6,912 research outputs found

    Image correlation and sampling study

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    The development of analytical approaches for solving image correlation and image sampling of multispectral data is discussed. Relevant multispectral image statistics which are applicable to image correlation and sampling are identified. The general image statistics include intensity mean, variance, amplitude histogram, power spectral density function, and autocorrelation function. The translation problem associated with digital image registration and the analytical means for comparing commonly used correlation techniques are considered. General expressions for determining the reconstruction error for specific image sampling strategies are developed

    Boys and girls come out to play: Gender differences in children\u27s play patterns

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    This paper presents findings from The Irish Neighbourhood Play Study; a national, cross-border research project which recorded childrenā€™s play patterns in Ireland during 2012. The study incorporated 1688 families across 240 communities. This study recorded the play patterns of children in Ireland aged birth-14 years. The findings of the study are discussed here in the context of gendered patterns. Particular emphasis is placed on the skill differences developed through various play choices. These differences are explored within the context of established literature on the learning strengths of boys and girls. Established bodies of literature on childrenā€™s learning across gender lines has long been engaged in the debate about whether these differences are biological or socially constructed. This paper offers a parallel question; Are gender differences within learning, constructed through play choices within childhood? Ā©IATED (2017). Reproduced in Research Online with permission

    The age of imagination: imagining play and invention: implications for creative development

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    This paper presents findings from The Irish Neighbourhood Play Study; a national, cross-border research project which recorded childrenā€™s play patterns in Ireland during 2012. The study incorporated 1688 families across 240 communities. Data was established on the play choices of children aged from birth to 14 years. Multiple differentials were explored including socio-economic and geographical environments. This paper focuses on the findings within imaginary play patterns for the full cohort. As such, it presents the play patterns for imaginary play in children aged birth-14 years. The findings are discussed in the context of developmental patterns with particular emphasis on the relationship between imaginary play and the development of creativity. Creativity is a key concept within contemporary education. Its central nexus is problem solving in the face of uncertainty. Within a rapidly changing world, it is a key skill requirement for todayā€™s children as they grow towards efficacy within instability. The relationship between the development of creativity and childrenā€™s engagement with imaginary play practices are explored in this paper. Ā©IATED (2017). Reproduced in Research Online with permission

    Let\u27s get real: are today\u27s children playing with nature? Do the educational aspirations of the nature play movement emerge within children\u27s neighbourhood play?

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    The Irish Neighbourhood Play Research Project was a large scale research project which included almost 1700 participant families and 240 communities throughout Ireland. It used parental surveys and naturalistic observation to secure data on how children in modern Ireland aged 0-15 are spending their free time. An all-island approach was taken incorporating cities, towns and rural areas across a variety of socio-economic groupings. Interesting findings arose from the data relating to the choices that children are making within their free time. This paper focuses on the choices they are making within their engagement with nature and natural materials. Data on the childrenā€™s nature choices will be presented and discussed through a child development lens. The positive and negative implications for both learning and development are raised. This leads us to interesting questions about the role of nature within child development and learning. As an international nature play movement gains ground in raising awareness about the importance of nature based learning and its linkages with educational structure and pedagogy, this research into childrenā€™s nature choices is timely Ā©IATED (2016). Reproduced in Research Online with permission

    Absolute continuity and spectral concentration for slowly decaying potentials

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    We consider the spectral function Ļ(Ī¼)\rho(\mu) (Ī¼ā‰„0)(\mu \geq 0) for the Sturm-Liouville equation yā€²ā€²+(Ī»āˆ’q)y=0y^{''}+(\lambda-q)y =0 on [0,āˆž)[0,\infty) with the boundary condition y(0)=0y(0)=0 and where qq has slow decay O(xāˆ’Ī±)O(x^{-\alpha}) (a>0)(a>0) as xā†’āˆžx\to \infty. We develop our previous methods of locating spectral concentration for qq with rapid exponential decay (JCAM 81 (1997) 333-348) to deal with the new theoretical and computational complexities which arise for slow decay

    The influences of opportunity. Differences in children\u27s play choices across diverse communities in Ireland

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    This paper presents findings from The Irish Neighbourhood Play Project; a research study initiated by IT Sligo and Early Childhood Ireland in 2012. The focus of this paper is on the data section which highlights childrenā€™s play choices and opportunities across socio-economic communities. The study incorporated almost 1800 families across 240 communities. Data was collected within disadvantaged communities, middle class communities and affluent communities. Where and what children are playing was investigated. The choices children and families make within play have a direct effect on the developing brain of the young child (Acar & Torquati, 2015). This, in turn, affects school performance and engagement. Choices however, are often framed by opportunities; opportunities are framed by government policy and investment in community facilities as well as socio-cultural norms. The data from this project shows that children across socio-economic divides are engaging in dramatically different play, experiences and activities. Key differences also emerged in relation to how children in diverse communities are engaging with technology. The differences across multiple themes are startling and offer insights into the breadth of childhood experience across the Island of Ireland. Ā©IATED (2017). Reproduced in Research Online with permission
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