An effect where a portion of a background scene is replaced by a new video.

一种背景场景的一部分被一个新的图像替代的效果。

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The architecture design of the simulation system was discussed in detail, and the modeling of target movement, interference missile and complex background scene was investigated.

讨论仿真系统的结构，目标运动、干扰弹投放和复杂背景的建模。

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They are relative motion orbit simulation system for point target, MDIS simulation system for point target, and MDIS simulation system for general image sequences which include background scene.

最后，实现了点目标相对运动轨迹仿真系统，点目标电子稳像仿真系统和存在背景图像的电子稳像系统三个仿真演示系统。

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There is also a scene of a banner with an American flag in the background and the New York City skyline with the destroyed World Trade Center twin towers.

VOA: standard.2009.09.14

Formerly great names like Sumitomo, Mitsui, and Mitsubishi as well as outfits less well known outside Japan like Yasuda, Furukawa and Nakajima have faded into the background on the international scene, outmaneuvered and outplayed by younger nimbler firms in Japan as well as by American and European companies.

FORBES: Panasonic Steps Up Its Solutions Game

Each time a movie character handled or used tobacco, or even when tobacco was seen in the background, it was considered a smoking scene.

CNN: As movies portray fewer smokers, fewer teens light up

Watching the same show with Speech Enhancement made Dame Maggie Smith's character's words louder than the background music and other sound in a scene, so we didn't have to strain to hear.

WSJ: Review of Sonos Playbar: Raising the Bar for Better TV Sound