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Guide to LiDAR Annotation: Building 3D Datasets for Autonomous Systems, Robotics, and Smart Cities

Introduction
LiDAR (Light Detection and Ranging) produces 3D point clouds that capture the world in incredible detail. From autonomous vehicles to smart cities, LiDAR annotation is critical for teaching AI how to understand depth, distance, and object shape.

🔹 Uses of LiDAR Annotation

Autonomous Driving

Annotating vehicles, pedestrians, cyclists, and traffic signs in 3D point clouds.

Smart Cities & Infrastructure

Mapping buildings, roads, and utilities for urban planning.

Robotics & Drones

Training robots and UAVs to navigate using 3D environmental understanding.

Forestry & Environmental Monitoring

Identifying tree heights, forest density, and terrain modeling.

Construction & Mining

Site surveying, volume measurement, and safety monitoring.