Results 11 to 20 of about 29,695 (259)
Rethinking Colour Constancy. [PDF]
PLoS ONE, 2015 Colour constancy needs to be reconsidered in light of the limits imposed by metamer mismatching. Metamer mismatching refers to the fact that two objects reflecting metameric light under one illumination may reflect non-metameric light under a second; so ...
Alexander D Logvinenko +3 more
doaj +6 more sources
Acta Agrobotanica, 2014 The present experiment, carried out in nine production fields of reed canary grass (Phalaris arundinacea) grown for energy purposes, evaluated the effect of plantation age on the occurrence and species composition of weeds.
Tomasz R. Sekutowski +3 more
doaj +1 more source
The effect of background and illumination on color identification of real, 3D objects
Frontiers in Psychology, 2013 For the surface reflectance of an object to be a useful cue to object identity, judgments of its color should remain stable across changes in the object's environment. In 2D scenes, there is general consensus that color judgments are much more stable
Sarah Ray Allred, Maria eOlkkonen
doaj +1 more source
Acta Agrobotanica, 2012 A field study was carried out in the period 2000-2006 at the Experimental Station in Tomaszkowo belonging to the University of Warmia and Mazury in Olsztyn.
Marta K. Kostrzewska +2 more
doaj +1 more source
Global Conharmonic Concept Type Nearly Kahler Manifold
Tikrit Journal of Pure Science, 2023 The concept of permanence conharmonic type Nearly Kahler manifold conditions are obtained when the Nearly Kahler manifold is a manifold conharmonic constant type.
Ali A. Shihab
doaj +1 more source
Acta Agrobotanica, 2014 A floristic study was conducted over the period 2010–2012, using the Braun-Blanquet method, under which vegetation relevés were made in sugar beet (Beta vulgaris L. subsp. vulgaris) plantations in Lower Silesia.
Krzysztof Domaradzki +2 more
doaj +1 more source
Acta Agrobotanica, 2012 The paper presents the analysis of changes in weed biodiversity in spring barley cultivated in the years 1990-2004 in crop rotation with a 25% proportion of this cereal (potato - spring barley - sowing peas - winter triticale), when it was grown after ...
Magdalena Jastrzębska +2 more
doaj +1 more source
Arthropods as loss and solution sources in the fruit production on Annona crassiflora Mart. (Annonaceae) trees [PDF]
Brazilian Journal of BiologyThe Annona crassiflora tree stands are essential for several communities that survive by collecting its fruits, while also helping to protect the Brazilian Cerrado. Additionally, A.
Germano Leão Demolin-Leite
doaj +1 more source
Nearly Cosymplectic Manifolds of Constant Type
Axioms, 2022 Fundamental identities characterizing a nearly cosymplectic structure and analytical expressions for the first and second structural tensors are obtained in this paper. An identity that is satisfied by the first structural tensor of a nearly cosymplectic
Aligadzhi Rustanov
doaj +1 more source
Ecological Stability Properties of Microbial Communities Assessed by Flow Cytometry
mSphere, 2018 Natural microbial communities affect human life in countless ways, ranging from global biogeochemical cycles to the treatment of wastewater and health via the human microbiome.
Zishu Liu +7 more
doaj +1 more source