[data request] OpenImages v4

[rodrigob]

• Name of dataset: OpenImages v4
• URL of dataset: https://storage.googleapis.com/openimages/web/index.html
• License of dataset: licensed by Google Inc. under CC BY 4.0 license. The images are listed as having a CC BY 2.0 license.
• Short description of dataset and use case(s): bigger ImageNet with image level labels and bounding boxes.

Folks who would also like to see this dataset in tensorflow/datasets, please +1/thumbs-up so the developers can know which requests to prioritize.

[VikramTiwari]

I can take ownership of this one too!

[rsepassi]

Thanks @VikramTiwari! We're just putting the final touches on this dataset, so let's find another that you can contribute!

[pierrot0]

https://github.com/tensorflow/datasets/blob/master/tensorflow_datasets/image/open_images.py