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Beyond Vision: CVAT Goes Multimodal and Introduces Audio Annotation. Learn more

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CVAT Academy

Master professional data annotation with our comprehensive training course. Learn the platform's key tools and useful tips, then practice expert labeling skills with hands-on exercises.

Start hereArticleLesson 1 · Lecture 1

What is Data Annotation? Definition, Use Cases, and Roles

Data annotation is the process of structuring information so that a computer can "understand" it. It is the foundation for training machine learning models and artificial intelligence (AI) systems. Without properly annotated data, it is impossible to build a high-quality model.