how to load a matrix of channel Y or list of matrices?

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Hi, yhea, I am a newbie moving first steps in OpenCV. I have an app that captures photographs from a camera and save them in a file with the following format 1 byte for the photograph sequence 1024*768 bytes for channel Y (of course 1 byte e per pixel)

up to 256 photos per file

I was wondering if: 1) easy way, can I load it as it is and navigate the frames? 2) I can split the file in single file per frame but then, can I load the stream of bytes and use it as an image without converting it to a fomat jpg or bmp or whatever?

My biggest concern is not much the file format but the fact I need to load the single image without passing to a "real" image format.

Do you think I have to write my on interface to load such data or OpenCV has already something that I can use?

Thx gys!