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A-Follo

AIFFEL 강남 4기 해커톤 팀 아폴로입니다.


Project

위성 영상에서 항공기, 선박, 차량 Class에 대한 위치 식별(Object Detection)


Problem Definition

FP

잘못된 객체 오인식

FN

밀집된 객체군에서 Detection 누락
주로 고해상도(큰 Size 이미지)이므로 Downsampling 과정에서 화질 저하 발생


Project

Data

  • Patch
  • Size Based Posted Filtering by GSD
  • Augmentation

Model

  • Backbone

Further investigation

  • Semantic Segmentation
  • Hyperparameter Tuning
  • Transfer Learning


Library

MMRotate GDAL Shapely Albumentation

Stack

Python QGIS

Development Envrionment

  • Data Storage : Google Cloud
  • Code Editor : Google Colab
  • GPU : K80
  • RAM : 52GB

Reference

Xian Sun et al. FAIR1M: A Benchmark Dataset for Fine-grained Object Recognition in High-Resolution Remote Sensing Imagery. ISPRS, 2022.
Yue Zhou et al. MMRotate: A Rotated Object Detection Benchmark using PyTorch. ACM MM, 2022.
Kai Chen et al. MMDetection: Open MMLab Detection Toolbox and Benchmark. arXiv preprint arXiv:1906.07155, 2019.
Jian Ding et al. Learning RoI Transformer for Oriented Object Detection in Aerial Images. CVPR, 2019.
Kaiming He et al. Deep Residual Learning for Image Recognition. IEEE, 2016.
Gui-Song Xia et al. DOTA: A Large-scale Dataset for Object Detection in Aerial Images. CVPR, 2018.
Alexander Buslaev et al. Albumentations: fast and flexible image augmentations. Information, 2020.
Ross Girshick et al. Rich feature hierarchies for accurate object detection and semantic segmentation. CVPR, 2014.
Jan Hosang et al. Learning non-maximum suppression. CVPR, 2017.
Hamid Rezatofighi et al. Generalized Intersection over Union: A Metric and A Loss for Bounding Box Regression. CVPR, 2019.


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