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Technically, iPhones use HEIF, which uses HEVC, which uses DCT and DST and variable block sizes. JPEG uses DCT with fixed block sizes. The results of the two
by willis936 5y ago
Technically, iPhones use HEIF, which uses HEVC, which uses DCT and DST and variable block sizes.
JPEG uses DCT with fixed block sizes. The results of the two file formats are similar.
- foldr 5y agoYes, sure. I mean that it's the result of sharpening, noise reduction, and the other processes that are typically applied to a raw image.