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SSIMWave raises bar, questions remain over independent verification

The quest for automated and real time measurement of perceptual video quality has been elusive ever since the first statistical algorithms emerged in the 1990s. The goal has been to emulate as closely as possible the Mean Opinion Scores (MOS) determined by human panels in automated tools that can be scaled up to major streaming of broadcast services delivering to multiple devices at different formats and resolutions. Furthermore, there has been an aim to achieve this in real time, leading towards the next goal of being able to take action in the event of content slipping below set quality thresholds at various stages of distribution. Such actions might include shutting down a sub-standard stream or preferably fixing it in real…

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