Hail Event on 2022-06-28 in Locarno-Monti (TI), Switzerland: Drone Photogrammetry Imagery, Mask R-CNN Model and Analysis Data of Hailstones

Description

Table of contents (English)

events.zip

• annotations
  • Expert 1
    • Annotations
      • test.json
      • val.json
      • train.json
    • Images
      • Test
        • 10 tiles 600x600px with 50px overlap in each direction
      • Train (train/val)
        • 30 tiles 600x600px with 50px overlap in each direction
  • Expert 2
    • Annotations
      • test.json
      • val.json
      • train.json
    • Images
      • Test
        • 10 tiles 600x600px with 50px overlap in each direction
      • Train (train/val)
        • 30 tiles 600x600px with 50px overlap in each direction
  • Expert 3
    • Annotations
      • test.json
      • val.json
      • train.json
    • Images
      • Test
        • 10 tiles 600x600px with 50px overlap in each direction
      • Train (train/val)
        • 30 tiles 600x600px with 50px overlap in each direction
• detections
  • masked (full orthophoto)
    • Expert 1
      • pkl
    • Expert 2
      • pkl
    • Expert 3
      • pkl
  • test (test set only)
    • Expert 1
      • pkl
    • Expert 2
      • pkl
    • Expert 3
      • pkl
• Orthophoto (masked)
  • 20220628_odm-masked.png Full orthophoto with masked areas
  • 20220628_odm-masked
    • 435 tiles 600x600px generated from the orthophoto with 50px overlap in each direction
• Models
  
  • Expert 1
    • model_final.pth
    • metrics.json
    • last_checkpoint
    • event.out.fsevents
  • Expert 2
    • model_final.pth
    • metrics.json
    • last_checkpoint
    • event.out.fsevents
  • Expert 3
    • model_final.pth
    • metrics.json
    • last_checkpoint
    • event.out.fsevents

Technical info (English)

event_detection_full.nc

This contains the full HSD

dimensions:
        n = 12686 ;
variables:
        float hail_major_axis(n) ;
                hail_major_axis:description = "Hailstone major axis length in the image plane" ;
                hail_major_axis:units = "mm" ;
        float hail_minor_axis(n) ;
                hail_minor_axis:description = "Hailstone minor axis length in the image plane" ;
                hail_minor_axis:units = "mm" ;
        float hail_center_x(n) ;
                hail_center_x:description = "X-coordinate of the hailstone center pixel within the orthophoto" ;
                hail_center_x:units = "pixels" ;
        float hail_center_y(n) ;
                hail_center_y:description = "Y-coordinate of the hailstone center pixel within the orthophoto" ;
                hail_center_y:units = "pixels" ;
        string expert(n) ;
                expert:description = "The model for detecting hailstones is trained on the annotations of different experts" ;
        int64 n(n) ;
        double gsd ;
                gsd:description = "Ground Sampling Distance" ;
                gsd:units = "mm/pixel" ;

// global attributes:
                :description = "NetCDF file containing hailstone data from a thunderstorm intercepted in Locarno-Monti (Canton of Ticino, Switzerland) on 2022-06-28. The data is based on tiles created from the orthophoto 20220628_odm-masked.png" ;
                :author = "Jannis Portmann (jannis.portmann@meteoswiss.ch), Martin Lainer (martin.lainer@meteoswiss.ch)" ;

event_detection_test.nc

dimensions:
        n = 444 ;
variables:
        double detection_major_axis(n) ;
                detection_major_axis:description = "Detections major axis length in the image plane" ;
                detection_major_axis:units = "mm" ;
        double detection_minor_axis(n) ;
                detection_minor_axis:description = "Detections minor axis length in the image plane" ;
                detection_minor_axis:units = "mm" ;
        double detection_center_x(n) ;
                detection_center_x:description = "X-coordinate of the detection center pixel within the orthophoto" ;
                detection_center_x:units = "pixels" ;
        double detection_center_y(n) ;
                detection_center_y:description = "Y-coordinate of the detection center pixel within the orthophoto" ;
                detection_center_y:units = "pixels" ;
        string expert(n) ;
                expert:description = "The model for detecting hailstones is trained on the annotations of different experts" ;
        int64 n(n) ;
        double gsd ;
                gsd:description = "Ground Sampling Distance" ;
                gsd:units = "mm/pixel" ;

// global attributes:
                :description = "NetCDF file containing detection test data from a thunderstorm intercepted in Locarno-Monti (Canton of Ticino, Switzerland) on 2022-06-28. The data is based on tiles created from the orthophoto 20220628_odm-masked.png" ;
                :author = "Jannis Portmann (jannis.portmann@meteoswiss.ch), Martin Lainer (martin.lainer@meteoswiss.ch)" ;

event_annotation_test.nc

dimensions:
        n = 391 ;
variables:
        double annotation_major_axis(n) ;
                annotation_major_axis:description = "Annotation major axis length in the image plane" ;
                annotation_major_axis:units = "mm" ;
        double annotation_minor_axis(n) ;
                annotation_minor_axis:description = "Annotation minor axis length in the image plane" ;
                annotation_minor_axis:units = "mm" ;
        double annotation_center_x(n) ;
                annotation_center_x:description = "X-coordinate of the annotation center pixel within the orthophoto" ;
                annotation_center_x:units = "pixels" ;
        double annotation_center_y(n) ;
                annotation_center_y:description = "Y-coordinate of the annotation center pixel within the orthophoto" ;
                annotation_center_y:units = "pixels" ;
        string expert(n) ;
                expert:description = "Expert that created the annotation" ;
        int64 n(n) ;
        double gsd ;
                gsd:description = "Ground Sampling Distance" ;
                gsd:units = "mm/pixel" ;

// global attributes:
                :description = "NetCDF file containing annotation data from a thunderstorm intercepted in Locarno-Monti (Canton of Ticino, Switzerland) on 2022-06-28. The data is based on tiles created from the orthophoto 20220628_odm-masked.png" ;
                :author = "Jannis Portmann (jannis.portmann@meteoswiss.ch), Martin Lainer (martin.lainer@meteoswiss.ch)" ;