The JPEG standard does not include any method of coding the resolution or aspect ratio of an image.
Since the quantization stage always results in a loss of information, JPEG standard is always a lossy compression codec.
The encoding description in the JPEG standard does not fix the precision needed for the output compressed image.
The JPEG standard permits the user to select the degree of compression, and therefore how close to the original the decompressed image will appear.
The JPEG 2000 standard will encounter plenty of competition.
Images compressed under the JPEG standard at a ratio of 20:1 have been shown in printed form.
Curiously, one of the first applications of the JPEG standard has been not for still images but for motion video.
The 1992 JPEG standard also has a progressive transmission feature but it is rarely used.
The JPEG standards consist of different Parts.
Some of the published JPEG standards were revised by later amendments and/or new editions.