General Augmented Reality MCQs

1. _____ is a breakthrough technology that can reconstruct the user’s physical environment as a 3D mesh. It enables developers to create a whole new class of games and realistic product visualization experiences, where the content can interact with physical objects and surfaces in the real world?

2. Multiple can be used to represent different objects or coordinate systems in an AR application. Additionally, a pattern can perform an important function in calculating the orientation of a square , since a pattern, being rotationally asymmetric, distinguishes between the four possible orientations of a marker in two dimensional space?

3. The source code for this project is hosted on _____ and the compiled SDKs for all platforms (Mac OS X, PC, Linux, Android, iOS), along with the ARToolKit plug-in for Unity3D?

4. The __ is the mandatory blank area that appears adjacent to the border along its entire length. The can be either inside or outside of the border and is required in order to guarantee there is enough contrast for the algorithm to detect the Contour?

5. Vuforia, as well as other AR software kits, supports the tracking of multiple targets simultaneously.Which of the following is NOT a factor that impacts the maximum number of targets that can be tracked at the same time?

6. One of the most difficult parts of developing an augmented reality application is precisely calculating the user's viewpoint in real time so that the virtual images are exactly aligned with real world objects. ARToolKit uses computer vision techniques to calculate the real camera position and orientation relative to square shapes or flat textured surfaces, allowing the programmer to overlay virtual objects. ARToolKit currently do NOT support?

7. There are key optical variables (for camera hardware) of interest to AR SDK (like ARToolKit). Which of the following is NOT an important camera characteristic?

8. (...) are stored on the device with your app. You can load and unload (...) programmatically, and activate or deactivate them using the ObjectTracker API. Activating a loaded database enables Vuforia to detect any of the targets included in that database. The number of targets that can be active simultaneously, across one or more loaded (...), is constrained by the device context and its available resources?

9. _____ provide 512 numerically encoded markers that can be used with any image. Markers may be small and you can detect and track several of them simultaneously?

10. Which is types of HMDS?

11. AR blends live and digital images in real time, using a and a screen?

12. Considering Vuforia software, the _____ is a part of the VuMark that is implied by the line created when placing the Border and the Clear Space next to each other?

13. Spatial Augmented Reality (SAR) augments real world objects and scenes without the use of special displays such as monitors, head mounted displays or hand-held devices. SAR makes use of digital projectors to display graphical information onto?

14. One of the most difficult parts of developing an augmented reality application is precisely calculating the user's (...) in real time so that the virtual images are exactly aligned with real world objects. ARToolKit uses computer vision techniques to calculate the real camera position and orientation relative to square shapes or flat textured surfaces, allowing the programmer to overlay virtual objects?

15. ARToolKit is software that lets programmers easily develop Augmented Reality applications. Which is NOT a feature currently available?

16. Considering Vuforia software, which is NOT a component of VUMARK?

17. Represent images that the Vuforia SDK can detect and track. do not need special black and white regions or codes to be recognized. The SDK detects and tracks the features that are naturally found in the image itself by comparing these natural features against a known target resource database.

18. A larger lens and a larger physical sensor size are always desirable, so generally the choice of lens and sensor is determined primarily by cost and size constraints. Sensors on most consumer-level webcams are 1/4 inch ____ or CMOS sensors?

19. The ___ consists of Elements and the type of data and length of the value/ID that is encoded determine the number of Elements. The larger the value length, the larger number of elements that are required?

20. ARToolKit is software that lets programmers easily develop Augmented Reality applications. __ is multi-platform, running on the Windows, Mac OS X, Linux, iOS and Android operating systems?

21. A Systematic review of usability studies in Augmented Reality between 2005 and 2014?

22. Traditionally, applications built on ARToolKit use a video feed on which augmentations are overlaid. ARToolKit also supports using __ displays for augmented reality. Instead of rendering both the background camera feed and the augmentations, the _____ renders the augmentations, and background is the world around you?

23. Which is NOT an area from which AR demands more from sensors and trackers?

24. A __ marker is an easily detected feature in proximity to and as a point of reference to an object targeted for tracking. __ markers can be knowingly and intentionally placed or naturally exist in a scene. Natural Feature Tracking (NFT) is the idea of recognizing and tracking a natural scene that is not (seemingly) augmented with markers.

25. Which is NOT a method of detection from Camera images? A key measure of AR systems is how realistically they integrate augmentations with the real world. The software must derive real world coordinates, independent from the camera, from camera images. That process is called image registration which uses different methods of computer vision, mostly related to video tracking.

26. ARToolKit is well known for the appearance of its about the traditional template square marker: square markers with a black border, and with an arbitrary user-definable image in the interior. The '__' marker used by default in the ARToolKit examples is an iconic example?

27. In Vuforia Software kit, ___ allows the tracking a degree of persistence once a target has been detected. As the target goes out of view, Vuforia uses other information from the environment to infer the target position by visually tracking the environment?

28. One of the most basic problems currently limiting Augmented Reality applications is the ____ problem. The objects in the real and virtual worlds must be properly aligned with respect to each other, or the illusion that the two worlds coexist will be compromised. More seriously, many applications demand accurate ____?

