Pythonプロットbase64文字列イメージ

Question

私はnumpiで使用できるRGBイメージにサーバー経由で受け取ったbase64文字列としてエンコードされたjpgを変換しようとしていますが、matplot libでプロットします。生のbase64文字列を取り、それをpythonを使ってプロットする方法に関するドキュメントを見つけることができません。

また、pngとして受信するオプションもあります。

ここに私が現在いるところがあり、うまくいきません。画像のバイトを気にしてください。

image = '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' 

import base64 
import io 
from matplotlib import pyplot as plt 
from array import array 
import numpy as np 

i = base64.b64decode(image) 
i = np.fromstring(image, np.ubyte) 

plt.imshow(i, interpolation='nearest') 
plt.show() 

ご協力いただきまして誠にありがとうございます。ここで

サーバーによって送信されたエンコードされた文字列を生成コードです：

byte[] bytes = image.EncodeToJPG(); 
return Convert.ToBase64String(bytes); 

Answer 1

image = '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' 

import base64 
import io 
from matplotlib import pyplot as plt 
import matplotlib.image as mpimg 

i = base64.b64decode(image) 
i = io.BytesIO(i) 
i = mpimg.imread(i, format='JPG') 

plt.imshow(i, interpolation='nearest') 
plt.show()