PyTorch 自编码的实现:
下面是显示效果,感觉还是可以的,最起码该出现的都出现了!
import torch
import torch.nn as nn
import torch.utils.data as Data
import torchvision
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
from matplotlib import cm
from torch.autograd import Variable
import numpy as np
# 超参数定义
Epoch = 10
Batch_size = 100
LR = 0.005
Downloads_MNIST = False
N_Test_img = 5 # 测试图片的显示效果,5张为一批
train_data = torchvision.datasets.MNIST(
root=r'./mnist_data/',
train=True,
transform=torchvision.transforms.ToTensor(),
download=Downloads_MNIST
)
print(train_data.train_data.size())
train_loader = Data.DataLoader(dataset=train_data, batch_size=Batch_size, shuffle=True)
class AutoEncoder(nn.Module):
def __init__(self):
super(AutoEncoder, self).__init__()
# 定义编码网络
self.encoder = nn.Sequential(
nn.Linear(28 *