Unlike ordinary robotic mowers and robotic cleaners, Roktrack is equipped with a camera mounted quite high. There are two reasons for this.

Higher than weeds

Due to the nature of this mower, which aims at pylons and advances toward them, it is impossible to work without seeing the pylons. The camera needs to be high-mounted to ensure visibility above the height of the weeds.

Recognition rate of object detection

In my prototypes, the higher the camera mount, the more distant objects tended to be detected by object detection. This is despite the fact that the images for the training data were taken with a low mount. In my experiments, I was able to detect objects quite far away when the camera was raised to about person's eye level, but I settled on the current height of about 50 cm due to the need for portability.