mirror of https://github.com/alibaba/EasyCV.git
39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# Copyright (c) Alibaba, Inc. and its affiliates.
|
|
from PIL import Image
|
|
|
|
from easycv.datasets.registry import DATASETS
|
|
from easycv.datasets.shared.base import BaseDataset
|
|
|
|
|
|
@DATASETS.register_module
|
|
class ClsOdpsDataset(BaseDataset):
|
|
"""Dataset for rotation prediction
|
|
"""
|
|
|
|
def __init__(self,
|
|
data_source,
|
|
pipeline,
|
|
image_key='url_image',
|
|
label_key='label',
|
|
**kwargs):
|
|
super(ClsOdpsDataset, self).__init__(data_source, pipeline)
|
|
self.image_key = image_key
|
|
self.label_key = label_key
|
|
|
|
def __getitem__(self, idx):
|
|
data_dict = self.data_source[idx]
|
|
assert (self.image_key in data_dict.keys())
|
|
assert (self.label_key in data_dict.keys())
|
|
|
|
img = data_dict[self.image_key]
|
|
label = int(data_dict[self.label_key])
|
|
assert isinstance(img, Image.Image), \
|
|
f'The output from the data source must be an Image, got: {type(img)}. \
|
|
Please ensure that the list file does not contain labels.'
|
|
|
|
img = self.pipeline(img)
|
|
return dict(img=img, gt_labels=label)
|
|
|
|
def evaluate(self, results, evaluators, logger=None):
|
|
raise NotImplementedError
|