Search results for "Diagonal"
showing 10 items of 124 documents
Affine Illumination Compensation on Hyperspectral/Multiangular Remote Sensing Images
2011
The huge amount of information some of the new optical satellites developed nowadays will create demands to quickly and reliably compensate for changes in the atmospheric transmittance and varying solar illumination conditions. In this paper three different forms of affine transformation models (general, particular and diagonal) are considered as candidates for rapid compensation of illumination variations. They are tested on a group of three pairs of CHRISPROBA radiance images obtained in a test field in Barrax (Spain), and where there is a difference in the atmospheric as well as in the geometrical acquisition conditions. Results indicate that the proposed methodology is satisfactory for …
Weighted nonlinear correlation for controlled discrimination capability
2002
We recently demonstrated the high discrimination capability as well as the high sensitivity to small intensity variations of the sliced orthogonal nonlinear generalized (SONG) correlation. This nonlinear correlation has a correlation matrix representation. Previous papers considered only the principal diagonal elements of the correlation matrix. We propose using the off-diagonal non-zero elements of the SONG correlation matrix in order to achieve variable discrimination performance and controlled detection adapted to the gray-scale variations. Moreover, we introduce negative coefficients in order to improve the discrimination properties of the SONG correlation. To control the degree of reco…
B‐DNA structure and stability: the role of nucleotide composition and order
2022
Abstract We have quantum chemically analyzed the influence of nucleotide composition and sequence (that is, order) on the stability of double‐stranded B‐DNA triplets in aqueous solution. To this end, we have investigated the structure and bonding of all 32 possible DNA duplexes with Watson–Crick base pairing, using dispersion‐corrected DFT at the BLYP‐D3(BJ)/TZ2P level and COSMO for simulating aqueous solvation. We find enhanced stabilities for duplexes possessing a higher GC base pair content. Our activation strain analyses unexpectedly identify the loss of stacking interactions within individual strands as a destabilizing factor in the duplex formation, in addition to the better‐known eff…
Vídeos Facilitación neuromuscular propioceptiva: diagonal escapular de elevación anterior-descenso posterior
2021
Vídeo Facilitación neuromuscular propioceptiva: diagonal escapular de elevación anterior-descenso posterior
Vídeos Facilitación neuromuscular propioceptiva: diagonal escapular de descenso anterior- elevación posterior
2021
Vídeos Facilitación neuromuscular propioceptiva: diagonal escapular de descenso anterior- elevación posterior
Vídeos Facilitación neuromuscular propioceptiva: diagonal miembro inferior flexión-aducción-rotación externa / extensión-abducción-rotación interna
2021
Vídeo Facilitación neuromuscular propioceptiva: diagonal miembro inferior flexión-aducción-rotación externa / extensión-abducción-rotación interna
Vídeos Facilitación neuromuscular propioceptiva: diagonal miembro inferior flexión-abducción-rotación interna / extensión-aducción-rotación externa
2021
Vídeo Facilitación neuromuscular propioceptiva: diagonal miembro inferior flexión-abducción-rotación interna / extensión-aducción-rotación externa
Vídeos Facilitación neuromuscular propioceptiva: diagonal pélvica de descenso anterior- elevación posterior
2021
Vídeo Facilitación neuromuscular propioceptiva: diagonal pélvica de descenso anterior- elevación posterior
Vídeos Facilitación neuromuscular propioceptiva: diagonal pélvica de elevación anterior-descenso posterior
2021
Vídeo de FNP de la diagonal pélvica de elevación anterior-descenso posterior
Prediction of properties of chiral compounds by molecular topology
1998
Abstract A common assumption in chemistry is that chiral behavior is associated with 3-D geometry. However, chiral information is related to symmetry, which allows the topological handling of chiral atoms by weighted graphs and the calculation of new descriptors that give a weight to the corresponding entry in the main diagonal of the topological matrix. In this study, it is demonstrated that, operating in this way, chiral topological indices are obtained that can differentiate the pharmacological activity between pairs of enantiomers. The 50% inhibitory concentration (IC50) values of the D2 dopamine receptor and the σ receptor for a group of 3-hydroxy phenyl piperidines are specifically pr…