From Research Insights to a Living Ambient Avatar

From Research Insights to a Living Ambient Avatar

From Research Insights to a Living Ambient Avatar

How I designed an adaptive, human-centered ambient avatar for automated vehicle HMIs in immersive environments.

How I designed an adaptive, human-centered ambient avatar for automated vehicle HMIs in immersive environments.

How I designed an adaptive, human-centered ambient avatar for automated vehicle HMIs in immersive environments.

Company

Company

Company

Duration & Year

Duration & Year

Duration & Year

My Role

My Role

My Role

Team

Team

Team

Spiegel Institut

Spiegel Institut

Spiegel Institut

6 months (2025)

6 months (2025)

6 months (2025)

UX Researcher

UX Researcher

UX Researcher

Context

Context

Context

This case study stems from my master thesis in UX Design on the design of ambient avatars within automated vehicles scenarios. Through an iterative process combining user research, expert insights, and user testing in MR and VR, a concept is evaluated that enhances passenger perception.

This case study stems from my master thesis in UX Design on the design of ambient avatars within automated vehicles scenarios. Through an iterative process combining user research, expert insights, and user testing in MR and VR, a concept is evaluated that enhances passenger perception.

This case study stems from my master thesis in UX Design on the design of ambient avatars within automated vehicles scenarios. Through an iterative process combining user research, expert insights, and user testing in MR and VR, a concept is evaluated that enhances passenger perception.

Problem

Problem

Problem

The Communication Breakdown: Designing for Perception in Automated Vehicles

The Communication Breakdown: Designing for Perception in Automated Vehicles

The Communication Breakdown: Designing for Perception in Automated Vehicles

In self driven vehicle, passengers often find it difficult to interpret the vehicle’s intentions, leading to uncertainty and panic.

In self driven vehicle, passengers often find it difficult to interpret the vehicle’s intentions, leading to uncertainty and panic.

In self driven vehicle, passengers often find it difficult to interpret the vehicle’s intentions, leading to uncertainty and panic.

I faced several challenges:

I faced several challenges:

  • Communicate intent clearly.


  • Function across VR and MR.


  • To foster trust, not distraction.

  • Communicate intent clearly.


  • Function across VR and MR.


  • To foster trust, not distraction.

  • Communicate intent clearly.

  • Function across VR and MR environments.

  • To foster trust, not distraction.

Research Methodology

Research Methodology

Research Methodology

I followed the Double Diamond design process to structure the overall research and interaction design.

I followed the Double Diamond design process to structure the overall research and interaction design.

I followed the Double Diamond design process to structure the overall research and interaction design.

Focus Group Workshop

Focus Group Workshop

Focus Group Workshop

For a strong foundation for the ambient avatar concept, I conducted a workshop with experts from Spiegel Institut GmbH. The goal was to process from scratch, involve key stakeholders early, and minimize personal biases in concept development.

For a strong foundation for the ambient avatar concept, I conducted a workshop with experts from Spiegel Institut GmbH. The goal was to process from scratch, involve key stakeholders early, and minimize personal biases in concept development.

For a strong foundation for the ambient avatar concept, I conducted a workshop with experts from Spiegel Institut GmbH. The goal was to process from scratch, involve key stakeholders early, and minimize personal biases in concept development.

My Role

My Role

My Role

Participants

Participants

Participants

Domain

Domain

Domain

Duration

Duration

Duration

Facilitator

Facilitator

Facilitator

5 Experts

5 Experts

5 Experts

HMI, UX ,PSYC

HMI, UX ,PSYC

HMI, UX ,PSYC

60 min

60 min

60 min

Empathy & Problem Statements

Empathy & Problem Statements

Empathy & Problem Statements

In Empathy phase, experts were asked to think like passengers who are travelling in automated vehicle and write how they Think, Feel, Say, DO and form How Might We questions on the basis of those highlighted problems.

In Empathy phase, experts were asked to think like passengers who are travelling in automated vehicle and write how they Think, Feel, Say, DO and form How Might We questions on the basis of those highlighted problems.

In Empathy phase, experts were asked to think like passengers who are travelling in automated vehicle and write how they Think, Feel, Say, DO and form How Might We questions on the basis of those highlighted problems.

Brain Storming: Crazy 8s

Brain Storming: Crazy 8s

Brain Storming: Crazy 8s

Experts were assigned task to fold paper in 8 small frames and make 1 concept in 1 min to answer the HWM questions through their sketches. Time pressure helped them to not influenced by others concepts.

Experts were assigned task to fold paper in 8 small frames and make 1 concept in 1 min to answer the HWM questions through their sketches. Time pressure helped them to not influenced by others concepts.

Experts were assigned task to fold paper in 8 small frames and make 1 concept in 1 min to answer the HWM questions through their sketches. Time pressure helped them to not influenced by others concepts.

Selection & Prioritisation

Selection & Prioritisation

Selection & Prioritisation

2 Concepts were selected based on mutual voting and discussion.

2 Concepts were selected based on mutual voting and discussion.

2 Concepts were selected based on mutual voting and discussion.

Low-Fi Prototype

Low-Fi Prototype

Low-Fi Prototype

Concept Challenges

Concept Challenges

Concept Challenges

  1. Display real time obstacle & upcoming obstacles.

  2. Colour scheme to show the urgency without panic.

  3. Position avatar in the car.

Purposed Solutions

Purposed Solutions

Purposed Solutions

  1. The loop in avatar can anticipate about the upcoming obstacle, while the size address the distance from obstacle.

  2. Avatar display in rear screen or along the dashboard and should always stay ON.

  1. The loop in avatar can anticipate about the upcoming obstacle, while the size address the distance from obstacle.

  2. Avatar display in rear screen or along the dashboard and should always stay ON.

Concept Development

Concept Development

Concept Development

Iteration and Final Developed Scenarios

Iteration and Final Developed Scenarios

Iteration and Final Developed Scenarios

The initial concept was further refined from a horizontal to a vertical orientation to better align with the motion of the automated vehicle. Based on this final design, we developed and tested multiple user scenarios to evaluate interaction, situational awareness, and overall user experience.

