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裁剪与调整大小
学习如何使用 OpenCV 裁剪和调整图像大小。
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示例图像
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图像中的XY坐标点
定义图像尺寸
1cv::Rect roi(0, 0, 300, 300);
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裁剪轮廓
裁剪图像
1croppedImg = img(roi);
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