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Compression project
(most info is in Russian)
>> About
In English: Video >> Public filters | Com. filters | Video Codecs Comparisons | Our Video Codecs | Video Quality Metrics || New: Compression Catalog! Personal (English) >> V.Yoockin | A.Ratushnyak In Russian: "Compression Methods" book | Arctest | Download | FIDO | Forum | Links |
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| Hot news: * 4-th H.264 codecs test! * Million filters downloads! * Video Quality Metric 1.5! |
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Drop Frame Metric
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DFM is made to calculate number of drop-frames in sequence.
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Metric's visualization difference of Y-planes between two consecutive frames + 128. So, grey color (128 128 128) means that brigtness of a pixel is the same as at the previous frame.
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Metric's plot is making after all measurements. "Zero" value means that current frame exist, "one" - that it is dropped. The resulting metric's value is number of drop-frames. Plot's example:
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For each frame difference with the previous one is calculating. Metric's value is 1 if frames are identical, 0 otherwise.
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Project updated by Server Team and MSU Video Group Project sponsored by YUVsoft Corp. Project supported by MSU Graphics & Media Lab |
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compression_##_graphicon.ru © Dr. D.Vatolin, Dr. M.Smirnov, A.Ratushnyak, V.Yoockin, content, 2001-2008 © A.Andreev, pictures, 2002 |
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