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cfzd avatar cfzd commented on June 5, 2024

@yqytsq
这是一个非常好的问题。其实就是如何表示GT中的车道线的问题，我曾经尝试过使用参数曲线、分段函数等的表达方法，但最终还是受限于工程问题（dali需要每个batch数据等长），使用了行锚的形式表达。但我觉得行锚的使用并不会产生特别大的问题，这主要是因为GT的结果可以认为是没有误差的（相对于网络预测），所以锚上的误差放大效应在GT上可以认为影响不大，至少不会大到影响网络学习。确实可能会出现极端情况行锚无法描述的GT，但一般操作时会把这些GT给丢掉，即使丢掉少数GT还是不太影响最终结果。

from ultra-fast-lane-detection-v2.

yqytsq avatar yqytsq commented on June 5, 2024

谢谢解答

from ultra-fast-lane-detection-v2.

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