Browsing by Author "Okujeni, Akpona"

Now showing items 1-3 of 3

2017-06-06Zeitschriftenartikel

A Novel Spectral Library Pruning Technique for Spectral Unmixing of Urban Land Cover

Degerickx, Jeroen; Okujeni, Akpona; Iordache, Marian-Daniel; Hermy, Martin; Van der Linden, Sebastian; Somers, Ben

Spectral unmixing of urban land cover relies on representative endmember libraries. For repeated mapping of multiple cities, the use of a generic spectral library, capturing the vast spectral variability of urban areas, ...
2019-10-28Zeitschriftenartikel

Brightness gradient-corrected hyperspectral image mosaics for fractional vegetation cover mapping in northern California

Jänicke, Clemens; Okujeni, Akpona; Cooper, Sam; Clark, Matthew; Hostert, Patrick; Linden, Sebastian van der

We evaluated the effectiveness of different approaches to compensate for across-track brightness gradients within a hyperspectral image mosaic comprised of multiple flight lines in the San Francisco Bay Area. We calculated ...
2014-12-15Dissertation

Quantifying urban land cover by means of machine learning and imaging spectrometer data at multiple spatial scales

Okujeni, Akpona

Das weltweite Ausmaß der Urbanisierung zählt zu den großen ökologischen Herausforderungen des 21. Jahrhunderts. Die Fernerkundung bietet die Möglichkeit das Verständnis dieses Prozesses und seiner Auswirkungen zu erweitern. ...