Intro to AR/VR/MR/XR: Technologies, Applications & Issues | Week 2

                     

XR Concepts & Technologies Quiz

Course link: https://www.coursera.org/learn/intro-augmented-virtual-mixed-extended-reality-technologies-applications-issues

These are answers for intro to ar/vr/mr/xr technologies week 2

1. When solving a problem, when would VR not be an ideal solution? Choose all that apply.

There is a need for connecting with the real world

There are many visual elements

There is a need for 3D spatial interaction

The solution requires many non-visual elements

2. Which of the following are valid examples of AR displays? Choose all that apply.

A laptop showing a YouTube video

A smartphone showing a doggy face superimposed on your actual face making you look like a cute dog.

A classroom projector showing lecture slides on the wall

A headset showing the real world with virtual objects that appear as if they were part of the same world

3. One of the ways VR technologies work is by displaying a slightly different image to each eye. This is known as what?

Degrees of Freedom

Stereoscopic Display

Field of View

4. Which of the following are examples of autonomy / agency in VR? Choose all that apply.

The user can choose to interact with any objects in the scene.

The user can choose to navigate the scene in many different ways.

The user can choose the rendering quality in the settings menu.

The user can choose their own perspective on the scene .

The user can choose a level of difficulty in the game menu.

These are answers for intro to ar/vr/mr/xr technologies week 2

5. Which of the following statements best describes the feeling of presence in VR?

The user feels like they are there and that what they see is actually happening to them.

The user feels like all the content is just virtual and not real.

The user feels like everything is just happening in virtual reality.

6. In Michael’s DIRT Rally 2 VR demo, which factors contributed to a more immersive experience? Choose all that apply.

Car seat, steering wheel, handbrake, and gearshift

Sound of the car engine

Realistic-looking cars

7. What does it mean for the user when a VR headset supports six degrees of freedom (6 DOF) tracking? Choose all that apply.

The user will have to remain seated.

The user will be able to look and walk around in VR.

The user may lean forward to look more closely at the VR content.

8. What does it mean for the user when they are using a marker-based AR application? Choose all that apply.

The user may hold the marker in their hand to see the AR content.

The user may place a marker in the real world to see the AR content.

The user can move the device closer to the marker and the AR content will appear larger.

The user only needs to show the marker once to start the AR experience .

9. What does it mean for an AR display to have a small field of view (FOV)? Choose all that apply.

Only a small portion of the AR content can be seen at any one time

The visual area that can be augmented is small

The physical size of the display is small

10. What are good reasons to choose marker-less AR over marker-based AR? Choose all that apply.

When the goal is to create a strong AR experience

When the AR experience is room or world scale

When the user only has access to a webcam

When the user has access to an AR device with SLAM or VIO tracking

When the user wants to remain seated or has limited mobility

More in this line: https://progies.in/answers/summer-training-2022/intro-to-ar-vr-mr-xr-technologies-applications-issues

These are answers for intro to ar/vr/mr/xr technologies week 2


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