Recent Posts

HEVC Adoption Slow But Steady Says Beamr Report

A recent report published by Unisphere Research and Streaming Media magazine, and sponsored by Beamr, reveals some interesting data on HEVC adoption. Entitled Real-World HEVC Insights: Adoption, Implications, and Workflows, the report is available for free download on StreamingMedia.com (registration required) and is authored by my colleague Tim Siglin, a Streaming Media contributing editor and founding executive director of the …

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The HEVC IP Mess is Worse than you Think

A recent article in IPWatchdog analyzed HEVC-related patent ownership and found that “only one-third of relevant patents have been declared in patent pools.” So, even companies that license from all three pools are at substantial risk of challenges from other IP owners. With a new standard coming, MPEG needs to update its licensing policies, not its technology. The article was …

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Mapping SSIM and VMAF Scores to Subjective Ratings

One visual quality metric that’s getting a bit more love lately is the Structured Similarity Index (SSIM). For example, when Facebook launched their first VR Metric, SSIM360, they based it on SSIM. I’ve generally avoided using SSIM because the scoring range is too small for my liking (0 – 1) and I wasn’t aware of any way to map SSIM scores …

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