Cities and towns

Fine-scale urban land cover information is important for a number of applications, including urban tree canopy mapping, green space analysis, and urban hydrologic modeling. Land cover information has traditionally been extracted from satellite or aerial images using automated image classification techniques, which classify pixels into different categories of land cover based on their spectral characteristics. However, in fine spatial resolution images (4 meters or better), the high degree of within-class spectral variability and between-class spectral similarity of many types of land cover leads to low classification accuracy when pixel-based, purely spectral classification techniques are used. Object-based classification methods, which involve segmenting an image into relatively homogeneous regions (i.e. image segments) prior to classification, have been shown to increase classification accuracy by incorporating the spectral (e.g. mean, standard deviation) and non-spectral (e.g. te xture, size, shape) information of image segments for classification. One difficulty with the object-based method, however, is that a segmentation parameter (or set of parameters), which determines the average size of segments (i.e. the segmentation scale), is difficult to choose. Some studies use one segmentation scale to segment and classify all types of land cover, while others use multiple scales due to the fact that different types of land cover typically vary in size. In this dissertation, two multi-scale object-based classification methods were developed and tested for classifying high resolution images of Deerfield Beach, FL and Houston, TX. These multi-scale methods achieved higher overall classification accuracies and Kappa coefficients than single-scale object-based classification methods.

The rapid increase of urban growth is a major issue for many regions around the world, which result in astounding loss in farmlands and increase in population densities. It important that urban growth be monitored as it will aid the local government in implementing the appropriate measures for a growing population. The city of Boca Raton, Florida, is the case study for this research. A multi-temporal analysis is done of five Landsat satellite images over a thirty year time period, 1973-2002. Textural analysis was performed on each of the images, to delineate the urban areas. Three by-products resulted from the textural analysis: time series tinted overlays, dasymetric mapping and a series of animated maps, showing the movement of growth across the landscape through time. All the resulting products of the time series analysis were used to show the magnitude and direction of growth over time.

James Ensor's depictions of Belgian cities and their inhabitants offer a derisive critique of modern urban space, and the resulting societal transformations, that developed during the nineteenth century. His illustrations of the contemporary urban societies of Brussels and Ostend generally always include images of crowds and masks, elements which represent the horror and emptiness of the modern city.

From the time of Peter the Great the dacha has fulfilled various roles in the environs of Russia's cities : in the 18th century it was the palatial mansions of the aristocratic elite outside of St. Petersburgand Moscow ; in the 19th century the dacha became a summer rental property for urbanites to escape the cramped and dirty cities ; in the Soviet dominated 20th century the dacha was organized into garden plot communities for subsistence farming. However, the privatization of land following the collapse of the Soviet Union signaled a shift in the dacha's existence. Lamp-lined streets and perfectly pruned lawns began to fill the territory beyond the belt of gray, generic apartment structures where the dacha was once king. In light of the dacha's decline, this thesis explores the origins and development of suburbanization in post-Soviet Russia and discusses its shared and dissenting characteristics with that of the West.

The history of public space in America is consistent with a pattern of privatization, rationalization, and individual escapism. From the frontier to the regulatory bureaucracy and into suburbanization and New Urbanism, we have and are witnessing the steady decline of vibrant, critical, and democratic public spheres and their replacement with a corporate and media controlled space that reflects the commodification and militarization of American culture at the hands of these corporate elites. After tracing a genealogy of the public and public space, this thesis will focus on two examples of New Urbanist design that illustrate the corporate nature of community politics: the Disney Corporation's Celebration, Florida and DreamWorks' Playa Vista, California. Discussing the ideological basis for both communities, this thesis will suggest possible lessons to be learned for the creation of a public based on an ethic of common ground made possible by organized resistance to corporate manipulation of place.