Understanding cloud organization

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https://www.kaggle.com/c/understanding_cloud_organization top-5% solution

Task

Identify and segment the required class of cloud organization from given satellite images.

Types of networks

• UNet with resnet backbone for segmentation
• FPN with resnet backbone for segmentation

Data

• 5-fold split
• Resize to (256, 384)
• Augmentation with hflip, vflip, shift/scale/rotate
• TTA with hflip, vflip, rotate90

Optimizer

• Adam with 1-cycle scheduler
• BCE+Dice Loss

Environment

kaggle kernel with nvidia tesla p100
nvidia apex
pytorch 1.2.0
albumentations 0.3.3
segmentation-models-pytorch 0.0.3