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Journal of Applied Remote Sensing

Modeling dynamic urban growth using hybrid cellular automata and particle swarm optimization
Author(s): Amirhosein Rabbani; Hossein Aghababaee; Mohammad A. Rajabi
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Paper Abstract

Conventional raster-based cellular automata (CA) confront many difficulties because of cell size and neighborhood sensitivity. Alternatively, vector CA-based models are very complex and difficult to implement. We present a hybrid cellular automata (HCA) model as a combination of cellular structure and vector concept. The space is still defined by a set of cells, but rasterized spatial objects are also utilized in the structure of transition rules. Particle swarm optimization (PSO) is also used to calculate the urbanization probability of cells based on their distance from the development parameters. The proposed model is applied to Landsat satellite imagery of the city of Tehran, Iran with 28.5-m spatial resolution to simulate the urban growth from 1988 to 2010. Statistical comparison of the ground truth and the simulated image using a kappa coefficient shows an accuracy of 83.42% in comparison to the 81.13% accuracy for the conventional Geo-CA model. Moreover, decreasing the spatial resolution by a factor of one-fourth has reduced the accuracy of the HCA and Geo-CA models by 1.19% and 3.04%, respectively, which shows the lower scale sensitivity of the proposed model. The HCA model is developed to have the simplicity of cellular structure together with optimum features of vector models.

Paper Details

Date Published: 4 October 2012
PDF: 11 pages
J. Appl. Rem. Sens. 6(1) 063582 doi: 10.1117/1.JRS.6.063582
Published in: Journal of Applied Remote Sensing Volume 6, Issue 1
Show Author Affiliations
Amirhosein Rabbani, Univ. of Tehran (Iran, Islamic Republic of)
Hossein Aghababaee, Univ. of Tehran (Iran, Islamic Republic of)
Mohammad A. Rajabi, Univ. of Tehran (Iran, Islamic Republic of)

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