Browsing by Subject "Imagery"

Now showing 1 - 2 of 2
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    Ballistic Finger Imagery for Asynchronous BCI Control
    (2017-12) Suma, Daniel
    In this work a novel paradigm and algorithm are developed in order to decode ballistic finger imagery of both the left and right index fingers in real time. The novel paradigm is specifically developed for rapid decision making and high information transfer rates. This is done through a hybrid classifier as well as the use of tripolar electro-encephalography (TEEG). TEEG cortical signals are also compared with concurrently recorded traditional EEG signals (Au), as well as high density EEG signals (Ag/AgCl). Online results are shown to be stable across 10 subjects over three sessions. Spatio-temporal analysis is performed in both the sensor and electro-cortical source domain offline and additional features are derived through a combination of data-mining and neuroscientific insight to develop a robust TEEG ERP derived classifier which achieves 88.8% accuracy in a subject independent monte-carlo cross validation simulation. TEEG signals are found to have similar waveforms and spatial maps as EEG signals, but are found to be more independent with low or often negative correlations with other channels, as well as diverse covariance matrices.
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    Invisible Cities: creating atmospheres through imagery
    (2016-12-21) Hunt, Adam
    Within every physical city there are countless invisible cities that exist as perceptions of our environment. Invisible cities are atmospheric qualities that can be experienced by simplifying and removing context around the given subject and focusing on one particular quality. These atmospheres can then be developed and purified in order to breathe life into architecture all around us. Using perceptions, passages in Italo Calvino's Invisible Cities begin with objective descriptions of each city, but end with latent realizations of each place. This thesis seeks to use a similar lens to explore a variety of photographers that create architecture through imagery that includes Bernd and Hilla Becher, Andreas Gursky, Irene Kung, and Aitor Ortiz. These photographers use extensive manipulation effects in order to create a common architectural affect, a sense of monumentality de-contextualized with its surroundings. Through my travels abroad I have used photography to document additional atmospheres and have applied the comparison technique used by the Bechers, which highlights what is similar and what is different between adjacent photos. This thesis seeks to challenge the notion that plans and sections are required to create architecture, focusing instead on a series of moments, places, and atmospheres that are akin to photography.