نتایج جستجو برای: final emergence population

تعداد نتایج: 955553  

Journal: :Agronomy Journal 2023

Abstract Timely and quality planting of soybean is important to achieve maximum yield potential. Wet spring soil conditions rain frequently shorten the time for farmers plant crops within optimal conditions. New planter technology has been introduced that enables their fields faster more precisely than with traditional planters. Large plot field studies were conducted in Indiana from 2015 2017 ...

1989

Figure 5. Evolved predicates (left column) from a chromosome in one of the populations of Figure 4. Weights (right column) are after training. Reflect DNF terms of F 6 and its complement. Figure 4. Population performance. Average over the population of the score of each chromosome's perceptron on the last 40 of 100 training trials versus number of chromosome evaluations. Curve averages over thr...

2013
Chad Crawford Logan Brooks Sandip Sen

Various computer and analytical models have been studied that analyze population dynamics of opinions of agents in societies under various assumptions of interaction restrictions and influences. Of particular interest to us are societal models based on Self-categorization Theory which addresses how agent opinions are affected based on interactions with other agents. The Bounded Confidence model...

Journal: :Remote Sensing 2017
Angela Cheng Dongmei Chen Katherine Woodstock Nicholas H. Ogden Xiaotian Wu Jianhong Wu

The number of Lyme disease cases (Lyme borreliosis) in Ontario, Canada has increased over the last decade, and that figure is projected to continue to increase. The northern limit of Lyme disease cases has also been progressing northward from the northeastern United States into southeastern Ontario. Several factors such as climate change, changes in host abundance, host and vector migration, or...

1999
Gustavo Deco Josef Zihl

The psychophysical evidence for "selective attention" originates mainly from visual search experiments. In this work, we formulate a hierarchical system of interconnected modules consisting in populations of neurons for modeling the underlying mechanisms involved in selective visual attention. We demonstrate that our neural system for visual search works across the visual field in parallel but ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2012
Zhen Wang Attila Szolnoki Matjaz Perc

While worldwide census data provide statistical evidence that firmly link the population density with several indicators of social welfare, the precise mechanisms underlying these observations are largely unknown. Here we study the impact of population density on the evolution of public cooperation in structured populations and find that the optimal density is uniquely related to the percolatio...

Journal: :Neural networks : the official journal of the International Neural Network Society 2006
Nicolas P. Rougier Julien Vitay

We present a dynamic model of attention based on the Continuum Neural Field Theory that explains attention as being an emergent property of a neural population. This model is experimentally proved to be very robust and able to track one static or moving target in the presence of very strong noise or in the presence of a lot of distractors, even more salient than the target. This attentional pro...

2014
Iñaki Gamborena Markus B. Blatz

QDT 2004 uccessful osseointegration and function have traditionally been the main goals of implant therapy. However, successful osseointegration does not automatically lead to an optimal esthetic result, and inadequate treatment planning may severely compromise the esthetic result regardless of biologic and functional integration. Exact replication of the natural dentition, maintenance of a har...

2000
Hamid Dehghani Hassan Ghassemian

An important problem in pattern recognition is the effect of limited training samples on classification performance. When the ratio of the number of training samples to the dimensionality is small, parameter estimates become highly variable, causing the deterioration of classification performance. This problem has become more prevalent in remote sensing with the emergence of a new generation of...

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