回答編集履歴
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コード修正
test
CHANGED
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@@ -17,6 +17,8 @@
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```python
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import matplotlib.pyplot as plt
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import numpy as np
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import cv2
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@@ -68,7 +70,7 @@
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gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
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_, contours, hierarchy = cv2.findContours(
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_, contours, hierarchy = cv2.findContours(gray, cv2.RETR_CCOMP, cv2.CHAIN_APPROX_NONE)
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