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image_id
int64
0
426
image
imagewidth (px)
640
640
width
int32
640
640
height
int32
640
640
objects
sequence
238
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{ "id": [ 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613 ], "area": [ 172634, 3168, 608, 598, 2312, 1426, 7276, 3790, 2343, 1566, 23892, 3315 ], "bbox": [ [ 140, 166, 418, 41...
332
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{ "id": [ 4104, 4105, 4106, 4107, 4108, 4109, 4110, 4111, 4112 ], "area": [ 1934, 5621, 13528, 3871, 6119, 39186, 4190, 3934, 1178 ], "bbox": [ [ 342, 336, 35.5, 54.5 ], [ 293, 0, 73, ...
10
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{ "id": [ 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126 ], "area": [ 4416, 11470, 3129, 2558, 2849, 712...
296
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{ "id": [ 3721 ], "area": [ 711 ], "bbox": [ [ 314, 265, 19.5, 36.5 ] ], "category": [ 9 ] }
313
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{ "id": [ 3885, 3886, 3887, 3888, 3889, 3890, 3891, 3892, 3893, 3894, 3895, 3896, 3897 ], "area": [ 263, 24543, 193, 882, 591, 2184, 10398, 344, 2100, 423, 3800, 2035, 286 ], "bbox": [ [ 358, ...
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{ "id": [ 3354, 3355, 3356, 3357, 3358, 3359, 3360, 3361 ], "area": [ 2009, 3503, 741, 7812, 286, 1, 630, 580 ], "bbox": [ [ 388, 218, 41, 49 ], [ 247, 321, 45.5, 77 ], [ 1...
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{ "id": [], "area": [], "bbox": [], "category": [] }
200
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{ "id": [ 2490, 2491, 2492, 2493, 2494, 2495, 2496, 2497, 2498, 2499, 2500, 2501, 2502, 2503, 2504, 2505, 2506, 2507, 2508, 2509, 2510, 2511, 2512, 2513, 2514, 2515, 2516, 2517, 2518, 2519, 2520...
52
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{ "id": [ 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669 ], "area": [ 6142, 6020, 12197, 19621, 13900, 12105, 15004, 14045, 7416...
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Dataset Card for coral-lwptl

** The original COCO dataset is stored at dataset.tar.gz**

Dataset Summary

coral-lwptl

Supported Tasks and Leaderboards

  • object-detection: The dataset can be used to train a model for Object Detection.

Languages

English

Dataset Structure

Data Instances

A data point comprises an image and its object annotations.

{
  'image_id': 15,
  'image': <PIL.JpegImagePlugin.JpegImageFile image mode=RGB size=640x640 at 0x2373B065C18>,
  'width': 964043,
  'height': 640,
  'objects': {
    'id': [114, 115, 116, 117], 
    'area': [3796, 1596, 152768, 81002],
    'bbox': [
      [302.0, 109.0, 73.0, 52.0],
      [810.0, 100.0, 57.0, 28.0],
      [160.0, 31.0, 248.0, 616.0],
      [741.0, 68.0, 202.0, 401.0]
    ], 
    'category': [4, 4, 0, 0]
  }
}

Data Fields

  • image: the image id
  • image: PIL.Image.Image object containing the image. Note that when accessing the image column: dataset[0]["image"] the image file is automatically decoded. Decoding of a large number of image files might take a significant amount of time. Thus it is important to first query the sample index before the "image" column, i.e. dataset[0]["image"] should always be preferred over dataset["image"][0]
  • width: the image width
  • height: the image height
  • objects: a dictionary containing bounding box metadata for the objects present on the image
    • id: the annotation id
    • area: the area of the bounding box
    • bbox: the object's bounding box (in the coco format)
    • category: the object's category.

Who are the annotators?

Annotators are Roboflow users

Additional Information

Licensing Information

See original homepage https://universe.roboflow.com/object-detection/coral-lwptl

Citation Information

@misc{ coral-lwptl,
    title = { coral lwptl Dataset },
    type = { Open Source Dataset },
    author = { Roboflow 100 },
    howpublished = { \url{ https://universe.roboflow.com/object-detection/coral-lwptl } },
    url = { https://universe.roboflow.com/object-detection/coral-lwptl },
    journal = { Roboflow Universe },
    publisher = { Roboflow },
    year = { 2022 },
    month = { nov },
    note = { visited on 2023-03-29 },
}"

Contributions

Thanks to @mariosasko for adding this dataset.

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