Ch13 figs (rasbt#30)

* Added fig 1 and 2

* Rename image and figure folders

* Using os.path.basename

* Run all cells

Author: vmirly

Diff for: ch13/images/cat-01.jpg renamed to ch13/cat_dog_images/cat-01.jpg

@@ -5,6 +5,7 @@
 import numpy as np
 import pathlib
 import matplotlib.pyplot as plt
+import os
 import tensorflow_datasets as tfds
 
 # *Python Machine Learning 3rd Edition* by [Sebastian Raschka](https://sebastianraschka.com) & [Vahid Mirjalili](http://vahidmirjalili.com), Packt Publishing Ltd. 2019
@@ -30,8 +31,16 @@
 
 # ### Performance challenges
 
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 # ### What is TensorFlow?
 
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 # ### How we will learn TensorFlow
 
 # ## First steps with TensorFlow
@@ -361,7 +370,7 @@
 
 
 
-imgdir_path = pathlib.Path('images')
+imgdir_path = pathlib.Path('cat_dog_images')
 
 file_list = [str(path) for path in imgdir_path.glob('*.jpg')]
 
@@ -380,7 +389,7 @@
     ax = fig.add_subplot(2, 3, i+1)
     ax.set_xticks([]); ax.set_yticks([])
     ax.imshow(img)
-    ax.set_title(file, size=15)
+    ax.set_title(os.path.basename(file), size=15)
 
 # plt.savefig('ch13-catdot-examples.pdf')
 plt.tight_layout()
@@ -389,7 +398,7 @@
 
 
 
-labels = [1 if 'dog' in file else 0
+labels = [1 if 'dog' in os.path.basename(file) else 0
           for file in file_list]
 print(labels)
 
@@ -558,3 +567,8 @@ def load_and_preprocess(path, label):
 
 
 
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