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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F11%3A00169193%21RIV11-AV0-43210___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
The main goal of this research was to quantify the basic shape characteristics by means of simple mathematical methods. Four varieties of grape vine were selected and analysed. Following quantities were evaluated: sphericity (parameter for the calculation of processing and handling operations), calculation of shape variability using elliptic Fourier descriptors, and calculation of curvature radius. All three approaches proven certain quantifiable differences among individual wine grape samples. Sphericity of the grapes ranged from 0.009874 (HIB) to 0.014530 (MAL) and its calculated value can be used for the design and evaluation of processing and handling operations, but mainly for purpose of consequent mathematical modelling. Reconstructed shapes (by use of Fourier descriptors) indicated that the first principal component (which represents the hight-to-width ratio) is a suitable measure of the total shape variation (85.46 to 89.04 % of the total shape variation). The main goal of this research was to quantify the basic shape characteristics by means of simple mathematical methods. Four varieties of grape vine were selected and analysed. Following quantities were evaluated: sphericity (parameter for the calculation of processing and handling operations), calculation of shape variability using elliptic Fourier descriptors, and calculation of curvature radius. All three approaches proven certain quantifiable differences among individual wine grape samples. Sphericity of the grapes ranged from 0.009874 (HIB) to 0.014530 (MAL) and its calculated value can be used for the design and evaluation of processing and handling operations, but mainly for purpose of consequent mathematical modelling. Reconstructed shapes (by use of Fourier descriptors) indicated that the first principal component (which represents the hight-to-width ratio) is a suitable measure of the total shape variation (85.46 to 89.04 % of the total shape variation).
dcterms:title
Shape quantification of different varieties of grape vine Shape quantification of different varieties of grape vine
skos:prefLabel
Shape quantification of different varieties of grape vine Shape quantification of different varieties of grape vine
skos:notation
RIV/62156489:43210/11:00169193!RIV11-AV0-43210___
n5:predkladatel
n16:orjk%3A43210
n6:aktivita
n10:P
n6:aktivity
P(IAA201990701)
n6:dodaniDat
n15:2011
n6:domaciTvurceVysledku
n7:3372766 n7:1512285 n7:6465722 n7:9874143 n7:7791194
n6:druhVysledku
n22:D
n6:duvernostUdaju
n14:S
n6:entitaPredkladatele
n19:predkladatel
n6:idSjednocenehoVysledku
229095
n6:idVysledku
RIV/62156489:43210/11:00169193
n6:jazykVysledku
n21:eng
n6:klicovaSlova
grape vine; grapes; image analysis
n6:klicoveSlovo
n8:grape%20vine n8:grapes n8:image%20analysis
n6:kontrolniKodProRIV
[2DE6D8A6AB50]
n6:mistoKonaniAkce
Mendelova univerzita v Brně
n6:mistoVydani
Poire s.r.o., Brno
n6:nazevZdroje
Sborník příspěvků XXXVII. Semináře o jakosti potravin a potravinových surovin - Ingrovy dny
n6:obor
n11:GM
n6:pocetDomacichTvurcuVysledku
5
n6:pocetTvurcuVysledku
5
n6:projekt
n12:IAA201990701
n6:rokUplatneniVysledku
n15:2011
n6:tvurceVysledku
Kumbár, Vojtěch Nedomová, Šárka Pavloušek, Pavel Buchar, Jaroslav Severa, Libor
n6:typAkce
n13:CST
n6:zahajeniAkce
2011-03-03+01:00
s:numberOfPages
5
n9:hasPublisher
Mendelova zemědělská a lesnická univerzita v Brně
n17:isbn
978-80-7375-495-2
n18:organizacniJednotka
43210