Upscaling JPGs
Out of context: Reply #11
- Started
- Last post
- 16 Responses
- epic_rim0
This can be done, but it requires code that is written in 64 bits. Unfortunately, processors in standard personal computers are not yet that advanced, unless you have access to University or medical grade equipment. My recommendation would be to contact the original publisher of the image and strike a deal where in you could get that image enlarged using their sophisticated system, which is probably light years beyond what most of us use daily.
I spoke with an engineer last year about this sort of thing. I'll try to paraphrase his answer, because it was very technical. It has something to do with LZW compression, which is a proprietary codec invented in the 50s for compressing images to punch cards. Apparently, whatever cipher they used back then to perform this calculation has been lost to time, so now 64 bit processors are needed to actually perform the equivalent of a bit for bit 1:X translation.