Slide 1

Slide 1 text

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

Slide 2

Slide 2 text

Objective Architecture Orfeo Toolbox mapshup Land Cover classification

Slide 3

Slide 3 text

Objective

Slide 4

Slide 4 text

From pixel... Remote sensing image

Slide 5

Slide 5 text

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

Slide 6

Slide 6 text

Architecture

Slide 7

Slide 7 text

WPS a Processing Web application

Slide 8

Slide 8 text

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

Slide 9

Slide 9 text

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

Slide 10

Slide 10 text

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

Slide 11

Slide 11 text

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

Slide 12

Slide 12 text

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)

Slide 13

Slide 13 text

Web application mapshup http://mapshup.info

Slide 14

Slide 14 text

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

Slide 15

Slide 15 text

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

Slide 16

Slide 16 text

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

Slide 17

Slide 17 text

Land cover classification

Slide 18

Slide 18 text

WPS a WPS a Web application Orfeo Toolbox mapshup

Slide 19

Slide 19 text

WPS a WPS a Web application Orfeo Toolbox mapshup

Slide 20

Slide 20 text

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

Slide 21

Slide 21 text

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

Slide 22

Slide 22 text

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

Slide 23

Slide 23 text

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

Slide 24

Slide 24 text

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

Slide 25

Slide 25 text

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

Slide 26

Slide 26 text

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

Slide 27

Slide 27 text

https://vimeo.com/63320692

Slide 28

Slide 28 text

jerome.gasperi@cnes.fr