Results 11 to 20 of about 345,746 (289)
Digital imaging of coffee leaves under different nitrogen concentrations applied to soil
Revista Ceres, 2023 Brazil is the largest Coffea arabica L. producer and exporter in the world market. In view of the need for nitrogen fertilization, the objective of this work was to evaluate the use of digital images of coffee leaves as a function of nitrogen ...
Leandro José Grava de Godoy +5 more
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Journal of Imaging, 2023 This paper proposes a method for changing pixel shape by converting a CMYK raster image (pixel) to an HSB vector image, replacing the square cells of the CMYK pixels with different vector shapes. The replacement of a pixel by the selected vector shape is
Tajana Koren Ivančević +3 more
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Unique hues as revealed by unique-hue selecting versus partial hue-matching [PDF]
Attention, Perception, & Psychophysics, 2013 Unique hues are usually defined as those that cannot be introspectively reduced to any other hue. According to a major dogma of color science, there are four unique hues: yellow, blue, red, and green. Yet only 55 of the 173 inexperienced observers who participated in our experiment selected exactly four Munsell papers that, according to their judgment,
Logvinenko, Alexander, Geithner, Corin
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Inheritance of coat colour in Slovak Pinzgau cattle [PDF]
Journal of Central European Agriculture, 2016 The objective of the work was analysis of chestnut coat colour inheritance of Slovak Pinzgau cattle in accordance to age and farming system. In 304 cows of breeding groups P0,P1,P2 and R3 born between 2000 to 2010 from four breeding herds (4 agricultural
Radovan Kasarda +4 more
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Agronomy, 2021 Thrips tabaci Lindeman is a global pest and also represents a serious threat to onion production in Poland. In 2 years (2015–2016) of field studies, 8 onion cultivars were evaluated to characterize their susceptibility to onion thrips and to determine if
Maria Pobożniak +2 more
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Hues of Color Afterimages [PDF]
i-Perception, 2020 We studied the relationship between color afterimages and complementary colors. The hues of afterimages of 24 inducer hues, uniformly distributed over the rgb color circle, were measured by an iterative method of adjustment. The judgment of equality of hue of the afterimage and a synthesized patch was effectively judged at the moment immediately after
Koenderink, Jan J. +4 more
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Journal of Infection in Developing Countries, 2018 Introduction: Data about the prevalence of the A2142C, A2142G, and A2143G mutations in 23S rRNA gene is still limited. The aim of this study was to determine the prevalence of these mutations in 23S rRNA gene of H.
Van Huy Tran +5 more
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colorspace: A Toolbox for Manipulating and Assessing Colors and Palettes
Journal of Statistical Software, 2020 The R package colorspace provides a flexible toolbox for selecting individual colors or color palettes, manipulating these colors, and employing them in statistical graphics and data visualizations.
Achim Zeileis +7 more
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Journal of Infection in Developing Countries, 2018 Introduction: This study aims to determine the genital HPV prevalence in reproductive-age women in Thua Thien Hue Province and comparison with HPV incidence in Hue University Hospital, Vietnam.
Vu Quoc Huy Nguyen +7 more
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