Polygon Annotation & AI Data Labeling Services
Creating detailed object annotations that improve the accuracy of machine learning and computer vision models.

Polygon annotation is a precise image annotation technique used to outline the exact boundaries of objects using multiple connected points. Unlike bounding boxes, polygon annotation accurately captures complex object shapes, making it ideal for training AI and machine learning models that require pixel-level precision for object detection, segmentation, and scene understanding.
Unique Maps provides high-quality polygon annotation services using advanced annotation workflows, domain-specific labeling guidelines, and rigorous quality control processes. Our solutions deliver accurate and scalable datasets for computer vision applications across autonomous vehicles, medical imaging, agriculture, retail, manufacturing, and geospatial industries.
Polygon Annotation
Polygon Annotation Workflow
Dataset Assessment
Images are reviewed to understand annotation requirements, object classes, and project-specific labeling guidelines.
Object Annotation
Objects are accurately outlined with multi-point polygons to capture their exact shape and boundaries for high-precision segmentation.
Annotation Review
Annotations are verified and refined to ensure consistency, labeling accuracy, and compliance with project specifications.
Quality Validation
Comprehensive QA/QC procedures validate annotation precision, class consistency, and overall dataset quality before delivery.
Connected Services

Aerial Triangulation

RGB Orthphoto

Multispectral Orthophoto

True Orthophoto

DTM/DSM/Contour

Corridor Mapping

Oblique Imagery Processing
