Jan 29, 2019
Kano, Nigeria, automated building footprint extraction using differential area profiles on the max-tree & min-tree dual scale space.
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Kano, Nigeria, automated building footprint extraction using differential area profiles on the max-tree & min-tree dual scale space.
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8th Anniversary of World View-2 for successfully providing high resolution satellite imagery to the coustomers.
Image © DigitalGlobe
SATPALDA is an ISO 9001:2008 company and a reseller of multiple satellite data products and allied services. For more information login: http://www.satpalda.com
Oil Tank Segmentation.
A simple method for segmenting oil tanks or other similar structures is presented using morphological connected attribute filters implemented on the Max-Tree data structure.
The specific example shows a cluster of three oil tanks in Denver. The image is a WorldView-2@DigitalGlobe panchromatic acquisition at a spatial resolution of 0.5 m. The method utilizes size and compactness (99%) filter criteria, and the tree structure is configured with standard connectivity and the subtractive filtering rule.
Change Detection on 8-band imagery using spectral angle maps. The result is generated using the protogenV2CDSAM task of GBDX @ DigitalGlobe.
Building footprint map of the city of Brest, France. The layer is generated using the PROTOGEN task of the Geo-spatial Big Data Platform (GBDX) @ DigitalGlobe. The input image is a WorldView-2 multi-spectral acquisition of total coverage of 15km x 16km @ 1.4m spatial resolution. The output layer has an overall accuracy of > 90% evaluated by random sample selection against reference data. The core module concludes in approximately 1min 20sec.
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WorldView-2 satellite involved in 'Debris causing event'
WorldView-2 satellite involved in ‘Debris causing event’
An artists rendering of DigitalGlobe’s WorldView satellites. WorldView-2 was involved in a “debris causing event” but is still functioning. Image Credit: DigitalGlobe
A commercial Earth observation satellite was involved in a “debris causing event” yesterday, according to the Joint Space Operations Center (JSpOC), the part of the United States Defense Department that tracks space objects. The…
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