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Grey Level VideoWriter

asked 2019-04-18 03:13:05 -0500

cjacquel gravatar image

Hello, How to save a Grey level video with Video Writer without to do a GREYTOBGR and keep one channel for the video to reduce the video size ?

Thank you, Christophe

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answered 2019-04-18 03:16:36 -0500

berak gravatar image

updated 2019-04-18 03:21:50 -0500

if you expected the VideoWriter to do an automatic greyscale conversion -- NO, it won't happen.

you need to convert your images manually (or try to get greyscale data from the VideoCapture, e.g.Y from YUV), then set the isColor flag in the writer to false.

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Asked: 2019-04-18 03:13:05 -0500

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Last updated: Apr 18