Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
能直接通过特征点检测检测到物体，然后得到这个物体的距离吗？
不行。 估算距离，要知道真实的尺寸和图像里的尺寸。https://singtown.com/learn/50001/