OpenDroneMap/OpenDroneMap

Features

• Orthophoto and Elevation Model Generators - Converts overlapping aerial photos into georeferenced orthophotos, 3D models, point clouds, and digital elevation models.
• Aerial Photogrammetry Pipelines - Runs a complete Structure-from-Motion pipeline that reconstructs 3D geometry and maps from unordered aerial image collections.
• 3D Reconstruction - Builds textured 3D meshes and point clouds from overlapping aerial photos for visualization and measurement.
• Georeferencing - Stitches and aligns aerial images into a single, geometrically corrected map with real-world coordinates.
• Multi-Backend Dense Reconstruction - Employs multiple algorithms including SGM and MVS to compute dense depth maps and generate high-resolution point clouds.
• Terrain and Elevation - Computes a raster surface representing terrain elevation from drone imagery for analysis and planning.
• Digital Terrain Model Generation - Generates georeferenced digital elevation models from aerial imagery for terrain analysis.
• Photogrammetry CLIs - Provides a command-line interface for running the full photogrammetry pipeline from drone, balloon, or kite imagery.
• Point Cloud Generators - Converts overlapping aerial photos into dense, classified point clouds in LAZ format.
• DEM Gap Fillings - Fill empty areas in a DEM using progressive inverse distance weighted interpolation and nearest neighbor.
• Photogrammetry Orchestrators - Orchestrates a sequential chain of photogrammetry stages from feature extraction through dense reconstruction to final output generation.
• Georeferenced Image Alignments - Orients all input photos to a common geographic reference for consistent output.
• Geospatial Model Alignments - Repositions the final model to match a specified geographic coordinate system or a user-provided reference.
• SIFT Feature Accelerators - Offloads SIFT feature computation to NVIDIA GPUs using CUDA to significantly speed up the initial processing stage.
• Spatial Boundary Detections - Automatically determines the optimal area to process based on the spatial distribution of the input images.
• Orthophoto Tiling - Splits large reconstruction areas into manageable tiles processed in parallel to reduce memory usage and enable scalability.
• 3D Point Cloud Representations - Produces classified 3D point cloud data from drone images for volumetric measurements and analysis.
• Classified Point Clouds - Labels points in generated 3D point clouds by category such as ground, vegetation, or buildings.
• Camera Calibration - Estimates intrinsic and extrinsic camera parameters from imagery to improve reconstruction accuracy.
• Cloud-Optimized GeoTIFF Generators - Produces georeferenced GeoTIFF orthomosaics with real-world coordinates from drone imagery.
• Digital Surface Models - Creates a DSM capturing elevation of all surface features including vegetation and structures.
• Material Volume Measurements - Measures the volume of material stockpiles from drone imagery using 3D models.
• Photogrammetry Toolkit Deployments - Supports running the toolkit on a cloud or remote machine to handle large datasets from low-bandwidth locations.
• Classified Point Clouds - Produces 3D point clouds from drone imagery with classification for terrain and objects.
• 3D Texture Workflows - Reconstructs three-dimensional meshes of surveyed areas with photographic texture applied for realistic visualization.
• Interactive 3D Viewers - Provides tools within the 3D viewer to clip sections, take measurements, and navigate the scene.
• Point Cloud Viewers - Displays processed point clouds and models in an interactive Potree 3D viewer for inspection and measurement.
• Potree WebGL Viewers - Integrates the Potree JavaScript library to render and interact with large point clouds and 3D models directly in a web browser.
• Image-to-3D Texture Engines - Reconstructs three-dimensional textured meshes from overlapping drone images for visualization and measurement.
• Photogrammetric Texture Mappers - Reconstructs three-dimensional meshes and applies photographic texture from the input images.
• OGC 3D Tiles Generators - Generates OGC-standard 3D Tiles from photogrammetry reconstructions for web visualization.
• Drone Image Processing - Enables running the full processing pipeline on a remote server to handle large datasets from low-bandwidth locations.
• OpenSfM-Based Reconstructors - Uses the Open Structure from Motion library to estimate camera poses and produce sparse 3D point clouds.
• Drone-Based Volume Measurements - Calculates material volumes from drone-captured 3D models for inventory and construction management.
• DEM - Specify the DSM/DTM resolution in centimeters per pixel, capped by a ground sampling distance estimate.
• Remote Processing Strategies - Ships a remote processing mode that transfers only essential data to handle drone imagery from limited connectivity areas.
• C Geospatial Libraries - Tool for processing drone data into orthophotos and point clouds.
• Low Level Geospatial Libraries - Processes drone imagery into geographic data.

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