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Feature request: ImageNet data loader #100

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adrhill opened this issue Mar 22, 2022 · 3 comments · May be fixed by #146
Open

Feature request: ImageNet data loader #100

adrhill opened this issue Mar 22, 2022 · 3 comments · May be fixed by #146

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@adrhill
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adrhill commented Mar 22, 2022

ImageNet is quite large and locked behind terms of access that require an account.

However it would be nice to be able to either

  • set a config (or ENV) variable to download ImageNet through MLDatasets
  • point MLDatasets to a local copy of ImageNet

and be able to use MLDatasets' interface of

train_x, train_y = ImageNet.traindata()
test_x,  test_y  = ImageNet.testdata()

as well as ImageNet.convert2image(x).
Ideally data would be in WHCN format for Flux and Metalhead models.
@CarloLucibello
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As a reference, an example of ImageNet usage
https://github.com/avik-pal/Lux.jl/tree/main/examples/ImageNet

@lorenzoh
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lorenzoh commented May 4, 2022

For reference, a ManualDataDep may be useful for when a dataset requires the user to perform some manual steps.

@adrhill
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adrhill commented Jun 21, 2022

Thanks for the pointers, I will open a draft PR for this!

Since there is not only one version of ImageNet, I propose to mirror PyTorch and have MLDatasets.ImageNet refer to the ImageNet 2012 Classification Dataset (ILSVRC 2012-2017). The ImageNet authors themselves call it "the most highly-used subset of ImageNet".

@adrhill adrhill linked a pull request Jun 23, 2022 that will close this issue
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Add ImageNet adrhill/MLDatasets.jl
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@CarloLucibello @adrhill @lorenzoh