Painterly rendering using human vision

Painterly rendering has been linked to computer vision, but we propose to link it to human vision because perception and painting are two processes that are interwoven. Recent progress in developing computational models allows to establish this link. We show that completely automatic rendering can be obtained by applying four image representations in the visual system: (1) colour constancy can be used to correct colours, (2) coarse background brightness in combination with colour coding in cytochrome-oxidase blobs can be used to create a background with a big brush, (3) the multi-scale line and edge representation provides a very natural way to render fi ner brush strokes, and (4) the multi-scale keypoint representation serves to create saliency maps for Focus-of-Attention, and FoA can be used to render important structures. Basic processes are described, renderings are shown, and important ideas for future research are discussed.

Image morphology: from perception to rendering

Complete image ontology can be obtained by formalising a top-down meta-language wich must address all possibilities, from global message and composition to objects and local surface properties.

Análisis cruzado de las respuestas del neoinstitucionalismo liberal y del constructivismo social aplicadas al estudio de la OTAN y sus Estados miembros

Esta monografía ayuda a responder la pregunta del porque los Estados actuan a través de organizaciones internacionales a partir de los postulados del neoliberalismo institucional de Robert Keohane y del constructivismo Social de Alexander Wendt.

The occurrence and economic impact of plasmodiophora brassicae and clubroot disease

The significance of Plasmodiophora brassicae Woronin and clubroot disease which it incites in members of the family Brassicaceae is reviewed as the focus for this special edition of the Journal of Plant Growth Regulation. This is a monographic treatment of recent research into the pathogen and disease; previous similar treatments are now well over half a century old. Vernacular nomenclature of the disease indicates that it had a well-established importance in agriculture and horticulture from at least the Middle Ages onward in Europe and probably earlier. Subsequently, the pathogen probably spread worldwide as a result of transfer on and in fodder taken by colonists as livestock feed. It is a moot point, however, whether there was much earlier spread by P. brassicae into China and subsequently Japan as Brassica rapa (Chinese cabbage and many variants) colonized those lands in archaeological time. Symptoms, worldwide distribution, and economic impact are briefly described here to provide a basis for understanding subsequent papers. Clubroot disease devastates both infected field and protected vegetable and agricultural Brassica crops. Particular importance is placed on recent reports of crop losses in tropical countries, albeit where the crops are grown in cooler altitudes, and in the Canadian prairie land canola crops. The latter is of enormous importance because this crop is the single most important and essential source of vegetable oils used in human foodstuffs and in industrial lubricants where mineral oils are inappropriate.

Plasmodiophora brassicae in its Environment

Plasmodiophora brassicae Wor. is viewed in this article from the standpoint of a highly evolved and successful organism, well fitted for the ecological niche that it occupies. Physical, chemical, and biological components of the soil environment are discussed in relation to their effects on the survival, growth, and reproduction of this microbe. It is evident that P. brassicae is well equipped by virtue of its robust resting spores for survival through many seasonal cycles. Germination is probably triggered as a result of signals initiated by root exudates. The resultant motile zoospore moves rapidly to the root hair surface and penetration and colonization follow. The short period between germination and penetration is one of greatest vulnerability for P. brassicae. In this phase survival is affected at the very least by soil texture and structure; its moisture; pH; calcium, boron, and nitrogen content; and the presence of active microbial antagonists. These factors influence the inoculum potential (sensu Garrett, 1956) and its viability and invasive capacity. There is evidence that these effects may also influence differentially the survival of some physiologic races of P. brassicae. Considering the interaction of P. brassicae with the soil environment from the perspective of its biological fitness is an unusual approach; most authors consider only the opportunities to destroy this organism. The approach adopted here is borne of several decades spent studying P. brassicae and the respect that has been engendered for it as a biological entity. This review stops at the point of penetration, although some of the implications of the environment for successful colonization are included because they form a continuum. Interactions with the molecular and biochemical cellular environment are considered in other sections in this special edition.

Exploring expatriate outcomes

This editorial article introduces this special issue of the International Journal of Human Resource Management devoted to the outcomes of expatriate assignments. We set the topic in context. We start by summarizing the traditional view on expatriate outcomes. We then argue that recent developments in the field suggest the need to build a more sophisticated and complex analysis on the topic that incorporates different perspectives (e.g. the organization, the expatriate, their co-workers and their families) and additional types of international experiences and organizations. We then present some difficulties in developing such an analysis. Specifically, using a new typology of complementary relationships among outcomes (i.e. temporal, among-group and among-outcome consistencies), we point out some complications to achieve those relationships. We conclude by introducing the papers in the special edition that all in some way aim to contribute to our understanding of expatriate outcomes.

