baidut / baidut/OpenVehicleVision

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help wanted
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Description

目前问题:
为简单,仅采用图像下半部分的otsu进行提取,如果取otsu的阈值对整幅图像进行处理的话可能出现问题:
天空的干扰,天空和地面连成一片。

gt也仅采用ROI区域的

仅仅用otsu算法非常不鲁棒,需要过滤掉亮度非常高的像素,应当采用多类分割方法。

改进:仅从上面几行求解阈值
求双阈值

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