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Hello and welcome to this and you will listen in on Chad going to talk about types of augmented reality.

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The first time is Margolis a half or Mark less augmented reality.

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The second time is marker based augmented reality.

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The third type is projection based augmented reality and the fourth type is somewhat in position based

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augmented reality.

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Now we are going to explain each of them with an example

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as you can see in this image we have the marker based A.R. Some also call it to image recognition as

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it requires a special visual object and a camera to scan it and to be able to view it may be anything

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from a printed QR code to special signs they are device also calculates the position and orientation

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of a marker to position the content in some cases thus a marker initiates digital animations for users

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to view and so images in a magazine may be or may turn into a 3D model as you can see in this image.

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This is the marker based they.

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This is the mark.

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And this is our mobile device using its camera.

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We are going to capture the mark and capture its orientation the angle and everything.

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And we can view anything on this Mark.

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Now again if you did rotate around the table you can see different views of the house.

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You can see the front view the top view the bottom view on the right and left view.

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It's very hands full when you are viewing 3D objects and 3D models.

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I'm going to show you this type of a are in the practical section of this course.

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So stay tuned.

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We usually do the practical thing at the second half of our courses.

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Now let's talk about the second type of air.

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Now the second time is Mark loyalists or Mark Atlas A R.

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It's also called location based or position based augmented reality.

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It's the type that utilized a GP as a compass as it is called and an accidental meetup to provide that

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are based on user's location this debt then determines what they are content to find or get in a certain

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area with the availability of smart phones.

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This type of a r typically produces maps and directions nearby business information.

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Applications include events and informations.

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You can also view business ads pop ups and navigation supports just like the ones you find in Google

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Maps app the same concept was also used in the very popular game which is called Pokemon goal.

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You can look it up online to see how this marvelous A R was implemented.

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As you can see once you hold a device in that place and a certain place you in a certain G.P.S. coordinates

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it will show you information about that device.

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In this area as you can see in this image now the third type is called projection based.

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A R projection synthetics lie to physical surfaces and in some cases allows to interact with it.

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These are the holograms we have all seen in sci fi movies like Star Wars.

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It detects user interaction with a projection by its alternation.

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As you can see there is no physical shoes in this state or on this table.

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This is our projection of a 3D scan or a 3D let's say design of our shoes a company can use this to

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view or to show others their prototype or their products so that people can check the details of their

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product and sometimes they allow people to interact with them.

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So you can move it around with your hand depending on the type of technology used.

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It's very pleasant to see and it looks really like a sci fi movie and this time needs a projector to

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project the image usually a 3D projector.

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Now we come to the fourth type which is super imposition based in art.

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It replaces the original view with an augmented fully or partial view object recognition plays a key

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role without it.

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The whole concept is simply impossible.

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We have all seen the example of soba imposed augmented reality in Ikea catalog app.

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This app allows users to place virtual items of their furniture catalog in their rooms before buying

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them.

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So if you have a small room you can go and download IKEA catalog app.

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I will show you this in the practical section and you can see how you can easily place your furniture

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around to see if it fits in your room or not.

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Before buying it.

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And this saves a lot of money and help people choose what fit for them without having to buy items place

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them and find out later that the place doesn't fit these items and that they have to go back and replace

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it with another one.

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Ikea was the leader of this support and position based a R and it was a great step from them to use

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a r to make people's life easier.

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These are the four types of augmented reality.

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Next we are going to discuss the merge cube which we are going to apply in this course so that you can

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create your own augmented reality experience in your home.

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Thanks for watching this lesson.

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This is Ashraf from education an engineering team.