Aug 2026· Conference on Multimedia Information Processing and Retrieval· pp. 219-224· 0 citations· 10 references
Abstract
Accessing large collections of 360° videos in virtual reality (VR) is still largely based on conventional 2D grid interfaces, which only partially exploit immersive affordances. While prior work has focused on improving representations of individual items, less attention has been given to how entire collections can be organized for effective media access and retrieval. We investigate how metaphor-driven 3D interface designs influence exploratory retrieval in immersive video libraries. Three spatial interfaces—a video store, a record store, and an abstract memory-inspired environment—are evaluated in a within-subject study (N=19) using a time-constrained playlist creation task. Results show that structured environments support more efficient selection, while abstract designs increase engagement but introduce interaction overhead. These findings highlight a trade-off between efficient retrieval and exploratory engagement and inform the design of future immersive multimedia retrieval systems.
Primary participant-level analyses show that display count is the dominant factor, severely degrading performance and increasing workload, and layout effects are secondary but become critical under high density, where spherical and stacked arrangements introduce significant performance and physical trade-offs.
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