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Searching for authors named "Giorgos Mountrakis" – sorted by Relevance.

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  • Image-Based Change Detection Using an Integrated Spatiotemporal Gazetteer  
  • by Giorgos Mountrakis, Georgios Mountrakis, Georgios Mountrakis — 2000
  • …of the Thesis Presented in Partial Fulfillment of the Requirements for the Degree of Master of Science (in Spatial Information Science and Engineering) August, 2000 This thesis addresses image-based change detection. Motivation was provided by the lack of algorithms that incorporate in their so…
  • Cited by 2 (1 self) – Add To MetaCart
  • Learning Similarity with Fuzzy Functions of Adaptable Complexity  
  • by Giorgos Mountrakis, Peggy Agouris — 2003 — Symp. on Spatial and Temporal Databases (SSTD), LNCS
  • …A common approach in database queries involves the multidimensional representation of objects by a set of features. These features are compared to the query representation and then combined together to produce a total similarity metric. In this paper we introduce a novel technique for similarity lea…
  • Cited by 1 (1 self) – Add To MetaCart
  • Navigating through Hierarchical Change Propagation in Spatiotemporal Queries  
  • by Giorgos Mountrakis, Peggy Agouris, Anthony Stefanidis — 2000 — Proceedings of Seventh International Workshop on Temporal Representation and Reasoning (TIME 2000), Cape Breton, Nova
  • …In spatiotemporal applications, meaningful changes vary according to object type, level of detail, and nature of application. In this paper, we introduce a dynamic classification scheme and its interaction with a spatiotemporal model, to describe change propagation in spatiotemporal queries. Our cla…
  • Cited by 2 (2 self) – Add To MetaCart
  • A Differential Spatiotemporal Model: Primitives And Operators  
  • by Giorgos Mountrakis, Peggy Agouris, Anthony Stefanidis — 2002 — Advances in Spatial Data Handling, 10th International Symposium on Spatial Data Handling
  • …In this paper we present a differential change-oriented model for the storage and communication of spatiotemporal information, focusing on the development of model primitives and operators to support the aggregation of change over time, and the propagation of change across resolution. Our investigat…
  • Cited by 3 (0 self) – Add To MetaCart
  • Multitemporal Geospatial Query Grouping Using Correlation Signatures  
  • by Giorgos Mountrakis, Peggy Agouris, Anthony Stefanidis — 2003 — Fully Refereed Conference Papers
  • …With recent advances in temporal and spatiotemporal databases, user demands are becoming more complex. As a result, simple queries are replaced by complex multitemporal query scenarios. In this paper we propose a novel image-based approach to temporally group together multidimensional geospatial que…
  • Cited by 2 (2 self) – Add To MetaCart
  • Visualization of Image Quality in Distributed Spatial Databases  
  • by Isolde Schlaisich, Giorgos Mountrakis, Peggy Agouris — 2004 — In: M.O. Altan (Editor), International Society for Photogrammetry and Remote Sensing XXth Congress
  • …Users of GIS are offered an abundance of aerial and satellite imagery in distributed spatial databases. Available datasets can cover the same area, differing only in quality attributes, such as resolution and positional accuracy. The advantage of having a bigger pool of information at hand is counte…
  • Cited by 1 (1 self) – Add To MetaCart
  • Modeling And Detecting Change In An Integrated Spatiotemporal Environment  
  • by Peggy Agouris, Kate Beard, Giorgos Mountrakis, Anthony Stefanidis — 2000 — International Archives of Photogrammetry and Remote Sensing
  • …Current geographic information systems tend to follow an inherently static approach to geospatial information management. Small amounts of information are typically synthesized into map-like application-specific data snapshots. This static approach leaves large amounts of information unused and offe…
  • Cited by 1 (1 self) – Add To MetaCart
  • Navigating through Hierarchical Change Propagation in Spatiotemporal Queries  
  • by Giorgos Mountrakis Peggy, Peggy Agouris, Anthony Stefanidis — 2000 — Proceedings of Seventh International Workshop on Temporal Representation and Reasoning (TIME 2000), Cape Breton, Nova
  • …In spatiotemporal applications, meaningful changes vary according to object type, level of detail, and nature of application. In this paper, we introduce a dynamic classification scheme and its interaction with a spatiotemporal model, to describe change propagation in spatiotemporal queries. Our cla…
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  • A Differential Spatio-temporal Model: Primitives  
  • by And Operators Giorgos, Giorgos Mountrakis, Peggy Agouris, Anthony Stefanidis — 2002 — Advances in Spatial Data Handling, 10th International Symposium on Spatial Data Handling
  • …In this paper, we present a differential change-oriented model for the storage and communication of spatio-temporal information. The focus is on the development of model primitives and operators to support the aggregation of change over time and the propagation of change across resolution. Our inves…
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  • Establishing Correlations In Multi-Dimensional Gis Databases  
  • by Peggy Agouris Giorgos, Giorgos Mountrakis, Anthony Stefanidis — 2001
  • …Modern geospatial databases are becoming increasingly complex, with multiple types of information (e.g. imagery, maps, vector data, video, and text), huge volumes of data (e.g. numerous satellite images continuously captured in the span of a mission), and distributed storage (e.g. various servers st…
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