The initial concept was further refined from a horizontal to a vertical orientation to better align with the motion of the automated vehicle. Based on this final design, we developed and tested multiple user scenarios to evaluate interaction, situational awareness, and overall user experience.

The initial concept was further refined from a horizontal to a vertical orientation to better align with the motion of the automated vehicle. Based on this final design, we developed and tested multiple user scenarios to evaluate interaction, situational awareness, and overall user experience.

Task 1: Pedestrian Crossing 

The vehicle detects the pedestrian behind another parked vehicle and represents in oranger color with distance representation.

The vehicle detects the pedestrian behind another parked vehicle and represents in oranger color with distance representation.

The vehicle detects the pedestrian behind another parked vehicle and represents in oranger color with distance representation.

Task 2: Construction site 

The vehicle detects the construction side during turn and represents in brown color with zigzag patterns.

The vehicle detects the construction side during turn and represents in brown color with zigzag patterns.

The vehicle detects the construction side during turn and represents in brown color with zigzag patterns.

Task 3: Parking to Destination

The vehicle detects the normal and narrow parkings in green color and intended parking with a clear white glow.

The vehicle detects the normal and narrow parkings in green color and intended parking with a clear white glow.

The vehicle detects the normal and narrow parkings in green color and intended parking with a clear white glow.

Final Ambient Avatar Concept

Final Ambient Avatar Concept

Final Ambient Avatar Concept

Development Flowchart

Development Flowchart

Development Flowchart

User Testing

User Testing

User Testing

Study Design

Study Design

Study Design

Users

Users

Users

84 Participants

84 Participants

84 Participants

Experiment

Experiment

Experiment

Between Subject Design

Between Subject Design

Between Subject Design

DVs

DVs

DVs

SA, UX, Trust, Presence, RT

SA, UX, Trust, Presence, RT

SA, UX, Trust, Presence, RT

IVs

IVs

IVs

Avatar (No, Yes) World (VR, MR)

Avatar (No, Yes) World (VR, MR)

Avatar (No, Yes) World (VR, MR)

Data Analysis Methods

Data Analysis Methods

Data Analysis Methods

Impacts

Impacts

Impacts

Faster reactions with an ambient avatar

Faster reactions with an ambient avatar

Users reacted faster to critical events when the ambient avatar was present, in both VR and MR conditions, compared to a no-avatar baseline.

Users reacted faster to critical events when the ambient avatar was present, in both VR and MR conditions, compared to a no-avatar baseline.

Users reacted faster to critical events when the ambient avatar was present, in both VR and MR conditions, compared to a no-avatar baseline.

No Changes in Subjective Experience

No Changes in Subjective Experience

Self-reported trust, UX, situational awareness, and immersion scores did not differ significantly between avatar and no-avatar conditions.

Self-reported trust, UX, situational awareness, and immersion scores did not differ significantly between avatar and no-avatar conditions.

Self-reported trust, UX, situational awareness, and immersion scores did not differ significantly between avatar and no-avatar conditions.

Design Implication

Design Implication

The findings indicate that ambient, non-human avatars can support faster reactions in automated driving scenarios present companions that quietly enhance safety without overwhelming the passenger experience.

The findings indicate that ambient, non-human avatars can support faster reactions in automated driving scenarios present companions that quietly enhance safety without overwhelming the passenger experience.

The findings indicate that ambient, non-human avatars can support faster reactions in automated driving scenarios present companions that quietly enhance safety without overwhelming the passenger experience.

Limitations

Limitations

Limitations

  • Single-Modality Interaction.

  • Controlled Lab Setting.

  • Sample Size Constraints.

  • Short-Term Exposure.

  • Limited Diversity in User Pool.

  • Single-Modality Interaction.

  • Controlled Lab Setting.

  • Sample Size Constraints.

  • Short-Term Exposure.

  • Limited Diversity in User Pool.

  • Single-Modality Interaction.

  • Controlled Lab Setting.

  • Sample Size Constraints.

  • Short-Term Exposure.

  • Limited Diversity in User Pool.

Future Works

Future Works

Future Works

  • Explore Multimodal Avatars.

  • Field Testing in Real Vehicles.

  • Scalability and Avatar Personalization.

  • Broader Demographics.

  • Cognitive Load Assessment.

  • Explore Multimodal Avatars.

  • Field Testing in Real Vehicles.

  • Scalability and Avatar Personalization.

  • Broader Demographics.

  • Cognitive Load Assessment.

  • Explore Multimodal Avatars.

  • Field Testing in Real Vehicles.

  • Scalability and Avatar Personalization.

  • Broader Demographics.

  • Cognitive Load Assessment.

Takeaways

Takeaways

Takeaways

This research, planned for publication at the HCI Conference, showcases a user-centered approach to designing ambient avatars in autonomous vehicles.

This research, planned for publication at the HCI Conference, showcases a user-centered approach to designing ambient avatars in autonomous vehicles.

This research, planned for publication at the HCI Conference, showcases a user-centered approach to designing ambient avatars in autonomous vehicles.

Interested in working together? I will love to hear from you.

Muhammad Amin © 2026

Interested in working together? I will love to hear from you.

Muhammad Amin © 2026

Interested in working together? I will love to hear from you.

Muhammad Amin © 2026