Python文件夹下图像数据可视化

1. import matplotlib.pyplot as plt
2. import matplotlib.image as mpimg
3. import numpy as np
4.  
5. import urllib2
6. import urllib
7. import os
8. import shutil
9.  
10. subdir= "/7"
11. homedir = os.getcwd() + subdir
12. # "/home/haoyou/Dev/last_caffe_with_stn/myprojects/spn-mnistcluttered/mnist-cluttered/"+subdir
13.  
14. import os
15. def walk_dir(dir,fileinfo,topdown=True):
16. for root, dirs, files in os.walk(dir, topdown):
17. for name in files:
18. print(os.path.join(name))
19. fileinfo.write(os.path.join(root,name) + ‘\n‘)
20. for name in dirs:
21. print(os.path.join(name))
22. fileinfo.write(‘ ‘ + os.path.join(root,name) + ‘\n‘)
23. fileinfo = open(homedir+‘/list.txt‘,‘w‘)
24. walk_dir(homedir,fileinfo)
25.  
26.  
27. f = open(homedir+"/list.txt", "r")
28. while True:
29. for i in range(1,101):
30. line = f.readline()
31. if line:
32.      line=line.strip()
33. plt.subplot(10,10,i)
34. lena = mpimg.imread(line)
35. plt.imshow(lena,cmap=‘gray‘)
36. plt.axis(‘off‘)
37. else:
38. break
39.  
40. plt.show()
41. # for line in f:
42. # #pass # do something here
43. # line=line.strip()
44. # print(line)
45. # lena = mpimg.imread(line)
46.  
47.  
48. f.close()

Python文件夹下图像数据可视化