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Completed: / exercises

HW3 (for Cardboards): Bad Visuals, What Makes Content Eye-Friendly?

Due date: 2025-11-24 23:59.

Download

Start with downloading the following VR Cardboard application:

For Students with Their Own HMDs

Please complete the alternative HMD-based assignment.

Find Visual Phenomena/Flaws

The objective of this homework is to teach you to recognize various unwanted phenomena/flaws in VR. After downloading the file, make sure to use the correct QR code that you generated in HW1 when running the application. To interact with the environment in this apk, you’ll use the "gaze" method, which involves looking at an interactive object or button and waiting for about a second.
The VR experience consists of nine rooms, each simulating different hardware, software, and design flaws. We've designed each room with one specific phenomenon/flaw in mind, something that is perceptually most obviously wrong in that room. Your task is to identify and describe this phenomenon/flaw in each room and answer our questions below.
To rephrase, we intentionally introduced software bugs in each room and your goal is to use what you've learned in class to make an informed judgment about what we might have done. This homework can be seen as an inspiration for your final project, in which you could implement more perceptual flaws/tunings/illusions of your choice.

Question 1

Why is viewing the red cube uncomfortable in Scene 1?
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Question 2

What is the biggest reason behind judder and tracking delay in Scene 2?
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Question 3

What makes the cube in Scene 3 unusual?
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Question 4

Why do you feel like your eyesight for one eye is poorer than another in Scene 4?
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Question 5

What is unusual about the painting displayed in Scene 5?
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Question 6

Which one of the statements is correct about the paintings on the wall of Scene 6? You can read more about these paintings by Salvadore Dali here.
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Question 7

When you stare at a point on the wall of Scene 7, you notice that the room rotates slowly. What might be the reason behind it?
Hint: You might need to wait a minute or two to notice the problem.
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Question 8

How do you feel inside Scene 8?
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Question 9

Why is Scene 9 an example of bad project design?
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Question 10

In which of the rooms does diplopia occur?
Hint: Look at various objects with one eye at a time, and observe if what you see is different in two eyes.
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Authors

Max Garcia, "Venkat Swaraj Goli", Aayush Kafle, and Anna LaValle.
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Lectures and labs schedule for the VR Systems and Humans course, Fall 2024
Lecture slides, VR Systems and Humans course, University of Oulu
Informative Guides to Help You Design, Develop, and Distribute Your VR App.
The platform for interactive, real-time, 3D content creation.
Virtual Reality, LaValle 2016 is the free online textbook we use in this course.
YouTube Channel: VR Systems and Humans, Fall 2022
University of Oulu