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Selection: Soille:P [5 articles] 

Publications by author Soille:P.
 

A versatile data-intensive computing platform for information retrieval from big geospatial data

  
Future Generation Computer Systems, Vol. 81 (April 2018), pp. 30-40
edited by Elsevier
Keywords: big-data   cloud-computing   foss   geospatial  

Abstract

The increasing amount of free and open geospatial data of interest to major societal questions calls for the development of innovative data-intensive computing platforms for the efficient and effective extraction of information from these data. This paper proposes a versatile petabyte-scale platform based on commodity hardware and equipped with open-source software for the operating system, the distributed file system, and the task scheduler for batch processing as well as the containerization of user specific applications. Interactive visualization and processing based on ...

 

Mapping landscape corridors

  
Ecological Indicators, Vol. 7, No. 2. (April 2007), pp. 481-488, https://doi.org/10.1016/j.ecolind.2006.11.001

Abstract

Corridors are important geographic features for biological conservation and biodiversity assessment. The identification and mapping of corridors is usually based on visual interpretations of movement patterns (functional corridors) or habitat maps (structural corridors). We present a method for automated corridor mapping with morphological image processing, and demonstrate the approach with a forest map derived from satellite imagery of northern Slovakia. We show how the approach can be used to differentiate between relatively narrow (‘line’) and wide (‘strip’) structural corridors by mapping ...

 

Landscape patterns from mathematical morphology on maps with contagion

  
Landscape Ecology In Landscape Ecology, Vol. 24, No. 5. (1 May 2009), pp. 699-709, https://doi.org/10.1007/s10980-009-9344-x

Abstract

The perceived realism of simulated maps with contagion (spatial autocorrelation) has led to their use for comparing landscape pattern metrics and as habitat maps for modeling organism movement across landscapes. The objective of this study was to conduct a neutral model analysis of pattern metrics defined by morphological spatial pattern analysis (MSPA) on maps with contagion, with comparisons to phase transitions (abrupt changes) of patterns on simple random maps. Using MSPA, each focal class pixel on a neutral map was assigned ...

 

Neutral model analysis of landscape patterns from mathematical morphology

  
Landscape Ecology, Vol. 22, No. 7. (2007), pp. 1033-1043, https://doi.org/10.1007/s10980-007-9089-3

Abstract

Mathematical morphology encompasses methods for characterizing land-cover patterns in ecological research and biodiversity assessments. This paper reports a neutral model analysis of patterns in the absence of a structuring ecological process, to help set standards for comparing and interpreting patterns identified by mathematical morphology on real land-cover maps. We considered six structural classes (core, perforated, edge, connector, branch, and patch) on randomly generated binary (forest, non-forest) maps in which the percent occupancy (P) of forest varied from 1% to 99%. The ...

 

Morphological segmentation of binary patterns

  
Pattern Recognition Letters, Vol. 30, No. 4. (01 March 2009), pp. 456-459, https://doi.org/10.1016/j.patrec.2008.10.015

Abstract

This paper presents a method for segmenting binary patterns into seven mutually exclusive categories: core, islet, loop, bridge, perforation, edge, and branch. This is achieved by applying a series of morphological transformations such as erosions, geodesic dilations, reconstruction by dilation, anchored skeletonisation, etc. The proposed method depends on a single parameter only and can be used for characterising binary patterns with emphasis on connections between their parts as measured at varying analysis scales. This is illustrated on two examples related to ...

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