Abstract
An efficient approach is introduced to implement a digital filter
structure for fast moments calculation. The approach not only improves
the computation efficiency, but also simplifies possible realisations
using both hardware and software. A suitable filter structure for
the computation of moments is reviewed. The improved filter structure
is compared with conventional algorithms, and yields superior performance
over other algorithms in both computational speed and complexity.
The most time-consuming multiplication operations in traditional
approaches can be completely eliminated, and over 60% of additions
in the straightforward method can be avoided. Experimental results
show that the approach requires only 20% and 88% of the computation
times of the straightforward and Hatamian's (1986) digital filter
approaches, respectively
- additions,
- algorithms,
- arithmetic,
- complexity,
- computation
- computation,
- computational
- conventional
- digital
- efficiency,
- experimental
- fast
- filter
- filters2d
- hardware,
- moments
- moments,
- multiplication
- operations,
- performance,
- results,
- software
- speed,
- structure,
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