Shiyu L.

Key Skills

Software

CrowdSource

CVAT

Data Annotation Tech

Top Subject Matter

Education

Economy

Top Data Types

Text

Top Task Types

Text Generation

Question Answering

Data Collection

Freelancer Overview

A seasoned Data Annotator of specialized experience in creating high-quality training datasets for AI and machine learning models, I excel in image annotation (bounding boxes, semantic segmentation, polygon outlining, and keypoint detection), text annotation (NER, sentiment analysis, intent classification, and document labeling), as well as video frame annotation for object tracking.

Education

Work History