Differences
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x264_quality [2014/08/17 15:43] beandog |
x264_quality [2014/08/17 15:44] beandog |
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Use SSIM or PSNR to gauge differences between encoding settings. | Use SSIM or PSNR to gauge differences between encoding settings. | ||
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+ | ==== SSIM ==== | ||
When comparing two values, here is the formula to discern what percentage amount something has improved. | When comparing two values, here is the formula to discern what percentage amount something has improved. | ||
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</code> | </code> | ||
- | Rounding it out to an integer, would be 55, for a result of 55%. So when encoding **this particular video** at double the bitrate, the SSIM increases by 55%. Not bad! | + | Rounding it out to an integer, would be 55, for a result of 55%. So when encoding this particular video at double the bitrate, the SSIM increases by 55%. Not bad! |