Testing 4K HDR-WCG Professional Video Content for Subjective Quality Using a Remote Testing Approach
Modern content is rapidly shifting from the standard dynamic range (SDR) color volume towards the high dynamic range and wide color gamut (HDR-WCG) color volume. It is thus crucial to have high-performance video quality metrics. However, existing subjective databases do not provide adequate test coverage for professional HDR-WCG video content. We describe a subjective video quality study aimed to be relevant for existing and near future HDR-WCG. Due to the COVID-19 pandemic, the experiment was designed for remote testing rather than a typical laboratory environment. We carefully analyzed the subjective results and concluded that obtaining comparable data reliability in our remote testing environment with a controlled laboratory environment is possible. This opens the door for large-scale video quality testing. We applied the subjective data set to compare image and video quality metrics such as video multi-method assessment fusion (VMAF), high dynamic range-visual difference predictor (HDR-VDP), and high dynamic range-visual quality measure (HDR-VQM). We identified several ways to improve the accuracy of VMAF on HDR-WCG content.
- Print ISSN
- 1545-0279
- Electronic ISSN
- 2160-2492
- Published
- 2024-09
- Content type
- Original Research
- Keywords
- high dynamic range, visual quality metric, subjective study, contrast sensitive function
- DOI
- 10.5594/JMI.2024/WAWA6631