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EnglishIn this work we explore the construction and the applications of a special family of level-dependent biorthogonal filters, i.e. filters whose taps depend on the scaling level. Such a family is generated from a class of functions all related through level-dependent (or nonstationary) refinement equations, which contains cardinal polynomial B-splines as a particular case.The greater flexibility offered by the nonstationarity of these filters allows to achieve better results in some image processing problems, such as image compression, when compared to classical biorthogonal B-spline filters.
| Titolo: | A family of level-dependent biorthogonal wavelet filters for image compression |
| Autori: | |
| Data di pubblicazione: | 2020 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.12318/2711 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/20.500.12318/2711
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