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    David Souto

    Felice Varini 07/10/2011
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    I stumbled recently upon the work of the Swiss artist Felice Varini, whose work is mainly scattered in France (you may find one near your area by looking at his portfolio in Google maps). His art is especially interesting among the various popular variations of the trompe l'oeil. In paintings, the artist uses principally the rules of perspective to create the illusion of a three-dimensional subject in the world (as with 'Escaping criticism' by Pere Borrell del Caso), which is necessarily optimal for a particular point of view.
    Picture
    'Escaping criticism' , 1874, by Pere Borrell del Caso,
    Varini depicts often simple geometric shapes that come into a bi-dimensional 'gestalt' when viewed from a single viewpoint. Then, surfaces that in reality extend in three dimensions, are perceptually flattened, which is quite the opposite effect from what we expect of a trompe l'oeil. Because from this particular point of view the shape has no belonging to any object out there, they lie in a different layer than their medium, as if they originate in the eye of the beholder or as strangely palpable projections.
    Some of the forms are as simple as a line that runs across the four walls of a plaza, cutting the visual space in two when viewed from its center; or a simple ellipse shown below.

    Elisse rosa piena
    'Elisse rosa piena' by Nielle Torini and Felice Varini. Lugano, Switzerland.
    Some of his work takes extraordinary proportions, as in Saint-Etienne, in France, shown below. He applies the usual stencil projection technique to paint concentric circles. As a result the buildings appear to warp around the center of the composition.
    Picture
    Felice Varini, Saint Etienne, 2005.
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    Coherence of garbage 06/08/2010
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    "The job of any sensory system is to create objects in the world out of the incoming proximal stimulus energy” (Stephen Handel in Perceptual Coherence, OUP). 

    Most of  the time objects are correctly recognized without effort, however artful arrangements can reveal the fact that many solutions can arise from the same projection on the retina (the "proximal stimulus energy"). The London artists Tim Noble and Sue Webster made quite an impressive demonstration of this principle by creating a huge gap between the projection and the object that generates it (cf. image below). Even if no different from ombromanie, the art of creating images from hand shadows, it remains impressive.

    When the heap of garbage is illuminated from one side we see a couple back to back, where there should only be some accidental organization.
    At first I thought of it as a rather pessimistic version of Plato's allegory of the cave. The intention was clearly different though. The rubbish was produced by the artists consumption, who are thus doubly reflected by it.
    Picture
    Dirty White Trash by Tim Noble and Sue Webster. Exhibited in 1998.
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    Limits of perception 03/12/2010
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    In a recent paper published in Trends in Cognitive Science, Alex Holcombe reminds us that the temporal limits of perception do not allow for instance to know whether at any moment all hooves of a galloping horse raise above the ground.

    I found this hardly believable, however a painting of Gustave Courbet, exhibited at the Neue Pinakothek of Munich, indicates that this is the case. Even a careful observer - a figurative painter - can get it wrong. The painting shows a "bolting" horse with the four hooves above the ground, which apparently can never happen with the legs stretched. Courbet was a victim of the poor temporal resolution of his visual sense.
    Picture
    Gustave Courbet, Bolting Horse

    The first analysis of a galloping horse motion is due to Eadweard Muybridge, in 1877, at the end of Courbet's life. Actually it seems that he did it in part because it was a source of debate at the time (http://en.wikipedia.org/wiki/Muybridge).

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    Muybridge racing horse
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    Close up 10/27/2009
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    This website features a detail of a Chuck Close portrait. You may not have noticed at first sight that the banner is part of a face. In this kind of woodcut portraits you only see the three-dimensional shape that is represented at some distance. From too close (no play of words there) the details become inconsistent with the assumptions that the visual system makes about what should be a shadow, according to the interpretation given by Patrick Cavanagh and John M. Kennedy in Science.


    Picture
    Emma - Chuck Close
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      Cabinet of curiosities were the ancestors of the museum, as places where the idle rich exhibited objects they deemed interesting, sometimes without any systematic order. Although I could call this a "blog", "cabinet of curiosities" sounds much more respectable.

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