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from ..root import DATASETS, IMAGE_PLACEHOLDER
from ..utils import MInstrDataset
@DATASETS.register_module()
class CaptionDataset(MInstrDataset):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs, placeholders=(IMAGE_PLACEHOLDER,))
def __getitem__(self, index):
item = self.get_raw_item(index)
img_path = item['img_path']
caption = item['caption']
image = self.get_image(img_path)
question = self.get_template()
ret = {
'image': image,
'conversations': [
{
'from': 'human',
'value': question,
},
{
'from': 'gpt',
'value': caption,
}
]
}
return ret
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