29. A _____ is a GPS coordinate that associates content such as videos, audio to a specific location?

30. Augmented reality allows video game players to experience digital game play in ___ environment?

31. AR displays can be ____ on devices resembling eyeglasses?

32. AR applications can also present location information by?

33. Which characteristic is NOT related to Augmented Reality definition?

34. In Vuforia, ___ allows you to detect and track intricate 2D objects. It has been designed to work with toys (such as action figures and vehicles) and other consumer products?

35. The intended purpose of the _____ often forces very different form factors and interactions?

36. AR on ____ devices can give us real time information being projected and interacted on real world elements?

37. The accuracy requirements for the trackers and sensors in AR applications are driven by the accuracies needed for?

38. __ is a completely customizable marker that can be placed on any surface. It provides the freedom to create customized and brand conscious designs that support both AR experiences and data encoding in a variety of formats?

39. Sensors perceive data in the environment; they can be based on the _____ of different parameters?

40. Smart phones are the primary ____ for accessing AR content?

41. To enable rapid development of Augmented Reality Application, some software development kits (SDK) have emerged. Which of the following is NOT a well known AR SDKs?

42. Hardware components for augmented reality are: processor, _____, sensors and __. Modern mobile computing devices like smartphones and tablet computers contain these elements which often include a camera and MEMS sensors such as accelerometer, GPS.

43. AR applications allow tourists to experience ___ of historical events, places and objects by rendering them into their current view of a landscape?

44. It is referred to as Augmenting by a __ object when you are using a cell phone of other device like GPS.

45. Which value can be calculated and display the data in an Augmented Reality view? (choose all that apply)

46. A key measure of AR systems is how realistically they integrate augmentations with the real world. The software must derive real world coordinates, independent from the camera and camera images?

47. Recent hit game Pokemon Go use combination of technologies such as Augmented Reality and (...) , as “trainers” seek out and catch wild Pokémon monsters in real-world locations?

48. Augmented reality (AR) is a (...) direct or indirect view of a physical, real-world environment whose elements are augmented (or supplemented) by computer-generated sensory input such as sound, video, graphics or GPS data. It is related to a more general concept called mediated reality, in which a view of reality is modified (possibly even diminished rather than augmented) by a computer. As a result, the technology functions by (...) one’s current perception of reality. By contrast, virtual reality replaces the real world with a simulated one.

49. What are gesture sensors integrated as add-ons to HMDs? (choose all that apply)

50. Which is NOT a AR development toolkit?

51. Which answer describes Key Tracking Technology?

52. What is required to use AR? (choose all that apply)

53. Augmented Reality Markup Language (ARML) is a data standard developed within the Open Geospatial Consortium (OGC). Which answers are related to this? (choose all that apply)

54. In Augmented Reality, __ is useful for applications that need to recognize both individual words and a series of words. The Vuforia software can detect any English word, with no need for training them beforehand.

55. Augmented Reality can be used for?

56. Modern mobile augmented-reality systems use one or more of the following tracking technologies. Which is NOT commonly used for tracking purposes?

57. In Augmented reality applications, __ markers are recognized in constant time meaning that different 2D-barcodes will take about the same amount of computer time to be recognized. Therefore, a large number of 2D-barcodes can be used in a scene at little additional computational cost.

58. Google’s technology consists of contact lenses built with special sensors that measures sugar levels in tears using a tiny wireless chip and miniature sensor embedded between ___ of soft contact lens material?

59. In Augmented reality applications, why is it important for markers to be rotationally asymmetric?

60. An Augmented Reality application can contain various functions for video interaction. Which one applies?

61. Augmentation is conventionally in real-time and in semantic context with environment. Which option applies?

62. The ___ function controls building the Augmented Reality view?

63. What is the definition of Augmented Reality? (choose all that apply)

64. Which refer to the viewing of the physical world with computer-generated layers of information added to it?

65. __ for Unity is a plugin for the Unity game engine that integrates ARToolKit's augmented reality with Unity's graphical and game development features?

66. An AR system adds ___ generated objects audio and other sense enhancements to a real-world environment in real time? (choose all that apply)

67. How does Augmented Reality work? (choose all that apply)

68. Which is component of an AR System?

69. Modern mobile Augmented Reality systems use one or more of the following _____ technologies: digital cameras and/or other optical sensors, accelerometers, GPS, gyroscopes, solid state compasses, RFID and wireless sensors.

70. A key measure of AR systems is how realistically they ____ augmentations with the real world?

71. Which is characteristic of AR systems?

72. In the ARToolKit software, default camera properties are contained in the camera parameter file camera_para.dat, that is read each time an application is started?

73. A (...) is a display device paired to the forehead such as a harness or helmet. (...) places images of both the physical world and virtual objects over the user's field of view. Modern (...) often employ sensors for six degrees of freedom monitoring that allow the system to align virtual information to the physical world and adjust accordingly with the user's head movements.

74. Which is NOT correct about Augmented reality ?

75. Which statement is correct for Augmented Reality?

76. In Vuforia, the number of targets that your app can recognize and track simultaneously will depend on the types of databases that you utilize and also the target types. Vuforia supports both local and online target databases for Image Targets. These are referred to as (...) and (...) databases respectively?

77. _____ overlay digital information onto the real world.