Passive optical and electronic surveillance systems on aircraft, marine vessels, land vehicles and surveillance towers using optical and infra-red video cameras or sensors; Downloadable computer software programs for automated detection of objects within optical and infra-red video images from cameras on aircraft, marine vessels, land vehicles and surveillance towers; Data processing software, downloadable for processing surveillance video camera images to automatically detect objects to display in a graphical interface and communicate to other computer systems; Passive surveillance apparatus, electronic, namely electronic video camera surveillance and data processing computer system installations for automatically detecting objects in optical and infra-red video images; Passive optical target surveillance apparatus, namely, electronic video camera surveillance and data processing computer system installations for automatically detecting objects in optical and infra-red video images; Video surveillance apparatus, namely, electronic video camera surveillance and data processing computer system installations for automatically detecting objects in surveillance optical and infra-red video