1. An image signal processing system comprising: a low resolution image generating section configured to generate a second image based on a first image having a first resolution captured by a camera device, the second image having a second resolution lower than the first resolution; an object detection section configured to detect an object in the second image; and a position information generating section configured to generate position information representing a position of the object in a third image based on a position of the object in the second image, the third image having higher resolution than the second resolution, wherein the third image and a state of sensor input are outputted for display.