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  • 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). (en)
Title
  • Shape quantification of different varieties of grape vine
  • Shape quantification of different varieties of grape vine (en)
skos:prefLabel
  • Shape quantification of different varieties of grape vine
  • Shape quantification of different varieties of grape vine (en)
skos:notation
  • RIV/62156489:43210/11:00169193!RIV11-AV0-43210___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA201990701)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 229095
http://linked.open...ai/riv/idVysledku
  • RIV/62156489:43210/11:00169193
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • grape vine; grapes; image analysis (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [2DE6D8A6AB50]
http://linked.open...v/mistoKonaniAkce
  • Mendelova univerzita v Brně
http://linked.open...i/riv/mistoVydani
  • Poire s.r.o., Brno
http://linked.open...i/riv/nazevZdroje
  • Sborník příspěvků XXXVII. Semináře o jakosti potravin a potravinových surovin - Ingrovy dny
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Severa, Libor
  • Buchar, Jaroslav
  • Nedomová, Šárka
  • Kumbár, Vojtěch
  • Pavloušek, Pavel
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Mendelova zemědělská a lesnická univerzita v Brně
https://schema.org/isbn
  • 978-80-7375-495-2
http://localhost/t...ganizacniJednotka
  • 43210
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