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Guys in this lecture we are going to look at the subtractive category which is very important that's

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open the composition subtractive.

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And here I have the video.

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And you notice we have two videos one behind for the clouds and one in front.

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That is the ghost but the ghost video first of all it's a motion graphic video.

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Now the mods will work for you for any video if it's motion graphic or if it is you know normal video

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shot using a camera go.

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So I want to eliminate the white here or I want to eliminate the white collars.

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It just makes sense that I darkened the video until the white disappeared for that.

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Of course we are going to use this subtractive category.

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Let's try that.

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Now that has worked very nicely.

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Let's pull it off and look at it again.

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We notice here the colors.

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It's dark here.

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If if I do.

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Now this is a bit somehow the same color but the change a bit but the whole white area has disappeared.

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This is the major role of this category and it's important that you learn that because sometimes you

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will be bringing PND or pick images and you want to remove that white that that is behind them so you

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don't have to mask all the way you can just use this blending more.

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Let's try and multiply this with multiplied the colors here and becoming darker.

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They are getting nearer to the original and I like that that's better.

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But I have a line here that is appearing I could fix that line by putting a big mask just a square mask

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around the video.

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And then this line will disappear.

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That's one way to do it.

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Let's try colorable not the same but you're not is now.

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The colors here have really been darkened and a blue is appearing.

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So mixing the greenish colors that we have in the ghost movie with the clouds here and to the gray.

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We have something like is blue.

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There is nothing you can do about this.

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We can't change it to go to a classical liberal which is the same almost.

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And you can change Jew Lindenberg now we have here a better image somehow.

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The gray appearing even more and this mixing better with the cloud.

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The nicest it will be a darker color not is that the video here of the ghost is becoming lighter.

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And you know it's mixing more look at the bluish here.

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Let's go back to the best one which is multiply here because I can see the gray everywhere.

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So this is the job or the first job of the subtractive category.

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Let's try another example and put these two off and open the shy and you put this image on.

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Now this is a very beautiful image.

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Let's note what's happening in this image.

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First of all we have some dark colors all over.

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That's very beautiful.

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And we have some bright colors here or light colors that we want to change for example and give it another

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on yours for the picture you know change it all together.

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We can come to the background here.

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We have a background that put a bluish background.

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What happens if we add here multiply and it is what's happening.

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All the white colors all the bright colors disappear and the picture has been darkened using the background

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colors which is the blue.

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If I put another kind of background color on the other things would have happened.

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For example I don't know if we can get this one.

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Let's try this.

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OK.

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But this one will crack the whole picture all together and it's quite something that you want to use

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them.

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Maybe you can open the opacity reduce the opacity for this picture in the background picture.

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And here you are you are playing with it and is giving you this you know marvelous effects that you

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can really not get anywhere else except of course in Photoshop.

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Fine.

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Let's do this one.

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And here we turn it into a brew.

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Let's try and for the guitarist Let's try the darker colors and look what's happening here.

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The darker colors we went extreme and some colors really disappeared and the sky now is blue.

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What disappeared is all the light colors.

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Notice how his hand was white.

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Let me remove this one.

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Call this the white here.

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The brightness on the hand is the brightness here.

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And when you pull it back you see have all disappeared.

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So this is very interesting.

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So the way to work is to come to your image and decide exactly what you want to remove.

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Do I really want to remove the wider area and darken the picture or do I want to do it the other way

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or do you see that in the next lecture.

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So here you are you have changed them.

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Let's try something.

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As for example the caliber nice effect beautiful effect.

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In fact you have changed everything in the image.

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Of course this has its own use not that you cannot keyframe the moment of course.

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Now let's go try another example I won't show you here I have a very beautiful photo.

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This is the lady looking up and it's all bright colors.

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So you might think that OK if I darken this I will get rid of this white actually not really.

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If you look at her face and you look what she's wearing.

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It's all white.

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So if you try to darken it what will happen is all the whites everywhere or the light colors will disappear.

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There's light in the clouds with the clouds.

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But at the bottom underneath.

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And we have here darken or multiply.

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And that is what's happening here really.

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Not exactly what we want.

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OK.

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Unless this is what you want but this is not good because look at the face.

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What's happening here.

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The Glee song is not good.

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Let's try to darken it.

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Well that's much better.

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But now we have some areas that are very funny.

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So it's not like because you have white you can play with the multiplier.

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You must study your video and your images to really guess what kind of blending will work.

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And if blending works for you and for the two videos that you have.

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Thank you very much for listening.

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This was about the blending mode the first blending mode which is the subtractive category.

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I'll see you in the next lecture with another category.