AN Adaptive Control of LUM Smoother
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In this paper is presented a new design of LUM smoother. The LUM smoother, a subclass of lower-upper-middle (LUM) filters is used in smoothing image and signal applications. This filter very well can suppress impulsive noise and preserve signal details, simultaneously. It is achieved by simply varying the filter parameter for smoothing. However, the tuning parameter for smoothing is fixed for the whole image. A new design is based on adaptive controlled level of the smoothing. The analysis of new methods is presented. Performance of the proposed methods is evaluated through subjective and objective criteria and compared with the traditional LUM smoother and the well known median.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 2000, vol. 9, č. 1, s. 9-12. ISSN 1210-2512
- 2000/1