深度學習物體檢測詳解：YOLO V3

YOLO V3: An Incremental Improvement Improvements:ide 1. Objectness score：YOLO V3用logistic regression爲每個bbox預測一個objectness score。spa 假如一個bbox與ground truth的IOU比其餘bboxes的都要大，則它的objectness score爲1，即爲best

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