2003 Volume 123 Issue 12 Pages 2085-2093
We have proposed the Horizon View Camera (HVC), which is a unique system of the object detection by a single camera and has some unique features. The HVC is to put a single camera on the ground, and the optical axis of the camera is directed toward the horizon by using a mirror. We have shown its effectiveness by measuring distances to objects using the obtained images from the HVC with straight motions. In this paper, we proposed the HVC-90 that is more effective system than the previous HVC for object detection. The HVC-90 is constructed using the orthogonal optical axes of the camera and the mirror, and it can obtain two kinds of images. One is the image including only the object, and another is the image including only the ground. This system gives new features in addition to original HVC. By using them, we made it possible to the distance measurement in the case of any movements, and we show its effectiveness by some experiments.