What is the difference between Augmented Reality, Virtual Reality, and QR Codes?

Augmented Reality

Augmented Reality (AR) is the merging of a view of the real-world environment augmented with computationally supplied information in real time.

Image retrieved from http://en.wikipedia.org/wiki/Augmented_reality

AR is essentially reality with technological enhancements, as the technology makes it possible to experience an additional layer of digital information within the real world.

 

Virtual Reality

Virtual Reality (VR) is a computer-generated simulation of highly realistic, three-dimensional images that allows users to interact with this artificial environment in a seemingly real or physical way. This often involves a person using special electronic equipment, such as a helmet with a screen inside or gloves fitted with sensors.

Image retrieved from http://en.wikipedia.org/wiki/Immersion_(virtual_reality)

Virtual Reality gained popularity in the 1980s, but current interest lies more with Augmented Reality. If Virtual Reality is a complete immersion in a digital world, Augmented Reality is a digital overlay onto the real world. It enhances the real world with digital data, and may therefore be considered more interesting than a completely fabricated environment.

 

QR Codes

A Quick Response Code (QR code) is a square pixelated 2D barcode that, when scanned by a camera phone equipped with the correct reader software, gives an instant link to a website, text, picture, etc.

Image created at http://qrcode.kaywa.com/

QR codes have several uses in education, but may eventually be replaced by AR, which allows for a much richer experience. Augmented Reality offers a new type of engagement that moves beyond text, images, or websites, and into users’ lives. This makes the AR experience more immersive, experiential, and shareable than the experience provided by QR codes.

 

References:

DENSO ADC. (2011). QR Code Essentials. Retrieved from http://www.nacs.org/LinkClick.aspx?fileticket=D1FpVAvvJuo%3D&tabid=1426&mid=4802

Kats, R. (2012). Augmented reality is the new QR code. Retrieved from http://www.mobilemarketer.com/cms/news/software-technology/13531.html

LaChapelle, N. (2010). What are the key differences between augmented reality and virtual reality? Retrieved from http://www.quora.com/What-are-the-key-differences-between-augmented-reality-and-virtual-reality#

Schonfeld, E. (2010). Augmented reality vs. virtual reality: Which one is more real? Retrieved from http://techcrunch.com/2010/01/06/augmented-reality-vs-virtual-reality/

Strout, A. (2013). The death of the QR code. Retrieved from http://marketingland.com/the-death-of-the-qr-code-37902

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