Datasets:

Francesco
/

stomata-cells

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362	640	640	{ "id": [ 2507, 2508 ], "area": [ 15243, 24323 ], "bbox": [ [ 407, 99, 112.5, 135.5 ], [ 129, 441, 152.5, 159.5 ] ], "category": [ 2, 2 ] }
1,175	640	640	{ "id": [ 7326, 7327, 7328, 7329 ], "area": [ 20541, 11211, 16064, 12150 ], "bbox": [ [ 104, 170, 123, 167 ], [ 566, 9, 74, 151.5 ], [ 551, 400, 89, 180.5 ], [ 64, 53...

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Dataset Card for stomata-cells

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

Dataset Summary

stomata-cells

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/stomata-cells

Citation Information

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

Contributions

Thanks to @mariosasko for adding this dataset.

Downloads last month: 43

Homepage:

universe.roboflow.com

Point of Contact:

francesco.zuppichini@gmail.com

Size of downloaded dataset files:

121 MB

Size of the auto-converted Parquet files:

121 MB

Number of rows:

2,105