File size: 641 Bytes
52a9452 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
import numpy as np
import torch
from concern.config import Configurable
class TransformData(Configurable):
'''
this transformation is inplcae, which means that the input
will be modified.
'''
mean = np.array([0.485, 0.456, 0.406])
std = np.array([0.229, 0.224, 0.225])
def __init__(self, **kwargs):
self.load_all(**kwargs)
def __call__(self, data_dict, *args, **kwargs):
image = data_dict['image'].transpose(2, 0, 1)
image = image / 255.0
image = (image - self.mean[:, None, None]) / self.std[:, None, None]
data_dict['image'] = image
return data_dict
|