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Jérôme Gasperi Web Processing Service for assisted land cover classification CEOS WGISS-35 INPE - Sao Paulo dos Campos, Brazil - May 8th, 2013

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Objective Architecture Orfeo Toolbox mapshup Land Cover classification

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Objective

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From pixel... Remote sensing image

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From pixel... Remote sensing image ...to information Land cover thematic map

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Architecture

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WPS a Processing Web application

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mapshup Web application http://mapshup.info WPS Constellation http://www.constellation-sdi.org Orfeo Toolbox Processing http://orfeo-toolbox.org

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Orfeo Toolbox Processing http://orfeo-toolbox.org

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Orfeo Toolbox Remote sensing image library Open Source Developped by the French Space Agency

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Orfeo Toolbox More than 70 high level processing chains orthorectification segmentation classification etc.

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Orfeo Toolbox More than 70 high level processing chains orthorectification segmentation classification etc. Supervised learning (land cover is computed from a set of "well known areas" given by user) Based on SVM (http://en.wikipedia.org/wiki/Support_vector_machine)

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Web application mapshup http://mapshup.info

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mapshup Improves access to geospatial data HTML + javascript Based on OpenLayers and jQuery

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mapshup Supported data sources WMS WFS CSW WPS OpenSearch etc. Flickr Youtube GeoRSS KML Wikipedia Google maps Bing maps OpenStreetMap MapBox WMTS

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mapshup Supported data sources See WPS demo https://vimeo.com/57101606 WMS WFS CSW WPS OpenSearch etc. Flickr Youtube GeoRSS KML Wikipedia Google maps Bing maps OpenStreetMap MapBox WMTS

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Land cover classification

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WPS a WPS a Web application Orfeo Toolbox mapshup

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WPS a WPS a Web application Orfeo Toolbox mapshup

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WPS a WPS a Web application 1 1 - DescribeProcess request for "Classification" Orfeo Toolbox mapshup

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WPS a WPS a Web application 1 1 - DescribeProcess request for "Classification" Orfeo Toolbox mapshup

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WPS a WPS a Web application 1 1 - DescribeProcess request for "Classification" Classification process description 2 2 - Set up MMI from process description Orfeo Toolbox mapshup

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WPS a WPS a Web application 1 1 - DescribeProcess request for "Classification" Classification process description 2 2 - Set up MMI from process description Orfeo Toolbox mapshup

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WPS a WPS a Web application 1 1 - DescribeProcess request for "Classification" Classification process description 2 2 - Set up MMI from process description + Image Well known areas 3 3 - Execute an asynchronous "Classification" request Orfeo Toolbox mapshup

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WPS a WPS a Web application 1 1 - DescribeProcess request for "Classification" Classification process description 2 2 - Set up MMI from process description + Image Well known areas 3 3 - Execute an asynchronous "Classification" request Orfeo Toolbox mapshup

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WPS a WPS a Web application 1 1 - DescribeProcess request for "Classification" Classification process description 2 2 - Set up MMI from process description + Image Well known areas 3 3 - Execute an asynchronous "Classification" request Land Cover 4 4 - Display result retrieved as a WMS layer Orfeo Toolbox mapshup

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https://vimeo.com/63320692

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jerome.gasperi@cnes.fr