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Being lossless is a function of the whole pipeline from an input image to an output image. The last step being encode to PNG doesn't guarantee anything about lo
by edflsafoiewq 22d ago
Being lossless is a function of the whole pipeline from an input image to an output image. The last step being encode to PNG doesn't guarantee anything about losslessness.
- xigoi 22d agoLossless means that the file encodes the exact same information that was given to the encoder. This is a property of the format.
- ZeroGravitas 22d agoYes but people add pre-preprocessor steps to image formats, like blurring jpegs or lowering bit depth in PNGs to make them more compressible.