Author Topic: How to get only luma channel  (Read 1693 times)

Jon Schnarr

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How to get only luma channel
« on: February 20, 2014, 08:59:03 PM »
Is there any way to only process the luma channel on a T2i, before or when writing to the card?  I mean just the 4 in 4:2:2.  So, 1080p 24fps, black and white with no or little compression.

chmee

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Re: How to get only luma channel
« Reply #1 on: February 20, 2014, 09:07:37 PM »
4:2:2 (and any other) subsampling is a picture-definition after demosaicing, thus it cant be done. or better: we dont know much/enough about the hardware-encoder inside the body.. honestly saying, most of compression-efficiency is realised by simplifying the chroma-channels :)

no, i highly doubt..

Jon Schnarr

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Re: How to get only luma channel
« Reply #2 on: February 21, 2014, 05:40:55 PM »
Thanks.