viviwang/MARINER

--- license: mit task_categories: - object-detection tags: - ship - maritime - military size_categories: - 1K<n<10K --- # MARINER A maritime ship object detection dataset with 63 fine-grained ship categories. ## Dataset Structure ``` test/ ├── test.json # Bounding box annotations ├── *.jpg # Images (1000 total) ``` ## Annotation Format Each entry in `test.json`: ```json { "image_name": "054A_109.jpg", "grounding_info": { "text_prompt": "ship .", "objects": [ { "label": "054A", "score": 0.9291, "box_norm": [x_min, y_min, x_max, y_max], "box_pixel": [x_min, y_min, x_max, y_max] } ] } } ``` - `box_norm`: normalized bounding box coordinates [0, 1] - `box_pixel`: pixel-level bounding box coordinates ## Categories (63 classes) 054A, Admiral_Gorshkov, Arleighburke, Asagiri, Atago, Austin, Barge, Bitumen, Blueridge, Bulk_carrier, Cavour, Charles_de_Gaulle, Chemical_tanker, Container_ship, Cruise, Enterprise, Epf, Firefighting, Fishing_ships, Fpso, Freedom_class_lcs, Fujian, General_cargo_ship, Hatsuyuki, Heavy_load_carrier, Hovercraft, Hyuga, INS_Vikrant, Icebreaker, Incheon, Independent_class_lcs, Kayak, Kirov, La_Fayette, Liaoning, Lng_tanker, Lpg_tanker, Medicalship, Monohull_sailboat, Nimitz, Oil_products_tanker, Osumi, Others, Passenger_cargo_ship, Passenger_ro-ro_ship, Passenger_ship, Queen_Elizabeth, R33_INS_Vikramaditya, Reefer, Sailing_catamaran, Sailing_trimaran, Sanantonio, Scientific_research_ship, Shandong, Slava, Tarawa, Ticonderoga, Tugboat, Usv, Vehicles_carrier, Wasp, Yuting, Yuzhao ## Statistics - **Split**: test - **Images**: 1000 - **Categories**: 63