Student researchers in the middle : using visual images to make sense of inclusive education

Using ‘visual narrative’ theoretically and practically, this paper explores issues of inclusive education, during a period of curriculum reform and renewal in Australia. In Australia, the middle years of schooling, Years 5 to 9, are well researched and known as a period when students disengage with learning and participation in schooling. Research in the middle years affirms the importance of engaging with ‘student voice’. In this special edition, we are aiming to highlight how the use of visual imagery can be a rich source of understanding, illustrating students’ self-knowledge of schooling. Methodologically we refer to our research approach as ‘visual narrative’. Other writers in this edition use the term ‘photo voice’. For researchers it is important to highlight the differing orientations that ‘visual narrative’ and ‘photo voice’ signify. The terms are not mutually exclusive but highlight differing research possibilities and emphasis. Our argument, through the use of visual narrative produced by middle years’ students, is that visual texts open out some innovative possibilities for understanding inclusive education and supporting new relationships with our research community. Such approaches are not new; however, in a field such as special education that purports to support marginalised groups, liberatory research methods are under-represented. This paper aims to open out these discussions and provide a way forwards for teachers and researchers interested in breaking apart why it is that inclusive education remains a never-ending struggle.

Healing the physical/spiritual divide through a holistic and hermeneutic approach to education

In this special edition of the journal, attention is being given to the two dimensions of spirituality and physicality. In this particular paper I argue that there is an unhelpful divide that is often assumed to exist between these two dimensions and that this divide can be transcended or healed' through a holistic and hermeneutic approach to education. Rather than give our focus to narrower concerns such as spiritual education and physical education, we ought instead to pursue education in such a way that it is understood to necessarily be inclusive of both the physical and the spiritual simultaneously. That is, our spirituality is necessarily embodied in the physical. In order to make this argument, references to holistic education shall mainly draw upon the works of Dewey and Gadamer.

Delight and revolution: literary studies, aesthetics and ideology

 A commissioned article for the special edition on the future of English as a discipline.

Who is he now? The unearthly David Bowie

The question that has led and organised this special edition on David Bowie draws provocative attention to the way his career has been narrated by the constant transformation and recasting of his star image. By asking who is he now? the edition recognises that Bowie is a chameleon figure, one who reinvents himself in and across the media and art platforms that he is found in. This process of renewal means that Bowie constantly kills himself, an artistic suicide that allows for dramatic event moments to populate his music, and for a rebirth to emerge at the same time or shortly after he expires. Bowie has killed Major Tom, Ziggy Stardust, Halloween Jack, Aladdin Sane, and the Thin White Duke to name but a few of his alter-egos. In this environment of death and resurrection, Bowie becomes a heightened, exaggerated enigma, a figure who constantly seems to be artificial or constructed and yet whose work asks us to look for his real self behind the mask – to ask the question, is this now the real Bowie that faces us? Of course, the answer is always no because Bowie is a contradictory constellation of images, stories and sounds whose star image rests on remaining an enigma, and like all stars in our midst, exists as a representation. Nonetheless, with Bowie - with this hyper- schizophrenic, confessional artist – the fan desire to get to know him, to immerse oneself in his worlds, fantasises, and projections - is particularly acute. With the unexpected release of The Next Day ((Iso/Columbia) on the 8th March 2013, the day of his 66th birthday, Bowie was resurrected again. The album and subsequent music videos drew explicitly on the question of who Bowie was and had been, creating a media frenzy around his past work, fan nostalgia for previous Bowie incarnations, and a pleasurable negotiation with his new output. In this special edition, edited by life-long Bowie fans, with contributions from die-hard Bowie aficionados, we seek to find him in the fragments and remains of what once was, and in the new enchantments of his latest work.

ECLAC Notes Nº 58

Special edition dedicated to the Thirty-second session of ECLAC (Santo Domingo, Dominican Republic,9-13 June 2008): Structural Change and Productivity Growth, 20 Years Later. Old problems, new opportunities ECLAC Presents Report on Financing for Development Op-ed by ECLAC's Executive Secretary, José Luis Machinea. New Opportunities for Latin America and the Caribbean Highlights. Public-private Alliances for Export DevelopmentIndicatorsOp-ed by ECLAC's Executive Secretary, José Luis Machinea. Latin America and theCaribbean in the New International Context Recent titles Calendar of events

Ageing and Development Newsletter No. 5

Special Edition Brasilia 2007. Society for all ages and social protection in the old age. ECLAC: The challenges of the next half-decade. Demographic transition in the region: A rapid and heterogeneous ageing process. Situation of older persons: Income, health, environments and the public responses.

O léxico do preconceito no discurso jornalístico

Pós-graduação em Letras - FCLAS