Roads 50cm/px¶
Included on a trial basis with ORCA™ HUNTR is a version of Roads 50cm/px.
You can find the model already in the list of available trained models in the ORCA HUNTR - MAP view or in the list of available models when starting a run from the ORCA HUNTR - SCENES view.
The general input requirements for ORCA HUNTR must be met. Additionally, this model has the following input requirements:
- The image must be georeferenced
- The image must have at least 3 channels (RGB)
- The imagery should have a similar resolution to the training imagery (50cm). This means detection quality will degrade significantly when out of the range between 30 and 70cm resolution.
The output is georeferenced. The vector output is available as line strings only.
Model Metrics¶
The following metrics are the observed metrics for the vectorized output of the Roads 50cm/px model as tested on the Maxar Vivid 50cm dataset.
Product quality may vary for different parts of the globe as it can be affected by various factors like density distribution, image quality, and occlusions.
| Region | completeness* | correctness* |
|---|---|---|
| Australia and New Zealand | 79 | 75 |
| Central Asia | 79 | 77 |
| Eastern Africa | 75 | 73 |
| Eastern Asia | 70 | 68 |
| Eastern Europe | 82 | 81 |
| Melanesia | 76 | 73 |
| Middle Africa | 77 | 74 |
| Northern Africa | 84 | 82 |
| Northern America | 89 | 87 |
| Northern Europe | 87 | 83 |
| South America | 89 | 87 |
| South-Eastern Asia | 87 | 85 |
| Southern Africa | 76 | 71 |
| Southern Asia | 80 | 77 |
| Southern Europe | 88 | 85 |
| Western Africa | 73 | 69 |
| Western Asia | 86 | 83 |
| Western Europe | 86 | 82 |
* Heipke, C., Mayer, H., Wiedemann, C., & Jamet, O. (1997). Evaluation of Automatic Road Extraction. International Archives of Photogrammetry and Remote Sensing, 32(3-4W2), 151-160.