Glow: How do you feel today?

Sometimes we read articles about which countries are the top 10 happiest countries in the world. This is a very general list that reflects year-round happiness. How about mapping your mood in real time, and comparing it with other people? Using an augmented reality view, you can even find out other people's moods in various countries. A new iPhone application called Glow allows you to put your current mood and to share it with your neighbors using augmented reality views. Furthermore, you can check the mood map for your country (or even the entire world) in real time.

Here are several mood maps from Central London, Europe, and North America at 15:00 London time on 10th June 2010.

4 technical concerns that must be overcome in augmented reality

In order for augmented reality to be successful, there are 4 main technical concerns we must consider in computer vision terms.
Here is a list:

1. Projection
2. Rendering
3. Location
4. Recognition

Here is some more information about those topics above.

In order to increase the array of virtual objects and real objects, we need good (fast) performance in recognition while the augmented really application is operating.

Here is an application which is using face recognition technology.