A Workflow for Automated Satellite Image Processing: from Raw VHSR Data to Object-Based Spectral Information for Smallholder Agriculture

D. Stratoulias, Valentyn Tolpekin, Rolf De By, Raul Zurita-milla, V. Retsios, Wietske Bijker, Mohammad Hasan, Eric Vermote

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)
57 Downloads (Pure)

Abstract

Earth Observation has become a progressively important source of information for land use and land cover services over the past decades. At the same time, an increasing number of reconnaissance satellites have been set in orbit with ever increasing spatial, temporal, spectral, and radiometric resolutions. The available bulk of data, fostered by open access policies adopted by several agencies, is setting a new landscape in remote sensing in which timeliness and efficiency are important aspects of data processing. This study presents a fully automated workflow able to process a large collection of very high spatial resolution satellite images to produce actionable information in the application framework of smallholder farming. The workflow applies sequential image processing, extracts meaningful statistical information from agricultural parcels, and stores them in a crop spectrotemporal signature library. An important objective is to follow crop development through the season by analyzing multi-temporal and multi-sensor images. The workflow is based on free and open-source software, namely R, Python, Linux shell scripts, the Geospatial Data Abstraction Library, custom FORTRAN, C++, and the GNU Make utilities. We tested and applied this workflow on a multi-sensor image archive of over 270 VHSR WorldView-2, -3, QuickBird, GeoEye, and RapidEye images acquired over five different study areas where smallholder agriculture prevails.
Original languageEnglish
Article number1048
Number of pages20
JournalRemote sensing
Volume9
Issue number10
DOIs
Publication statusPublished - 2017

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smallholder
image processing
agriculture
sensor
crop
QuickBird
land cover
spatial resolution
shell
remote sensing
land use
software
satellite image
library

Keywords

  • ITC-ISI-JOURNAL-ARTICLE
  • ITC-GOLD

Cite this

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A Workflow for Automated Satellite Image Processing : from Raw VHSR Data to Object-Based Spectral Information for Smallholder Agriculture. / Stratoulias, D.; Tolpekin, Valentyn; De By, Rolf; Zurita-milla, Raul; Retsios, V.; Bijker, Wietske; Hasan, Mohammad; Vermote, Eric.

In: Remote sensing, Vol. 9, No. 10, 1048, 2017.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Tolpekin, Valentyn

AU - De By, Rolf

AU - Zurita-milla, Raul

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AU - Bijker, Wietske

AU - Hasan, Mohammad

AU - Vermote, Eric

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