
Japhet Kipkoech
Data Annotation For AI Models
Skills

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Portfolio
Werkervaring
Data Annotation Specialist
Aiwakforce Kenya • Freelance
Dec 2021 - Present • 4 yrs 5 mos
• Expertly annotated over 10,000+ images using polygons, polygon masks, and bounding boxes in CVAT, enhancing the accuracy of machine learning models. • Conducted video annotation for 1000+ hours of footage using Adobe Premiere Pro, focusing on object tracking and temporal segmentation for AI training purposes. • Collaborated closely with AI developers to refine annotation guidelines and improve data quality for machine learning projects. • Trained and mentored new annotators. • Implemented quality control measures to ensure annotation accuracy, resulting in a 25% decrease in error rates across all projects. Skills • Tools & Technologies: CVAT, Adobe Premiere Pro, Label mg etc. • Annotation Skills: Image annotation (polygons, masks, bounding boxes), video annotation, object tracking, segmentation. • Collaboration & Communication: Effective team collaboration, clear communication, and training abilities. • Project Management: Strong organizational skills, capable of managing multiple annotation projects with attention to detail and deadlines.