如何拍攝物體並將其暫停在運動視頻中?


0

我知道這個問題沒有多大意義,所以請允許我解釋一下。

我看過很多視頻,其中大多數涉及運動和汽車,其中一個人/汽車被凍結,並且被凍結的對象正在視頻中的某個位置移動,它將接近被凍結的對象,並且當它與對象接觸時,該對象被凍結的對象現在將隨對象實時移動/刪除自身,並且視頻繼續播放。

我使用After Effects,我想知道如何做到這一點。如果有人可以提供幫助,我將非常感謝。

我花了一個小時試圖找到一個視頻,至少可以舉例說明我在說什麼,但我找不到,但是我知道我以前看過它。

0

I think you're looking for how to create Speed Ramping-type effects? Maybe something like this?


0

In simple terms you split the video at the frame you want the objects to join up at, then also make a still image of the object at that frame (Layer 1 = video end of sequence, Layer 2 = still image Layer 3 = video beginning of sequence). If the camera is moving you will have to track the still object to match Layer 3. So the still image gets closer to the moving object as Video/Layer 3 plays, then when the objects join video/layer 1 cuts in and continues.


0

I do not fully understand what you are asking, but if it is what I think you want there are two options.

1. Gren screen, so you can have your objects with a really fast way to mask them, and then having any manipulation you want.

2. Rotoscoping them, if it is from an already filmed video and no green screen can be made during filming.

Here is an example of rotoscoping with Natron, and I think you mean ta similar effect to this one.

It is using a manual mode of rotoscoping. As tech evolves some new methods of masking, especially if the background is fixed, can be done to automate this. Some new tracking system, pixel by pixel and AI-based would be a good option.