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Médias (1)
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Richard Stallman et le logiciel libre
19 octobre 2011, par
Mis à jour : Mai 2013
Langue : français
Type : Texte
Autres articles (58)
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Websites made with MediaSPIP
2 mai 2011, parThis page lists some websites based on MediaSPIP.
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Creating farms of unique websites
13 avril 2011, parMediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...) -
Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.
Sur d’autres sites (12346)
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Creating a transparent color mask that covers half of every frame in a video with opencv/moviepy/ffmpeg
24 octobre 2019, par NyktofobI’m doing a pose estimation in rats separated into two compartments of a cage. To make my tracking better I want to put a transparent color mask that covers half of every frame so that one of the rats will appear to the neural net as being of different color, thus making it easier for the net to differentiate those rats. My question is : Is there any easy way to do this using python (moviepy/opencv/ffmpeg) ?
Bare in mind, I’m completely new to python, so I’d appreciate any recommendation of a tutorial or detailed answer.
I tried using blender to do this, but failed miserably.
I expect to be able to modify the video, so that there will be a rectangular transparent mask in some color that covers certain part of every frame (Let’s say video is 1920x1080 pixels, so from pixel 960 on x axis everything to the right is transparently green)
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drawutils : implement uniform and mask blending.
28 mars 2012, par Nicolas Georgedrawutils : implement uniform and mask blending.
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pngenc : Fix incorrect mask used for interlaced mode.
20 mars 2012, par Michael Niedermayerpngenc : Fix incorrect mask used for interlaced mode.