G. Sánchez

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We present a new numerical method for automatic detection and analysis of changes in lineament patterns caused by seismic and volcanic activities. The method is implemented as a series of modules: (i) normalization of the image contrast, (ii) extraction of small linear features (stripes) through convolution of the part of the image in the vicinity of each(More)
Attribute or feature selection is one of the basic strategies to improve the performances of data classification tasks, and, at the same time, to reduce the complexity of classifiers, and it is a particularly fundamental one when the number of attributes is relatively high. Its application to unsupervised classification is restricted to a limited number of(More)
This study shows that the possibility of trade in carbon sequestration services exists between utility companies and slash-and-burn farmers in the Peruvian Amazon. A contingent valuation survey was used to elicit the compensation required by farmers to supply carbon sequestration services, by switching from slash-and-burn agriculture to forest preservation(More)
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