[M4IF Technotes] MOMUSYS

[Vagner Morais]

Good afternoon:
I have 4 questions:
1 - When i use the encoder MOMUSYS to encode a sequence .yuv, and i configure .cfg and .ctl to use a mask, is supposed when i decode the file to obtain a video segmented (using binary or grey-level)? Or the segmented video is only in format .bits (mpeg-4)?
2 - What is the "alpha threshold" in .cfg files of MOMUSYS?
3 - Is there any tool (ideally open-source) to make masks of videos?
4 - I tried to encode the same file using different "type of alpha channel" (rectangular and bynary) and the file encoded with alpha channel rectangular had higher size than binary? Shouldn´t be the contrary?
Thanks by your attention.
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Vagner David Pinto Morais 
INESC - Porto | Instituto de Engenharia de Sistemas e Computadores do Porto
Unidade de Telecomunicações e Multimédia 
Grupo de Análise e Síntese de Imagem
Email : vmorais   inescporto.pt
Tel.    : +351  222094233
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