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inception_score.py
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inception_score.py
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"""
Salimans, T., Goodfellow, I., Zaremba, W., Cheung, V., Radford, A., Chen, X.:
Improved techniques for training gans. In: NIPS. (2016)
code is modified from https://github.com/sbarratt/inception-score-pytorch
"""
import torch
from torch import nn
from torch.autograd import Variable
from torch.nn import functional as F
import torch.utils.data
from torchvision.models.inception import inception_v3
import numpy as np
from scipy.stats import entropy
import torchvision.datasets as dset
import torchvision.transforms as transforms
def inception_score(imgs, cuda=True, batch_size=32, resize=False, splits=1):
"""Computes the inception score of the generated images imgs
imgs -- Torch dataset of (3xHxW) numpy images normalized in the range [-1, 1]
cuda -- whether or not to run on GPU
batch_size -- batch size for feeding into Inception v3
splits -- number of splits
"&quo