Augmented Reality Тест Upwork

Vuforia is a software platform for creating Augmented Reality applications ?
    Yes
    No

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?
    classical square marker
    2D barcode
    multimarker
    natural feature tracking
    3D-image marker

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?
    Bluetooth
    Object Tracking
    Geolocation

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.
    live, enhancing
    recorded, enhancing
    live, diminished
    recorded, diminished

Which of the following statements is True about HUD?
Note: There may be more than one right answer.
    A HUD is a display device paired to the forehead such as a harness or helmet
    HUD place images of both the physical world and virtual objects over the user's field of view
    Modern HUD 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
    All of the above

Which of the following is NOT a AR development toolkit?
    Layar SDK
    Blender 3D
    Catchoom CraftAR AR
    Vuforia

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?
    ilumination-noise
    signal-to-noise
    light-gathering
    CCD

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?
    projection
    view-direction
    viewpoint
    geolocation

(...) 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?
    Cloud Databases
    Device Databases
    Local Databases
    Target Databases

In Augmented reality applications, why is it important for markers to be rotationally asymmetric?
    to ignore unwanted rotation of virtual objects
    to distinguish between the four possible orientations of a marker in two dimensional space
    to provide faster and efficient object tracking when camera image is not ideal
    to distinguish rotation so that the virtual objects do not translate to another direction

In Augmented Reality, __ is useful for applications that need to recognize both individual words and series of words. The Vuforia software can detect any English word, with no need for training them beforehand?
    Text Recognition
    Voice Recognition
    Video Recognition
    All of the above

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?
    Extended Tracking
    GPS Tracking
    Voice Tracking
    None of the above

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?
    Voice Recognition
    Object Recognition
    Text Recognition
    Video Recognition

ARToolKit is software that lets programmers easily develop Augmented Reality applications. Which of the following is NOT a feature currently available?
    Natural Feature Tracking
    Camera Calibration Support
    Text recognition
    Unity3D and OpenSceneGraph Support

Which of the following 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.
    interest points
    fiducial markers
    optical flow
    projection mapping

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 numbers of 2D-barcodes can be used in a scene at little additional computational cost?
    2D-barcode
    3D-barcode
    barcode
    AR-barcode

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?
    device camera's field of view
    computational performance of the device
    type of marker

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?
    GitHub
    Server Side
    AWS
    None of the above

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?
    ARToolKit
    VRToolKit
    AutoToolKit
    None of the above

Augmented Reality Markup Language (ARML) is a data standard developed within the Open Geospatial Consortium (OGC) as following?
Note: There may be more than one right answer.
    Which consists of an XML grammar to describe the location and appearance of virtual objects in the scene
    As well as ECMAScript bindings to allow dynamic access to properties of virtual objects
    Consists of server side script to describe the location and appearance of virtual objects in the scene
    None of the above

A Systematic review of usability studies in Augmented Reality between 2005 and 2014?
      Methodology
      Results
      Key
      Earlier

Which of the following are types of HMDS?
Note: There may be more than one right answer.
      video see-through
      optical see-through
      video through
      optical through

Augmented Reality can be used for?
      Gaming and Marketing
      Teaching and Learning
      Geographical data and Social Media
      Industrial Service and Maintenance
      All of the above

Which of the following refers to the viewing of the physical world with computer-generated layers of information added to it?
      Virtual reality
      Augmented reality
      3D simulation
      Simulated realism

A _____ is a GPS coordinate that associates content such as videos, audio to a specific location?
      VR
      AR
      Geotag
      Map

A key measure of AR systems is how realistically they ____ augmentations with the real world?
      Integrate
      Elements
      VR
      Display

The ___ function controls building the Augmented Reality view?
      Overlay
      AROverlay
      buildAROverlay
      None of the above

Which of the following are components of an AR System?
      Head Mounted Display
      Tracking System (GPS)
      Mobile Computing Power
      All of the above

Which of the following is NOT correct about Augmented reality ?
      Augmented reality is a live 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.
      With the help of advanced Augmented reality technology (e.g. adding computer vision and object recognition) the information about the surrounding real world of the user becomes enhanced but it cannot be interactive.
      Augmented reality terminology comes from idea that the technology functions by enhancing one’s current perception of reality.
      Augmented reality basically brings out the components of the Digital world into our perceived Real world.

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

Modern mobile augmented-reality systems use one or more of the following tracking technologies. Which of the following is NOT commonly used for tracking purposes?
      Optical sensors
      Accelerometers
      RFID
      GPS
      Bluetooth

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.
      Input
      Output
      Tracking
      Processing

What are characteristics of  AR Browsers Layar?
Note: There may be more than one right answer.
      Layar is a tool to browse the world
      It enables exploration more informed decisions, serendipity and fun
      While looking through the phones camera lens, a user can see houses for sale popular bars and shops, touristic information of the area, play a live game
      None of the above

Which of following statements are correct for  Augmented Reality?
Note: There may be more than one right answer.
      Systems augments the real world scene
      User maintains a sense of presence in real world
      Needs a mechanism to combine camera and real worlds
      All of the above

