Search for dissertations about: "Landsat"

Showing result 11 - 15 of 30 swedish dissertations containing the word Landsat.

  2. 11. Spectral signature measurements and image processing for geological remote sensing

    Author : Kjell Wester; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; naturgeografi; Physical Geography;

    Abstract : This work focuses on (i) spectral signatures of rocks and lichens, and on the use of satellite images for (ii) survey mapping of areas dominated by exposed bedrock, (iii) bedrock mapping and mineral prospecting.(i) Laboratory measurements demonstrate that a lichen cover can significantly mask the spectral reflectance of rocks. READ MORE

  4. 12. Earth satellites and air and ground-based activities

    Author : Ulf Ekblad; KTH; []
    Keywords : Remote sensing; reconnaissance; sensor; information acquisition; satellite imagery; image processing; image analysis; change detection; pixel difference; neuron network; cortex model; PCNN; ICM; entanglement; Earth observation; nuclear explosion; SPO;

    Abstract : This thesis, Earth satellites and detection of air andground based activities by Ulf Ekblad of the Physics departmentat the Royal Institute of Technology (KTH), addresses theproblem of detecting military activities in imagery. Examplesof various techniques are presented. READ MORE

  5. 13. Remote Sensing and GIS : Applications for Groundwater Potential Assessment in Eritrea

    Author : Semere Solomon; KTH; []
    Keywords : Remote sensing; Geographic Information Systems; groundwater; geomorphology; Digital elevation model; lithology; hard rock; lineament; structures; hydrogeology; Eritrea;

    Abstract : An integrated approach with remote sensing, GeographicInformation Systems (GIS) and more traditional fieldworktechniques was adopted to assess the groundwater potential inthe central highlands of Eritrea. Digitally enhanced colorcomposites and panchromatic images of Landsat TM and Spot wereinterpreted to produce thematic maps such as lithology andlineaments. READ MORE

  6. 14. Monitoring Water Availability in Northern Inland Waters from Space

    Author : Saeid Aminjafari; Fernando Jaramillo; Ian Brown; Cathleen Jones; Stockholms universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Water occurrence; Lake water level; Remote sensing; Altimetry; D-InSAR; naturgeografi; Physical Geography;

    Abstract : River deltas and lakes support biodiversity and offer crucial ecosystem services such as freshwater provision, flood control, and fishing. However, climate change and human activities have affected deltas and lakes globally, altering the services they provide. READ MORE

  7. 15. Classification of Remotely Sensed Data Utilising the Autocorrelation between Spatio-Temporal Neighbours

    Author : Ann-Marie Flygare; Sweden Umeå Umeå University Department of Mathematical Statistics; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Image classification; strong mixing; spatio-temporal model; autocorrelation model; autocorrelation estimator; robustness aspects; strong consistency; asymptotic normality; evaluation; Statistik; Statistics;

    Abstract : The subject of this thesis is methods for classifying land using satellite images, and adherent parameter estimation. A satellite image consists of a set of pixels where measurements of spectral intensities are observed. Based on these spectral intensities, each pixel is assigned a class. READ MORE