That is what I expected as well, but it turns out not to be the case. See also https://www.ece.cmu.edu/~ece548/hw/lab3/faq-do~1.htm https://www.ece.cmu.edu/~ece

That is what I expected as well, but it turns out not to be the case. See also https://www.ece.cmu.edu/~ece548/hw/lab3/faq-do~1.htm https://www.ece.cmu.edu/~ece548/hw/lab3/faq-do~1.htm and https://encode.ru/threads/2922-Knusperli-%E2%80%94-a-better-JPEG-decoder?p=56184&viewfull=1#post56184 https://encode.ru/threads/2922-Knusperli-%E2%80%94-a-better-....