National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Hranice výrobních možností a stochastické programování
Chovanec, Petr
By its nature, Data Envelopment Analysis (DEA) leaves no room for uncertainy in data such as measurement errors. To improve this fact, we consider $alpha$-stochastic efficiency concept, and we relate this problem to the stochastic programming problem. Two types of probability inequalities are employed for introducting new criteria for efficiency.
Texture similarity measure
Vácha, Pavel
This paper surveys the current best texture representations and studies their application for a texture similarity measure development. A simple experiment that evaluates texture similarity is proposed and the performance of several most advanced texture features is verified on it. In order to eliminate the influence of spectral information monospectral textures are considered in this study only. The paper suggests the L1 norm with either Markovian or Gabor features as the best texture similarity measure.
Struktura a fyzikální chování termotropních polybutadien-diolů s mezogenními skupinami v bočních řetězcích
Jigounov, A. ; Ilavský, Michal ; Sedláková, Zdeňka
Liquid-crystalline polybutadiene-diols (LCPBD’s) with the comb-like architecture were synthesized by reaction of the LC thiol with the double bonds of the telechelic OH-terminated polybutadiene (PBD). The physical properties were investigated by differential scanning calorimetry and dynamic mechanical spectroscopy.
Botnací chování poly(N-izopropylmethakrylamidových) a poly(N-isopropylakrylamidových) sítí s náboji ve směsných roztocích voda/ethanol
Alenichev, I. ; Sedláková, Zdeňka ; Ilavský, Michal
Swelling behavior of negatively (ionic comonomer - sodium ethacrylate) and positively (ionic comonomer - (2-crylamidoethyl)trimethylammonium chloride) charged networks of poly(N-isopropylmethacrylamide) (PIPMAm) and poly(N-isopropylacrylamide) (PIPAAm) was investigated in water/ethanol mixtures at room temperature. Strong cononsolvency effect was observed for uncharged and negatively charged gels of both systems.

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