在文档上绘制边界框
Draw bounding boxes on document
我想在黑框周围绘制边界框但无法这样做，在底部附上代码。请纠正我的错误
来自 tutorial page:
In OpenCV, finding contours is like finding white object from black background. So remember, object to be found should be white and background should be black.
您必须反转图像。您可以使用 bitwise_not.
我想在黑框周围绘制边界框但无法这样做，在底部附上代码。请纠正我的错误
来自 tutorial page:
In OpenCV, finding contours is like finding white object from black background. So remember, object to be found should be white and background should be black.
您必须反转图像。您可以使用 bitwise_not.