VarifocalNet is an IoU-aware dense object detector (CVPR Oral, 2021).

文章结构概览

• 1. Motivation

  • 2. Contribution

  • 3. Method

  • • 3.1 IACS – IoU-Aware Classification Score
    • 3.2 Varifocal Loss
    • 3.3 Star-Shaped Box Feature Representation
    • 3.4 Bounding Box Refinement
    • 3.5 VarifocalNet
    • 3.6 Loss Function and Inference

  • 4. Experiments

  • • 4.1 Varifocal Loss
    • 4.2 Individual Component Contribution
    • 4.3 Comparison with State-of-the-Art
    • 4.5 Generality and Superiority of Varifocal Loss

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