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Augmented reality

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Augmented reality

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1) Augmented reality definition
2) Basic Characteristics of Augmented reality
3) Where it’s been really used?
4) Key components of Augmented Reality technology
5) Working principle of AR
6) Conclusion

1) Augmented reality definition
2) Basic Characteristics of Augmented reality
3) Where it’s been really used?
4) Key components of Augmented Reality technology
5) Working principle of AR
6) Conclusion

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Augmented reality

  1. 1. contents  Augmented reality definition  Basic Characteristics of Augmented reality  Where it’s been really used?  Key components of Augmented Reality technology  Working principle of AR  Conclusion
  2. 2. Augmented reality definition “Augmented reality (AR) is a blend of elements of the virtual environment with the user’s environment in the real-time”.  In other words, Augmented reality (AR) is a live direct or composite view of a physical, real-world environment superimposed with virtual elements, which have augmented (enhanced) by computer-generated sensory input such as sound, video, graphics or GPS data.
  3. 3. Here, the giraffe is a virtual object, while the tree is the real one. With the use of AR, you can see the superimposition of both in the real-time. In other words, your actual view has augmented (enhanced) with a virtual giraffe in the real-time.
  4. 4. Basic Characteristics of Augmented reality: “Three Basic Characteristics of Augmented reality (AR)” are – Overlay of Real and Digital world Real-time interaction Registration and Alignment in 3D
  5. 5. The live telecast of any cricket match on TV, where you see a virtual line or curve representing the path of a ball? Is this an example of AR? Now the Answer would be Yes. In this example, virtual line or curve has created in the real- time by using the live feed from the match and thus meeting all the three basic characteristics of Augmented reality technology. Thus, Augmented reality definition is incomplete without these three basic characteristics.
  6. 6. Virtual path of a ball
  7. 7. Examples of AR- Use of Augmented Reality technology in the Real World AR has already been used in many areas. Some of the Augmented reality examples can be mentioned as below: AR Business card:
  8. 8. AR Business card:  During any conference or in any business meeting, sharing business card is one of the preferred ways to increase social networking contacts.  Conventional business cards typically contain a name, job title, phone number, address and website address. However, in AR business cards, an AR code is also present along with other useful information.  You can easily scan this AR code through your Smartphone. This enables you to get extra digital contents, like 3D or 360 degree videos of the relevant products.
  9. 9. Alive app by Times Group in India:  Alive, an AR-based application, is used to see exclusive content like animation, videos, photo shoots.  You can scan any printed image of newspaper, brochures, pamphlets, magazines.  It works by recognizing images, logos, location, QR codes, and objects in the real-time.
  10. 10. Alive app by Times Group in India:
  11. 11. Virtual furniture app:  For purchasing of home furnishing items, a lots of AR-based shopping applications are available on the internet.  These applications work by digitally adding virtual furniture to the real space available in the room  So, before buying actual furniture, you can place a photo- realistic virtual furniture in your room. Thus, you can have a feeling of “how it would look afterward?”
  12. 12. Virtual furniture app:
  13. 13. Trial Kart (an online dressing room app)  Using this, you can choose and try any product listed online to visualize how the piece of clothing or accessory would look on you.  To get a more realistic picture, zoom in, readjust and reorient options are also available
  14. 14. Augmented reality Technology- Responsible for great experience  Hardware, Software and a Remote server are the three major components of the Augmented Reality technology.  Key hardware components in AR-based devices are a processor, display, input devices and sensors. The display is either a monitor, handheld device, eyeglass or Head Mounted Displays (HMD).
  15. 15.  Virtual images, used for overlapping over the real live image, can be generated using 3D software. Software can be AutoCad3D, StudioMax or Cinema4D. CT and MRI data can also be added to the real world.  The input device is either the camera of a Smartphone or a webcam connected to the internet. Sensors are gyroscope or accelerometer of a mobile device or it could be an infrared sensor. Nowadays, a Smartphone consists of all hardware requirements of augmented reality.  Software plays a key role in the functioning of any device based on Augmented reality technology.
  16. 16.  Also, to experience Augmented reality, the end-user has to download a software application or browser plug-in.  Apart from this hardware and software, a web or cloud server plays an important role in storing the database of virtual images.  Based on the request received from AR application, virtual images are retrieved from the web or cloud server and sent to the application.
  17. 17. The below figure illustrates the key components of Augmented reality
  18. 18. How does Augmented reality (AR) work? Basic understanding of working principle Augmented reality based applications work on the basis of two types of approaches, named as Marker- based and Location-based. Location-based: When camera of a Smartphone having Location-based Augmented reality application is pointed towards a real scene, inbuilt GPS software recognizes the location of the device in the world.
  19. 19. Based on this recorded location and orientation of device recorded through inbuilt sensors, like accelerometer and gyroscope of the device, the application offers data, relevant to that specific location, towards which user is looking for. These digital informative data are then superimposed to the real scene, visible to device camera. Most widely implemented AR applications are having location-based AR approach. Below figure can effectively illustrate the working principle of Location-based AR applications.
  20. 20. Marker-based: You must have heard about QR code. This is the most common type of Marker-based Augmented reality. 2D bar-code is the simplest type of AR markers. And, more complex type consists of bright color and meaningful pictures. When a Smartphone having Marker-based AR application scans a pattern such as a bar-code or a symbol through the camera on it, the software recognizes it and superimposes a digital image on the screen. 3D or animated digital image is used for a better experience.
  21. 21. The Marker-based AR approach is also called as Recognition- based Augmented reality. The below figure can effectively illustrate the working principle of Marker-based type of AR applications.
  22. 22. Conclusion:  Augmented reality is not a term from science fiction movie rather this technology exists in our Real world.  Three Basic Characteristics are the inherent parts of the Augmented reality definition.  A lot of AR-based applications are already available both in Android and iOS platform.  The Technology used in AR combines Hardware, Software and Web server.
  23. 23.  Augmented Reality works based on two approaches, named as Marker-based and Location-based. These two approaches are the backbone of many AR-based applications.  Augmented reality is the real world enhanced with virtual objects where as Virtual reality is a full immersion into the virtual world.  Augmented reality is not a new technology. Due to recent growth in Digital marketing, companies and software developers have started to develop AR-based Hardware and applications.

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