14 resultados para Photographic collage

em CentAUR: Central Archive University of Reading - UK


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This paper describes a new method for reconstructing 3D surface using a small number, e.g. 10, of 2D photographic images. The images are taken at different viewing directions by a perspective camera with full prior knowledge of the camera configurations. The reconstructed object's surface is represented a set of triangular facets. We empirically demonstrate that if the viewing directions are uniformly distributed around the object's viewing sphere, then the reconstructed 3D points optimally cluster closely on a highly curved part of the surface and are widely, spread on smooth or fat parts. The advantage of this property is that the reconstructed points along a surface or a contour generator are not undersampled or underrepresented because surfaces or contours should be sampled or represented with more densely points where their curvatures are high. The more complex the contour's shape, the greater is the number of points required, but the greater the number of points is automatically generated by the proposed method Given that the viewing directions are uniformly distributed, the number and distribution of the reconstructed points depend on the shape or the curvature of the surface regardless of the size of the surface or the size of the object.

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This paper describes a new method for reconstructing 3D surface points and a wireframe on the surface of a freeform object using a small number, e.g. 10, of 2D photographic images. The images are taken at different viewing directions by a perspective camera with full prior knowledge of the camera configurations. The reconstructed surface points are frontier points and the wireframe is a network of contour generators. Both of them are reconstructed by pairing apparent contours in the 2D images. Unlike previous works, we empirically demonstrate that if the viewing directions are uniformly distributed around the object's viewing sphere, then the reconstructed 3D points automatically cluster closely on a highly curved part of the surface and are widely spread on smooth or flat parts. The advantage of this property is that the reconstructed points along a surface or a contour generator are not under-sampled or under-represented because surfaces or contours should be sampled or represented with more densely points where their curvatures are high. The more complex the contour's shape, the greater is the number of points required, but the greater the number of points is automatically generated by the proposed method. Given that the viewing directions are uniformly distributed, the number and distribution of the reconstructed points depend on the shape or the curvature of the surface regardless of the size of the surface or the size of the object. The unique pattern of the reconstructed points and contours may be used in 31) object recognition and measurement without computationally intensive full surface reconstruction. The results are obtained from both computer-generated and real objects. (C) 2007 Elsevier B.V. All rights reserved.

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Using Azoulay's frame of the civil gaze, this chapter examines selected Second World War images, catalogued under 'interpreter' in the IWM's photographic archive, looking at representative situations in which interpreters typically operate in wartime - communicating with clandestine forces, liaising between the army and civilians, and dealing with the aftermath of war.

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Counting Her Dresses and other plays, devised by Lib Taylor, is a short, mixed-media, promenade performance based on theatre writings by Gertrude Stein. Gertrude Stein was an American writer who lived in Paris for most of her adult life and was a significant figure in the development of early twentieth century modernism. She was an artists’ patron and one of the first collectors of paintings by Picasso, Matisse, Cezanne and others. She wrote novels, short stories, poetry and criticism, as well as a number of very short ‘plays’ and opera libretti. Even though her plays are very rarely performed they have been very influential in the development of avant-garde theatre. The performance juxtaposes a soundcape of voices, live performance, an ‘exhibition’ of paintings and mediated images projected onto and across the space to evoke Stein’s sense of theatre as a place of experience and emotion, not as a place of story and action. The performance comprises five theatre fragments which have been combined in a collage that alludes to the experimental art that Stein promoted.

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The exhibition presents the full Future Trilogy which was completed in 2009. The trilogy is based on the opening of a new IKEA store in Edmonton, London in November 2005. IKEA celebrated with a twenty-four hour launch accompanied by significant price reductions on leather sofas. But when six thousand people arrived to compete for the discount a riot ensued which injured sixteen shoppers and required the store to be closed after just thirty minutes. The Future Trilogy takes this event as the starting point to speculate on a future where the popular fascination with modern designer furniture has morphed into state religions underpinned by the ideals of the early twentieth century avant-garde. The exhibition also presents their 2010 work Co-Operative Explanatory Capabilities in Organizational Design and Personnel Management which narrates a fictional story of a company that adopts highly experimental approaches to achieving worker productivity. The project investigates the place of creativity in efficiency management and the operation of bureaucratic systems in a post-industrial work environment. The Kollectiv's pseudo documentary creates a careful blend of fact and fiction through the combination of a distinctive BBC narrator's voice with imagery sourced from an online photographic archive for an early computing company. The story becomes increasingly provocative as more and more of the bizarre antics of the company employees are revealed, leading to the members of the company eventually forming a religious cult.

