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seen Dec 13 '11 at 8:59

Mar
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awarded  Teacher
Dec
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comment Why does saving low quality JPGs as high quality in Photoshop increase their file size?
@koiyu: I am pretty sure Photoshop has to decompress. JPEG is basically an algorithm to convert the RAW information(Pixel by pixel color information) to a set of 'equations' that determine how the color information is laid out in the image. To be technically correct, it is coding. But using the terms used in PS it is compression. So, to display the image PS has to 'solve' those equations and obtain the final color information. And that my friend, is decompression. Quality setting depends on the compression algorithm used.
Nov
30
answered New generation of Save icon that is not a “disk”?
Nov
30
answered Why does saving low quality JPGs as high quality in Photoshop increase their file size?