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matplotlibで複数画像を表示させたい。

Last updated at Posted at 2020-08-15

#実行環境
Google Colaboratory

#Google Colaboratoryで画像を読み込む為の準備

from google.colab import files
from google.colab import drive
drive.mount('/content/drive')
img = cv2.imread("/content/drive/My Drive/Colab Notebooks/img/Lenna.bmp")
img2 = cv2.imread("/content/drive/My Drive/Colab Notebooks/img/Mandrill.bmp")

#必要なライブラリの読み込み

import cv2 #opencv
import matplotlib.pyplot as plt 
%matplotlib inline

#コードの確認

#新規ウインドウ作成
fig = plt.figure()

#flg全体をX*Yに分割し、plot位置に画像を配置する。
X = 2
Y = 2


#imgの表示
imgplot = 1
ax1 = fig.add_subplot(X, Y, imgplot)
#タイトルの設定
ax1.set_title("img",fontsize=20)
plt.imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))


#img2の表示
img2plot =  4
ax2 = fig.add_subplot(X, Y, img2plot)
#タイトルの設定
ax2.set_title("img2",fontsize=20)
plt.imshow(cv2.cvtColor(img2, cv2.COLOR_BGR2RGB))

plt.show() #なくても表示された。

#結果
q2.PNG
※青色線、青文字はペイントで加筆したもの。

これで、今後の動作結果の比較記事とか書きやすそう!

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