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Automatically detect solar panels on satellite imagery.

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Automatic Detection of Solar Panels on High Resolution Imagery.

Involved Models

Dataset

  • Dataset are made with high-resolution satellite imagery from Nearmap (https://www.nearmap.com/au/en)
  • Labelme (https://github.com/wkentaro/labelme) is used as the tool to label the images.
  • Training dataset contains 3936 256x256 rgb images and labels which are collected from Capalaba, Springfield, New Farm, Fairfield, Sunnybank Hills in Brisbane, Australia.
  • Validation dataset contains 1344 images and labels which are collected from Springfield and Sunnybank Hills.
  • Test dataset contains 1360 images and labels which are collected from a suburb in Perth, Australia.

Trained Models

  • SegNet 0: SegNet with 5 encoders and 5 decoders (Original SegNet).
  • SegNet 1: SegNet with 4 encoders and 4 decoders.
  • SegNet 2: SegNet with 5 encoders and 5 decoders, each encoder is replaced by a ResNet block (Block with 3 convolutional layers).
  • SegNet 3: SegNet with 5 encoders and 5 decoders, each encoder is replaced by a ResNet block (Block with dynamic number of convolutional layers).
  • Fast SCNN 0: Original Fast SCNN.
  • Fast SCNN 1: Fast SCNN with the first two DSConv layers removed, modified Upsample layers.
  • Fast SCNN 2: Fast SCNN with the first two DSConv layers replaced with Conv layers, modified Upsample layers.

Evaluations

Model Name Evaluation IoU
SegNet 0 0.8047909
SegNet 1 0.8196788
SegNet 2 0.78407985
SegNet 3 0.7865806
Fast SCNN 0 0.6196553
Fast SCNN 1 0.72767824
Fast SCNN 2 0.82243156

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Automatically detect solar panels on satellite imagery.

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