1. An imaging system comprising: a first infrared camera configured to be mounted at a first position on a watercraft to capture first infrared images of a first field of view around at least a portion of a perimeter of the watercraft; a second infrared camera configured to be mounted at a second position on the watercraft to capture second infrared images of a second field of view around at least another portion of the perimeter of the watercraft; and a processing component configured to perform specific image processing operations on the captured first and second infrared images to detect an object in water around the perimeter of the watercraft.