Pytorch教程

PyTorch Convents可视化

PyTorch Convents可视化详细操作教程
在本章中,我们将在Convents的帮助下专注于数据可视化模型。需要以下步骤才能使用传统的神经网络获得完美的可视化图像。

第1步

导入必要的模块,这对于传统神经网络的可视化非常重要。
# Filename : example.py
# Copyright : 2020 By Lidihuo
# Author by : www.lidihuo.com
# Date : 2020-08-23
import os
import numpy as np
import pandas as pd
from scipy.misc import imread
from sklearn.metrics import accuracy_score
import keras
from keras.models import Sequential, Model
from keras.layers import Dense, Dropout, Flatten, Activation, Input
from keras.layers import Conv2D, MaxPooling2D
import torch

第2步

要通过训练和测试数据来停止潜在的随机性,请调用以下代码中给出的相应数据集 -
# Filename : example.py
# Copyright : 2020 By Lidihuo
# Author by : www.lidihuo.com
# Date : 2020-08-23
seed = 128
rng = np.random.RandomState(seed)
data_dir = "../../datasets/MNIST"
train = pd.read_csv('../../datasets/MNIST/train.csv')
test = pd.read_csv('../../datasets/MNIST/Test_fCbTej3.csv')
img_name = rng.choice(train.filename)
filepath = os.path.join(data_dir, 'train', img_name)
img = imread(filepath, flatten=True)

第3步

使用以下代码绘制必要的图像,以完美的方式定义训练和测试数据 -
# Filename : example.py
# Copyright : 2020 By Lidihuo
# Author by : www.lidihuo.com
# Date : 2020-08-23
pylab.imshow(img, cmap ='gray')
pylab.axis('off')
pylab.show()
输出显示如下 -
定义训练和测试数据
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