering 10,000 labeled images with a pixel accuracy rate of 97%. • Led annotation process for human key points and garment segmentation • Developed clear guidelines for ambiguous edge cases • Managed cross-quality checks and established special handling instructions • Surpassed client expectations with 15% higher accuracy in delivered dataset

2025 - Present

Project Lead – Autonomous Driving Semantic Segmentation

LabelboxImageSegmentation

I previously managed a semantic segmentation task for an autonomous driving project as the project lead. I enhanced the annotation process to improve efficiency and ensure a data accuracy rate above 99%. This resulted in a 20% increase in annotation productivity for the team. • Conducted pixel-accurate semantic segmentation for autonomous driving • Optimized annotation workflow for greater team throughput • Ensured and maintained >99% dataset accuracy • Coordinated labeling performance metrics and delivery timelines

2025 - 2026

Education

Work History