https://www.amazon.com/dp/0201604434/
https://www.amazon.com/Compressed-Image-File-Formats-JPEG/dp/0201604434/ref=pd_bxgy_14_img_2?_encoding=UTF8&psc=1&refRID=VPB1FTFQG5PJH1AFZ51M
This is the only book that actually explains the process for programmers without academic mumbo-jumbo
https://www.amazon.com/Compressed-Image-File-Formats-JPEG/dp/0201604434/ref=sr_1_2?ie=UTF
JPEG is extremely complex. The only source I know of that explains this for programmers is:
https://www.amazon.com/Compressed-Image-File-Formats-JPEG/dp/0201604434
https://www.amazon.com/dp/0201604434/
https://www.amazon.com/Compressed-Image-File-Formats-JPEG/dp/0201604434/ref=pd_bxgy_14_img_2?_encoding=UTF8&psc=1&refRID=VPB1FTFQG5PJH1AFZ51M
This is the only book that actually explains the process for programmers without academic mumbo-jumbo
https://www.amazon.com/Compressed-Image-File-Formats-JPEG/dp/0201604434/ref=sr_1_2?ie=UTF
JPEG is extremely complex. The only source I know of that explains this for programmers is:
https://www.amazon.com/Compressed-Image-File-Formats-JPEG/dp/0201604434