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Factors impacting human-perceived visual quality on television displays
Eddie Pei1, Hosub Lee2, Elena Fedorovskaya1
1Munsell Color Science Laboratory, Rochester Institute of Technology, Rochester, NY, United States.
Frontiers in Neuroscience
|January 3, 2025
Summary
This study explored factors influencing subjective video quality assessment (VQA) on TV displays. Results show video content, display settings, viewer traits, and environment significantly impact perceived video quality.
Area of Science:
- Human-Computer Interaction
- Visual Perception
- Display Technology
Background:
- User perception of video quality is crucial for viewer satisfaction.
- Understanding influencing factors aids in optimizing viewing experiences.
- Subjective Video Quality Assessment (VQA) is key to evaluating video delivery.
Purpose of the Study:
- To investigate the impact of multiple factors on subjective video quality assessment (VQA).
- To analyze how video content, display settings, viewer characteristics, and ambient environment influence VQA.
- To provide insights for improving TV display and environmental settings.
Main Methods:
- Conducted two psychophysical experiments to gather subjective VQA data.
- Systematically varied video content, display parameters, viewer demographics, and environmental conditions.
- Collected and analyzed user ratings of perceived video quality.
Main Results:
- All four investigated factors—video content, display settings, viewer characteristics, and ambient environment—significantly affected subjective VQA.
- Each factor demonstrated a unique influence on the perception of video quality.
- Identified specific interactions between factors influencing overall viewing experience.
Conclusions:
- Optimizing display and environmental settings is essential for enhancing subjective video quality.
- Viewer characteristics play a significant role and should be considered in VQA.
- Further research can leverage these findings to develop more immersive and satisfying viewing technologies.
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