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so this is the original file recently and so if the image viewer does not complain that I cannot open it I do not recognize it not a support format or any kind of messages then the header is probably okay at least it has a whether it at least it has a header it can work with so then we donamp;#39;t need a reference file and we will instead patch the actual image data because then itamp;#39;s not the header and the next part is the actual data now if an image is partially distorted or entirely gray or a large variable then this is mostly due to bite combinations inside the image data that are interpreted by photo viewer for the editors JPEG markers JPEG markers always have a always start like FF which is the this most 255 then then thereamp;#39;s a number that tells the decoder what kind of marker it is exit marker or and the file marker and so it will assume as it sees FF it will say okay this is a marker the next byte will tell me what to do now if if itamp;#39;s just if itamp;#3
