Question: what compression technique is used in cv::IMWRITE_JPEG_QUALITY?

1

Hi,

For my research I’ve been using IMWRITE_JPEG_QUALITY in python’s cv2. I am interested in learning what compression technique is used here so I can write a bit about the use of it (so ideally I’m looking for a reference to a paper or to the name of an existing technique?). I believe I have found the cpp code for it, but I didn’t recognize the technique used.

Does anyone know what technique/encoding is used for image compression with that flag?

Thanks in advance!

Jakob

2

opencv passes your images straight to 3rd party libs like libjpeg or libpng

you probably need to look into those, for an explanation