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Subdivizijske sheme : diplomsko deloKnez, Marjetka, 1978-Subdivizija je ena od metod za konstrukcijo gladkih krivulj oz. ploskev. Osnovna naloga je sledeča. Podano je zaporedje kontreolnih točk, definirano na regularni mreži, ki je v primeru krivulj kar ... množica celih števil na realni osi. V primeru ploskev pa imamo bodisi regularne kvadratne mreže bodisi regularne triangulacije. Subdivizijske sheme so pravila, s katerimi določimo nove kontrolne točke na bolj gosti mreži, ki ji dodamo še vse vmesne točke. Subdivizijska shema je določena z masko ▫$a = \{a_\alpha: \alpha \in \mathbb Z^s\}$▫ s kompaktnim nosilcem in s pravilom za nove kontrolne točke na ▫$k$▫-tem nivoju ▫$p_\alpha^k = \sum_{\beta \in \mathbb Z^s} a_{\alpha-2\beta}p_\beta^{k-1}$▫, kjer je ▫$s=1$▫ v primeru krivulj in ▫$s=2$▫ v primeru ploskev. Cilj naloge je poiskati potrebne in zadostne pogoje na masko, ki zagotavljajo konvergenco subdivizijske sheme k limitni krivulji (ploskvi) in analizirati gladkost teh limit. Posebej so predstavljene interpolacijske subdivizijske sheme ter t.i. shema "Metuljček".Type of material - undergraduate thesisPublication and manufacture - Ljubljana : [M. Krajnc], 2002Language - slovenianCOBISS.SI-ID - 12277593
Author
Knez, Marjetka, 1978-
Other authors
Kozak, Jernej
Topics
subdivizija |
subdivizijska shema |
subdivizijska maska |
kontrolne točke |
subdivizijsko pravilo |
osnovna limitna funkcija |
B-zlepki |
subdivision |
subdivision schemes |
mask |
control points |
refinement rule |
refinable function |
B-splines
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Library | Call number – location, accession no. ... | Copy status |
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FMF, Mathematical Library, Lj. | Skladišče-Jadranska 21 10668/602 |
available - reading room |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Knez, Marjetka, 1978- | 23467 |
Kozak, Jernej | 03425 |
Source: Personal bibliographies
and: SICRIS
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