Augmented reality is a form of virtual reality. It is live direct or indirect view of a physical, real-world environment whose elements are augmented by computer-generated sensory input such as sound, video, graphics or GPS data.
It can help us to navigate by enhancing the effectiveness of navigation devices. To illustrate, building and traffic information can be displayed virtually to facilitate navigation. Outdoor navigation for military operations and disaster management can also be optimized.
Google Earth is a program that uses augmented reality. Apart from discovering new places and finding out more precise information about places we know, augmented reality allows Google Earth to output traffic, people, and landscape.
Augmented reality can also be used in sports. For example, in American football, the touchdown line is shown virtually, whereas the players are real-world elements. Similarly, in swimming, telecasts often add a line across lanes to indicate the position of the current record holder as the race proceeds, allowing viewers to compare the current race to the record-winning performance.
What is a QR Code and what is it used for?
What is a QR Code and what is it used for?
QR codes, Quick Response code, is a matrix (2D) barcode originally used in the automotive industry. However, it has recently become mainstream and is used for various purposes, especially in smartphones. QR codes may contain URLs, which upon scanning, opens a link. QR codes also contain information and metadata.
QR codes are becoming increasingly popular, in June 2011, 14 million mobile users scanned a QR code. 58% of that figure was scanned from home, while 39% from retail stores.
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