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# encoding: utf-8
"""
@author: liaoxingyu
@contact: sherlockliao01@gmail.com
"""
from torch.utils.data import Dataset
from fastreid.data.data_utils import read_image
class ClasDataset(Dataset):
"""Image Person ReID Dataset"""
def __init__(self, img_items, transform=None, relabel=True):
self.img_items = img_items
self.transform = transform
pid_set = set()
for i in img_items:
pid_set.add(i[1])
self.pids = sorted(list(pid_set))
def __len__(self):
return len(self.img_items)
def __getitem__(self, index):
img_item = self.img_items[index]
img_path = img_item[0]
pid = img_item[1]
img = read_image(img_path)
if self.transform is not None: img = self.transform(img)
return {
"images": img,
"targets": pid,
"img_paths": img_path,
}
@property
def num_classes(self):
return len(self.pids)