Baseline
– Gets loaded from the top to the bottom
– The default setting
Loading process (Illustration)
33% |
66% |
100% |
Progressive
– Gets loaded from low to high resolution
– Mostly used on websites
Loading process (Illustration)
33% |
66% |
100% |
Transformation
With JPEGTran (lossless)
$ jpegtran -copy all -progressive img_baseline.jpg > img_progressive.jpg $ jpegtran -copy all img_progressive.jpg > img_baseline.jpg