EE381K-14 Multidimensional Digital Signal Processing - General M-D Sampling
Lecture by Prof. Brian L. Evans
- Image compression standards use rectangular sampling and
apply separable systems. The increased complexity for
non-rectangular sampling and non-separable systems, even
when it is a model of the human visual system, has not
provided enough coding gain for increased complexity incurred.
This statement gave rise to the following questions in Spring 2003,
to which Dr. Faouzi Kossentini (UB Video) answered:
- What happens when a JPEG bitstream is fed into
a JPEG 2000 decoder?
FK: It hangs or crashes.
- How does JPEG 2000 handle floating-point images?
(These are common in radar imaging.)
FK: J2K only handles integers (although the precision
can be as large as 128 bytes!!!), to the best of
- What image formats are supported by JPEG and JPEG 2000?
FK: For both JPEG and J2K, only a few formats are
supported, but converters are available everywhere.
- Lecture on General Multidimensional Sampling
- Part I (Theory) is available in
- Part II (Special Cases) is available in
Last updated 01/29/08.
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