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This article presents findings and seeks to establish the theoretical markers that indicate the growing importance of fact-based drama in screen and theatre performance to the wider Anglophone culture. During the final decade of the twentieth century and the opening one of the twenty-first, television docudrama and documentary theatre have grown in visibility and importance in the UK, providing key responses to social, cultural and political change over the millennial period. Actors were the prime focus for the enquiry principally because so little research has been done into the special demands that fact-based performance makes on them. The main emphasis in actor training (in the UK at any rate) is, as it always has been, on preparation for fictional drama. Preparation in acting schools is also heavily geared towards stage performance. Our thesis was that performers called upon to play the roles of real people, in whatever medium, have added responsibilities both towards history and towards real individuals and their families. Actors must engage with ethical questions whether they like it or not, and we found them keenly aware of this. In the course of the research, we conducted 30 interviews with a selection of actors ranging from the experienced to the recently-trained. We also interviewed a few industry professionals and actor trainers. Once the interviews started it was clear that actors themselves made little or no distinction between how they set about their work for television and film. The essential disciplines for work in front of the camera, they told us, are the same whether the camera is electronic or photographic. Some adjustments become necessary, of course in the multi-camera TV studio. But much serious drama for the screen is made on film anyway. We found it was also the case that young actors now tend to get their first paid employment before a camera rather than on a stage. The screen-before-stage tendency, along with the fundamental re-shaping that has gone on in the British theatre since at least the early 1980s, had implications for actor training. We have also found that theatre work still tends to be most valued by actors. For all the actors we interviewed, theatre was what they liked doing best because it was there they could practice and develop their skills, there they could work most collectively towards performance, and there they could more directly experience audience feedback in the real time of the stage play. The current world of television has been especially constrained in regard to rehearsal time in comparison to theatre (and, to a lesser extent, film). This has also affected actors’ valuation of their work. Theatre is, and is not, the most important medium in which they find work. Theatre is most important spiritually and intellectually, because in theatre is collaborative, intensive, and involving; theatre is not as important in financial and career terms, because it is not as lucrative and not as visible to a large public as acting for the screen. Many actors took the view that, for all the industrial differences that do affect them and inevitably interest the academic, acting for the visible media of theatre, film and television involved fundamentally the same process with slightly different emphases.

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Based on a series of collage made from images of mega yachts, the Future Monument looks at the possibility of taking late capitalism more seriously as an ideology than it takes itself seriously. The project asks whether the private display of wealth and power represented by the yacht can be appropriated for a new language of public sculpture. The choreographed live performance of the construction of the large scale monument was scripted to a proposed capitalist manifesto and took place in a public square in Herzliya, Israel. It aimed to articulate the ideology latent in capitalism’s claims to a neutral manifestation of human nature. The Future Monument project was developed through reading seminars taking place at Goldsmiths College, as part of a research strand headed by Pil and Galia Kollectiv on irony and overidentification within the Political Currency of Art research group. This research has so far produced a series of silk screen collage prints, a sculpture commissioned by the Essex Council and a live performance commissioned by the Herzliya Biennale. However, the project is ongoing, with future outputs planned including a curated exhibition and conference in 2012, in collaboration with Matthew Poole, Programme Director of the Centre for Curatorial Studies at the University of Essex.

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Project includes: a large scale live performance and resulting performance video, at Curtain Razors, Regina Queen’s Square, Regina, 2008 Live Performance, 45 mins, incl. 1 actor, 23 extras, 2 live cameras, live video and sound mixing, stage set, video projection. Video 45 mins Video Trailer 7 mins The Extras is a video performance referencing the form of a large live film shoot. The Extras contextualises contemporary Westerns genres within an experimental live tableau. The live performance and resulting 45 mins video make reference 19th century Western Author German Karl May, the tradition of Eastern European Western, (Red Western), Uranium exploitation and entrepreneurial cultures in the Canadian Prairies. Funded by the Canada Council for the Arts, Saskatchewan Arts Board and Curtain Razors, the Extras Regina was staged and performed at Central Plaza in Regina, with a crew of 23 extras, 2 live cameras, live video and sound mixing ad video projection. It involved research in Saskatchewan film and photographic archives. The performance was edited live and mixed with video material which was shot on location, with a further group of extras at historical historical ‘Western’ locations, including Fort Qu' Appelle, 
Castle Butte and Big Muddy. It also involved a collaboration with a local theatre production company, which enacted a dramatised historical incident.

