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请问下openmv最大测距多少,我2.3米测一个直径0.5米的圆,误差特别大啊
顶顶顶顶顶,顶上天
应该是你的k值没有计算准确。
如果你是颜色识别的话,需要选好阈值,保证识别时不要跳变太多。
如果你是圆形识别的话,依靠识别到的圆的大小进行k值计算即可,因为圆形的长宽是相等的。
测距不存在距离的限制,因为距离与像素数是比例关系。