mxnet.gluon.data.vision.datasets.ImageRecordDataset¶

class mxnet.gluon.data.vision.datasets.ImageRecordDataset(filename, flag=1, transform=None)[source]¶

A dataset wrapping over a RecordIO file containing images.

Each sample is an image and its corresponding label.

Parameters

filename (str) – Path to rec file.
flag ({0, 1}, default 1) – If 0, always convert images to greyscale. If 1, always convert images to colored (RGB).
transform (function, default None) –
A user defined callback that transforms each sample. For example:
```
transform=lambda data, label: (data.astype(np.float32)/255, label)
```

__init__(filename, flag=1, transform=None)[source]¶: Initialize self. See help(type(self)) for accurate signature.

Methods

`__init__`(filename[, flag, transform])	Initialize self.
`transform`(fn[, lazy])	Returns a new dataset with each sample transformed by the transformer function fn.
`transform_first`(fn[, lazy])	Returns a new dataset with the first element of each sample transformed by the transformer function fn.