open-mmlab/mmrotate

Difficulties detecting long-thin objects

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#384 aperta il 28 giu 2022

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Thank you so much for your contributions.

I'm trying to train model to detect architectural objects and none of the models i train seems to detect long and thin object (as illustrated in the attached image).

  • the dataset size is more than fair, it works fine on axis aligned object detection.
  • Checked and manually retraced the annotation polygons and there no issue with that

Already tried the following architectures :

  • Oriented RCNN (ResNet 18 with full sized images, R(50, 101, 152 )with the splitting pre-processing and ResNeXt101)
  • Rotated Faster RCNN (ResNet(50..152) and ResNeXt)
  • Retinatnet (ResNet101)
  • ROI Trans (R50 and R101)
  • ReDet with R50

and none of these exceeded 0.4 mAP for that specific class.

Do you have any architecture recommendation or a change in the config i can do to improve my results? Screenshot from 2022-06-28 09-20-00

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