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A live work where digital and analogue media collide. This work uses the Internet as a central point of departure in that the script is taken from the Wikipedia entry for the word 'slideshow'. Words are randomly extracted and transferred onto photographic 35mm slide to be projected with analogue carousel slide projectors taking the audience into a visual wordplay, from Google to PowerPoint presentation. The sound of projectors is manipulated gradually into a clashing, confrontational, digital/analogue crescendo. 'Slideshow' investigates how information is sourced, navigated and considered in a culture of accelerating mediation. It posits the notion of a post-digital era in which we are increasingly faced with challenging questions of authenticity and authority.

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Lord Kelvin (William Thomson) made important contributions to the study of atmospheric elec- tricity during a brief but productive period from 1859–1861. By 1859 Kelvin had recognised the need for “incessant recording” of atmospheric electrical parameters, and responded by inventing both the water dropper equaliser for measuring the atmospheric potential gradient (PG), and photographic data logging. The water dropper equaliser was widely adopted internationally and is still in use today. Following theoretical consid- erations of electric field distortion by local topography, Kelvin developed a portable electrometer, using it to investigate the PG on the Scottish island of Arran. During these environmental measurements, Kelvin may have unwittingly detected atmospheric PG changes during solar activity in August / September 1859 associated with the “Carrington event”, which is interesting in the context of his later statements that solar magnetic influ- ence on the Earth was impossible. Kelvin’s atmospheric electricity work presents an early representative study in quantitative environmental physics, through the application of mathematical principles to an environmental problem, the design and construction of bespoke instrumentation for real world measurements and recognising the limitations of the original theoretical view revealed by experimental work

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Garfield produces a critique of neo-minimalist art practice by demonstrating how the artist Melanie Jackson’s Some things you are not allowed to send around the world (2003 and 2006) and the experimental film-maker Vivienne Dick’s Liberty’s booty (1980) – neither of which can be said to be about feeling ‘at home’ in the world, be it as a resident or as a nomad – examine global humanity through multi-positionality, excess and contingency, and thereby begin to articulate a new cosmopolitan relationship with the local – or, rather, with many different localities – in one and the same maximalist sweep of the work. ‘Maximalism’ in Garfield’s coinage signifies an excessive overloading (through editing, collage, and the sheer density of the range of the material) that enables the viewer to insert themselves into the narrative of the work. In the art of both Jackson and Dick Garfield detects a refusal to know or to judge the world; instead, there is an attempt to incorporate the complexities of its full range into the singular vision of the work, challenging the viewer to identify what is at stake.

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We report the synthesis and characterization of a healable, elastomeric shape recovery supramolecular polyurethane whose properties result from self-complementary π−π stacking and hydrogen bonding interactions plus phase separation. ESEM analysis and photographic images have revealed that this material can heal at 45 °C in 15 min to recover the mechanical properties of the pristine material with healing efficiencies >99%. This supramolecular polyurethane is also able to recover an applied strain of 25% within 5 min of release of the load.

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Monuments Should Not Be Trusted brings together over 30 leading artists and groups from the “golden years” of the Socialist Federal Republic of Yugoslavia - the period between the early 1960s and the mid 1980s. Over 100 artworks and artefacts illuminate the key contradictions of this single party state – built after WWII on socialist principles, yet immersed in “utopian consumerism.” This is the first time in the UK that the art of this period, which has attracted increasing attention, has been shown in the context of the social, economic and political conditions that gave rise to it. It draws on new and innovative research on this period, and features many of its most celebrated artists. The exhibition begins with the rise of consumerism, midway through President Josip Broz Tito’s 37 year presidency, and ends a few years after his death in 1980. As well as artists’ works in moving image, collage, photography, sculpture and painting, the exhibition encompasses music, TV clips and fascinating artefacts, such as gifts made by workers for President Tito’s birthday, and relay batons which were carried across the country and ceremonially presented to him.