In this paper we enhanced poor illuminated low contrast image and sharpen the foreground part using stochastic resonance (SR). Noise generally hinders communication system. But by using SR image, performance is improved by adding noise. At an optimum noise level SNR performance become appreciable. Literally this pixel dynamics concepts adopts particle mechanics following Benzi’sbistable model. ...

Despite the widely recognized prevalence of IT security risk concerns in users’ Cloud adoption, little is understood about how Cloud providers assess IT security risks and in what ways potential disagreements among providers and potential users on the IT security risks of Cloud services affect users’ adoption intentions. Drawing on perceptual congruence research and risk perception theory, our ...

We present a cortical-based model for computing the perceptual salience of contours embedded in noisy images. It has been suggested that horizontal intra-cortical connections in primary visual cortex may modulate contrast detection thresholds and pre-attentive "pop-out". In our model, horizontal connections mediate context-dependent facilitatory and inhibitory interactions among oriented cells....

While hidden Markov modeling is still the dominant paradigm for speech recognition, in recent years there has been renewed interest in alternative, template-like approaches to acoustic modeling. Such methods sidestep usual HMM limitations as well as inherent issues with parametric statistical distributions, though typically at the expense of large amounts of memory and computing power. This pap...

objectives: this study investigates the impact of neurofeedback on perceptual-motor skills of 5 to 12 years old children with attention deficit hyperactive disorder (adhd). methods: in this clinical study, 40 children between the ages of 5-12 years, who were patients of the tavanesh clinic and diagnosed with adhd, were randomly chosen and divided into two groups of control and test. 20-neurofee...

the purpose of this study has been concretized in terms of impact of mobileadvertising on the purchase decision of the consumer and aimed to answer toresearch questions: which is the underlying structure of criteria in mobileadvertising? and which criteria are important for consumers in evaluatingmobile advertising? a sample of consumers in taiwan was surveyed and usingfuzzy judgment to determi...

the aim of this study is to find the effect of trader’s biorhythmic cycles on their perceptual decisions in tehran stock exchange. according to author’s point of view, decision making is one of the major factors of management skills, and in some cases, it is equivalent of management (simon’s point of view). also considering this fact that the knowledge of psychological factors and it’s effects ...

We present a cortical-based model for computing the perceptual salience of contours embedded in noisy images. It has been suggested (Gilbert, 1992; Field, Hayes & Hess, 1993) that horizontal intra-cortical connections in primary visual cortex may modulate contrast detection thresholds and pre-attentive “popout”. In our model, horizontal connections mediate context-dependent facilitatory and inh...

Recordings of evoked responses in three backward masking demonstrations indicated that during perceptual masking of a discrimination a residual representation of the targets remains in the nervous system. In a procedure employing two masks, recovery of target discrimination occurred but the residual response to the targets remain degraded. These results imply that target discrimination depends ...

Group decisions and even aggregation of multiple opinions lead to greater decision accuracy, a phenomenon known as collective wisdom. Little is known about the neural basis of collective wisdom and whether its benefits arise in late decision stages or in early sensory coding. Here, we use electroencephalography and multi-brain computing with twenty humans making perceptual decisions to show tha...