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Added camera config
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This commit is contained in:
Roman Meshko
2026-05-14 22:31:29 +03:00
parent 2eb5b5d8ad
commit c9aeed3dd9
19 changed files with 282 additions and 48 deletions
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_docs/00_problem/acceptance_criteria.md
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- Images ≤ 1.5× model dimensions (1280×1280): processed as single frame.
- Larger images: tiled based on ground sampling distance. Tile physical size: 25 meters (METERS_IN_TILE). Tile overlap: `big_image_tile_overlap_percent` (default: 20%).
- GSD calculation: `sensor_width * altitude / (focal_length * image_width)` when `altitude` is provided.
- GSD calculation: `sensor_width * current_height / (focal_length * current_zoom * image_width * sin(current_angle))` when `camera_config.current_height` and valid camera parameters are provided. `current_angle` is in degrees and defaults to 90.
## API
_docs/00_problem/input_data/data_parameters.md
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| tracking_intersection_threshold | float | 0.6 | Overlap ratio for NMS deduplication |
| model_batch_size | int | 8 | Inference batch size |
| big_image_tile_overlap_percent | int | 20 | Tile overlap for large images (0-100%) |
| altitude | float | optional | Camera altitude in meters. When omitted, GSD-based size filtering and image tiling are skipped. |
| camera_config | object | null | Camera parameters for GSD. When omitted or missing height, GSD-based size filtering and image tiling are skipped. |
### camera_config
| Field | Type | Default | Range/Meaning |
|-------|------|---------|---------------|
| focal_length | float | 24 | Camera focal length in mm |
| sensor_width | float | 23.5 | Camera sensor width in mm |
| current_zoom | float | 1 | Optical zoom multiplier; effective focal length is `focal_length * current_zoom` |
| current_angle | float | 90 | Camera angle in degrees; 90 is nadir/downward |
| current_height | float | optional | Camera height in meters |
Legacy flat `altitude`, `focal_length`, and `sensor_width` keys are still accepted for backward compatibility, but new clients should send `camera_config`.
`paths` field was removed in AZ-174 — media paths are now resolved via the Annotations service.