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RUSSIAN VERSION

MSU Drop Frames Metric
(DFM)

MSU Graphics & Media Lab (Video Group)

Project, Ideas: Dr. Dmitriy Vatolin
Implementation: Alexey Noskov
Updating and additions: Sergey Grishin


Common description


DFM is made to calculate number of drop-frames in sequence.


Change Log


[!] - Known bug
[+] - New Feature
[*] - Other

Version 1.1
[*] Visualization bug fixed for non-stadard resolution video

Version 1.0
[+] First plugin release


Visualization


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.


Plots


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:


Algorithm


For each frame difference with the previous one is calculating. Metric's value is 1 if frames are identical, 0 otherwise.


Download



MSU Video Quality Measurement Tools


e-mail: 


Other resources


Video resources:

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Last updated: 21-June-2016

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Server size: 8069 files, 1215Mb (Server statistics)

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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