David Hemphill
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Articles
Votes on activity by David Hemphill-
Aircraft Detection Performance Metrics (by Size)
Performance metrics by aircraft size for Spotlight mode. (Results apply to both 25 cm and 50 cm resolution imagery.) Sizing categories derived from US FAA Aircraft Design Group Specifications S...
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Aircraft Detection Performance Metrics (by Classification)
Performance metrics by aircraft classification for Spotlight mode. Results apply to both 25 cm and 50 cm resolution imagery. Classes AP@0.25 F1 @ 0.25 Precision Recall AP@0.25 by Image F1@0.25...
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All Samples - Search Link
For convenience, the following console link will locate all available Vessel Detection Samples Console Link
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Vessel Detection Sample (Extended Stripmap): Singapore Straight | Singapore
Singapore Strait commercial anchorage area. Extended Stripmap SAR Imagery and Vessel Detection samples are available through the Capella Console (console login required). Click the link below to ac...
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Vessel Detection Sample (Spotlight): Singapore Straight | Singapore
Singapore Strait commercial anchorage area. SAR Imagery and Vessel Detection samples are available through the Capella Console (console login required). Click the link below to access the sample da...
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Vessel Detection Sample (Stripmap): Port of Santos | Brazil
Port of Santos, located in Brazil, is the largest commercial port in Latin America. SAR Imagery and Vessel Detection samples are available through the Capella Console (console login required). Clic...
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Vessel Detection Sample (Spotlight): Huludao Port | China
Huludao is a Chinese deep-water port. SAR Imagery and Vessel Detection samples are available through the Capella Console (console login required). Click the link below to access the sample data: Co...
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Aircraft Detection File Descriptions
File Content File Type Naming Structure Description Aircraft Detections (Thresholded) GeoJSON <file_name>.geojson* Primary User Product. Aircraft detections are filtered to include ...
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OpenStreetMap (OSM) Water Layer Rasterized GeoTiff Map
Usage: Capella Space uses OpenStreetMap (OSM) Water Layer to create land masks for filtering Vessel Detections over land masses. Attribution: Capella Space Land & Water Masks are a modified versio...
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Vessel Relative Sizing
Vessel Detection categorizes each vessel detection into a size range for relative comparison when counting or filtering. The following table defines the ranges for each size label. The size label d...