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| Description
| - The aim of this paper is to introduce advanced methods for delimitation of elementary forms of georelief boundaries, which are geometrically continuous surfaces with the same genesis and preconditions for the same geomorphological processes. Elementary forms are delimitated by lines of discontinuity where is this geometrical, dynamical and genetical continuity broken. The following steps of delimitation of elementary forms of georelief are unwind on the preciseness of delimitated borders of the elementary units of georelief. For delimitation of elementary forms boundaries was developed an algorithm based on Canny edge detector. This algorithm searches for discontinuities in the layers of derived morphometrical characteristics up to the third order. These lines of discontinuities are identical to the boundaries of elementary forms. For the derivation of the layers of morphometrical characteristics was developed and implemented a robust method for approximation of partial derivatives of the third orde
- The aim of this paper is to introduce advanced methods for delimitation of elementary forms of georelief boundaries, which are geometrically continuous surfaces with the same genesis and preconditions for the same geomorphological processes. Elementary forms are delimitated by lines of discontinuity where is this geometrical, dynamical and genetical continuity broken. The following steps of delimitation of elementary forms of georelief are unwind on the preciseness of delimitated borders of the elementary units of georelief. For delimitation of elementary forms boundaries was developed an algorithm based on Canny edge detector. This algorithm searches for discontinuities in the layers of derived morphometrical characteristics up to the third order. These lines of discontinuities are identical to the boundaries of elementary forms. For the derivation of the layers of morphometrical characteristics was developed and implemented a robust method for approximation of partial derivatives of the third orde (en)
- Cílem tohoto příspěvku je představení pokročilé metody pro vymezování hranic elementárních forem georeliéfu, což jsou geometricky spojité plochy, které mají stejnou genezi a předpoklad pro stejný průběh geomorfologických procesů. Elementární forma je ohraničena liniemi nespojitosti, na kterých je tato geometrická, dynamická a genetická spojitost narušena. Pro vymezování hranic elementárních forem georeliéfu byl vyvinut algoritmus založený na Cannyho hranovém detektoru. Tento algoritmus vyhledává nespojitosti v površích odvozených morfometrických charakteristik až do třetího řádu, které odpovídají hranicím jednotlivých elementárních forem. Pro odvození povrchů morfometrických charakteristik třetího řádu bylo nutné implementovat robustní metodu aproximace parciálních derivací třetího řádu pomocí metody vážených nejmenších čtverců. Pro vymezené segmenty hranic elementárních forem je automaticky ohodnocena kvalita vymezení, resp. geomorfologická významnost. Toto kvalitativní ohodnocení hran pomáhá z výs (cs)
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| Title
| - Advanced methods for georelief segmentation
- Advanced methods for georelief segmentation (en)
- Pokročilé metody pro segmentaci georeliéfu (cs)
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| skos:prefLabel
| - Advanced methods for georelief segmentation
- Advanced methods for georelief segmentation (en)
- Pokročilé metody pro segmentaci georeliéfu (cs)
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| skos:notation
| - RIV/44555601:13520/09:00004325!RIV09-GA0-13520___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/44555601:13520/09:00004325
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - elementary form of georelief; delimitation; border of elementary form; GmIS; GIS; RST interpolation. (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Sborník Sympozia GIS Ostrava 2009
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
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| https://schema.org/isbn
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| http://localhost/t...ganizacniJednotka
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