The background sound of an environment in relation to which all foreground sounds are heard, such as the 'silence' of an empty room, conversation in a restaurant, or the stillness of a forest.
环境的背景声音指的是所有可听到的突出声音，比如空房间里的“静默之声”，餐馆里的谈话，或者森林里的沉寂。
The foreground extraction method is quite suitable for picking up the target contour of the background image in a fixed area, such as monitoring of the surrounding environment of an ATM and the like.
本发明非常适合于固定区域的背景图像中提取目标轮廓，如ATM机周边环境的监控等。
The foreground extraction method is quite suitable for picking up the target contour of the background image in a fixed area, such as monitoring of the surrounding environment of an ATM and the like.
本发明非常适合于固定区域的背景图像中提取目标轮廓，如ATM机周边环境的监控等。
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