Results 41 to 50 of about 4,971,302 (317)
Detection of flickering edges: absence of a red–green edge detector
Kelly ((1975) Science, 188, 371-372) showed that a centrally-fixated, contrast-reversing edge has a very different effect on the detection of luminance and red-green flicker. Red-green flicker sensitivity was approximately 3-fold greater for a uniform field than for a 'split' field with the two sides flickering out-of-phase.
Gowdy, P.D +2 more
openaire +2 more sources
Although studies on species-level classification and mapping using multisource data and machine learning approaches are plenty, the use of data with ideal placement of central wavelength and bandwidth at appropriate spatial resolution, for the ...
Mukunda Dev Behera +8 more
doaj +1 more source
Narrow band based and broadband derived vegetation indices using Sentinel-2 Imagery to estimate vegetation biomass [PDF]
Forest’s ecosystem is one of the most important carbon sink of the terrestrial ecosystem. Remote sensing technology provides robust techniques to estimate biomass and solve challenges in forest resource assessment.
A.B. Imran +5 more
doaj +1 more source
Study on red edge characteristics of rice spectral caused by nitrogen level
The canopy spectra of rice under different nitrogen levels were studied. Some red edge parameters in the first derivative reflectance curve (wavelength, amplitude and area of the red edge peak) were studied to evaluate rice leaf chlorophyll, LAI etc. Red
WANG Xiu-zheng +3 more
doaj +1 more source
Classical and Quantum Plasmonics in Graphene Nanodisks: the Role of Edge States [PDF]
Edge states are ubiquitous for many condensed matter systems with multicomponent wave functions. For example, edge states play a crucial role in transport in zigzag graphene nanoribbons.
Christensen, Thomas +4 more
core +2 more sources
Linear transformation distance for bichromatic matchings [PDF]
Let $P=B\cup R$ be a set of $2n$ points in general position, where $B$ is a set of $n$ blue points and $R$ a set of $n$ red points. A \emph{$BR$-matching} is a plane geometric perfect matching on $P$ such that each edge has one red endpoint and one blue ...
Aichholzer, Oswin +4 more
core +1 more source
For in-season site-specific nitrogen (N) management of rice to be successful, it is crucially important to diagnose rice N status efficiently across large areas within a short time frame.
Shanyu Huang +8 more
doaj +1 more source
Monitoring agricultural drought via ground hyper-spectral remote sensing has always been a hot topic in the fields of agriculture and meteorology.
Qiang Li, Maofang Gao, Zhao-Liang Li
doaj +1 more source
The Red Edge of the Cepheid Instability Strip [PDF]
AbstractRecent results of investigations of the nonequilibrium effects between gas and radiation on the red edge of the Cepheid instability strip are presented.
openaire +1 more source
Gravity-modes in ZZ Ceti Stars. II. Effects of Turbulent Dissipation [PDF]
We investigate dynamical interactions between turbulent convection and g-mode pulsations in ZZ Ceti variables (DAVs). Since our understanding of turbulence is rudimentary, we are compelled to settle for order of magnitude results.
Goldreich, P., Wu, Y.
core +2 more sources

