111 research outputs found
Imagine/Align
No full textImagine/Align is a site-specific, community-based art installation by Susan Skarsgard at the University of Michigan Nichols Arboretum. This project, which bloomed for the first time in April 2004, is a one-half mile long line of 20,000 yellow daffodils traversing the environment, mapping thought and inspiring contemplation on the often arbitrary nature of imposed lines and borders drawn on the earth.Documentarian: Adam Smith; Project author/artis: Susan Skarsgard; Video and Photography: Lisa Spindler, Susan Skarsgard, Theresa Rocha, John Harnois, Joseph Knapp, Wayne Morrical, Jacques Mersereau, Urmila Venkatesh; Music: Toumani Diabate, with Ballake Sissokohttp://deepblue.lib.umich.edu/bitstream/2027.42/62018/1/Imagine-Align_ASmith.mo
Study of the Principal Component Analysis Method for the Correction of Images Degraded by Turbulence
No full textThis article analyzes and discusses a well-known paper [D. Li, R.M. Mersereau and S. Simske,IEEE Letters on Geoscience and Remote Sensing, 3:4 (2007), pp. 340–344] that applies principalcomponent analysis in order to restore image sequences degraded by atmospheric turbulence.We propose a variant of this method and its ANSI C implementation. The proposed variantapplies to image sequences acquired with short as well as long exposure times. Examples ofrestored images using sequences of real atmospheric turbulence are presented. The acquisitionof a dataset of image sequences with real atmospheric turbulence is described and the datasetis made available for download
Regularization parameter estimation for iterative image restoration in a weighted Hilbert space
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