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Computer Graphics

Internet TV

Technology
Internet TV
Monday, October 22, 2007
0 Comments :: Article Rating :: Computer Graphics, Media, e-commerce

The dream has finally come true. There was so much hype around TV getting streamed over the internet for the past decade or two. But now, the new model is well established. Content is truly dynamic these days, from production to distribution, to rating, commenting and feeding. There is always someone who is producing something for any imaginable taste. The best way to find these videos is to see what likeminded people watched. Computers take care of it all now. For every type of content (like comedy, thriller, cooking, etc.) computers combine two kinds of data: what I like to watch and what others like me like to watch. It is quite efficient. The computer knows when I watch programs, what I watch, when I stop watching them and how I reacted to programs it chose for me. It also has access to similar content through channels, feeds and ratings provided by other citizens of this planet. Basically, everyone is programming the machines for everyone’s benefit. At last we are free. Gone are the days we had to watch low quality programs when they wanted us to see them.

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Virtual World

Technology
Virtual World
Tuesday, October 16, 2007
0 Comments :: Article Rating :: Artifical Intelligence, Computer Graphics, Media

Imagine a world where you have two lives; real and virtual. Imagine that the virtual world looks and sounds just as real as the real world. Imagine that when you are in the real world and you see something, you get the same reaction as you do when you watch a movie. Imagine being able to interact with objects and people in that world and manipulate them as you wish. Imagine being someone else. Someone you wanted to be, but could never do in reality. Imagine interacting with others in ways you could never dream of doing in the real world.

This imaginary world can be a Virtual World or a Virtual Reality. With virtual reality you also get to immerse yourself using head mounted displays or other type of real-world sensors and projectors to enhance the virtual experience.

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Multi-Touch Displays

Technology
Multi-Touch Displays
Saturday, October 13, 2007
0 Comments :: Article Rating :: Computer Graphics, Gadgets, Media, Electronics Engineering, Human-Machine Interface

You have arranged a meeting and your visitors have just arrived. You guide them into the appropriate meeting room and after the initial greetings everyone is getting themselves prepared for the meeting to start. Naturally, you want to exchange business cards with everyone and also distribute some flyers about the projects you are doing. Everyone place their mobile phones on the Display Table at the centre of the meeting room. You simply drag all the files by your finger to the mobile phones that are placed on top of the screen. The files are copied wirelessly to their mobiles. The process is secure since only those mobiles that are physically on the screen will get the files and you know that the system will take care of the rest. Sometime later, everyone is standing next to the screen hanging on the wall. Everyone is busy rotating the 3D models so they can get a feel for this new version of the plastic toy you want to manufacture for your customer. Working simultaneously, they use their fingers and use touch gestures to interact with the screen, zooming, rotating and shaping the model as they like.

Display tables are displays that are laid out horizontally with touch sensors. The sense of touch is captured with different techniques such as camera, pressure or temperature sensors.

Since you can use touch, it is believed that you will achieve certain tasks more naturally and intuitively. For example, to do a drag and drop, you may use your finger to touch the display and move one digital object from one place to another place. You can also use the device collaboratively with someone else to exchange digital material. The beauty of this interface is that you won’t need any instructions to operate a new software service. You can use your intuition to find your way around and interact with objects displayed.

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Flexible Displays

Technology
Flexible Displays
Wednesday, October 10, 2007
0 Comments :: Article Rating :: Health, Computer Graphics, Mechanical Engineering, Media, Electronics Engineering, Human-Machine Interface

1. What is it about

You are sitting in a train. You were lucky to find a seat with a table in front of it. Great! Now, you can get some work done. You are travelling light. You just want to note down some of your thoughts from the previous meeting before you head for the next one. You take out you iTube. It is a cylindrical object with a few buttons on it. You press one of the buttons and roll out a fairly large display until the device clicks. Done! You put it on the table. It’s time to reach for the other gadget in your pocket. This one is also wrapped. You unwrap the keyboard and put it next to your display. You press a button and all devices come out of sleep. The display is now on. You tap on the display to activate an application. No you start typing away. You always preferred your own keyboard. The keyboard and the display are wirelessly connected to the PDA which is somewhere in your pocket. You are online … You are glad you didn’t have to bring that heavy laptop again. This is so much better.

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Augmented Reality

Technology
Augmented Reality
Sunday, October 7, 2007
0 Comments :: Article Rating :: Computer Graphics, Gadgets, Human-Machine Interface

You are in a science museum wondering about the complexity of the mechanical clock in front of you. It’s simply amazing. It has got your attention. You want to know more about it. The clock is almost 100 years old, but its enormous and has so many parts. You are wondering how it actually works. What turns what, and what is that cylinder for? You switch to augmented reality to get a better idea. Now you can see the names of the components overlaid on what you see in the museum. The gears are drawn with a different colour. You make a gesture to open the box behind the face of the clock and now you can see how the gears inside look like. Then you make another gesture and the gears start rotating. Aha! Now you understand the role of that cylinder. So that’s how it works …

Augmented reality is a display system that combined the reality with virtual data. The system is interactive in real-time and virtual objects are generated and inserted into the world as 3D items. Augmented reality is strongly related to Location Based Information Delivery in terms of combining digital information with real world images. The difference is that augmented reality mainly deals with 3D objects and is interactive.

Some believe that reality, augmented reality, augmented virtuality and virtual reality, belong to a Virtuality Continuum where you may go from one extreme to another. In effect they all belong to Mixed Reality.

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