Abstract
This paper presents a research study on the subjective assessment of 3D video quality using a newly constructed 3D video database ([email protected]). This database consists of 8 original 3D video sequences, each degraded with 22 different degradation types, including degradations specific to stereoscopic systems. The subjective assessment was done with the support of a purpose-built easily customizable grade collection platform and conducted in two research laboratories, in Croatia and Portugal. Subjective scores for quality, depth and comfort were collected and DMOS (Difference Mean Opinion Score) values were calculated. Different objective measures (for image, 3D image, 2D video and 3D video) were separately compared with DMOS values for quality, depth and comfort. The 3D video grade-annotated database described is publicly accessible and can be used in research-related activities like assessment of existing objective measures, using the entire database or parts of it, and construction of new objective measures specific to 3D video degradations. The system presented can also be used to collect and compare subjective quality grades originating from different sites to study the effect of different observation conditions and observer/graders populations on the DMOS quality values for 3D video depth and comfort.
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