Ralph Joseph J.

Image and Video Annotation Specialist | Lead Annotator | AI Data Quality Expert Are you looking for a reliable and detail-oriented Image Annotation Specialist to support your AI development? I bring extensive hands-on experience in delivering high-quality annotations, combined with leadership expertise as a Lead Annotator managing teams and ensuring consistent output standards. 🎯 Annotation Accuracy & Quality Assurance I apply a meticulous and structured approach to annotation, ensuring precision and consistency across datasets. My experience includes performing QA scoring and validation of annotators’ outputs to maintain high-quality training data for AI models. 🌐 Versatile Annotation Expertise Proficient in a wide range of annotation types, including: Bounding Boxes Polygon Annotation Semantic Segmentation Video Frame Annotation I have worked on diverse datasets across multiple domains, including: Marine data (e.g., sea urchin annotation) Urban environments (cars, pedestrians) Sports datasets (volleyball, football 7v7, soccer) 🧠 Leadership & Team Management As a Lead Annotator, I have: Trained and onboarded new annotators Developed workflows to improve labeling efficiency Monitored team performance and ensured project guidelines are met Provided continuous feedback and quality improvements 🛠️ Tools & Technical Skills Label Studio (web-based annotation platform) Labelbox (experience annotating sea urchins, cars, pedestrians, and more) Python (basic automation and tool development) Anaconda environment Custom QA and annotation workflows I also developed a web-based annotation training tool to support newly hired annotators and streamline onboarding: 🛡️ Data Security & Reliability I strictly follow data privacy and security protocols, ensuring all project data is handled with confidentiality and professionalism. 🌟 Commitment to Excellence I am dedicated to delivering accurate, scalable, and high-quality annotation services that directly contribute to the success of your AI models. Let’s work together to build high-performing AI systems. I’m ready to contribute my skills, leadership, and experience to your project.