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minddata fix compose comment example

tags/v1.1.0
xiefangqi 5 years ago
parent
commit
e7fc0fbcd5
1 changed files with 7 additions and 7 deletions
  1. +7
    -7
      mindspore/dataset/transforms/py_transforms.py

+ 7
- 7
mindspore/dataset/transforms/py_transforms.py View File

@@ -80,10 +80,10 @@ class Compose:
>>> dataset = ds.ImageFolderDataset(dataset_dir, num_parallel_workers=8)
>>> # create a list of transformations to be applied to the image data
>>> transform = py_transforms.Compose([py_vision.Decode(),
>>> py_vision.RandomHorizontalFlip(0.5),
>>> py_vision.ToTensor(),
>>> py_vision.Normalize((0.491, 0.482, 0.447), (0.247, 0.243, 0.262)),
>>> py_vision.RandomErasing()])
>>> py_vision.RandomHorizontalFlip(0.5),
>>> py_vision.ToTensor(),
>>> py_vision.Normalize((0.491, 0.482, 0.447), (0.247, 0.243, 0.262)),
>>> py_vision.RandomErasing()])
>>> # apply the transform to the dataset through dataset.map()
>>> dataset = dataset.map(operations=transform, input_columns="image")
>>>
@@ -96,7 +96,7 @@ class Compose:
>>> py_vision.RandomErasing()]
>>>
>>> # apply the transform to the dataset through dataset.map()
>>> dataset = dataset.map(operations=transform, input_columns="image")
>>> dataset = dataset.map(operations=transform_list, input_columns="image")
>>>
>>> # Certain C++ and Python ops can be combined, but not all of them
>>> # An example of combined operations
@@ -106,18 +106,18 @@ class Compose:
>>>
>>> data = ds.NumpySlicesDataset(arr, column_names=["cols"], shuffle=False)
>>> transformed_list = [py_transforms.OneHotOp(2), c_transforms.Mask(c_transforms.Relational.EQ, 1)]
>>> data = data.map(operations=op_list, input_columns=["cols"])
>>> data = data.map(operations=transformed_list, input_columns=["cols"])
>>>
>>> # Here is an example of mixing vision ops
>>> data_dir = "/path/to/imagefolder_directory"
>>> data1 = ds.ImageFolderDataset(dataset_dir=data_dir, shuffle=False)
>>> input_columns = ["column_names"]
>>> data1 = data1.map(operations=op_list, input_columns=input_columns)
>>> op_list=[c_vision.Decode(),
>>> c_vision.Resize((224, 244)),
>>> py_vision.ToPIL(),
>>> np.array, # need to convert PIL image to a NumPy array to pass it to C++ operation
>>> c_vision.Resize((24, 24))]
>>> data1 = data1.map(operations=op_list, input_columns=input_columns)
"""

@check_compose_list


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