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Black images #1

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hysts opened this issue Dec 15, 2018 · 3 comments
Closed

Black images #1

hysts opened this issue Dec 15, 2018 · 3 comments
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@mxbi @tkasasagi

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@hysts
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hysts commented Dec 15, 2018 •
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It seems there are black images in KMNIST training/testing data.

Indices of black images in training data:
13109, 13415, 13442, 23328, 24234, 26413, 28814, 29279, 33433, 38946, 42827, 44186, 50110, 55361, 55533, 56969, 57915

Index of black image in testing data:
9677

I checked both MNIST format files and NumPy format ones.
@mxbi
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mxbi commented Dec 19, 2018 •
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Thanks for finding this and bringing it to our attention :) It seems to have been an issue with preprocessing that wasn't caught when the data was manually checked.

Since the dataset has only just been released we plan to release an updated version soon with the black images fixed in all three datasets.

@hysts
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hysts commented Dec 19, 2018

Great! Looking forward to it. :)

@jlmelville jlmelville mentioned this issue Dec 28, 2018
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@mxbi
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mxbi commented Dec 24, 2019

Updated dataset released back in February fixes this. Thank you again for reporting this!

@mxbi mxbi closed this as completed Dec 24, 2019
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