yolov5改变anchor

yolov5改变了anchor的生成方式。在yolov5中，anchor的生成是通过使用k-means算法根据数据集中目标主要分布的长宽尺度聚类出来的一组anchor。具体来说，通过对数据集中目标的边界框进行聚类，生成一组尺度和长宽比不同的anchor。聚类生成的anchor用于预测目标的位置和大小。相比于之前的yolov1到yolov4，yolov5的anchor生成方式更加自适应和有效。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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