David Hemphill
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Votes on activity by David Hemphill-
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...
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Tasking with Vessel Detection (Console )
Vessel detection may be requested when tasking collects by selecting the analytic as part of the tasking request. If selected, the Vessel Detection product will be automatically generated with the ...
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Order Vessel Detection Products using Capella Console
Place Order for existing Vessel Detection product from archive An EXISTING Vessel Detection analytic product can be ordered through the Console UI in the same manner as any archive imagery in the C...
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Searching and Viewing Vessel Detection Products using the Capella Console
Vessel detection analytic products are available through the Capella Console search. Vessel detection products may be viewed in console along with the source imagery. The following screen shot sho...
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Tasking with Vessel Detection (API)
To include Vessel Detection on a tasking request, submit using the /task API endpoint with a payload tag specifying Vessel Detection ("VS" is the product code). Details on how to make a tasking req...
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Object Detection Metrics Overview
Term Description Example Precision Precision is a measure of usefulness as it measure the rate of true positives (objects detected are actually vessels) If one out of every 4 vessels de...