Abstract
With the increasing use of multimedia
technologies, image compression requires higher
performance as well as new features. To address this
need in the specific area of still image encoding, a new
standard is currently being developed, the JPEG2000. It
is not only intended to provide rate-distortion and
subjective image quality performance superior to
existing standards, but also to provide features and
functionalities that current standards can either not
address efficiently or in many cases cannot address at
all. Lossless and lossy compression, embedded lossy to
lossless coding, progressive transmission by pixel
accuracy and by resolution, robustness to the presence
of bit-errors and region-of-interest coding, are some
representative features. It is interesting to note that
JPEG2000 is being designed to address the
requirements of a diversity of applications, e.g. Internet,
color facsimile, printing, scanning, digital photography,
remote sensing, mobile applications, medical imagery,
digital library and E-commerce.
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