xy_loss的损失函数对应darknet 源码应该是　K.binary_crossentropy(true_xy - pred_xy)

zzh8829 / yolov3-tf2

YoloV3 Implemented in Tensorflow 2.0

MIT License

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Open luogantt opened 3 years ago

luogantt commented 3 years ago

    xy_loss = obj_mask * box_loss_scale * \
        tf.reduce_sum(tf.square(true_xy - pred_xy), axis=-1)

ZXTFINAL commented 2 years ago

求导后的结果是一样的