Kraken AlgorithmsΒΆ

Following algorithms are available on SpaceKnow platform. For more information about Kraken see Kraken API documentation .

Map Type Description Raster Output Vector Output Supported Imagery Global Availability [3]
imagery Represents imagery on which the algorithms are predicted.
truecolor.png
imagery.ski
analysis.geotiff
visualization.geotiff
metadata.json







declouded- imagery imagery with all cloud pixels marked as invalid. wrunc algorithm is used to detect clouds.
truecolor.png
imagery.ski
analysis.geotiff




metadata.json






gbdx idaho-pansharpened
Yes
pl PSOrthoTile
Yes
pl PSScene4Band
Yes
ee COPERNICUS/S2
Yes
aircraft General aircraft vs. non-aircraft segmentation.
aircraft.png
segmentation.ski
analysis.geotiff
visualization.geotiff

detections.geojson
metadata.json



gbdx idaho-pansharpened
Yes
pl PSOrthoTile
No
pl PSScene4Band
No
ships General ships vs non-ships segmentation.
ships.png
segmentation.ski
analysis.geotiff
visualization.geotiff



detections.geojson
metadata.json





gbdx idaho-pansharpened
Yes
pl PSOrthoTile
Yes
pl PSScene3Band
Yes
pl PSScene4Band
Yes
wrunc
Segments imagery into 5 classes:
  • Water
  • Roads
  • Urban
  • Non-urban
  • Clouds

Each pixel is exclusively assigned to one of aforementioned classes.

water.png
roads.png
urban.png
nonurban.png
clouds.png
segmentation.ski
analysis.geotiff
visualization.geotiff

metadata.json








gbdx idaho-pansharpened
Yes
pl PSOrthoTile
Yes
pl PSScene4Band
Yes
ee COPERNICUS/S2


Yes


wrun
Segments imagery into 4 classes:
  • Water
  • Roads
  • Urban
  • Clouds

Each pixel is exclusively assigned to one of aforementioned classes.

water.png
roads.png
urban.png
nonurban.png
segmentation.ski
analysis.geotiff
visualization.geotiff

metadata.json







ee COPERNICUS/S1_GRD







No







cars Segmentation of cars and trucks.
cars.png
trucks.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json



gbdx idaho-pansharpened



Yes




containers Segmentation of cargo containers.
containers.png
segmentation.ski
analysis.geotiff
visualization.geotiff
metadata.json



gbdx idaho-pansharpened



Yes



destruction Detects ruins of houses and infrastructure in war-zones.
destruction-medium.png
destruction-heavy.png
road-destruction.png
segmentation.ski
analysis.geotiff
visualization.geotiff
metadata.json





gbdx idaho-pansharpened





No





boats Detects boats with length smaller or equal to 30 meters. Boats are also detected as ships in ships map type, i.e. boats class is a subset of ships class.
boats.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


gbdx idaho-pansharpened



Yes



solar-panels Segmentation of solar panels.
solar-panels.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


gbdx idaho-pansharpened



No



pools Segmentation of swimming pools.
pools.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


gbdx idaho-pansharpened



Yes



houses Detects houses and house constructions (medium and early phases).
houses.png
construction-medium.png
constructions-early.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json




gbdx idaho-pansharpened





No





coal Detects piles of coal.
coal.png
segmentation.ski
analysis.geotiff
visualization.geotiff
metadata.json



ee COPERNICUS/S2



No



cranes Detects individual construction cranes.
cranes.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


gbdx idaho-pansharpened



No



ips-deadwood  
ips-deadwood.png
segmentation.ski
analysis.geotiff
visualization.geotiff



metadata.json
detections.geojson





ee COPERNICUS/S2
No
pl PSOrthoTile
No
pl PSScene4Band
No
gbdx idaho-pansharpened
No
ips-baresoil  
ips-baresoil.png
segmentation.ski
analysis.geotiff
visualization.geotiff

metadata.json




ee COPERNICUS/S2
No
pl PSOrthoTile
No
pl PSScene4Band
No
lithium Detects piles of lithium.
lithium.png
segmentation.ski
analysis.geotiff
visualization.geotiff
metadata.json



ee COPERNICUS/S2



No



cows Detects clusters of cows.
cows.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


gbdx idaho-pansharpened



No



change Detects changes in a new image as compared to an old image. Internally uses output of WRUNC.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff




attention_regions.geojson
metadata.json






gbdx idaho-pansharpened
Yes
pl PSOrthoTile
Yes
pl PSScene4Band
Yes
ee COPERNICUS/S2
Yes

change-urban- roads Detects change in a new image compared to an old image on a union of urban and roads areas detected by WRUNC algorithm in both images.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff




attention_regions.geojson
metadata.json






gbdx idaho-pansharpened
Yes
pl PSOrthoTile
Yes
pl PSScene4Band
Yes
ee COPERNICUS/S2
Yes

sar-blobs Detects blobs at open water areas in a SAR (Synthetic-Aperture Radar) image.
sar-blobs.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


ee COPERNICUS/S1_GRD



No



sar-diff Detects differences in a new SAR (Synthetic-Aperture Radar) image compared to an old SAR image.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff
attention_regions.geojson
metadata.json


