Muthukumaran
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6274300
impact-comms-update
Browse fileschanges from the NASA-IMPACT O&C team
README.md
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### Dataset Summary
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This dataset contains Harmonized Landsat-
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## Dataset Structure
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## TIFF Metadata
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Each tiff file contains a 512x512 pixel tiff file. Scenes
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## Band Order
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For scenes:
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Masks are a single band with values:
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1 = Burn scar
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0 = Not
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-1 = Missing data
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## Class Distribution
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Burn Scar - 11%
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Not
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No Data - 1%
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## Data Splits
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## Dataset Creation
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After co-locating the shapefile and HLS scene, the 512x512 chip was formed by taking a window with the burn scar in the center. Burn scars near the edges of HLS tiles are offset from center.
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Images were manually filtered for cloud cover and missing data to provide as clean a scene as possible, and burn scar presence was also manually verified.
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## Source Data
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### Dataset Summary
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This dataset contains Harmonized Landsat and Sentinel-2 imagery of burn scars and the associated masks for the years 2018-2021 over the contiguous United States. There are 804 512x512 scenes. Its primary purpose is for training geospatial machine learning models.
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## Dataset Structure
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## TIFF Metadata
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Each tiff file contains a 512x512 pixel tiff file. Scenes contain six bands, and masks have one band. For satellite scenes, each band has already been converted to reflectance.
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## Band Order
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For scenes:
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Masks are a single band with values:
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1 = Burn scar
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0 = Not burned
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-1 = Missing data
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## Class Distribution
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Burn Scar - 11%
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Not burned - 88%
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No Data - 1%
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## Data Splits
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## Dataset Creation
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After co-locating the shapefile and HLS scene, the 512x512 chip was formed by taking a window with the burn scar in the center. Burn scars near the edges of HLS tiles are offset from the center.
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Images were manually filtered for cloud cover and missing data to provide as clean a scene as possible, and burn scar presence was also manually verified.
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## Source Data
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