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Hi Guys welcome to motion tracking.



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Now in this lecture we want to look at Raqi motion and we are going to work on perspective.



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Gardner Because now we have a video clip here if we want to preview it now not um on half resolution



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here.



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I put it on auto to save some time so it can render all the movie and the view here is half of its final



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quality I can put on adaptive quality.



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But this is OK now it's rendering the whole movie by changing here to auto or full or quarter.



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Then you will be able to save on memory and increase the speed of rendering.



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Now we want to track something you see.



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This is a scene of a living room and on the TV here what's happening is some cartoons we don't want



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these cartoons.



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We want to put another movie.



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So how do we change the content of this movie.



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We are going to go to Cracker and we are going to select our leader and say truck motion I will come



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to transform here and choose perspective color pin and that will give us four corners to track and then



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we can replace them with any video or image or whatever we want there.



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I would click on it and I have the four corners I would go back to the beginning.



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OK you don't want to start doing this in the middle.



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And I will zoom in a bit.



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Now I have to adjust the four corners to the corners of the TV for example here in either case the first



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corner and tried to put as much as possible on the corner of the TV here will do for example take the



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other corner and just pull it over here.



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And maybe not want to go back.



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Yes.



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And we take the third corner from here and put it over here.



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That would do and take the last quarter and put it on the corner of the TV.



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Now I'm showing you something very simple something that's practical for you to replicate.



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We are starting to demonstrate how the collars will work so I'm not going to do something very fancy



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for you to get confused and give up.



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No there's something very easy and you want to go out and even take a shot of all your own living room.



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You know this is what I have done here I took a shot of the living room of my children.



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It's very simple video.



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The video is not even good quality It doesn't really matter.



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What matters is to train on the corner and to train on the track.



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Fun now that you put the tracking we want of course to analyze.



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Let's click on and our lives are not as if the points are going to stay in the corners of the TV and



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they're not going to start jumping around.



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It seems everything is working very fine.



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You notice how easy is it is not hard and it's very simple of course.



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If you go watching videos we're on YouTube where the guys are showing off their skills.



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You might be intimidated.



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But actually here it's very easy.



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Here you are.



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It's about to finish.



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Great.



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Now it has tracked everything it has analyzed.



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I want to bring another movie let's say we don't want this one.



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We want to take maybe the movie of the boat but this is a short movie.



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So let's go and bring another movie import file and I have a movie in mind that will make it interesting



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for the kids to watch which is the version we can take this movie for example and they just put it here.



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That's a nice video clip.



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So we brought it in.



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And we are going to drop it under or above the scene when I come to source I will choose my layer and



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then go to the death panel.



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And here we have them all right.



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And we say any target now.



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And we're going to dig version that.



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And before and click OK I would click on apply to apply and it goes back to the composition and not



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is what's happening here.



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The adversion video has an effect that is corner pin if you can to kind of pin here you will see them



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for the four corners so it has determined the four corners and also it has a position keyframes.



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So it has put the keyframe for the all the corners and also has given for the position.



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Now it seems like it's not working.



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That's because the version movie that is already cropped somehow is under the main layer.



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I will take it and put it above.



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Here you are now you notice that it has changed.



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If you come to the beginning and you have your preview which is the new movie on the TV and this is



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how you work on it it's not difficult.



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It's pretty easy and I encourage you to come and do some test.



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Of course this lecture is not that sophisticated for the purpose to show you how easy it is going to



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be for you to use the four corner pin and to replay certain areas of your movie by other movies or by



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other pictures or images whatever you want or even some other graphics that you can put there.



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I hope this was useful and you just had to aftereffects open it and create your own videos or impart



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some videos and start using the Connard bin and the tracking.



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You create something unusual in your videos.



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I see you in the next election.