ee COPERNICUS/S1_GRD



No



sar-change Detects changes in a new SAR (Synthetic-Aperture Radar) image compared to an old SAR image.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff
attention_regions.geojson
metadata.json


ee COPERNICUS/S1_GRD



No



prenormalized- sar-diff Detects differences in a new SAR (Synthetic-Aperture Radar) image compared to an old SAR image.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff
attention_regions.geojson
metadata.json


ee COPERNICUS/S1_GRD



No



wrunc-change Detects differences in WRUNC outputs of a new and an old image.
water-added.png
water-removed.png
roads-added.png
roads-removed.png
urban-added.png
urban-removed.png
nonurban-added.png
nonurban-removed.png
clouds-added.png
clouds-removed.png
segmentation.ski
analysis.geotiff
visualization.geotiff
metadata.json
attention_regions.geojson











gbdx idaho-pansharpened
No
pl PSOrthoTile
No
pl PSScene4Band
No
ee COPERNICUS/S2





No






eme Detects earthmoving equipment (excavators, backhoe loaders and bulldozers). Currently works only on images from WV03_VNIR satellite.
eme.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


gbdx idaho-pansharpened



No



trees Detects clusters of trees
trees.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


gbdx idaho-pansharpened



Yes



ndvi Normalized Difference Vegetation Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff







metadata.json










gbdx idaho-pansharpened
Yes
pl PSOrthoTile
Yes
pl PSScene4Band
Yes
ee LANDSAT/LE07/C01/T1
Yes
ee LANDSAT/LC08/C01/T1
Yes
ee COPERNICUS/S2
Yes
ndvi-change- dsim Optical Change of Normalized Difference Vegetation Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff



attention_regions.geojson

metadata.json




gbdx idaho-pansharpened
Yes
pl PSOrthoTile
Yes
pl PSScene4Band
Yes
ee COPERNICUS/S2
Yes
ndbi Normalized Difference Buildup Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff

metadata.json




ee LANDSAT/LE07/C01/T1
Yes
ee LANDSAT/LC08/C01/T1
Yes
ee COPERNICUS/S2
Yes
ndmi Normalized Difference Multipurpose Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff

metadata.json




ee LANDSAT/LE07/C01/T1
Yes
ee LANDSAT/LC08/C01/T1
Yes
ee COPERNICUS/S2
Yes
ndmi-change- dsim Optical Change of Normalized Difference Multipurpose Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff
attention_regions.geojson

metadata.json

ee COPERNICUS/S2



Yes



ndwi Normalized Difference Water Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff

metadata.json




ee LANDSAT/LE07/C01/T1
Yes
ee LANDSAT/LC08/C01/T1
Yes
ee COPERNICUS/S2
Yes
evi Enhanced Vegetation Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff

metadata.json




ee LANDSAT/LE07/C01/T1
Yes
ee LANDSAT/LC08/C01/T1
Yes
ee COPERNICUS/S2
Yes
savi Soil Adjusted Vegetation Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff

metadata.json




ee LANDSAT/LE07/C01/T1
Yes
ee LANDSAT/LC08/C01/T1
Yes
ee COPERNICUS/S2
Yes
msavi2 Modified Soil Adjusted Vegetation Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff

metadata.json




ee LANDSAT/LE07/C01/T1
Yes
ee LANDSAT/LC08/C01/T1
Yes
ee COPERNICUS/S2
Yes
rvi Radar Vegetation Index.
heatmap.png
heatmap.ski
analysis.geotiff
visualization.geotiff
metadata.json



ee COPERNICUS/S1_GRD



Yes



weather Detects clouds and snow covered land.
clouds.png
snow.png
segmentation.ski
analysis.geotiff
visualization.geotiff
metadata.json




pl PSOrthoTile
No
pl PSScene4Band


No


nl-change- daily Detects change in night-light daily composites.
nl-change.png
nl-change.ski
analysis.geotiff
visualization.geotiff
metadata.json



noaa VIIRS/Daily



No



nl-change- monthly Detects change in night-light monthly composites.
nl-change.png
nl-change.ski
analysis.geotiff
visualization.geotiff
metadata.json



noaa VIIRS/Monthly



No



oil-pads Detects oil pads.
oil-pads.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


ee COPERNICUS/S2



No



flare-blobs Detects flare blobs.
flare-blobs.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


ee COPERNICUS/S2
No
ee LANDSAT/LC08/C01/T1

No

gas-flares Detects gas flares.
gas-flares.png
segmentation.ski
analysis.geotiff
visualization.geotiff
detections.geojson
metadata.json


ee COPERNICUS/S2



No



normalized- imagery Normalized SAR imagery.
normalized_imagery.png
imagery.ski
analysis.geotiff
visualization.geotiff
metadata.json



ee COPERNICUS/S1_GRD



Yes



polygon-stats Statistics for calculation of std over whole geometry.


polygon_stats.json

ee COPERNICUS/S1_GRD

Yes

For more information about output files, see metadata.json, detections.geojson, attention_regions.geojson and segmentation.ski. visualization.geotiff. analysis.geotiff

[1]Only images with GSD lower than 0.55.
[2](1, 2, 3) Change detection can run only between provider-datasets within supported groups: {gbdx}, {pl} and {ee}.
[3]Whether the algorithm was trained on dataset which was sampled from all over the globe.