Accurate detection of wheat heads outdoors is a great challenge. Wheat color and shape distinctions, as well as overlaps and wind blurring in wheat photos, make it difficult to detect wheat heads. We propose a Bag of Tricks for Wheat Detection (BTWD), finding that a reasonable combination of some tricks will bring great improvement to the wheat detection results, and apply it on different networks such as YOLO v5x, YOLO v3, EfficientDet-D5, Faster R-CNN, etc. BTWD has greatly enhanced comparison with the original network without tricks. YOLO v5x with BTWD achieves 77.07% in average mAP, in comparison, only 70.78% without it on the Global Wheat Head Detection (GWHD) dataset.
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