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Browse through mission documentation and reports, and learn more about European Space Agency Earth Observation projects and opportunities.

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  • Document - Technical Note

    9 June 2021

    Document - Technical Note

    A-comparison-of-superresolution-reconstruction-methods-for-multiangle-CHRIS-Proba-images.pdf

    This paper presents the results of three superresolution methods applied to multiangular CHRIS/Proba data: three methods, namely non-uniform interpolation and de-convolution, iterative back-projection, and total variation are examined.

  • Document - General Reference

    1 Mar 2019

    Document - General Reference

    Overview of an Intelligent Sensorweb for Integrated Earth Sensing Project

    Overview of an Intelligent Sensorweb for Integrated Earth Sensing Project

  • Document - General Reference

    1 Mar 2019

    Document - General Reference

    Earth from Space - 5 Years of Proba

    ESA's Project for On-Board Autonomy (Proba) spacecraft is one of the most advanced small satellites ever flown in space. Launced on 22 October 2001 as a technology demonstrator mission in ESA's General Support Technology Programme (GSTP), it is now operated under the Earth Observation Third Party Mission scheme. This feature presents images acquired by Proba's CHRIS and HRC instruments around the world.

  • Document - Product Document

    1 Mar 2019

    Document - Product Document

    Assessment of Canopy Structure and Heterogeneity from Multi-Angular CHRIS-PROBA Data

    The spaceborne ESA-mission CHRIS-PROBA (Compact High Resolution Imaging Spectrometer-Project for On-board Autonomy) provides hyperspectral and multi-angular data of selected terrestrial targets (Barnsley et al. 2004). For vegetated surfaces, the spectral information content of CHRIS data may yield the biochemical and biophysical properties of a vegetation canopy, while the directional component may deliver additional information on its canopy structure. Here, the multi-angular CHRIS observations are investigated and related to surface structure using the parametric Rahman-Pinty-Verstraete (RPV) model. RPV parameters, in particular the Minnaert function parameter k, are able to quantify the anisotropy of surface reflectance, which in turn is sensitive to the structure and heterogeneity of the observed surface. Thus to investigate the potential of multi-angular high spatial resolution data for delivering quantitative surface structure information the retrieved values of the k parameter are compared with proxies derived from detailed LIDAR observations describing the 3-D canopy structure of the target site.

  • Document - Product Readme Note

    1 Mar 2019

    Document - Product Readme Note

    Mapping of chlorophyll and suspended particulate matter maps from CHRIS imagery of the Oostende ---

    This article analyzes an image set created by CHRIS/PROBA.

  • Document - Product Readme Note

    1 Mar 2019

    Document - Product Readme Note

    Comparing Three Canopy Reflectance Models with Hyperspectral Multi-Angular Satellite Data

    This article appeared in the International Society for Photogrammetry and Remote Sensing (ISPRS 2007. 404-407, Vol. XXXVI, part 7/C50) and in the proceedings of }10th International Symposium on Physical Measurements and Spectral Signatures in Remote Sensing} held on 12-14 March 2007 in Davos, Switzerland.

  • Document - General Reference

    1 Mar 2019

    Document - General Reference

    The PROBA-CHRIS Mission- A Low-Cost Smallsat for Hyperspectral, Multi-Angle, Observation of the ---

    This article gives a description of the CHRIS/PROBA mission.

  • Document - General Reference

    1 Mar 2019

    Document - General Reference

    The Compact High Resolution Imaging Spectrometer (CHRIS)- The Future of Hyperspectral Satellite ---

    This article gives a description of the CHRIS/PROBA system and compares it with an ocean colour satellite sensors and airborne spectrometers.

  • Document - General Reference

    1 Mar 2019

    Document - General Reference

    The PROBA Satellite Star Tracker Performance

    This article gives a description of the PROBA ASC (Advanced Stellar Compass) and its various aspects and applications.

  • Document - Proceedings

    1 Mar 2019

    Document - Proceedings

    Hyperspectral Workshop 2010

    Proceedings of the Hyperspectral Workshop 2010 held on 17-18 March 2010 in ESA-ESRIN, Frascati, Italy. This workshop was organised by the European Space Agency (ESA), the German Aerospace Center (DLR)/the German Research Center for Geosciences (GFZ) and the Italian Space Agency (ASI).

  • Document - Technical Note

    1 Mar 2019

    Document - Technical Note

    Note on CHRIS Acquisition Procedure and Image Geometry

    The aim of this document is to clarify the acquisition procedure CHRIS on-board the PROBA satellite. It provides a detailed description of the acquisition procedure and summarises the implications for the geometrical properties of the CHRIS images.

  • Document - User Guide

    1 Mar 2019

    Document - User Guide

    ESA's Earth Observation Third Party Missions - Data Access Guide

    The scope of this guide is to help users identify the various types of data that are available from the Third Party Missions, the applications that the data may be used for, and the procedures required for access - including registration, search, selection and retrieval of the data of interest.

  • Document - Proceedings

    30 Nov 2012

    Document - Proceedings

    Advances-in-Atmospheric-Science-and-Applications.pdf

    Proceedings in Advances in Atmospheric Science and Applications held in 18-22 June 2012 in Bruges, Belgium.

  • Document - General Reference

    31 May 2012

    Document - General Reference

    BIOMASS-Report-for-Mission-Selection-An-Earth-Explorer-to-observe-forest-biomass.pdf

    The objective of the BIOMASS Mission is to determine the global distribution of forest biomass by reducing the uncertainty in the calculation of carbon stock and fluxes associated with the terrestrial biosphere.

  • Document - General Reference

    31 May 2012

    Document - General Reference

    CoReH2O-Report-for-Mission-Selection-An-Earth-Explorer-to-observe-snow-and-ice.pdf

    This report describes the CoReH2O (Cold Regions Hydrology high-resolution Observatory) mission, which was selected for feasibility study in the third cycle of Earth Explorers.

  • Document - General Reference

    30 Nov 2011

    Document - General Reference

    Autonomy-in-action-Ten-years-of-Proba-1.pdf

    This is an article extracted from the ESA Bulletin Nr.148.

  • Document - General Reference

    30 Nov 2010

    Document - General Reference

    Big-year-for-small-satellite-ESAs-second-in-orbit-technology-demonstration-mission-Proba-2.pdf

    This is an article extracted from the ESA Bulletin Nr.144.

  • Document - Product Readme Note

    27 Nov 2008

    Document - Product Readme Note

    Fine-Resolution-Air-Quality-Monitoring-from-a-Small-Satellite-CHRIS-PROBA.pdf

    This paper was published in "Sensors" and demonstrates the ability of the European Space Agency's small satellite sensor CHRIS/PROBA to provide reliable AOT estimates at a spatially detailed level over Hong Kong, using a modified version of the dense dark vegetation (DDV) algorithm devised for MODIS.

  • Document - General Reference

    22 July 2008

    Document - General Reference

    Correction-of-systematic-spatial-noise-in-push-broom-hyperspectral-sensors.pdf

    We present a new technique that faces the problem of removing the spatiallycoherent noise known as vertical striping, usually found in images acquired by push-broom sensors.

  • Document - Proceedings

    1 Jan 2008

    Document - Proceedings

    Topographic mapping from small satellites- a case study of CHRIS-PROBA data

    This paper presents a study on the use of various empirical models for satellite orientation and terrain modelling using multidirectional CHRIS data, and evaluates the potential of small satellites with multidirectional viewing capabilities for topographic mapping.