Random question about mnist datasets. Why does it come in ubyte ext rather than a traditional image ext?

[SomeOne]

I’ve only used mnist data with Python and Keras. But funny enough same question has been asked before and you can find there how to use mnist with processing.

How do I import an "idx3-ubyte" file?

I am wondering how to import the files found on this website into Processing: http://yann.lecun.com/exdb/mnist/ They’re supposed to contain thousands of 28x28 byte arrangements, each with its own “grayscale” value. In essence, they’re images. But the files don’t have a .dat extension, an extension I’ve learned to use thanks to the saveBytes() and loadBytes() reference tutorials on the Processing website. I don’t know what an .idx3-ubyte extension is and how to import it into an arbitrary Proce…