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?
      Vuforia
      ARToolKit
      Catchoom CraftAR
      ARUnity

Definition of Augmented Reality?
Note: There may be more than one right answer.
      Combines real and virtual
      Is interactive in real time
      Registers in 3-D
      Registers in 3-D & 4D
      All of the above

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

How Augmented Reality works?
Note: There may be more than one right answer.
      Tracking device
      Computing
      Displaying objects
      All of the above

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.
      memory, input devices
      GPU, output devices
      display; input devices
      display, output devices

Augmentation is conventionally in real-time and in semantic context with environment.  Which option applies?
      elements
      tracking
      objects
      rendering

_____ 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?
      Image Targets
      Smart Terrain
      Frame Markers
      VuMarks

What is required to use AR?
Note: There may be more than one right answer.
      HW
      SW
      Content
      None of the above

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?
      Hiro
      Eagle
      One
      Snowman

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?
      Optical see-through
      Multimarker
      NFT
      2D-Barcode markers

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?
      two cameras
      two layers   
      environment
      virtual objects

Augmented reality allows video game players to experience digital game play in ___ environment?
      real world
      virtual world
      GPS
      Virtual object

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?
      Physical Objects
      Real Objects
      Dynamic Objects
      Hardware Objects

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.
      Appearance
      Fiducial
      Multi
      Single
      Barcode

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?  
      Light-gathering power of the lens
      Aperture
      Aliasing
      Sensor size

Which of the following characteristics is NOT related to Augmented Reality definition?
      Required a 2D-marker
      Interactive in real time
      Combines real and virtual
      Registered in 3D

What are gesture sensors integrated as add-ons to HMDs? (choose all that apply)
Note: There may be more than one right answer.
      Oculus DK2 and Leap Motion sensor
      Oculus Rift and Soft Kinetic
      Soft Kinetic and Meta Glasses
      Oculus DK3 and Motion
      None of the above

The intended purpose of the _____ often forces very different form factors and interactions?
      HMD
      SW
      Leap Motion Sensor
      Tracking

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?
      Border
      Code
      Contour
      Background

AR applications can also present location information by?
      simulations
      audio
      video
      rendering

An Augmented Reality application can contain various functions for video interaction.  Which one applies?
      audio
      video
      classes
      None of the above

Augmenting by the _____, A device can wear a special kind of decide, on the head or hand, which will give some information about the object, e.g., a head mounted display?
      user
      computer
      VR
      AR

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?
      Trackers
      Markers
      Calibrators
      Comparators

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?
      Clear Space
      Border
      Code
      Design Area

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 ____?
      Registration
      Distortion
      Rendering
      Processing

An AR system adds ___ generated objects audio and other sense enhancements to a real-world environment in real time?
Note: There may be more than one right answer.
      network computer
      virtual computer
      os computer
      linux computer

Which of the following is NOT an area from which AR demands more from sensors and trackers?
      Greater input variety and bandwidth
      Higher accuracy
      Frequency filtering
      Longer range

Which of the following are characteristics of AR systems?
      Combines real and virtual objects in a real environment
      Is interactive in real-time   
      Registers(aligns) real and virtual objects with each other
      All of the above

AR on ____ devices can give us real time information being projected and interacted on real world elements?
      navigation
      3D
      touch
      mobile

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?
      Code / Elements
      Contour
      Background / Design Area
      Clear Space

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.
      Eyeglasses
      Head-mounted display
      HUD
      EyeTap

 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.
      Data matrix codes
      QR codes
      Fiducial markers
      Image Targets

The accuracy requirements for the trackers and sensors in AR applications are driven by the accuracies needed for?
      Visual Registration
      User Registration
      VR Registration
      None of the above

Smart phones are the primary ____ for accessing AR content?
      tracking
      tools
      device
      None of the above

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?
      camera
      AR
      VR
      Hardware

AR displays can be ____ on devices resembling eyeglasses?
      Real world
      Rendered
      Display
      Sensor

__ 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?
      Frame Marker
      VuMark
      Smart Terrain
      Image Targets

It is referred to as Augmenting by a __ object when you are using a cell phone of other device like GPS.
      physical
      dynamic
      global
      None of the above

Which of the following values can be calculated and  display the data in an Augmented Reality view? (choose all that apply)
Note: There may be more than one right answer.
      Distance
      Bearing
      Degree
      Sensor

Marker Less AR uses GPS of mobile devices to record the device position and displays information relative to that location?
      mobile devices
      hardware devices
      screen devices
      All of the above

Sensors perceive data in the environment; they can be based on the _____ of different parameters?
      track
      touch
      detection
      sensor

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

Which of following Key Tracking Technologies?
      Market Tracking
      Marker Less Tracking
      Face Tracking
      Environment Tracking
      All of the above

_____  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?
      Image Targets
      Smart Terrain
      Frame Markers
      VuMarks

Considering Vuforia software, which of the following is NOT a component of VUMARK?
      Contour
      Border
      Clear Space
      Encryption

AR blends live and digital images in real time, using a  and a  screen?
      Audio, video
      Camera, video
      Device, motion
      3D, content

Augmented Reality Тест Upwork 2019