crowd counting based no SKT and boosting
for mobienetv3 size test, input code as follows:
import torch
input_tensor = torch.randn(1, 3, 224, 224)
net_small = CustomMobileNetV3()
output = net_small(input_tensor)
# print
for i, feature_map in enumerate(net_small.extractions):
print(f"Feature map {i+1}: Shape {feature_map.shape}")