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Python + OpenCVでの画像サイズ取得方法

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読み込んだ画像のサイズを取得する方法

test.py
import sys,cv2

# 対象画像読み込み
img = cv2.imread("testImg.png",cv2.IMREAD_COLOR)

# 画像の大きさを取得
height, width, channels = img.shape[:3]
print("width: " + str(width))
print("height: " + str(height))

上記を実行すると、以下のように画像の幅と高さが出力される

width: 240
height: 240
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