The purpose of this research is to propose an effective color metric which can predict the perceptual image quality for Retinex method. In this paper, we first give a brief introduction of three kinds of typical single Retinex methods to improve the color reproduction. And then, we state the process for obtaining the observer rating value from the subjective evaluation experiment performed unde...

This paper examines the relationship between urbanisation and globalisation beyond the so-called global cities that have been the focus of so much contemporary urban research. The paper argues that there is a problematic polarisation in urban studies between research on ‘global’ cities and work on presumably ‘non-global’ cities. The existing geographical literature on scale, place and uneven de...

In his book Making Globalization Work, Joseph Stiglitz proposes reforms to address problems arising from the global spread of capitalism, problems that he asserts are not inherent to globalization or capitalism but are due to the way those systems have been “managed.” Conversely, postcolonial feminist theorist Chanda Talpade Mohanty’s analysis of those same systems demonstrates that capitalism ...

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despite providing robustness, high-gain observers impose a peaking phenomenon, which may cause instability, on the system states. in this paper, an adaptive saturation is proposed to attenuate the undesirable mentioned phenomenon in high-gain observers. a real-valued and differentiable sigmoid function is considered as the saturating element whose parameters (height and slope) are adaptively tu...

A function f is d-resilient if all its Fourier coefficients of degree at most d are zero, i.e. f is uncorrelated with all low-degree parities. We study the notion of approximate resilience of Boolean functions, where we say that f is α-approximately d-resilient if f is α-close to a [−1, 1]-valued d-resilient function in `1 distance. We show that approximate resilience essentially characterizes ...

Flood risk in deltaic regions is increasing due to a combination of more economic activities and an increase flooding probability [...]