【文件属性】:
文件名称:JPEG2000.Standard.for.Image.Compression.Concepts.Algorithms.and.VLSI.Architectures
文件大小:15.18MB
文件格式:PDF
更新时间:2012-08-05 08:21:02
Wiley.Interscience.JPEG2000.Standard.for.Image.Compression.Concepts.Algorithms.and.VLSI.Architecture
The growing demand for interactive multimedia technologies, in various application
domains in this era of wireless and Internet communication, necessitated
a number of desirable properties to be included in image and video compression
algorithms. Accordingly, current and future generation image compression
algorithms should not only demonstrate state-of-the-art performance,
it should also provide desirable functionalities such as progressive transmission
in terms of image fidelity as well as resolution, scalability, region-of-interest
coding, random access, error resilience, handling large-size images of different
types, etc. Many of these desired functionalities are not easily achievable by
the current JPEG standard. The algorithms to implement different modes
of the current JPEG standard are independent from each other. The lossless
compression algorithm in current JPEG standard is completely different
from the lossy compression mode and also the progressive and hierarchical
modes. JPEG2000 is the new still image compression standard that has been
developed under the auspices of the International Organization for Standardization
(ISO). The systems architecture of this new standard has been defined
in such a unified manner that it offers a single unified algorithmic framework
and a single syntax definition of the code-stream organization so that different
modes of operations can be handled by the same algorithm and the same syntax
definition offers the aforementioned desirable functionalities. Moreover,
the JPEG standard was defined in 1980s before the emergence of the Internet
age. Many developments since then have changed the nature of research
网友评论
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