Porovnat metody
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| Model změny využití půdy CA-Markov× | Detekce komunit× | Objektově orientovaná analýza obrazu (OBIA)× | |
|---|---|---|---|
| Obor≠ | Prostorová analýza | Analýza sítí | Dálkový průzkum Země |
| Rodina | Process / pipeline | Process / pipeline | Process / pipeline |
| Rok vzniku≠ | 1997 | 2002–2019 (algorithm family) | 2010 |
| Tvůrce≠ | Cellular automata (Clarke) + Markov chain (Muller & Middleton) | Louvain: Blondel et al. (2008); Leiden: Traag et al. (2019); Girvan-Newman: Girvan & Newman (2002); Infomap: Rosvall & Bergstrom (2008) | Thomas Blaschke |
| Typ≠ | Spatio-temporal land-use change simulation | Graph-partitioning / clustering algorithm family | Image segmentation and classification pipeline |
| Původní zdroj≠ | Clarke, K. C., Hoppen, S., & Gaydos, L. (1997). A self-modifying cellular automaton model of historical urbanization in the San Francisco Bay area. Environment and Planning B, 24(2), 247–261. DOI ↗ | Blondel, V.D., Guillaume, J.-L., Lambiotte, R. & Lefebvre, E. (2008). Fast Unfolding of Communities in Large Networks. Journal of Statistical Mechanics, 2008(10), P10008. DOI ↗ | Blaschke, T. (2010). Object based image analysis for remote sensing. ISPRS Journal of Photogrammetry and Remote Sensing, 65(1), 2–16. DOI ↗ |
| Další názvy≠ | CA-Markov model, cellular automata Markov, land-use change simulation, CA-Markov arazi kullanımı modeli | graph clustering, network partitioning, Topluluk Tespiti (Louvain, Girvan-Newman, Leiden) | Geographic Object-Based Image Analysis, GEOBIA, Object-Oriented Image Analysis, Nesne Tabanlı Görüntü Analizi |
| Příbuzné≠ | 3 | 5 | 3 |
| Shrnutí≠ | CA-Markov is a hybrid spatio-temporal model that projects land-use and land-cover change by combining a Markov chain — which predicts how much of each class will change — with cellular automata, which decide where that change happens. Widely used for urban-growth and land-cover forecasting, it answers both the quantity and the location of change, something neither component does well alone. | Community detection is a family of graph-partitioning algorithms that discover densely connected sub-groups — communities — within a network. First formalised through the modularity measure by Girvan and Newman (2002), the field advanced rapidly with the Louvain method (Blondel et al., 2008), the Leiden refinement (Traag et al., 2019), and the information-theoretic Infomap approach. All variants answer the same question: which nodes cluster together more tightly among themselves than with the rest of the network? | Object-Based Image Analysis (OBIA) is a remote sensing image processing paradigm that groups pixels into meaningful image objects before classification, rather than analysing each pixel independently. Formally articulated and consolidated by Thomas Blaschke in his landmark 2010 ISPRS review, OBIA draws on multiresolution segmentation algorithms and combines spectral, spatial, contextual, and textural object attributes to produce semantically rich land-cover maps from high-resolution imagery. |
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