Patents issued and pending
© 2024 Urban Sky. All Rights Reserved. Urban Sky, 4800 Race St. Denver, CO 80216
Status: Active
Authors: @Mark Robertson, Tom Jones, Andrew Antonio, Jared Leidich
Updates:
- 11 November 2024 — Prepared for release
- 31 January 2024 — First draft version, shared for feedback
- 7 November 2024 — Published to website
- 12 November 2024 — Minor updates and comments addressed
Product Specifications
See the naming convention document for additional information. A JSON metadata file accompanies each output file with the same name as the image file.
| Collection specification |
Value |
| Flight altitude |
15 km - 21 km |
| Sensor bands |
Red, Green, Blue (RGB)* |
- Specific spectral response information can be provided on request |
| Sensor color sampling | RGGB color filter array |
| Native ground sample distance | Depends on distance to target: *
@14 km: 8.4 cm
@17 km: 10.1 cm (nominal)
@20 km: 12.3 cm
- distance to target is smaller than vehicle altitude because of ground elevation. |
| Product ground sample distance | 10.0 cm |
| Sensor dynamic range | 12 bits per sample |
| Product dynamic range | 8 bits per sample |
| Single path swath width | Depends on distance to target:
@14 km: 10.5 km
@17 km: 12.8 km (nominal)
@20 km: 15.0 km |
| Off-nadir look angle | 20° ± 3° |
| Geolocation accuracy, CE90 (urban) | 3 meters |
| Image File Size | Up to 20 GB per file (a collection may consist of several files) |
| Processing specification |
|
| Non-uniformity correction |
Corrections for sensor non-uniformities |
| Tonal curves |
Adaptive tonal curves convert dynamic range to 8 bits |
| Noise reduction |
Edge preserving noise reduction |
| Compression |
High-quality YCbCr JPEG |
| Product format |
Cloud-optimized GeoTiffs |